584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
1 |
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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1999.6.1
by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file |
4 |
* Copyright (C) 2008-2009 Sun Microsystems, Inc.
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
5 |
*
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6 |
* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18 |
*/
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1
by brian
clean slate |
19 |
|
2173.2.1
by Monty Taylor
Fixes incorrect usage of include |
20 |
#include <config.h> |
21 |
#include <drizzled/sql_select.h> |
|
22 |
#include <drizzled/error.h> |
|
23 |
#include <drizzled/show.h> |
|
24 |
#include <drizzled/item/cmpfunc.h> |
|
25 |
#include <drizzled/item/cache_row.h> |
|
26 |
#include <drizzled/item/type_holder.h> |
|
27 |
#include <drizzled/item/sum.h> |
|
28 |
#include <drizzled/item/copy_string.h> |
|
29 |
#include <drizzled/function/str/conv_charset.h> |
|
30 |
#include <drizzled/sql_base.h> |
|
31 |
#include <drizzled/util/convert.h> |
|
32 |
#include <drizzled/plugin/client.h> |
|
33 |
#include <drizzled/time_functions.h> |
|
34 |
#include <drizzled/field/str.h> |
|
35 |
#include <drizzled/field/num.h> |
|
36 |
#include <drizzled/field/blob.h> |
|
37 |
#include <drizzled/field/date.h> |
|
38 |
#include <drizzled/field/datetime.h> |
|
39 |
#include <drizzled/field/decimal.h> |
|
40 |
#include <drizzled/field/double.h> |
|
41 |
#include <drizzled/field/enum.h> |
|
42 |
#include <drizzled/field/epoch.h> |
|
43 |
#include <drizzled/field/int32.h> |
|
44 |
#include <drizzled/field/int64.h> |
|
45 |
#include <drizzled/field/microtime.h> |
|
46 |
#include <drizzled/field/null.h> |
|
47 |
#include <drizzled/field/real.h> |
|
48 |
#include <drizzled/field/size.h> |
|
49 |
#include <drizzled/field/time.h> |
|
50 |
#include <drizzled/field/varstring.h> |
|
2154.2.24
by Brian Aker
Merge in all changes for current_session, etc. |
51 |
#include <drizzled/current_session.h> |
2154.2.18
by Brian Aker
Merge in all changes for include files. |
52 |
#include <drizzled/session.h> |
2173.2.1
by Monty Taylor
Fixes incorrect usage of include |
53 |
#include <drizzled/internal/m_string.h> |
2198.1.2
by Olaf van der Spek
Refactor includes |
54 |
#include <drizzled/item/ref.h> |
55 |
#include <drizzled/item/subselect.h> |
|
2234.1.3
by Olaf van der Spek
Refactor includes |
56 |
#include <drizzled/sql_lex.h> |
2241.3.2
by Olaf van der Spek
Refactor Session::variables |
57 |
#include <drizzled/system_variables.h> |
584.5.1
by Monty Taylor
Removed field includes from field.h. |
58 |
|
1502.3.1
by iwamatsu at nigauri
Add cstdio include to files needing it. Fixes the build on some debian |
59 |
#include <cstdio> |
919.2.11
by Monty Taylor
Removed C99 isnan() usage, which allows us to remove the util/math.{cc,h} workarounds. Yay for standards! |
60 |
#include <math.h> |
1067.4.4
by Nathan Williams
The rest of the files in the drizzled directory were purged of the cmin macro and replace with std::min (except for the definition in globals.h and 1 usage in stacktrace.cc). |
61 |
#include <algorithm> |
1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
62 |
#include <float.h> |
1067.4.4
by Nathan Williams
The rest of the files in the drizzled directory were purged of the cmin macro and replace with std::min (except for the definition in globals.h and 1 usage in stacktrace.cc). |
63 |
|
64 |
using namespace std; |
|
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
65 |
|
2318.7.14
by Olaf van der Spek
Refactor |
66 |
namespace drizzled { |
1067.4.4
by Nathan Williams
The rest of the files in the drizzled directory were purged of the cmin macro and replace with std::min (except for the definition in globals.h and 1 usage in stacktrace.cc). |
67 |
|
1
by brian
clean slate |
68 |
const String my_null_string("NULL", 4, default_charset_info); |
69 |
||
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
70 |
bool Item::is_expensive_processor(unsigned char *) |
71 |
{
|
|
681
by Brian Aker
Style cleanup |
72 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
73 |
}
|
74 |
||
846
by Brian Aker
Removing on typedeffed class. |
75 |
void Item::fix_after_pullout(Select_Lex *, Item **) |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
76 |
{}
|
77 |
||
78 |
Field *Item::tmp_table_field(Table *) |
|
79 |
{
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|
681
by Brian Aker
Style cleanup |
80 |
return NULL; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
81 |
}
|
82 |
||
83 |
const char *Item::full_name(void) const |
|
84 |
{
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|
85 |
return name ? name : "???"; |
|
86 |
}
|
|
87 |
||
88 |
int64_t Item::val_int_endpoint(bool, bool *) |
|
89 |
{
|
|
90 |
assert(0); |
|
91 |
return 0; |
|
92 |
}
|
|
93 |
||
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
94 |
/** @todo Make this functions class dependent */
|
1
by brian
clean slate |
95 |
bool Item::val_bool() |
96 |
{
|
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
97 |
switch(result_type()) |
1
by brian
clean slate |
98 |
{
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
99 |
case INT_RESULT: |
100 |
return val_int() != 0; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
101 |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
102 |
case DECIMAL_RESULT: |
103 |
{
|
|
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
104 |
type::Decimal decimal_value; |
105 |
type::Decimal *val= val_decimal(&decimal_value); |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
106 |
if (val) |
2137.1.5
by Brian Aker
Additional decimal. |
107 |
return not val->isZero(); |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
108 |
return false; |
109 |
}
|
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
110 |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
111 |
case REAL_RESULT: |
112 |
case STRING_RESULT: |
|
113 |
return val_real() != 0.0; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
114 |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
115 |
case ROW_RESULT: |
116 |
assert(0); |
|
1996.2.1
by Brian Aker
uuid type code. |
117 |
abort(); |
1
by brian
clean slate |
118 |
}
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
119 |
|
120 |
assert(0); |
|
121 |
abort(); |
|
1
by brian
clean slate |
122 |
}
|
123 |
||
124 |
String *Item::val_string_from_real(String *str) |
|
125 |
{
|
|
126 |
double nr= val_real(); |
|
127 |
if (null_value) |
|
971.6.11
by Eric Day
Removed purecov messages. |
128 |
return NULL; |
681
by Brian Aker
Style cleanup |
129 |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
130 |
str->set_real(nr, decimals, &my_charset_bin); |
1
by brian
clean slate |
131 |
return str; |
132 |
}
|
|
133 |
||
134 |
String *Item::val_string_from_int(String *str) |
|
135 |
{
|
|
152
by Brian Aker
longlong replacement |
136 |
int64_t nr= val_int(); |
1
by brian
clean slate |
137 |
if (null_value) |
681
by Brian Aker
Style cleanup |
138 |
return NULL; |
139 |
||
1
by brian
clean slate |
140 |
str->set_int(nr, unsigned_flag, &my_charset_bin); |
141 |
return str; |
|
142 |
}
|
|
143 |
||
144 |
String *Item::val_string_from_decimal(String *str) |
|
145 |
{
|
|
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
146 |
type::Decimal dec_buf, *dec= val_decimal(&dec_buf); |
1
by brian
clean slate |
147 |
if (null_value) |
681
by Brian Aker
Style cleanup |
148 |
return NULL; |
149 |
||
2030.1.2
by Brian Aker
First pass in refactoring of the name of my_decimal. |
150 |
class_decimal_round(E_DEC_FATAL_ERROR, dec, decimals, false, &dec_buf); |
2137.1.8
by Brian Aker
Remove error type from str convert since we always want an error. |
151 |
class_decimal2string(&dec_buf, 0, str); |
1
by brian
clean slate |
152 |
return str; |
153 |
}
|
|
154 |
||
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
155 |
type::Decimal *Item::val_decimal_from_real(type::Decimal *decimal_value) |
1
by brian
clean slate |
156 |
{
|
157 |
double nr= val_real(); |
|
158 |
if (null_value) |
|
681
by Brian Aker
Style cleanup |
159 |
return NULL; |
160 |
||
2030.1.3
by Brian Aker
Second pass through function names. |
161 |
double2_class_decimal(E_DEC_FATAL_ERROR, nr, decimal_value); |
1
by brian
clean slate |
162 |
return (decimal_value); |
163 |
}
|
|
164 |
||
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
165 |
type::Decimal *Item::val_decimal_from_int(type::Decimal *decimal_value) |
1
by brian
clean slate |
166 |
{
|
152
by Brian Aker
longlong replacement |
167 |
int64_t nr= val_int(); |
1
by brian
clean slate |
168 |
if (null_value) |
681
by Brian Aker
Style cleanup |
169 |
return NULL; |
170 |
||
2030.1.3
by Brian Aker
Second pass through function names. |
171 |
int2_class_decimal(E_DEC_FATAL_ERROR, nr, unsigned_flag, decimal_value); |
1
by brian
clean slate |
172 |
return decimal_value; |
173 |
}
|
|
174 |
||
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
175 |
type::Decimal *Item::val_decimal_from_string(type::Decimal *decimal_value) |
1
by brian
clean slate |
176 |
{
|
177 |
String *res; |
|
178 |
if (!(res= val_str(&str_value))) |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
179 |
return NULL; |
1
by brian
clean slate |
180 |
|
2034.2.5
by Brian Aker
Improvement for decimal in encapsulation. |
181 |
if (decimal_value->store(E_DEC_FATAL_ERROR & ~E_DEC_BAD_NUM, |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
182 |
res->ptr(), |
183 |
res->length(), |
|
2034.2.5
by Brian Aker
Improvement for decimal in encapsulation. |
184 |
res->charset()) & E_DEC_BAD_NUM) |
1
by brian
clean slate |
185 |
{
|
2148.5.3
by Brian Aker
Remove hard coded array for numbers (this also fixes a couple of spots where |
186 |
push_warning_printf(&getSession(), |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
187 |
DRIZZLE_ERROR::WARN_LEVEL_WARN, |
1
by brian
clean slate |
188 |
ER_TRUNCATED_WRONG_VALUE, |
189 |
ER(ER_TRUNCATED_WRONG_VALUE), "DECIMAL", |
|
190 |
str_value.c_ptr()); |
|
191 |
}
|
|
192 |
return decimal_value; |
|
193 |
}
|
|
194 |
||
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
195 |
type::Decimal *Item::val_decimal_from_date(type::Decimal *decimal_value) |
1
by brian
clean slate |
196 |
{
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
197 |
assert(fixed); |
2030.1.5
by Brian Aker
Update for moving DRIZZLE_TIME to type::Time |
198 |
type::Time ltime; |
2104.2.8
by Brian Aker
Merge in reference from pointer. |
199 |
if (get_date(ltime, TIME_FUZZY_DATE)) |
1
by brian
clean slate |
200 |
{
|
2034.2.4
by Brian Aker
Further encapsulation for DECIMAL. |
201 |
decimal_value->set_zero(); |
1
by brian
clean slate |
202 |
null_value= 1; // set NULL, stop processing |
681
by Brian Aker
Style cleanup |
203 |
return NULL; |
1
by brian
clean slate |
204 |
}
|
2030.1.3
by Brian Aker
Second pass through function names. |
205 |
return date2_class_decimal(<ime, decimal_value); |
1
by brian
clean slate |
206 |
}
|
207 |
||
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
208 |
type::Decimal *Item::val_decimal_from_time(type::Decimal *decimal_value) |
1
by brian
clean slate |
209 |
{
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
210 |
assert(fixed); |
2030.1.5
by Brian Aker
Update for moving DRIZZLE_TIME to type::Time |
211 |
type::Time ltime; |
2104.2.8
by Brian Aker
Merge in reference from pointer. |
212 |
if (get_time(ltime)) |
1
by brian
clean slate |
213 |
{
|
2034.2.4
by Brian Aker
Further encapsulation for DECIMAL. |
214 |
decimal_value->set_zero(); |
681
by Brian Aker
Style cleanup |
215 |
return NULL; |
1
by brian
clean slate |
216 |
}
|
2030.1.3
by Brian Aker
Second pass through function names. |
217 |
return date2_class_decimal(<ime, decimal_value); |
1
by brian
clean slate |
218 |
}
|
219 |
||
220 |
double Item::val_real_from_decimal() |
|
221 |
{
|
|
222 |
/* Note that fix_fields may not be called for Item_avg_field items */
|
|
223 |
double result; |
|
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
224 |
type::Decimal value_buff, *dec_val= val_decimal(&value_buff); |
1
by brian
clean slate |
225 |
if (null_value) |
226 |
return 0.0; |
|
2030.1.3
by Brian Aker
Second pass through function names. |
227 |
class_decimal2double(E_DEC_FATAL_ERROR, dec_val, &result); |
1
by brian
clean slate |
228 |
return result; |
229 |
}
|
|
230 |
||
152
by Brian Aker
longlong replacement |
231 |
int64_t Item::val_int_from_decimal() |
1
by brian
clean slate |
232 |
{
|
233 |
/* Note that fix_fields may not be called for Item_avg_field items */
|
|
152
by Brian Aker
longlong replacement |
234 |
int64_t result; |
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
235 |
type::Decimal value, *dec_val= val_decimal(&value); |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
236 |
|
1
by brian
clean slate |
237 |
if (null_value) |
238 |
return 0; |
|
2034.2.1
by Brian Aker
Move class_decimal2int to a method on Decimal. |
239 |
dec_val->val_int32(E_DEC_FATAL_ERROR, unsigned_flag, &result); |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
240 |
|
1
by brian
clean slate |
241 |
return result; |
242 |
}
|
|
243 |
||
2126.3.1
by Brian Aker
Add bool int patch |
244 |
bool Item::save_time_in_field(Field *field) |
1
by brian
clean slate |
245 |
{
|
2030.1.5
by Brian Aker
Update for moving DRIZZLE_TIME to type::Time |
246 |
type::Time ltime; |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
247 |
|
2104.2.8
by Brian Aker
Merge in reference from pointer. |
248 |
if (get_time(ltime)) |
1
by brian
clean slate |
249 |
return set_field_to_null(field); |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
250 |
|
1
by brian
clean slate |
251 |
field->set_notnull(); |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
252 |
|
253 |
return field->store_time(ltime, type::DRIZZLE_TIMESTAMP_TIME); |
|
1
by brian
clean slate |
254 |
}
|
255 |
||
2126.3.1
by Brian Aker
Add bool int patch |
256 |
bool Item::save_date_in_field(Field *field) |
1
by brian
clean slate |
257 |
{
|
2030.1.5
by Brian Aker
Update for moving DRIZZLE_TIME to type::Time |
258 |
type::Time ltime; |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
259 |
|
2104.2.8
by Brian Aker
Merge in reference from pointer. |
260 |
if (get_date(ltime, TIME_FUZZY_DATE)) |
1
by brian
clean slate |
261 |
return set_field_to_null(field); |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
262 |
|
1
by brian
clean slate |
263 |
field->set_notnull(); |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
264 |
|
265 |
return field->store_time(ltime, type::DRIZZLE_TIMESTAMP_DATETIME); |
|
1
by brian
clean slate |
266 |
}
|
267 |
||
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
268 |
/**
|
269 |
* Check if the Item is null and stores the NULL or the
|
|
270 |
* result value in the field accordingly.
|
|
271 |
*/
|
|
1
by brian
clean slate |
272 |
int Item::save_str_value_in_field(Field *field, String *result) |
273 |
{
|
|
274 |
if (null_value) |
|
275 |
return set_field_to_null(field); |
|
2104.2.7
by Brian Aker
Fix store_time to take reference. |
276 |
|
1
by brian
clean slate |
277 |
field->set_notnull(); |
2104.2.7
by Brian Aker
Fix store_time to take reference. |
278 |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
279 |
return field->store(result->ptr(), result->length(), collation.collation); |
1
by brian
clean slate |
280 |
}
|
281 |
||
282 |
Item::Item(): |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
283 |
is_expensive_cache(-1), |
284 |
name(0), |
|
285 |
name_length(0), |
|
286 |
max_length(0), |
|
287 |
marker(0), |
|
288 |
decimals(0), |
|
289 |
fixed(false), |
|
290 |
maybe_null(false), |
|
291 |
null_value(false), |
|
292 |
unsigned_flag(false), |
|
293 |
with_sum_func(false), |
|
294 |
is_autogenerated_name(true), |
|
295 |
with_subselect(false), |
|
2137.1.10
by Brian Aker
Fix item so that we have session (ie, it always exists within the context so |
296 |
collation(&my_charset_bin, DERIVATION_COERCIBLE), |
297 |
_session(*current_session) |
|
1
by brian
clean slate |
298 |
{
|
299 |
cmp_context= (Item_result)-1; |
|
300 |
||
301 |
/* Put item in free list so that we can free all items at end */
|
|
2137.1.10
by Brian Aker
Fix item so that we have session (ie, it always exists within the context so |
302 |
next= getSession().free_list; |
303 |
getSession().free_list= this; |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
304 |
|
1
by brian
clean slate |
305 |
/*
|
306 |
Item constructor can be called during execution other then SQL_COM
|
|
2227.4.8
by Olaf van der Spek
Session::lex() |
307 |
command => we should check session->lex().current_select on zero (session->lex
|
1
by brian
clean slate |
308 |
can be uninitialised)
|
309 |
*/
|
|
2227.4.8
by Olaf van der Spek
Session::lex() |
310 |
if (getSession().lex().current_select) |
1
by brian
clean slate |
311 |
{
|
2227.4.8
by Olaf van der Spek
Session::lex() |
312 |
enum_parsing_place place= getSession().lex().current_select->parsing_place; |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
313 |
if (place == SELECT_LIST || place == IN_HAVING) |
2227.4.8
by Olaf van der Spek
Session::lex() |
314 |
getSession().lex().current_select->select_n_having_items++; |
1
by brian
clean slate |
315 |
}
|
316 |
}
|
|
317 |
||
520.1.22
by Brian Aker
Second pass of thd cleanup |
318 |
Item::Item(Session *session, Item *item): |
1
by brian
clean slate |
319 |
is_expensive_cache(-1), |
320 |
str_value(item->str_value), |
|
321 |
name(item->name), |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
322 |
name_length(item->name_length), |
1
by brian
clean slate |
323 |
max_length(item->max_length), |
324 |
marker(item->marker), |
|
325 |
decimals(item->decimals), |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
326 |
fixed(item->fixed), |
1
by brian
clean slate |
327 |
maybe_null(item->maybe_null), |
328 |
null_value(item->null_value), |
|
329 |
unsigned_flag(item->unsigned_flag), |
|
330 |
with_sum_func(item->with_sum_func), |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
331 |
is_autogenerated_name(item->is_autogenerated_name), |
332 |
with_subselect(item->with_subselect), |
|
1
by brian
clean slate |
333 |
collation(item->collation), |
2137.1.10
by Brian Aker
Fix item so that we have session (ie, it always exists within the context so |
334 |
cmp_context(item->cmp_context), |
335 |
_session(*session) |
|
1
by brian
clean slate |
336 |
{
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
337 |
/* Put this item in the session's free list */
|
2137.1.10
by Brian Aker
Fix item so that we have session (ie, it always exists within the context so |
338 |
next= getSession().free_list; |
339 |
getSession().free_list= this; |
|
1
by brian
clean slate |
340 |
}
|
341 |
||
1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
342 |
uint32_t Item::float_length(uint32_t decimals_par) const |
343 |
{
|
|
344 |
return decimals != NOT_FIXED_DEC ? (DBL_DIG+2+decimals_par) : DBL_DIG+8; |
|
345 |
}
|
|
346 |
||
482
by Brian Aker
Remove uint. |
347 |
uint32_t Item::decimal_precision() const |
1
by brian
clean slate |
348 |
{
|
349 |
Item_result restype= result_type(); |
|
350 |
||
351 |
if ((restype == DECIMAL_RESULT) || (restype == INT_RESULT)) |
|
2030.1.2
by Brian Aker
First pass in refactoring of the name of my_decimal. |
352 |
return min(class_decimal_length_to_precision(max_length, decimals, unsigned_flag), |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
353 |
(uint32_t) DECIMAL_MAX_PRECISION); |
1067.4.4
by Nathan Williams
The rest of the files in the drizzled directory were purged of the cmin macro and replace with std::min (except for the definition in globals.h and 1 usage in stacktrace.cc). |
354 |
return min(max_length, (uint32_t) DECIMAL_MAX_PRECISION); |
1
by brian
clean slate |
355 |
}
|
356 |
||
584.1.14
by Monty Taylor
Removed field.h from common_includes. |
357 |
int Item::decimal_int_part() const |
358 |
{
|
|
2030.1.2
by Brian Aker
First pass in refactoring of the name of my_decimal. |
359 |
return class_decimal_int_part(decimal_precision(), decimals); |
584.1.14
by Monty Taylor
Removed field.h from common_includes. |
360 |
}
|
361 |
||
2215.2.1
by Stewart Smith
remove enum_query_type which was effectively unused. It was set to one value once, compared to it once (i.e. always true) and passed around everywhere doing nothing. |
362 |
void Item::print(String *str) |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
363 |
{
|
364 |
str->append(full_name()); |
|
365 |
}
|
|
366 |
||
2215.2.1
by Stewart Smith
remove enum_query_type which was effectively unused. It was set to one value once, compared to it once (i.e. always true) and passed around everywhere doing nothing. |
367 |
void Item::print_item_w_name(String *str) |
1
by brian
clean slate |
368 |
{
|
2215.2.1
by Stewart Smith
remove enum_query_type which was effectively unused. It was set to one value once, compared to it once (i.e. always true) and passed around everywhere doing nothing. |
369 |
print(str); |
1
by brian
clean slate |
370 |
|
371 |
if (name) |
|
372 |
{
|
|
373 |
str->append(STRING_WITH_LEN(" AS ")); |
|
2318.8.1
by Olaf van der Spek
Add data_ref.h |
374 |
str->append_identifier(str_ref(name)); |
1
by brian
clean slate |
375 |
}
|
376 |
}
|
|
377 |
||
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
378 |
void Item::split_sum_func(Session *, Item **, List<Item> &) |
379 |
{}
|
|
380 |
||
1
by brian
clean slate |
381 |
void Item::cleanup() |
382 |
{
|
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
383 |
fixed= false; |
1
by brian
clean slate |
384 |
marker= 0; |
385 |
}
|
|
386 |
||
481
by Brian Aker
Remove all of uchar. |
387 |
Item* Item::transform(Item_transformer transformer, unsigned char *arg) |
1
by brian
clean slate |
388 |
{
|
389 |
return (this->*transformer)(arg); |
|
390 |
}
|
|
391 |
||
482
by Brian Aker
Remove uint. |
392 |
bool Item::check_cols(uint32_t c) |
1
by brian
clean slate |
393 |
{
|
394 |
if (c != 1) |
|
395 |
{
|
|
396 |
my_error(ER_OPERAND_COLUMNS, MYF(0), c); |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
397 |
return true; |
1
by brian
clean slate |
398 |
}
|
681
by Brian Aker
Style cleanup |
399 |
return false; |
1
by brian
clean slate |
400 |
}
|
401 |
||
2440.2.22
by Olaf van der Spek
Refactor |
402 |
void Item::set_name(const char *str, uint32_t length, const charset_info_st* cs) |
1
by brian
clean slate |
403 |
{
|
2440.2.22
by Olaf van der Spek
Refactor |
404 |
if (not length) |
1
by brian
clean slate |
405 |
{
|
2440.2.22
by Olaf van der Spek
Refactor |
406 |
if (0) // str && *str) |
407 |
std::cerr << "non-empty empty name: " << str << std::endl; |
|
1
by brian
clean slate |
408 |
/* Empty string, used by AS or internal function like last_insert_id() */
|
2440.2.22
by Olaf van der Spek
Refactor |
409 |
name= str; // should be NULL (or ""); |
1
by brian
clean slate |
410 |
name_length= 0; |
411 |
return; |
|
412 |
}
|
|
413 |
if (cs->ctype) |
|
414 |
{
|
|
482
by Brian Aker
Remove uint. |
415 |
uint32_t orig_len= length; |
2445.1.3
by Olaf van der Spek
Refactor |
416 |
while (length && not cs->isgraph(*str)) |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
417 |
{
|
418 |
/* Fix problem with yacc */
|
|
1
by brian
clean slate |
419 |
length--; |
420 |
str++; |
|
421 |
}
|
|
2440.2.22
by Olaf van der Spek
Refactor |
422 |
if (orig_len != length && not is_autogenerated_name) |
1
by brian
clean slate |
423 |
{
|
424 |
if (length == 0) |
|
2318.7.14
by Olaf van der Spek
Refactor |
425 |
push_warning_printf(&getSession(), DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_NAME_BECOMES_EMPTY, ER(ER_NAME_BECOMES_EMPTY), str + length - orig_len); |
1
by brian
clean slate |
426 |
else
|
2318.7.14
by Olaf van der Spek
Refactor |
427 |
push_warning_printf(&getSession(), DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_REMOVED_SPACES, ER(ER_REMOVED_SPACES), str + length - orig_len); |
1
by brian
clean slate |
428 |
}
|
429 |
}
|
|
2318.9.11
by Olaf van der Spek
Use sql_strdup(str_ref) |
430 |
name= memory::sql_strdup(str_ref(str, length)); |
1
by brian
clean slate |
431 |
}
|
432 |
||
575.1.2
by Monty Taylor
Changed a bunch of __attribute__((unused)) to removing the parameter name instead. |
433 |
bool Item::eq(const Item *item, bool) const |
1
by brian
clean slate |
434 |
{
|
435 |
/*
|
|
56
by brian
Next pass of true/false update. |
436 |
Note, that this is never true if item is a Item_param:
|
1
by brian
clean slate |
437 |
for all basic constants we have special checks, and Item_param's
|
438 |
type() can be only among basic constant types.
|
|
439 |
*/
|
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
440 |
return type() == item->type() && |
441 |
name && |
|
442 |
item->name && |
|
2456.1.4
by Olaf van der Spek
Refactor |
443 |
not system_charset_info->strcasecmp(name, item->name); |
1
by brian
clean slate |
444 |
}
|
445 |
||
2440.2.22
by Olaf van der Spek
Refactor |
446 |
Item *Item::safe_charset_converter(const charset_info_st* tocs) |
1
by brian
clean slate |
447 |
{
|
448 |
Item_func_conv_charset *conv= new Item_func_conv_charset(this, tocs, 1); |
|
2440.2.22
by Olaf van der Spek
Refactor |
449 |
return conv->safe ? conv : NULL; // memory leak? (conv if not conv->safe) |
1
by brian
clean slate |
450 |
}
|
451 |
||
2104.2.8
by Brian Aker
Merge in reference from pointer. |
452 |
bool Item::get_date(type::Time <ime,uint32_t fuzzydate) |
1
by brian
clean slate |
453 |
{
|
2088.8.7
by Brian Aker
Merge in goto removal. |
454 |
do
|
455 |
{
|
|
2114.5.1
by Brian Aker
Additional abstract around time (this also makes the abort_on_warnings in |
456 |
if (is_null()) |
457 |
{
|
|
458 |
break; |
|
459 |
}
|
|
460 |
else if (result_type() == STRING_RESULT) |
|
2088.8.7
by Brian Aker
Merge in goto removal. |
461 |
{
|
2148.5.3
by Brian Aker
Remove hard coded array for numbers (this also fixes a couple of spots where |
462 |
char buff[type::Time::MAX_STRING_LENGTH]; |
2440.2.22
by Olaf van der Spek
Refactor |
463 |
String tmp(buff,sizeof(buff), &my_charset_bin); |
464 |
String *res= val_str(&tmp); |
|
2440.2.23
by Olaf van der Spek
Use str_ref |
465 |
if (not res || str_to_datetime_with_warn(getSession(), *res, ltime, fuzzydate) <= type::DRIZZLE_TIMESTAMP_ERROR) |
2088.8.7
by Brian Aker
Merge in goto removal. |
466 |
{
|
467 |
break; |
|
468 |
}
|
|
469 |
}
|
|
470 |
else
|
|
471 |
{
|
|
472 |
int64_t value= val_int(); |
|
2098.3.3
by Brian Aker
Isolate out the time code/conversion. |
473 |
type::datetime_t date_value; |
2104.2.6
by Brian Aker
Enum was_cut |
474 |
|
2104.2.8
by Brian Aker
Merge in reference from pointer. |
475 |
ltime.convert(date_value, value, fuzzydate); |
2104.2.6
by Brian Aker
Enum was_cut |
476 |
|
2098.3.3
by Brian Aker
Isolate out the time code/conversion. |
477 |
if (not type::is_valid(date_value)) |
2088.8.7
by Brian Aker
Merge in goto removal. |
478 |
{
|
2440.2.22
by Olaf van der Spek
Refactor |
479 |
char buff[DECIMAL_LONGLONG_DIGITS]; |
480 |
char* end= internal::int64_t10_to_str(value, buff, -10); |
|
2440.2.23
by Olaf van der Spek
Use str_ref |
481 |
make_truncated_value_warning(getSession(), DRIZZLE_ERROR::WARN_LEVEL_WARN, str_ref(buff, (int) (end-buff)), type::DRIZZLE_TIMESTAMP_NONE, NULL); |
2088.8.7
by Brian Aker
Merge in goto removal. |
482 |
break; |
483 |
}
|
|
484 |
}
|
|
485 |
||
486 |
return false; |
|
487 |
} while (0); |
|
488 |
||
2104.2.8
by Brian Aker
Merge in reference from pointer. |
489 |
ltime.reset(); |
2088.8.7
by Brian Aker
Merge in goto removal. |
490 |
|
681
by Brian Aker
Style cleanup |
491 |
return true; |
1
by brian
clean slate |
492 |
}
|
493 |
||
2104.2.8
by Brian Aker
Merge in reference from pointer. |
494 |
bool Item::get_time(type::Time <ime) |
1
by brian
clean slate |
495 |
{
|
2148.5.3
by Brian Aker
Remove hard coded array for numbers (this also fixes a couple of spots where |
496 |
char buff[type::Time::MAX_STRING_LENGTH]; |
2440.2.23
by Olaf van der Spek
Use str_ref |
497 |
String tmp(buff,sizeof(buff),&my_charset_bin); |
498 |
String *res= val_str(&tmp); |
|
499 |
if (not res || str_to_time_with_warn(getSession(), *res, ltime)) |
|
1
by brian
clean slate |
500 |
{
|
2104.2.8
by Brian Aker
Merge in reference from pointer. |
501 |
ltime.reset(); |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
502 |
return true; |
1
by brian
clean slate |
503 |
}
|
2088.8.7
by Brian Aker
Merge in goto removal. |
504 |
|
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
505 |
return false; |
506 |
}
|
|
507 |
||
2104.2.8
by Brian Aker
Merge in reference from pointer. |
508 |
bool Item::get_date_result(type::Time <ime,uint32_t fuzzydate) |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
509 |
{
|
2104.2.8
by Brian Aker
Merge in reference from pointer. |
510 |
return get_date(ltime, fuzzydate); |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
511 |
}
|
512 |
||
513 |
bool Item::is_null() |
|
514 |
{
|
|
515 |
return false; |
|
516 |
}
|
|
517 |
||
518 |
void Item::update_null_value () |
|
519 |
{
|
|
520 |
(void) val_int(); |
|
521 |
}
|
|
522 |
||
523 |
void Item::top_level_item(void) |
|
524 |
{}
|
|
525 |
||
526 |
void Item::set_result_field(Field *) |
|
527 |
{}
|
|
528 |
||
529 |
bool Item::is_result_field(void) |
|
530 |
{
|
|
681
by Brian Aker
Style cleanup |
531 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
532 |
}
|
533 |
||
534 |
bool Item::is_bool_func(void) |
|
535 |
{
|
|
681
by Brian Aker
Style cleanup |
536 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
537 |
}
|
538 |
||
539 |
void Item::save_in_result_field(bool) |
|
540 |
{}
|
|
541 |
||
542 |
void Item::no_rows_in_result(void) |
|
543 |
{}
|
|
544 |
||
545 |
Item *Item::copy_or_same(Session *) |
|
546 |
{
|
|
547 |
return this; |
|
548 |
}
|
|
549 |
||
550 |
Item *Item::copy_andor_structure(Session *) |
|
551 |
{
|
|
552 |
return this; |
|
553 |
}
|
|
554 |
||
555 |
Item *Item::real_item(void) |
|
556 |
{
|
|
557 |
return this; |
|
558 |
}
|
|
559 |
||
779.3.10
by Monty Taylor
Turned on -Wshadow. |
560 |
const Item *Item::real_item(void) const |
561 |
{
|
|
562 |
return this; |
|
563 |
}
|
|
564 |
||
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
565 |
Item *Item::get_tmp_table_item(Session *session) |
566 |
{
|
|
567 |
return copy_or_same(session); |
|
568 |
}
|
|
569 |
||
2254
by Brian Aker
Shift CHARSET_INFO to charset_info_st |
570 |
const charset_info_st *Item::default_charset() |
1
by brian
clean slate |
571 |
{
|
748
by Brian Aker
Removal of client side collation. |
572 |
return current_session->variables.getCollation(); |
1
by brian
clean slate |
573 |
}
|
574 |
||
2254
by Brian Aker
Shift CHARSET_INFO to charset_info_st |
575 |
const charset_info_st *Item::compare_collation() |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
576 |
{
|
577 |
return NULL; |
|
578 |
}
|
|
579 |
||
580 |
bool Item::walk(Item_processor processor, bool, unsigned char *arg) |
|
581 |
{
|
|
582 |
return (this->*processor)(arg); |
|
583 |
}
|
|
584 |
||
2440.2.22
by Olaf van der Spek
Refactor |
585 |
Item* Item::compile(Item_analyzer analyzer, unsigned char **arg_p, Item_transformer transformer, unsigned char *arg_t) |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
586 |
{
|
2440.2.22
by Olaf van der Spek
Refactor |
587 |
return (this->*analyzer)(arg_p) |
588 |
? (this->*transformer)(arg_t) |
|
589 |
: NULL; |
|
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
590 |
}
|
591 |
||
592 |
void Item::traverse_cond(Cond_traverser traverser, void *arg, traverse_order) |
|
593 |
{
|
|
594 |
(*traverser)(this, arg); |
|
595 |
}
|
|
596 |
||
597 |
bool Item::remove_dependence_processor(unsigned char *) |
|
598 |
{
|
|
681
by Brian Aker
Style cleanup |
599 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
600 |
}
|
601 |
||
602 |
bool Item::collect_item_field_processor(unsigned char *) |
|
603 |
{
|
|
681
by Brian Aker
Style cleanup |
604 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
605 |
}
|
606 |
||
607 |
bool Item::find_item_in_field_list_processor(unsigned char *) |
|
608 |
{
|
|
681
by Brian Aker
Style cleanup |
609 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
610 |
}
|
611 |
||
612 |
bool Item::change_context_processor(unsigned char *) |
|
613 |
{
|
|
681
by Brian Aker
Style cleanup |
614 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
615 |
}
|
616 |
||
617 |
bool Item::register_field_in_read_map(unsigned char *) |
|
618 |
{
|
|
681
by Brian Aker
Style cleanup |
619 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
620 |
}
|
621 |
||
622 |
bool Item::subst_argument_checker(unsigned char **arg) |
|
623 |
{
|
|
624 |
if (*arg) |
|
625 |
*arg= NULL; |
|
626 |
return true; |
|
627 |
}
|
|
628 |
||
629 |
Item *Item::equal_fields_propagator(unsigned char *) |
|
630 |
{
|
|
631 |
return this; |
|
632 |
}
|
|
633 |
||
634 |
bool Item::set_no_const_sub(unsigned char *) |
|
635 |
{
|
|
636 |
return false; |
|
637 |
}
|
|
638 |
||
639 |
Item *Item::replace_equal_field(unsigned char *) |
|
640 |
{
|
|
641 |
return this; |
|
642 |
}
|
|
643 |
||
644 |
uint32_t Item::cols() |
|
645 |
{
|
|
646 |
return 1; |
|
647 |
}
|
|
648 |
||
649 |
Item* Item::element_index(uint32_t) |
|
650 |
{
|
|
651 |
return this; |
|
652 |
}
|
|
653 |
||
654 |
Item** Item::addr(uint32_t) |
|
655 |
{
|
|
681
by Brian Aker
Style cleanup |
656 |
return NULL; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
657 |
}
|
658 |
||
659 |
bool Item::null_inside() |
|
660 |
{
|
|
681
by Brian Aker
Style cleanup |
661 |
return false; |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
662 |
}
|
663 |
||
664 |
void Item::bring_value() |
|
665 |
{}
|
|
666 |
||
667 |
Item *Item::neg_transformer(Session *) |
|
668 |
{
|
|
669 |
return NULL; |
|
670 |
}
|
|
671 |
||
672 |
Item *Item::update_value_transformer(unsigned char *) |
|
673 |
{
|
|
674 |
return this; |
|
675 |
}
|
|
676 |
||
677 |
void Item::delete_self() |
|
678 |
{
|
|
679 |
cleanup(); |
|
680 |
delete this; |
|
681 |
}
|
|
682 |
||
683 |
bool Item::result_as_int64_t() |
|
684 |
{
|
|
685 |
return false; |
|
686 |
}
|
|
687 |
||
688 |
bool Item::is_expensive() |
|
689 |
{
|
|
690 |
if (is_expensive_cache < 0) |
|
2318.7.14
by Olaf van der Spek
Refactor |
691 |
is_expensive_cache= walk(&Item::is_expensive_processor, 0, NULL); |
584.4.8
by Monty Taylor
Moved stuff from item.h to item.cc |
692 |
return test(is_expensive_cache); |
693 |
}
|
|
694 |
||
1
by brian
clean slate |
695 |
/*
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
696 |
need a special class to adjust printing : references to aggregate functions
|
1
by brian
clean slate |
697 |
must not be printed as refs because the aggregate functions that are added to
|
698 |
the front of select list are not printed as well.
|
|
699 |
*/
|
|
700 |
class Item_aggregate_ref : public Item_ref |
|
701 |
{
|
|
702 |
public: |
|
703 |
Item_aggregate_ref(Name_resolution_context *context_arg, Item **item, |
|
704 |
const char *table_name_arg, const char *field_name_arg) |
|
705 |
:Item_ref(context_arg, item, table_name_arg, field_name_arg) {} |
|
706 |
||
2215.2.1
by Stewart Smith
remove enum_query_type which was effectively unused. It was set to one value once, compared to it once (i.e. always true) and passed around everywhere doing nothing. |
707 |
virtual inline void print (String *str) |
1
by brian
clean slate |
708 |
{
|
709 |
if (ref) |
|
2215.2.1
by Stewart Smith
remove enum_query_type which was effectively unused. It was set to one value once, compared to it once (i.e. always true) and passed around everywhere doing nothing. |
710 |
(*ref)->print(str); |
1
by brian
clean slate |
711 |
else
|
2215.2.1
by Stewart Smith
remove enum_query_type which was effectively unused. It was set to one value once, compared to it once (i.e. always true) and passed around everywhere doing nothing. |
712 |
Item_ident::print(str); |
1
by brian
clean slate |
713 |
}
|
714 |
};
|
|
715 |
||
584.4.9
by Monty Taylor
Renamed split_sum_func2 to split_sum_func. It's C++. |
716 |
void Item::split_sum_func(Session *session, Item **ref_pointer_array, |
717 |
List<Item> &fields, Item **ref, |
|
718 |
bool skip_registered) |
|
1
by brian
clean slate |
719 |
{
|
584.4.9
by Monty Taylor
Renamed split_sum_func2 to split_sum_func. It's C++. |
720 |
/* An item of type Item_sum is registered <=> ref_by != 0 */
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
721 |
if (type() == SUM_FUNC_ITEM && |
722 |
skip_registered && |
|
1
by brian
clean slate |
723 |
((Item_sum *) this)->ref_by) |
584.4.9
by Monty Taylor
Renamed split_sum_func2 to split_sum_func. It's C++. |
724 |
return; |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
725 |
|
1
by brian
clean slate |
726 |
if ((type() != SUM_FUNC_ITEM && with_sum_func) || |
727 |
(type() == FUNC_ITEM && |
|
728 |
(((Item_func *) this)->functype() == Item_func::ISNOTNULLTEST_FUNC || |
|
729 |
((Item_func *) this)->functype() == Item_func::TRIG_COND_FUNC))) |
|
730 |
{
|
|
731 |
/* Will split complicated items and ignore simple ones */
|
|
520.1.22
by Brian Aker
Second pass of thd cleanup |
732 |
split_sum_func(session, ref_pointer_array, fields); |
1
by brian
clean slate |
733 |
}
|
734 |
else if ((type() == SUM_FUNC_ITEM || (used_tables() & ~PARAM_TABLE_BIT)) && |
|
735 |
type() != SUBSELECT_ITEM && |
|
609
by Brian Aker
Dead class removal (more views) |
736 |
type() != REF_ITEM) |
1
by brian
clean slate |
737 |
{
|
738 |
/*
|
|
739 |
Replace item with a reference so that we can easily calculate
|
|
740 |
it (in case of sum functions) or copy it (in case of fields)
|
|
741 |
||
742 |
The test above is to ensure we don't do a reference for things
|
|
743 |
that are constants (PARAM_TABLE_BIT is in effect a constant)
|
|
744 |
or already referenced (for example an item in HAVING)
|
|
745 |
Exception is Item_direct_view_ref which we need to convert to
|
|
746 |
Item_ref to allow fields from view being stored in tmp table.
|
|
747 |
*/
|
|
748 |
Item_aggregate_ref *item_ref; |
|
2183.2.17
by Olaf van der Spek
Use List::size() |
749 |
uint32_t el= fields.size(); |
1
by brian
clean slate |
750 |
Item *real_itm= real_item(); |
751 |
||
752 |
ref_pointer_array[el]= real_itm; |
|
2318.6.90
by Olaf van der Spek
Refactor |
753 |
item_ref= new Item_aggregate_ref(&session->lex().current_select->context, ref_pointer_array + el, 0, name); |
1
by brian
clean slate |
754 |
if (type() == SUM_FUNC_ITEM) |
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
755 |
item_ref->depended_from= ((Item_sum *) this)->depended_from(); |
1
by brian
clean slate |
756 |
fields.push_front(real_itm); |
2197.3.1
by Olaf van der Spek
Remove Session::change_item_tree |
757 |
*ref= item_ref; |
1
by brian
clean slate |
758 |
}
|
759 |
}
|
|
760 |
||
761 |
/*
|
|
762 |
Functions to convert item to field (for send_fields)
|
|
763 |
*/
|
|
575.1.2
by Monty Taylor
Changed a bunch of __attribute__((unused)) to removing the parameter name instead. |
764 |
bool Item::fix_fields(Session *, Item **) |
1
by brian
clean slate |
765 |
{
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
766 |
/* We do not check fields which are fixed during construction */
|
767 |
assert(! fixed || basic_const_item()); |
|
768 |
fixed= true; |
|
56
by brian
Next pass of true/false update. |
769 |
return false; |
1
by brian
clean slate |
770 |
}
|
771 |
||
846
by Brian Aker
Removing on typedeffed class. |
772 |
void mark_as_dependent(Session *session, Select_Lex *last, Select_Lex *current, |
1
by brian
clean slate |
773 |
Item_ident *resolved_item, |
774 |
Item_ident *mark_item) |
|
775 |
{
|
|
776 |
const char *db_name= (resolved_item->db_name ? |
|
777 |
resolved_item->db_name : ""); |
|
778 |
const char *table_name= (resolved_item->table_name ? |
|
779 |
resolved_item->table_name : ""); |
|
846
by Brian Aker
Removing on typedeffed class. |
780 |
/* store pointer on Select_Lex from which item is dependent */
|
1
by brian
clean slate |
781 |
if (mark_item) |
782 |
mark_item->depended_from= last; |
|
783 |
current->mark_as_dependent(last); |
|
2227.4.8
by Olaf van der Spek
Session::lex() |
784 |
if (session->lex().describe & DESCRIBE_EXTENDED) |
1
by brian
clean slate |
785 |
{
|
261.4.1
by Felipe
- Renamed MYSQL_ERROR to DRIZZLE_ERROR. |
786 |
char warn_buff[DRIZZLE_ERRMSG_SIZE]; |
1366.1.17
by Siddharth Prakash Singh
changed another status of sprintf to snprintf |
787 |
snprintf(warn_buff, sizeof(warn_buff), ER(ER_WARN_FIELD_RESOLVED), |
1
by brian
clean slate |
788 |
db_name, (db_name[0] ? "." : ""), |
789 |
table_name, (table_name [0] ? "." : ""), |
|
790 |
resolved_item->field_name, |
|
791 |
current->select_number, last->select_number); |
|
520.1.22
by Brian Aker
Second pass of thd cleanup |
792 |
push_warning(session, DRIZZLE_ERROR::WARN_LEVEL_NOTE, |
1
by brian
clean slate |
793 |
ER_WARN_FIELD_RESOLVED, warn_buff); |
794 |
}
|
|
795 |
}
|
|
796 |
||
520.1.22
by Brian Aker
Second pass of thd cleanup |
797 |
void mark_select_range_as_dependent(Session *session, |
846
by Brian Aker
Removing on typedeffed class. |
798 |
Select_Lex *last_select, |
799 |
Select_Lex *current_sel, |
|
1
by brian
clean slate |
800 |
Field *found_field, Item *found_item, |
801 |
Item_ident *resolved_item) |
|
802 |
{
|
|
803 |
/*
|
|
804 |
Go from current SELECT to SELECT where field was resolved (it
|
|
805 |
have to be reachable from current SELECT, because it was already
|
|
806 |
done once when we resolved this field and cached result of
|
|
807 |
resolving)
|
|
808 |
*/
|
|
846
by Brian Aker
Removing on typedeffed class. |
809 |
Select_Lex *previous_select= current_sel; |
1
by brian
clean slate |
810 |
for (; previous_select->outer_select() != last_select; |
811 |
previous_select= previous_select->outer_select()) |
|
812 |
{
|
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
813 |
Item_subselect *prev_subselect_item= previous_select->master_unit()->item; |
1
by brian
clean slate |
814 |
prev_subselect_item->used_tables_cache|= OUTER_REF_TABLE_BIT; |
2060
by Brian Aker
Added native functions into the function table. |
815 |
prev_subselect_item->const_item_cache= false; |
1
by brian
clean slate |
816 |
}
|
817 |
{
|
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
818 |
Item_subselect *prev_subselect_item= previous_select->master_unit()->item; |
1
by brian
clean slate |
819 |
Item_ident *dependent= resolved_item; |
820 |
if (found_field == view_ref_found) |
|
821 |
{
|
|
822 |
Item::Type type= found_item->type(); |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
823 |
prev_subselect_item->used_tables_cache|= found_item->used_tables(); |
1
by brian
clean slate |
824 |
dependent= ((type == Item::REF_ITEM || type == Item::FIELD_ITEM) ? |
825 |
(Item_ident*) found_item : |
|
826 |
0); |
|
827 |
}
|
|
828 |
else
|
|
1660.1.3
by Brian Aker
Encapsulate Table in field |
829 |
prev_subselect_item->used_tables_cache|= found_field->getTable()->map; |
2060
by Brian Aker
Added native functions into the function table. |
830 |
prev_subselect_item->const_item_cache= false; |
520.1.22
by Brian Aker
Second pass of thd cleanup |
831 |
mark_as_dependent(session, last_select, current_sel, resolved_item, |
1
by brian
clean slate |
832 |
dependent); |
833 |
}
|
|
834 |
}
|
|
835 |
||
836 |
/**
|
|
837 |
Search a GROUP BY clause for a field with a certain name.
|
|
838 |
||
839 |
Search the GROUP BY list for a column named as find_item. When searching
|
|
840 |
preference is given to columns that are qualified with the same table (and
|
|
841 |
database) name as the one being searched for.
|
|
842 |
||
843 |
@param find_item the item being searched for
|
|
844 |
@param group_list GROUP BY clause
|
|
845 |
||
846 |
@return
|
|
847 |
- the found item on success
|
|
848 |
- NULL if find_item is not in group_list
|
|
849 |
*/
|
|
2148.5.3
by Brian Aker
Remove hard coded array for numbers (this also fixes a couple of spots where |
850 |
static Item** find_field_in_group_list(Session *session, Item *find_item, Order *group_list) |
1
by brian
clean slate |
851 |
{
|
852 |
const char *db_name; |
|
853 |
const char *table_name; |
|
854 |
const char *field_name; |
|
1892.3.3
by tdavies
struct order_st changed and renamed to c++ class named:Order |
855 |
Order *found_group= NULL; |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
856 |
int found_match_degree= 0; |
1
by brian
clean slate |
857 |
Item_ident *cur_field; |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
858 |
int cur_match_degree= 0; |
859 |
char name_buff[NAME_LEN+1]; |
|
1
by brian
clean slate |
860 |
|
861 |
if (find_item->type() == Item::FIELD_ITEM || |
|
862 |
find_item->type() == Item::REF_ITEM) |
|
863 |
{
|
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
864 |
db_name= ((Item_ident*) find_item)->db_name; |
1
by brian
clean slate |
865 |
table_name= ((Item_ident*) find_item)->table_name; |
866 |
field_name= ((Item_ident*) find_item)->field_name; |
|
867 |
}
|
|
868 |
else
|
|
869 |
return NULL; |
|
870 |
||
1039.1.5
by Brian Aker
Remove lower case filename bits (aka we just lock into the most compatible |
871 |
if (db_name) |
1
by brian
clean slate |
872 |
{
|
873 |
/* Convert database to lower case for comparison */
|
|
629.5.4
by Toru Maesaka
Fourth pass of replacing MySQL's strmake() with libc calls |
874 |
strncpy(name_buff, db_name, sizeof(name_buff)-1); |
2456.1.4
by Olaf van der Spek
Refactor |
875 |
files_charset_info->casedn_str(name_buff); |
1
by brian
clean slate |
876 |
db_name= name_buff; |
877 |
}
|
|
878 |
||
51.1.55
by Jay Pipes
Removed/replaced DBUG symbols and standardized TRUE/FALSE - 1st clean pass on item.h/cc |
879 |
assert(field_name != 0); |
1
by brian
clean slate |
880 |
|
1892.3.3
by tdavies
struct order_st changed and renamed to c++ class named:Order |
881 |
for (Order *cur_group= group_list ; cur_group ; cur_group= cur_group->next) |
1
by brian
clean slate |
882 |
{
|
883 |
if ((*(cur_group->item))->real_item()->type() == Item::FIELD_ITEM) |
|
884 |
{
|
|
885 |
cur_field= (Item_ident*) *cur_group->item; |
|
886 |
cur_match_degree= 0; |
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
887 |
|
51.1.55
by Jay Pipes
Removed/replaced DBUG symbols and standardized TRUE/FALSE - 1st clean pass on item.h/cc |
888 |
assert(cur_field->field_name != 0); |
1
by brian
clean slate |
889 |
|
2456.1.4
by Olaf van der Spek
Refactor |
890 |
if (system_charset_info->strcasecmp(cur_field->field_name, field_name)) |
1
by brian
clean slate |
891 |
continue; |
2456.1.4
by Olaf van der Spek
Refactor |
892 |
++cur_match_degree; |
1
by brian
clean slate |
893 |
|
894 |
if (cur_field->table_name && table_name) |
|
895 |
{
|
|
896 |
/* If field_name is qualified by a table name. */
|
|
2456.1.4
by Olaf van der Spek
Refactor |
897 |
if (table_alias_charset->strcasecmp(cur_field->table_name, table_name)) |
1
by brian
clean slate |
898 |
/* Same field names, different tables. */
|
899 |
return NULL; |
|
900 |
||
901 |
++cur_match_degree; |
|
902 |
if (cur_field->db_name && db_name) |
|
903 |
{
|
|
904 |
/* If field_name is also qualified by a database name. */
|
|
2456.1.4
by Olaf van der Spek
Refactor |
905 |
if (system_charset_info->strcasecmp(cur_field->db_name, db_name)) |
2085.2.3
by Brian Aker
Fix strcasecmp issues (ie, check UTF-8). |
906 |
{
|
1
by brian
clean slate |
907 |
/* Same field names, different databases. */
|
908 |
return NULL; |
|
2085.2.3
by Brian Aker
Fix strcasecmp issues (ie, check UTF-8). |
909 |
}
|
1
by brian
clean slate |
910 |
++cur_match_degree; |
911 |
}
|
|
912 |
}
|
|
913 |
||
914 |
if (cur_match_degree > found_match_degree) |
|
915 |
{
|
|
916 |
found_match_degree= cur_match_degree; |
|
917 |
found_group= cur_group; |
|
918 |
}
|
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
919 |
else if (found_group && |
920 |
(cur_match_degree == found_match_degree) && |
|
1
by brian
clean slate |
921 |
! (*(found_group->item))->eq(cur_field, 0)) |
922 |
{
|
|
923 |
/*
|
|
924 |
If the current resolve candidate matches equally well as the current
|
|
925 |
best match, they must reference the same column, otherwise the field
|
|
926 |
is ambiguous.
|
|
927 |
*/
|
|
2148.5.3
by Brian Aker
Remove hard coded array for numbers (this also fixes a couple of spots where |
928 |
my_error(ER_NON_UNIQ_ERROR, MYF(0), find_item->full_name(), session->where()); |
1
by brian
clean slate |
929 |
return NULL; |
930 |
}
|
|
931 |
}
|
|
932 |
}
|
|
933 |
||
934 |
if (found_group) |
|
935 |
return found_group->item; |
|
2024.1.3
by Brian Aker
Finish up issues with unsigned/int by fixing cast(). |
936 |
|
937 |
return NULL; |
|
1
by brian
clean slate |
938 |
}
|
939 |
||
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
940 |
Item** resolve_ref_in_select_and_group(Session *session, Item_ident *ref, Select_Lex *select) |
1
by brian
clean slate |
941 |
{
|
942 |
Item **group_by_ref= NULL; |
|
943 |
Item **select_ref= NULL; |
|
1892.3.3
by tdavies
struct order_st changed and renamed to c++ class named:Order |
944 |
Order *group_list= (Order*) select->group_list.first; |
56
by brian
Next pass of true/false update. |
945 |
bool ambiguous_fields= false; |
482
by Brian Aker
Remove uint. |
946 |
uint32_t counter; |
1
by brian
clean slate |
947 |
enum_resolution_type resolution; |
948 |
||
949 |
/*
|
|
950 |
Search for a column or derived column named as 'ref' in the SELECT
|
|
951 |
clause of the current select.
|
|
952 |
*/
|
|
1578.6.3
by Brian Aker
More current_session removal. |
953 |
if (!(select_ref= find_item_in_list(session, |
954 |
ref, *(select->get_item_list()), |
|
1
by brian
clean slate |
955 |
&counter, REPORT_EXCEPT_NOT_FOUND, |
956 |
&resolution))) |
|
957 |
return NULL; /* Some error occurred. */ |
|
958 |
if (resolution == RESOLVED_AGAINST_ALIAS) |
|
56
by brian
Next pass of true/false update. |
959 |
ref->alias_name_used= true; |
1
by brian
clean slate |
960 |
|
961 |
/* If this is a non-aggregated field inside HAVING, search in GROUP BY. */
|
|
962 |
if (select->having_fix_field && !ref->with_sum_func && group_list) |
|
963 |
{
|
|
2148.5.3
by Brian Aker
Remove hard coded array for numbers (this also fixes a couple of spots where |
964 |
group_by_ref= find_field_in_group_list(session, ref, group_list); |
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
965 |
|
1
by brian
clean slate |
966 |
/* Check if the fields found in SELECT and GROUP BY are the same field. */
|
967 |
if (group_by_ref && (select_ref != not_found_item) && |
|
968 |
!((*group_by_ref)->eq(*select_ref, 0))) |
|
969 |
{
|
|
56
by brian
Next pass of true/false update. |
970 |
ambiguous_fields= true; |
520.1.22
by Brian Aker
Second pass of thd cleanup |
971 |
push_warning_printf(session, DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_NON_UNIQ_ERROR, |
1
by brian
clean slate |
972 |
ER(ER_NON_UNIQ_ERROR), ref->full_name(), |
2114.4.10
by Brian Aker
Remove current_session from a couple of locations, encapsulate where in |
973 |
session->where()); |
1
by brian
clean slate |
974 |
|
975 |
}
|
|
976 |
}
|
|
977 |
||
978 |
if (select_ref != not_found_item || group_by_ref) |
|
979 |
{
|
|
980 |
if (select_ref != not_found_item && !ambiguous_fields) |
|
981 |
{
|
|
51.1.55
by Jay Pipes
Removed/replaced DBUG symbols and standardized TRUE/FALSE - 1st clean pass on item.h/cc |
982 |
assert(*select_ref != 0); |
1
by brian
clean slate |
983 |
if (!select->ref_pointer_array[counter]) |
984 |
{
|
|
985 |
my_error(ER_ILLEGAL_REFERENCE, MYF(0), |
|
986 |
ref->name, "forward reference in item list"); |
|
987 |
return NULL; |
|
988 |
}
|
|
51.1.55
by Jay Pipes
Removed/replaced DBUG symbols and standardized TRUE/FALSE - 1st clean pass on item.h/cc |
989 |
assert((*select_ref)->fixed); |
1
by brian
clean slate |
990 |
return (select->ref_pointer_array + counter); |
991 |
}
|
|
992 |
if (group_by_ref) |
|
993 |
return group_by_ref; |
|
51.1.55
by Jay Pipes
Removed/replaced DBUG symbols and standardized TRUE/FALSE - 1st clean pass on item.h/cc |
994 |
assert(false); |
1
by brian
clean slate |
995 |
return NULL; /* So there is no compiler warning. */ |
996 |
}
|
|
997 |
||
998 |
return (Item**) not_found_item; |
|
999 |
}
|
|
1000 |
||
2385.2.10
by Olaf van der Spek
Refactor |
1001 |
void Item::init_make_field(SendField *tmp_field, enum_field_types field_type_arg) |
1
by brian
clean slate |
1002 |
{
|
2385.2.10
by Olaf van der Spek
Refactor |
1003 |
tmp_field->db_name= ""; |
1004 |
tmp_field->org_table_name= ""; |
|
1005 |
tmp_field->org_col_name= ""; |
|
1006 |
tmp_field->table_name= ""; |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1007 |
tmp_field->col_name= name; |
1008 |
tmp_field->charsetnr= collation.collation->number; |
|
2445.1.4
by Olaf van der Spek
Refactor |
1009 |
tmp_field->flags= (maybe_null ? 0 : NOT_NULL_FLAG) | (collation.collation->binary_compare() ? BINARY_FLAG : 0); |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1010 |
tmp_field->type= field_type_arg; |
1011 |
tmp_field->length= max_length; |
|
1012 |
tmp_field->decimals= decimals; |
|
1
by brian
clean slate |
1013 |
}
|
1014 |
||
1052.2.4
by Nathan Williams
No actual code changes. Changed Send_field to SendField to be consistent with coding standards. |
1015 |
void Item::make_field(SendField *tmp_field) |
1
by brian
clean slate |
1016 |
{
|
1017 |
init_make_field(tmp_field, field_type()); |
|
1018 |
}
|
|
1019 |
||
1020 |
enum_field_types Item::string_field_type() const |
|
1021 |
{
|
|
240
by Brian Aker
Removed old/dead VARCHAR type from pre-5.0 |
1022 |
enum_field_types f_type= DRIZZLE_TYPE_VARCHAR; |
113
by Brian Aker
First pass on removing blob internals. |
1023 |
if (max_length >= 65536) |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1024 |
f_type= DRIZZLE_TYPE_BLOB; |
1
by brian
clean slate |
1025 |
return f_type; |
1026 |
}
|
|
1027 |
||
1028 |
enum_field_types Item::field_type() const |
|
1029 |
{
|
|
1030 |
switch (result_type()) { |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1031 |
case STRING_RESULT: |
1032 |
return string_field_type(); |
|
1033 |
case INT_RESULT: |
|
1034 |
return DRIZZLE_TYPE_LONGLONG; |
|
1035 |
case DECIMAL_RESULT: |
|
1211.1.1
by Brian Aker
Updating with my change to to DECIMAL from NEWDECIMAL and Stewart's update |
1036 |
return DRIZZLE_TYPE_DECIMAL; |
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1037 |
case REAL_RESULT: |
1038 |
return DRIZZLE_TYPE_DOUBLE; |
|
1
by brian
clean slate |
1039 |
case ROW_RESULT: |
51.1.55
by Jay Pipes
Removed/replaced DBUG symbols and standardized TRUE/FALSE - 1st clean pass on item.h/cc |
1040 |
assert(0); |
1
by brian
clean slate |
1041 |
}
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1042 |
|
1043 |
abort(); |
|
1
by brian
clean slate |
1044 |
}
|
1045 |
||
1046 |
bool Item::is_datetime() |
|
1047 |
{
|
|
2167.3.1
by Brian Aker
Fix issues where int display length may be too small, and fix collation |
1048 |
return field::isDateTime(field_type()); |
1
by brian
clean slate |
1049 |
}
|
1050 |
||
1051 |
String *Item::check_well_formed_result(String *str, bool send_error) |
|
1052 |
{
|
|
1053 |
/* Check whether we got a well-formed string */
|
|
2254
by Brian Aker
Shift CHARSET_INFO to charset_info_st |
1054 |
const charset_info_st * const cs= str->charset(); |
1
by brian
clean slate |
1055 |
int well_formed_error; |
2440.2.14
by Olaf van der Spek
Refactor |
1056 |
uint32_t wlen= cs->cset->well_formed_len(*cs, *str, str->length(), &well_formed_error); |
1
by brian
clean slate |
1057 |
if (wlen < str->length()) |
1058 |
{
|
|
1059 |
char hexbuf[7]; |
|
261.4.1
by Felipe
- Renamed MYSQL_ERROR to DRIZZLE_ERROR. |
1060 |
enum DRIZZLE_ERROR::enum_warning_level level; |
482
by Brian Aker
Remove uint. |
1061 |
uint32_t diff= str->length() - wlen; |
937.2.6
by Stewart Smith
make set_if_bigger typesafe for C and C++. Fix up everywhere. |
1062 |
set_if_smaller(diff, 3U); |
971.3.9
by Eric Day
Removed dependency for hex convert, fixed a few Protocol class issues for Solaris. |
1063 |
(void) drizzled_string_to_hex(hexbuf, str->ptr() + wlen, diff); |
1
by brian
clean slate |
1064 |
if (send_error) |
1065 |
{
|
|
1066 |
my_error(ER_INVALID_CHARACTER_STRING, MYF(0), |
|
1067 |
cs->csname, hexbuf); |
|
681
by Brian Aker
Style cleanup |
1068 |
return NULL; |
1
by brian
clean slate |
1069 |
}
|
1070 |
{
|
|
261.4.1
by Felipe
- Renamed MYSQL_ERROR to DRIZZLE_ERROR. |
1071 |
level= DRIZZLE_ERROR::WARN_LEVEL_ERROR; |
1
by brian
clean slate |
1072 |
null_value= 1; |
1073 |
str= 0; |
|
1074 |
}
|
|
2148.5.3
by Brian Aker
Remove hard coded array for numbers (this also fixes a couple of spots where |
1075 |
push_warning_printf(&getSession(), level, ER_INVALID_CHARACTER_STRING, |
1
by brian
clean slate |
1076 |
ER(ER_INVALID_CHARACTER_STRING), cs->csname, hexbuf); |
1077 |
}
|
|
1078 |
return str; |
|
1079 |
}
|
|
1080 |
||
2254
by Brian Aker
Shift CHARSET_INFO to charset_info_st |
1081 |
bool Item::eq_by_collation(Item *item, bool binary_cmp, const charset_info_st * const cs) |
1
by brian
clean slate |
1082 |
{
|
2254
by Brian Aker
Shift CHARSET_INFO to charset_info_st |
1083 |
const charset_info_st *save_cs= 0; |
1084 |
const charset_info_st *save_item_cs= 0; |
|
1
by brian
clean slate |
1085 |
if (collation.collation != cs) |
1086 |
{
|
|
1087 |
save_cs= collation.collation; |
|
1088 |
collation.collation= cs; |
|
1089 |
}
|
|
1090 |
if (item->collation.collation != cs) |
|
1091 |
{
|
|
1092 |
save_item_cs= item->collation.collation; |
|
1093 |
item->collation.collation= cs; |
|
1094 |
}
|
|
1095 |
bool res= eq(item, binary_cmp); |
|
1096 |
if (save_cs) |
|
1097 |
collation.collation= save_cs; |
|
1098 |
if (save_item_cs) |
|
1099 |
item->collation.collation= save_item_cs; |
|
1100 |
return res; |
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1101 |
}
|
1
by brian
clean slate |
1102 |
|
327.1.5
by Brian Aker
Refactor around classes. TABLE_LIST has been factored out of table.h |
1103 |
Field *Item::make_string_field(Table *table) |
1
by brian
clean slate |
1104 |
{
|
1105 |
Field *field; |
|
51.1.55
by Jay Pipes
Removed/replaced DBUG symbols and standardized TRUE/FALSE - 1st clean pass on item.h/cc |
1106 |
assert(collation.collation); |
1
by brian
clean slate |
1107 |
if (max_length/collation.collation->mbmaxlen > CONVERT_IF_BIGGER_TO_BLOB) |
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1108 |
{
|
1
by brian
clean slate |
1109 |
field= new Field_blob(max_length, maybe_null, name, |
1110 |
collation.collation); |
|
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1111 |
}
|
241
by Brian Aker
First pass of CHAR removal. |
1112 |
else
|
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1113 |
{
|
1114 |
table->setVariableWidth(); |
|
1115 |
field= new Field_varstring(max_length, maybe_null, name, |
|
1
by brian
clean slate |
1116 |
collation.collation); |
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1117 |
}
|
241
by Brian Aker
First pass of CHAR removal. |
1118 |
|
1
by brian
clean slate |
1119 |
if (field) |
1120 |
field->init(table); |
|
1121 |
return field; |
|
1122 |
}
|
|
1123 |
||
575.1.2
by Monty Taylor
Changed a bunch of __attribute__((unused)) to removing the parameter name instead. |
1124 |
Field *Item::tmp_table_field_from_field_type(Table *table, bool) |
1
by brian
clean slate |
1125 |
{
|
1126 |
/*
|
|
1127 |
The field functions defines a field to be not null if null_ptr is not 0
|
|
1128 |
*/
|
|
481
by Brian Aker
Remove all of uchar. |
1129 |
unsigned char *null_ptr= maybe_null ? (unsigned char*) "" : 0; |
1996.2.1
by Brian Aker
uuid type code. |
1130 |
Field *field= NULL; |
1
by brian
clean slate |
1131 |
|
1132 |
switch (field_type()) { |
|
1211.1.1
by Brian Aker
Updating with my change to to DECIMAL from NEWDECIMAL and Stewart's update |
1133 |
case DRIZZLE_TYPE_DECIMAL: |
1134 |
field= new Field_decimal((unsigned char*) 0, |
|
1119.9.6
by Jay Pipes
Removes the FIELDFLAG_DECIMAL, the f_is_dec() macro, and unscrews the unsigned flag in various places. |
1135 |
max_length, |
1136 |
null_ptr, |
|
1137 |
0, |
|
1138 |
Field::NONE, |
|
1139 |
name, |
|
2137.1.3
by Brian Aker
Move decimal_zero, and a light fix on the decimal_t type (ditch the |
1140 |
decimals); |
1
by brian
clean slate |
1141 |
break; |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1142 |
case DRIZZLE_TYPE_LONG: |
2007
by Brian Aker
Refactor naming for integers. |
1143 |
field= new field::Int32((unsigned char*) 0, max_length, null_ptr, 0, Field::NONE, name); |
1
by brian
clean slate |
1144 |
break; |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1145 |
case DRIZZLE_TYPE_LONGLONG: |
2007
by Brian Aker
Refactor naming for integers. |
1146 |
field= new field::Int64((unsigned char*) 0, max_length, null_ptr, 0, Field::NONE, name); |
1
by brian
clean slate |
1147 |
break; |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1148 |
case DRIZZLE_TYPE_DOUBLE: |
481
by Brian Aker
Remove all of uchar. |
1149 |
field= new Field_double((unsigned char*) 0, max_length, null_ptr, 0, Field::NONE, |
2007
by Brian Aker
Refactor naming for integers. |
1150 |
name, decimals, 0, unsigned_flag); |
1
by brian
clean slate |
1151 |
break; |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1152 |
case DRIZZLE_TYPE_NULL: |
2167.3.1
by Brian Aker
Fix issues where int display length may be too small, and fix collation |
1153 |
field= new Field_null((unsigned char*) 0, max_length, name); |
1
by brian
clean slate |
1154 |
break; |
575.5.1
by David Axmark
Changed NEWDATE to DATE. One failing test but I think its somewhere else in the code |
1155 |
case DRIZZLE_TYPE_DATE: |
2167.3.1
by Brian Aker
Fix issues where int display length may be too small, and fix collation |
1156 |
field= new Field_date(maybe_null, name); |
1
by brian
clean slate |
1157 |
break; |
2046.2.1
by Brian Aker
First pass on micro timestamp. |
1158 |
|
1159 |
case DRIZZLE_TYPE_MICROTIME: |
|
1160 |
field= new field::Microtime(maybe_null, name); |
|
1161 |
break; |
|
1162 |
||
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1163 |
case DRIZZLE_TYPE_TIMESTAMP: |
2046.2.1
by Brian Aker
First pass on micro timestamp. |
1164 |
field= new field::Epoch(maybe_null, name); |
1
by brian
clean slate |
1165 |
break; |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1166 |
case DRIZZLE_TYPE_DATETIME: |
2167.3.1
by Brian Aker
Fix issues where int display length may be too small, and fix collation |
1167 |
field= new Field_datetime(maybe_null, name); |
1
by brian
clean slate |
1168 |
break; |
1999.4.7
by Brian Aker
Merge in first pass of TIME type (closer to EPOCH time). |
1169 |
case DRIZZLE_TYPE_TIME: |
2167.3.1
by Brian Aker
Fix issues where int display length may be too small, and fix collation |
1170 |
field= new field::Time(maybe_null, name); |
1999.4.7
by Brian Aker
Merge in first pass of TIME type (closer to EPOCH time). |
1171 |
break; |
2023.2.2
by Brian Aker
Merge in BOOL change to BOOLEAN. |
1172 |
case DRIZZLE_TYPE_BOOLEAN: |
1996.2.1
by Brian Aker
uuid type code. |
1173 |
case DRIZZLE_TYPE_UUID: |
2398.1.1
by Muhammad Umair
merge lp:~mumair/drizzle/drizzle-IPv6Address |
1174 |
case DRIZZLE_TYPE_IPV6: |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1175 |
case DRIZZLE_TYPE_ENUM: |
1176 |
case DRIZZLE_TYPE_VARCHAR: |
|
1
by brian
clean slate |
1177 |
return make_string_field(table); |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1178 |
case DRIZZLE_TYPE_BLOB: |
1
by brian
clean slate |
1179 |
field= new Field_blob(max_length, maybe_null, name, collation.collation); |
1180 |
break; // Blob handled outside of case |
|
1181 |
}
|
|
1996.2.1
by Brian Aker
uuid type code. |
1182 |
assert(field); |
1183 |
||
1
by brian
clean slate |
1184 |
if (field) |
1185 |
field->init(table); |
|
1186 |
return field; |
|
1187 |
}
|
|
1188 |
||
1189 |
/*
|
|
1190 |
This implementation can lose str_value content, so if the
|
|
1191 |
Item uses str_value to store something, it should
|
|
1192 |
reimplement it's ::save_in_field() as Item_string, for example, does
|
|
1193 |
*/
|
|
1194 |
int Item::save_in_field(Field *field, bool no_conversions) |
|
1195 |
{
|
|
1196 |
int error; |
|
1197 |
if (result_type() == STRING_RESULT) |
|
1198 |
{
|
|
1199 |
String *result; |
|
2254
by Brian Aker
Shift CHARSET_INFO to charset_info_st |
1200 |
const charset_info_st * const cs= collation.collation; |
1
by brian
clean slate |
1201 |
char buff[MAX_FIELD_WIDTH]; // Alloc buffer for small columns |
1202 |
str_value.set_quick(buff, sizeof(buff), cs); |
|
1203 |
result=val_str(&str_value); |
|
1204 |
if (null_value) |
|
1205 |
{
|
|
1206 |
str_value.set_quick(0, 0, cs); |
|
1207 |
return set_field_to_null_with_conversions(field, no_conversions); |
|
1208 |
}
|
|
1209 |
||
56
by brian
Next pass of true/false update. |
1210 |
/* NOTE: If null_value == false, "result" must be not NULL. */
|
1
by brian
clean slate |
1211 |
|
1212 |
field->set_notnull(); |
|
1213 |
error=field->store(result->ptr(),result->length(),cs); |
|
1214 |
str_value.set_quick(0, 0, cs); |
|
1215 |
}
|
|
1216 |
else if (result_type() == REAL_RESULT && |
|
1217 |
field->result_type() == STRING_RESULT) |
|
1218 |
{
|
|
1219 |
double nr= val_real(); |
|
1220 |
if (null_value) |
|
1221 |
return set_field_to_null_with_conversions(field, no_conversions); |
|
1222 |
field->set_notnull(); |
|
1223 |
error= field->store(nr); |
|
1224 |
}
|
|
1225 |
else if (result_type() == REAL_RESULT) |
|
1226 |
{
|
|
1227 |
double nr= val_real(); |
|
1228 |
if (null_value) |
|
1229 |
return set_field_to_null(field); |
|
1230 |
field->set_notnull(); |
|
1231 |
error=field->store(nr); |
|
1232 |
}
|
|
1233 |
else if (result_type() == DECIMAL_RESULT) |
|
1234 |
{
|
|
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
1235 |
type::Decimal decimal_value; |
1236 |
type::Decimal *value= val_decimal(&decimal_value); |
|
1
by brian
clean slate |
1237 |
if (null_value) |
1238 |
return set_field_to_null_with_conversions(field, no_conversions); |
|
1239 |
field->set_notnull(); |
|
1240 |
error=field->store_decimal(value); |
|
1241 |
}
|
|
1242 |
else
|
|
1243 |
{
|
|
152
by Brian Aker
longlong replacement |
1244 |
int64_t nr=val_int(); |
1
by brian
clean slate |
1245 |
if (null_value) |
1246 |
return set_field_to_null_with_conversions(field, no_conversions); |
|
1247 |
field->set_notnull(); |
|
1248 |
error=field->store(nr, unsigned_flag); |
|
1249 |
}
|
|
1250 |
return error; |
|
1251 |
}
|
|
1252 |
||
1240.8.4
by Dennis Schoen
add Item functions |
1253 |
/**
|
1254 |
Check if an item is a constant one and can be cached.
|
|
1255 |
||
1256 |
@param arg [out] TRUE <=> Cache this item.
|
|
1257 |
||
1258 |
@return TRUE Go deeper in item tree.
|
|
1259 |
@return FALSE Don't go deeper in item tree.
|
|
1260 |
*/
|
|
1261 |
||
1262 |
bool Item::cache_const_expr_analyzer(unsigned char **arg) |
|
1263 |
{
|
|
1264 |
bool *cache_flag= (bool*)*arg; |
|
1265 |
if (!*cache_flag) |
|
1266 |
{
|
|
1267 |
Item *item= real_item(); |
|
1268 |
/*
|
|
1269 |
Cache constant items unless it's a basic constant, constant field or
|
|
1270 |
a subselect (they use their own cache).
|
|
1271 |
*/
|
|
1272 |
if (const_item() && |
|
1273 |
!(item->basic_const_item() || item->type() == Item::FIELD_ITEM || |
|
1274 |
item->type() == SUBSELECT_ITEM || |
|
1275 |
/*
|
|
1276 |
Do not cache GET_USER_VAR() function as its const_item() may
|
|
1277 |
return TRUE for the current thread but it still may change
|
|
1278 |
during the execution.
|
|
1279 |
*/
|
|
1280 |
(item->type() == Item::FUNC_ITEM && |
|
1281 |
((Item_func*)item)->functype() == Item_func::GUSERVAR_FUNC))) |
|
1282 |
*cache_flag= true; |
|
1283 |
return true; |
|
1284 |
}
|
|
1285 |
return false; |
|
1286 |
}
|
|
1287 |
||
1288 |
/**
|
|
1289 |
Cache item if needed.
|
|
1290 |
||
1291 |
@param arg TRUE <=> Cache this item.
|
|
1292 |
||
1293 |
@return cache if cache needed.
|
|
1294 |
@return this otherwise.
|
|
1295 |
*/
|
|
1296 |
||
1297 |
Item* Item::cache_const_expr_transformer(unsigned char *arg) |
|
1298 |
{
|
|
1299 |
if (*(bool*)arg) |
|
1300 |
{
|
|
1301 |
*((bool*)arg)= false; |
|
1302 |
Item_cache *cache= Item_cache::get_cache(this); |
|
1303 |
if (!cache) |
|
1304 |
return NULL; |
|
1305 |
cache->setup(this); |
|
1306 |
cache->store(this); |
|
1307 |
return cache; |
|
1308 |
}
|
|
1309 |
return this; |
|
1310 |
}
|
|
1311 |
||
2313.3.7
by Olaf van der Spek
Return void |
1312 |
void Item::send(plugin::Client *client, String *buffer) |
1
by brian
clean slate |
1313 |
{
|
2313.3.7
by Olaf van der Spek
Return void |
1314 |
switch (field_type()) |
1315 |
{
|
|
1996.2.1
by Brian Aker
uuid type code. |
1316 |
case DRIZZLE_TYPE_DATE: |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1317 |
case DRIZZLE_TYPE_NULL: |
1318 |
case DRIZZLE_TYPE_ENUM: |
|
1319 |
case DRIZZLE_TYPE_BLOB: |
|
1320 |
case DRIZZLE_TYPE_VARCHAR: |
|
2023.2.2
by Brian Aker
Merge in BOOL change to BOOLEAN. |
1321 |
case DRIZZLE_TYPE_BOOLEAN: |
1996.2.1
by Brian Aker
uuid type code. |
1322 |
case DRIZZLE_TYPE_UUID: |
2398.1.1
by Muhammad Umair
merge lp:~mumair/drizzle/drizzle-IPv6Address |
1323 |
case DRIZZLE_TYPE_IPV6: |
1211.1.1
by Brian Aker
Updating with my change to to DECIMAL from NEWDECIMAL and Stewart's update |
1324 |
case DRIZZLE_TYPE_DECIMAL: |
1996.2.1
by Brian Aker
uuid type code. |
1325 |
{
|
2313.3.6
by Olaf van der Spek
Return void |
1326 |
if (String* res=val_str(buffer)) |
1327 |
client->store(res->ptr(), res->length()); |
|
1996.2.1
by Brian Aker
uuid type code. |
1328 |
break; |
1329 |
}
|
|
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1330 |
case DRIZZLE_TYPE_LONG: |
1996.2.1
by Brian Aker
uuid type code. |
1331 |
{
|
2313.3.6
by Olaf van der Spek
Return void |
1332 |
int64_t nr= val_int(); |
1996.2.1
by Brian Aker
uuid type code. |
1333 |
if (!null_value) |
2313.3.6
by Olaf van der Spek
Return void |
1334 |
client->store((int32_t)nr); |
1996.2.1
by Brian Aker
uuid type code. |
1335 |
break; |
1336 |
}
|
|
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1337 |
case DRIZZLE_TYPE_LONGLONG: |
971.3.17
by Eric Day
Cleaned up int/date related store functions. |
1338 |
{
|
2313.3.6
by Olaf van der Spek
Return void |
1339 |
int64_t nr= val_int(); |
1996.2.1
by Brian Aker
uuid type code. |
1340 |
if (!null_value) |
1341 |
{
|
|
1342 |
if (unsigned_flag) |
|
2313.3.6
by Olaf van der Spek
Return void |
1343 |
client->store((uint64_t)nr); |
1996.2.1
by Brian Aker
uuid type code. |
1344 |
else
|
2313.3.6
by Olaf van der Spek
Return void |
1345 |
client->store((int64_t)nr); |
1996.2.1
by Brian Aker
uuid type code. |
1346 |
}
|
1347 |
break; |
|
971.3.17
by Eric Day
Cleaned up int/date related store functions. |
1348 |
}
|
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1349 |
case DRIZZLE_TYPE_DOUBLE: |
1996.2.1
by Brian Aker
uuid type code. |
1350 |
{
|
1351 |
double nr= val_real(); |
|
1352 |
if (!null_value) |
|
2313.3.6
by Olaf van der Spek
Return void |
1353 |
client->store(nr, decimals, buffer); |
1996.2.1
by Brian Aker
uuid type code. |
1354 |
break; |
1355 |
}
|
|
1999.4.7
by Brian Aker
Merge in first pass of TIME type (closer to EPOCH time). |
1356 |
case DRIZZLE_TYPE_TIME: |
1999.4.12
by Brian Aker
Adds additional testing, and fixes CAST again. |
1357 |
{
|
2030.1.5
by Brian Aker
Update for moving DRIZZLE_TIME to type::Time |
1358 |
type::Time tm; |
2104.2.8
by Brian Aker
Merge in reference from pointer. |
1359 |
get_time(tm); |
1999.4.12
by Brian Aker
Adds additional testing, and fixes CAST again. |
1360 |
if (not null_value) |
2313.3.6
by Olaf van der Spek
Return void |
1361 |
client->store(&tm); |
1999.4.12
by Brian Aker
Adds additional testing, and fixes CAST again. |
1362 |
break; |
1363 |
}
|
|
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1364 |
case DRIZZLE_TYPE_DATETIME: |
2046.2.1
by Brian Aker
First pass on micro timestamp. |
1365 |
case DRIZZLE_TYPE_MICROTIME: |
212.2.2
by Patrick Galbraith
Renamed FIELD_TYPE to DRIZZLE_TYPE |
1366 |
case DRIZZLE_TYPE_TIMESTAMP: |
1996.2.1
by Brian Aker
uuid type code. |
1367 |
{
|
2030.1.5
by Brian Aker
Update for moving DRIZZLE_TIME to type::Time |
1368 |
type::Time tm; |
2104.2.8
by Brian Aker
Merge in reference from pointer. |
1369 |
get_date(tm, TIME_FUZZY_DATE); |
1996.2.1
by Brian Aker
uuid type code. |
1370 |
if (!null_value) |
2313.3.6
by Olaf van der Spek
Return void |
1371 |
client->store(&tm); |
1996.2.1
by Brian Aker
uuid type code. |
1372 |
break; |
1373 |
}
|
|
1
by brian
clean slate |
1374 |
}
|
1375 |
if (null_value) |
|
2313.3.6
by Olaf van der Spek
Return void |
1376 |
client->store(); |
1
by brian
clean slate |
1377 |
}
|
1378 |
||
2154.2.4
by Brian Aker
This fixes 716459 |
1379 |
uint32_t Item::max_char_length() const |
1380 |
{
|
|
1381 |
return max_length / collation.collation->mbmaxlen; |
|
1382 |
}
|
|
1383 |
||
1384 |
void Item::fix_char_length(uint32_t max_char_length_arg) |
|
1385 |
{
|
|
1386 |
max_length= char_to_byte_length_safe(max_char_length_arg, collation.collation->mbmaxlen); |
|
1387 |
}
|
|
1388 |
||
1
by brian
clean slate |
1389 |
Item_result item_cmp_type(Item_result a,Item_result b) |
1390 |
{
|
|
1391 |
if (a == STRING_RESULT && b == STRING_RESULT) |
|
1392 |
return STRING_RESULT; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1393 |
|
1
by brian
clean slate |
1394 |
if (a == INT_RESULT && b == INT_RESULT) |
1395 |
return INT_RESULT; |
|
1396 |
else if (a == ROW_RESULT || b == ROW_RESULT) |
|
1397 |
return ROW_RESULT; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1398 |
|
1
by brian
clean slate |
1399 |
if ((a == INT_RESULT || a == DECIMAL_RESULT) && |
1400 |
(b == INT_RESULT || b == DECIMAL_RESULT)) |
|
1401 |
return DECIMAL_RESULT; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1402 |
|
1
by brian
clean slate |
1403 |
return REAL_RESULT; |
1404 |
}
|
|
1405 |
||
520.1.22
by Brian Aker
Second pass of thd cleanup |
1406 |
void resolve_const_item(Session *session, Item **ref, Item *comp_item) |
1
by brian
clean slate |
1407 |
{
|
1408 |
Item *item= *ref; |
|
1409 |
Item *new_item= NULL; |
|
1410 |
if (item->basic_const_item()) |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1411 |
return; /* Can't be better */ |
2318.6.97
by Olaf van der Spek
Remove unused Item::orig_name |
1412 |
Item_result res_type=item_cmp_type(comp_item->result_type(), item->result_type()); |
1413 |
const char *name=item->name; /* Alloced by memory::sql_alloc */ |
|
1
by brian
clean slate |
1414 |
|
2318.6.97
by Olaf van der Spek
Remove unused Item::orig_name |
1415 |
switch (res_type) |
1416 |
{
|
|
1
by brian
clean slate |
1417 |
case STRING_RESULT: |
1418 |
{
|
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1419 |
char buff[MAX_FIELD_WIDTH]; |
1420 |
String tmp(buff,sizeof(buff),&my_charset_bin),*result; |
|
1421 |
result=item->val_str(&tmp); |
|
1422 |
if (item->null_value) |
|
1423 |
new_item= new Item_null(name); |
|
1424 |
else
|
|
2318.9.11
by Olaf van der Spek
Use sql_strdup(str_ref) |
1425 |
new_item= new Item_string(name, memory::sql_strdup(*result), result->length(), result->charset()); |
2008
by Brian Aker
Formatting + remove default from switch/case. |
1426 |
break; |
1
by brian
clean slate |
1427 |
}
|
1428 |
case INT_RESULT: |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1429 |
{
|
2318.7.14
by Olaf van der Spek
Refactor |
1430 |
new_item= item->null_value ? (Item*)new Item_null(name) : (Item*)new Item_int(name, item->val_int(), item->max_length); |
2008
by Brian Aker
Formatting + remove default from switch/case. |
1431 |
break; |
1432 |
}
|
|
1
by brian
clean slate |
1433 |
case ROW_RESULT: |
2008
by Brian Aker
Formatting + remove default from switch/case. |
1434 |
if (item->type() == Item::ROW_ITEM && comp_item->type() == Item::ROW_ITEM) |
1435 |
{
|
|
1436 |
/*
|
|
1437 |
Substitute constants only in Item_rows. Don't affect other Items
|
|
1438 |
with ROW_RESULT (eg Item_singlerow_subselect).
|
|
1
by brian
clean slate |
1439 |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1440 |
For such Items more optimal is to detect if it is constant and replace
|
1441 |
it with Item_row. This would optimize queries like this:
|
|
1442 |
SELECT * FROM t1 WHERE (a,b) = (SELECT a,b FROM t2 LIMIT 1);
|
|
1443 |
*/
|
|
1444 |
Item_row *item_row= (Item_row*) item; |
|
1445 |
Item_row *comp_item_row= (Item_row*) comp_item; |
|
1446 |
new_item= 0; |
|
1447 |
/*
|
|
1448 |
If item and comp_item are both Item_rows and have same number of cols
|
|
1449 |
then process items in Item_row one by one.
|
|
1450 |
We can't ignore NULL values here as this item may be used with <=>, in
|
|
1451 |
which case NULL's are significant.
|
|
1452 |
*/
|
|
1453 |
assert(item->result_type() == comp_item->result_type()); |
|
1454 |
assert(item_row->cols() == comp_item_row->cols()); |
|
2318.7.14
by Olaf van der Spek
Refactor |
1455 |
for (uint32_t col= item_row->cols(); col--; ) |
1456 |
resolve_const_item(session, item_row->addr(col), comp_item_row->element_index(col)); |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1457 |
break; |
1458 |
}
|
|
1459 |
/* Fallthrough */
|
|
1
by brian
clean slate |
1460 |
case REAL_RESULT: |
2008
by Brian Aker
Formatting + remove default from switch/case. |
1461 |
{ // It must REAL_RESULT |
1462 |
double result= item->val_real(); |
|
1463 |
uint32_t length=item->max_length,decimals=item->decimals; |
|
1464 |
bool null_value=item->null_value; |
|
1465 |
new_item= (null_value ? (Item*) new Item_null(name) : (Item*) |
|
1466 |
new Item_float(name, result, decimals, length)); |
|
1467 |
break; |
|
1468 |
}
|
|
1
by brian
clean slate |
1469 |
case DECIMAL_RESULT: |
2008
by Brian Aker
Formatting + remove default from switch/case. |
1470 |
{
|
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
1471 |
type::Decimal decimal_value; |
1472 |
type::Decimal *result= item->val_decimal(&decimal_value); |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1473 |
uint32_t length= item->max_length, decimals= item->decimals; |
1474 |
bool null_value= item->null_value; |
|
1475 |
new_item= (null_value ? |
|
1476 |
(Item*) new Item_null(name) : |
|
1477 |
(Item*) new Item_decimal(name, result, length, decimals)); |
|
1478 |
break; |
|
1479 |
}
|
|
1480 |
}
|
|
1481 |
||
1
by brian
clean slate |
1482 |
if (new_item) |
2197.3.1
by Olaf van der Spek
Remove Session::change_item_tree |
1483 |
*ref= new_item; |
1
by brian
clean slate |
1484 |
}
|
1485 |
||
1486 |
bool field_is_equal_to_item(Field *field,Item *item) |
|
1487 |
{
|
|
1488 |
||
1489 |
Item_result res_type=item_cmp_type(field->result_type(), |
|
1490 |
item->result_type()); |
|
1491 |
if (res_type == STRING_RESULT) |
|
1492 |
{
|
|
1493 |
char item_buff[MAX_FIELD_WIDTH]; |
|
1494 |
char field_buff[MAX_FIELD_WIDTH]; |
|
1495 |
String item_tmp(item_buff,sizeof(item_buff),&my_charset_bin),*item_result; |
|
1496 |
String field_tmp(field_buff,sizeof(field_buff),&my_charset_bin); |
|
1497 |
item_result=item->val_str(&item_tmp); |
|
1498 |
if (item->null_value) |
|
1499 |
return 1; // This must be true |
|
1996.2.1
by Brian Aker
uuid type code. |
1500 |
field->val_str_internal(&field_tmp); |
1501 |
return not stringcmp(&field_tmp,item_result); |
|
1
by brian
clean slate |
1502 |
}
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1503 |
|
1
by brian
clean slate |
1504 |
if (res_type == INT_RESULT) |
1505 |
return 1; // Both where of type int |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1506 |
|
1
by brian
clean slate |
1507 |
if (res_type == DECIMAL_RESULT) |
1508 |
{
|
|
2030.1.4
by Brian Aker
Change my_decimal to Decimal |
1509 |
type::Decimal item_buf, *item_val, |
1
by brian
clean slate |
1510 |
field_buf, *field_val; |
1511 |
item_val= item->val_decimal(&item_buf); |
|
1512 |
if (item->null_value) |
|
1513 |
return 1; // This must be true |
|
1514 |
field_val= field->val_decimal(&field_buf); |
|
2030.1.2
by Brian Aker
First pass in refactoring of the name of my_decimal. |
1515 |
return !class_decimal_cmp(item_val, field_val); |
1
by brian
clean slate |
1516 |
}
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1517 |
|
1
by brian
clean slate |
1518 |
double result= item->val_real(); |
1519 |
if (item->null_value) |
|
1520 |
return 1; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1521 |
|
1
by brian
clean slate |
1522 |
return result == field->val_real(); |
1523 |
}
|
|
1524 |
||
1525 |
/**
|
|
575.4.7
by Monty Taylor
More header cleanup. |
1526 |
Create field for temporary table using type of given item.
|
1527 |
||
1528 |
@param session Thread handler
|
|
1529 |
@param item Item to create a field for
|
|
1530 |
@param table Temporary table
|
|
1531 |
@param copy_func If set and item is a function, store copy of
|
|
1532 |
item in this array
|
|
1533 |
@param modify_item 1 if item->result_field should point to new
|
|
1534 |
item. This is relevent for how fill_record()
|
|
1535 |
is going to work:
|
|
1536 |
If modify_item is 1 then fill_record() will
|
|
1537 |
update the record in the original table.
|
|
1538 |
If modify_item is 0 then fill_record() will
|
|
1539 |
update the temporary table
|
|
1540 |
@param convert_blob_length If >0 create a varstring(convert_blob_length)
|
|
1541 |
field instead of blob.
|
|
1542 |
||
1543 |
@retval
|
|
1544 |
0 on error
|
|
1545 |
@retval
|
|
1546 |
new_created field
|
|
1547 |
*/
|
|
1548 |
static Field *create_tmp_field_from_item(Session *, |
|
1549 |
Item *item, Table *table, |
|
1550 |
Item ***copy_func, bool modify_item, |
|
1551 |
uint32_t convert_blob_length) |
|
1552 |
{
|
|
1553 |
bool maybe_null= item->maybe_null; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1554 |
Field *new_field= NULL; |
575.4.7
by Monty Taylor
More header cleanup. |
1555 |
|
1556 |
switch (item->result_type()) { |
|
1557 |
case REAL_RESULT: |
|
1558 |
new_field= new Field_double(item->max_length, maybe_null, |
|
1559 |
item->name, item->decimals, true); |
|
1560 |
break; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1561 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1562 |
case INT_RESULT: |
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1563 |
/*
|
575.4.7
by Monty Taylor
More header cleanup. |
1564 |
Select an integer type with the minimal fit precision.
|
1565 |
MY_INT32_NUM_DECIMAL_DIGITS is sign inclusive, don't consider the sign.
|
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1566 |
Values with MY_INT32_NUM_DECIMAL_DIGITS digits may or may not fit into
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1567 |
Int32 -> make them field::Int64.
|
575.4.7
by Monty Taylor
More header cleanup. |
1568 |
*/
|
2008.2.3
by Brian Aker
Fixing up a, somewhat, hidden unsigned type to solve a few issues around |
1569 |
if (item->unsigned_flag) |
1570 |
{
|
|
2430.1.6
by Olaf van der Spek
Merge trunk |
1571 |
new_field= new field::Size(item->max_length, maybe_null, item->name, item->unsigned_flag); |
2008.2.3
by Brian Aker
Fixing up a, somewhat, hidden unsigned type to solve a few issues around |
1572 |
}
|
2430.1.6
by Olaf van der Spek
Merge trunk |
1573 |
else if (item->max_length >= MY_INT32_NUM_DECIMAL_DIGITS - 1) |
2008.2.3
by Brian Aker
Fixing up a, somewhat, hidden unsigned type to solve a few issues around |
1574 |
{
|
2430.1.6
by Olaf van der Spek
Merge trunk |
1575 |
new_field= new field::Int64(item->max_length, maybe_null, item->name, item->unsigned_flag); |
2008.2.3
by Brian Aker
Fixing up a, somewhat, hidden unsigned type to solve a few issues around |
1576 |
}
|
575.4.7
by Monty Taylor
More header cleanup. |
1577 |
else
|
2008.2.3
by Brian Aker
Fixing up a, somewhat, hidden unsigned type to solve a few issues around |
1578 |
{
|
2430.1.6
by Olaf van der Spek
Merge trunk |
1579 |
new_field= new field::Int32(item->max_length, maybe_null, item->name, item->unsigned_flag); |
2008.2.3
by Brian Aker
Fixing up a, somewhat, hidden unsigned type to solve a few issues around |
1580 |
}
|
1581 |
||
575.4.7
by Monty Taylor
More header cleanup. |
1582 |
break; |
2008
by Brian Aker
Formatting + remove default from switch/case. |
1583 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1584 |
case STRING_RESULT: |
1585 |
assert(item->collation.collation); |
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1586 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1587 |
/*
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1588 |
DATE/TIME fields have STRING_RESULT result type.
|
575.4.7
by Monty Taylor
More header cleanup. |
1589 |
To preserve type they needed to be handled separately.
|
1590 |
*/
|
|
2167.3.2
by Brian Aker
Make use of isDateTime |
1591 |
if (field::isDateTime(item->field_type())) |
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1592 |
{
|
575.4.7
by Monty Taylor
More header cleanup. |
1593 |
new_field= item->tmp_table_field_from_field_type(table, 1); |
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1594 |
/*
|
1595 |
Make sure that the blob fits into a Field_varstring which has
|
|
1596 |
2-byte lenght.
|
|
1597 |
*/
|
|
1598 |
}
|
|
575.4.7
by Monty Taylor
More header cleanup. |
1599 |
else if (item->max_length/item->collation.collation->mbmaxlen > 255 && |
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1600 |
convert_blob_length <= Field_varstring::MAX_SIZE && |
575.4.7
by Monty Taylor
More header cleanup. |
1601 |
convert_blob_length) |
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1602 |
{
|
1603 |
table->setVariableWidth(); |
|
575.4.7
by Monty Taylor
More header cleanup. |
1604 |
new_field= new Field_varstring(convert_blob_length, maybe_null, |
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1605 |
item->name, item->collation.collation); |
1606 |
}
|
|
575.4.7
by Monty Taylor
More header cleanup. |
1607 |
else
|
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1608 |
{
|
575.4.7
by Monty Taylor
More header cleanup. |
1609 |
new_field= item->make_string_field(table); |
1835.1.3
by Brian Aker
Fix variable such that we no longer pass share to varstring on creation. |
1610 |
}
|
575.4.7
by Monty Taylor
More header cleanup. |
1611 |
new_field->set_derivation(item->collation.derivation); |
1612 |
break; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1613 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1614 |
case DECIMAL_RESULT: |
1615 |
{
|
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1616 |
uint8_t dec= item->decimals; |
1617 |
uint8_t intg= ((Item_decimal *) item)->decimal_precision() - dec; |
|
1618 |
uint32_t len= item->max_length; |
|
575.4.7
by Monty Taylor
More header cleanup. |
1619 |
|
1620 |
/*
|
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1621 |
Trying to put too many digits overall in a DECIMAL(prec,dec)
|
1622 |
will always throw a warning. We must limit dec to
|
|
1623 |
DECIMAL_MAX_SCALE however to prevent an assert() later.
|
|
575.4.7
by Monty Taylor
More header cleanup. |
1624 |
*/
|
1625 |
||
2008
by Brian Aker
Formatting + remove default from switch/case. |
1626 |
if (dec > 0) |
1627 |
{
|
|
1628 |
signed int overflow; |
|
1629 |
||
1630 |
dec= min(dec, (uint8_t)DECIMAL_MAX_SCALE); |
|
1631 |
||
1632 |
/*
|
|
1633 |
If the value still overflows the field with the corrected dec,
|
|
1634 |
we'll throw out decimals rather than integers. This is still
|
|
1635 |
bad and of course throws a truncation warning.
|
|
1636 |
+1: for decimal point
|
|
1637 |
*/
|
|
1638 |
||
2030.1.2
by Brian Aker
First pass in refactoring of the name of my_decimal. |
1639 |
overflow= class_decimal_precision_to_length(intg + dec, dec, |
2008
by Brian Aker
Formatting + remove default from switch/case. |
1640 |
item->unsigned_flag) - len; |
1641 |
||
1642 |
if (overflow > 0) |
|
1643 |
dec= max(0, dec - overflow); // too long, discard fract |
|
1644 |
else
|
|
1645 |
len-= item->decimals - dec; // corrected value fits |
|
1646 |
}
|
|
1647 |
||
1648 |
new_field= new Field_decimal(len, |
|
1649 |
maybe_null, |
|
1650 |
item->name, |
|
1651 |
dec, |
|
1652 |
item->unsigned_flag); |
|
1653 |
break; |
|
575.4.7
by Monty Taylor
More header cleanup. |
1654 |
}
|
1655 |
||
1656 |
case ROW_RESULT: |
|
1657 |
// This case should never be choosen
|
|
1658 |
assert(0); |
|
1996.2.1
by Brian Aker
uuid type code. |
1659 |
abort(); |
575.4.7
by Monty Taylor
More header cleanup. |
1660 |
}
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1661 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1662 |
if (new_field) |
1663 |
new_field->init(table); |
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1664 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1665 |
if (copy_func && item->is_result_field()) |
1666 |
*((*copy_func)++) = item; // Save for copy_funcs |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1667 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1668 |
if (modify_item) |
1669 |
item->set_result_field(new_field); |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1670 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1671 |
if (item->type() == Item::NULL_ITEM) |
1672 |
new_field->is_created_from_null_item= true; |
|
2008
by Brian Aker
Formatting + remove default from switch/case. |
1673 |
|
575.4.7
by Monty Taylor
More header cleanup. |
1674 |
return new_field; |
1675 |
}
|
|
1676 |
||
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1677 |
Field *create_tmp_field(Session *session, |
1678 |
Table *table, |
|
1679 |
Item *item, |
|
1273.2.3
by Stewart Smith
cleanup trailing whitespace |
1680 |
Item::Type type, |
1681 |
Item ***copy_func, |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1682 |
Field **from_field, |
1273.2.3
by Stewart Smith
cleanup trailing whitespace |
1683 |
Field **default_field, |
1684 |
bool group, |
|
1055.2.12
by Jay Pipes
Documentation and style cleanup on Item class |
1685 |
bool modify_item, |
1686 |
bool make_copy_field, |
|
575.4.7
by Monty Taylor
More header cleanup. |
1687 |
uint32_t convert_blob_length) |
1688 |
{
|
|
1689 |
Field *result; |
|
1690 |
Item::Type orig_type= type; |
|
1691 |
Item *orig_item= 0; |
|
1692 |
||
1693 |
if (type != Item::FIELD_ITEM && |
|
1694 |
item->real_item()->type() == Item::FIELD_ITEM) |
|
1695 |
{
|
|
1696 |
orig_item= item; |
|
1697 |
item= item->real_item(); |
|
1698 |
type= Item::FIELD_ITEM; |
|
1699 |
}
|
|
1700 |
||
1701 |
switch (type) { |
|
1702 |
case Item::SUM_FUNC_ITEM: |
|
1703 |
{
|
|
1704 |
Item_sum *item_sum=(Item_sum*) item; |
|
1705 |
result= item_sum->create_tmp_field(group, table, convert_blob_length); |
|
1706 |
if (!result) |
|
1707 |
my_error(ER_OUT_OF_RESOURCES, MYF(ME_FATALERROR)); |
|
1708 |
return result; |
|
1709 |
}
|
|
1710 |
case Item::FIELD_ITEM: |
|
1711 |
case Item::DEFAULT_VALUE_ITEM: |
|
1712 |
{
|
|
1713 |
Item_field *field= (Item_field*) item; |
|
1714 |
bool orig_modify= modify_item; |
|
1715 |
if (orig_type == Item::REF_ITEM) |
|
1716 |
modify_item= 0; |
|
1717 |
/*
|
|
1718 |
If item have to be able to store NULLs but underlaid field can't do it,
|
|
1719 |
create_tmp_field_from_field() can't be used for tmp field creation.
|
|
1720 |
*/
|
|
1721 |
if (field->maybe_null && !field->field->maybe_null()) |
|
1722 |
{
|
|
1723 |
result= create_tmp_field_from_item(session, item, table, NULL, |
|
1724 |
modify_item, convert_blob_length); |
|
1725 |
*from_field= field->field; |
|
1726 |
if (result && modify_item) |
|
1727 |
field->result_field= result; |
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1728 |
}
|
575.4.7
by Monty Taylor
More header cleanup. |
1729 |
else
|
1996.2.1
by Brian Aker
uuid type code. |
1730 |
{
|
575.4.7
by Monty Taylor
More header cleanup. |
1731 |
result= create_tmp_field_from_field(session, (*from_field= field->field), |
1732 |
orig_item ? orig_item->name : |
|
1733 |
item->name, |
|
1734 |
table, |
|
1735 |
modify_item ? field : |
|
1736 |
NULL, |
|
1737 |
convert_blob_length); |
|
1996.2.1
by Brian Aker
uuid type code. |
1738 |
}
|
575.4.7
by Monty Taylor
More header cleanup. |
1739 |
if (orig_type == Item::REF_ITEM && orig_modify) |
1740 |
((Item_ref*)orig_item)->set_result_field(result); |
|
1741 |
if (field->field->eq_def(result)) |
|
1742 |
*default_field= field->field; |
|
1743 |
return result; |
|
1744 |
}
|
|
1745 |
/* Fall through */
|
|
1746 |
case Item::FUNC_ITEM: |
|
1747 |
/* Fall through */
|
|
1748 |
case Item::COND_ITEM: |
|
1749 |
case Item::FIELD_AVG_ITEM: |
|
1750 |
case Item::FIELD_STD_ITEM: |
|
1751 |
case Item::SUBSELECT_ITEM: |
|
1752 |
/* The following can only happen with 'CREATE TABLE ... SELECT' */
|
|
1753 |
case Item::PROC_ITEM: |
|
1754 |
case Item::INT_ITEM: |
|
1755 |
case Item::REAL_ITEM: |
|
1756 |
case Item::DECIMAL_ITEM: |
|
1757 |
case Item::STRING_ITEM: |
|
1758 |
case Item::REF_ITEM: |
|
1759 |
case Item::NULL_ITEM: |
|
1760 |
case Item::VARBIN_ITEM: |
|
1761 |
if (make_copy_field) |
|
1762 |
{
|
|
1763 |
assert(((Item_result_field*)item)->result_field); |
|
1764 |
*from_field= ((Item_result_field*)item)->result_field; |
|
1765 |
}
|
|
1766 |
return create_tmp_field_from_item(session, item, table, |
|
1767 |
(make_copy_field ? 0 : copy_func), |
|
1768 |
modify_item, convert_blob_length); |
|
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
1769 |
case Item::TYPE_HOLDER: |
575.4.7
by Monty Taylor
More header cleanup. |
1770 |
result= ((Item_type_holder *)item)->make_field_by_type(table); |
1771 |
result->set_derivation(item->collation.derivation); |
|
1772 |
return result; |
|
1773 |
default: // Dosen't have to be stored |
|
681
by Brian Aker
Style cleanup |
1774 |
return NULL; |
575.4.7
by Monty Taylor
More header cleanup. |
1775 |
}
|
1776 |
}
|
|
1777 |
||
1992.5.1
by Brian Aker
Additional cerr output bits for a few classes (Item, Field,...) |
1778 |
std::ostream& operator<<(std::ostream& output, const Item &item) |
1779 |
{
|
|
2015.1.3
by Brian Aker
Merge in CAST operators for SIGNED/UNSIGNED |
1780 |
switch (item.type()) |
1781 |
{
|
|
1782 |
case drizzled::Item::SUBSELECT_ITEM : |
|
1783 |
case drizzled::Item::FIELD_ITEM : |
|
1784 |
case drizzled::Item::SUM_FUNC_ITEM : |
|
1785 |
case drizzled::Item::STRING_ITEM : |
|
1786 |
case drizzled::Item::INT_ITEM : |
|
1787 |
case drizzled::Item::REAL_ITEM : |
|
1788 |
case drizzled::Item::NULL_ITEM : |
|
1789 |
case drizzled::Item::VARBIN_ITEM : |
|
1790 |
case drizzled::Item::COPY_STR_ITEM : |
|
1791 |
case drizzled::Item::FIELD_AVG_ITEM : |
|
1792 |
case drizzled::Item::DEFAULT_VALUE_ITEM : |
|
1793 |
case drizzled::Item::PROC_ITEM : |
|
1794 |
case drizzled::Item::COND_ITEM : |
|
1795 |
case drizzled::Item::REF_ITEM : |
|
1796 |
case drizzled::Item::FIELD_STD_ITEM : |
|
1797 |
case drizzled::Item::FIELD_VARIANCE_ITEM : |
|
1798 |
case drizzled::Item::INSERT_VALUE_ITEM : |
|
1799 |
case drizzled::Item::ROW_ITEM: |
|
1800 |
case drizzled::Item::CACHE_ITEM : |
|
1801 |
case drizzled::Item::TYPE_HOLDER : |
|
1802 |
case drizzled::Item::PARAM_ITEM : |
|
1803 |
case drizzled::Item::DECIMAL_ITEM : |
|
1804 |
case drizzled::Item::FUNC_ITEM : |
|
2023.2.8
by Brian Aker
Manage merge |
1805 |
case drizzled::Item::BOOLEAN_ITEM : |
2015.1.3
by Brian Aker
Merge in CAST operators for SIGNED/UNSIGNED |
1806 |
{
|
1807 |
output << "Item:("; |
|
1808 |
output << item.full_name(); |
|
1809 |
output << ", "; |
|
1810 |
output << drizzled::display::type(item.type()); |
|
1811 |
output << ")"; |
|
1812 |
}
|
|
1813 |
break; |
|
1814 |
}
|
|
1992.5.1
by Brian Aker
Additional cerr output bits for a few classes (Item, Field,...) |
1815 |
|
1816 |
return output; // for multiple << operators. |
|
1817 |
}
|
|
1818 |
||
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
1819 |
} /* namespace drizzled */ |