1223.4.18
by Brian Aker
More TableIdentifier code. |
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) 2009 Sun Microsystems, Inc.
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1223.4.18
by Brian Aker
More TableIdentifier code. |
5 |
*
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* 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; either version 2 of the License, or
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* (at your option) any later version.
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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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*/
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20 |
||
2173.2.1
by Monty Taylor
Fixes incorrect usage of include |
21 |
#include <config.h> |
1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
22 |
|
23 |
#include <assert.h> |
|
1775.5.1
by earney
modified files containing stringstream to use boost:lexical_cast instead as |
24 |
#include <boost/lexical_cast.hpp> |
2173.2.1
by Monty Taylor
Fixes incorrect usage of include |
25 |
#include <drizzled/identifier.h> |
26 |
#include <drizzled/internal/my_sys.h> |
|
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
27 |
|
2087.4.1
by Brian Aker
Merge in schema identifier. |
28 |
#include <drizzled/error.h> |
29 |
#include <drizzled/errmsg_print.h> |
|
30 |
#include <drizzled/gettext.h> |
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31 |
||
32 |
#include <drizzled/table.h> |
|
1417
by Brian Aker
Interface for Stewart. |
33 |
|
2173.2.1
by Monty Taylor
Fixes incorrect usage of include |
34 |
#include <drizzled/util/string.h> |
35 |
#include <drizzled/util/tablename_to_filename.h> |
|
1669.3.7
by Brian Aker
Use different hash now for identifier. |
36 |
|
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
37 |
#include <algorithm> |
38 |
#include <sstream> |
|
1358.1.5
by Brian Aker
Cleans up use of static buffer in TableIdentifier. |
39 |
#include <cstdio> |
1223.4.18
by Brian Aker
More TableIdentifier code. |
40 |
|
1602
by Brian Aker
Update for current_session removal. |
41 |
#include <boost/thread.hpp> |
42 |
||
1223.4.18
by Brian Aker
More TableIdentifier code. |
43 |
using namespace std; |
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
44 |
|
2252.1.20
by Olaf van der Spek
Common fwd |
45 |
namespace drizzled { |
2087.4.1
by Brian Aker
Merge in schema identifier. |
46 |
|
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
47 |
extern std::string drizzle_tmpdir; |
48 |
extern pid_t current_pid; |
|
49 |
||
2087.4.1
by Brian Aker
Merge in schema identifier. |
50 |
namespace identifier { |
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
51 |
|
52 |
static const char hexchars[]= "0123456789abcdef"; |
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53 |
||
54 |
/*
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|
55 |
Translate a cursor name to a table name (WL #1324).
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56 |
||
57 |
SYNOPSIS
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|
58 |
filename_to_tablename()
|
|
59 |
from The cursor name
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|
60 |
to OUT The table name
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|
61 |
to_length The size of the table name buffer.
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62 |
||
63 |
RETURN
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|
64 |
Table name length.
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|
65 |
*/
|
|
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
66 |
uint32_t Table::filename_to_tablename(const char *from, char *to, uint32_t to_length) |
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
67 |
{
|
68 |
uint32_t length= 0; |
|
69 |
||
70 |
if (!memcmp(from, TMP_FILE_PREFIX, TMP_FILE_PREFIX_LENGTH)) |
|
71 |
{
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|
72 |
/* Temporary table name. */
|
|
73 |
length= strlen(strncpy(to, from, to_length)); |
|
74 |
}
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|
75 |
else
|
|
76 |
{
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|
77 |
for (; *from && length < to_length; length++, from++) |
|
78 |
{
|
|
79 |
if (*from != '@') |
|
80 |
{
|
|
81 |
to[length]= *from; |
|
82 |
continue; |
|
83 |
}
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|
84 |
/* We've found an escaped char - skip the @ */
|
|
85 |
from++; |
|
86 |
to[length]= 0; |
|
87 |
/* There will be a two-position hex-char version of the char */
|
|
88 |
for (int x=1; x >= 0; x--) |
|
89 |
{
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|
90 |
if (*from >= '0' && *from <= '9') |
|
91 |
to[length] += ((*from++ - '0') << (4 * x)); |
|
92 |
else if (*from >= 'a' && *from <= 'f') |
|
93 |
to[length] += ((*from++ - 'a' + 10) << (4 * x)); |
|
94 |
}
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|
95 |
/* Backup because we advanced extra in the inner loop */
|
|
96 |
from--; |
|
97 |
}
|
|
98 |
}
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99 |
||
100 |
return length; |
|
101 |
}
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102 |
||
103 |
/*
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|
104 |
Creates path to a cursor: drizzle_tmpdir/#sql1234_12_1.ext
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105 |
||
106 |
SYNOPSIS
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|
107 |
build_tmptable_filename()
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108 |
session The thread handle.
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109 |
buff Where to write result
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110 |
bufflen buff size
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111 |
||
112 |
NOTES
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113 |
||
114 |
Uses current_pid, thread_id, and tmp_table counter to create
|
|
115 |
a cursor name in drizzle_tmpdir.
|
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116 |
||
117 |
RETURN
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|
118 |
path length on success, 0 on failure
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|
119 |
*/
|
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120 |
||
1602
by Brian Aker
Update for current_session removal. |
121 |
#ifdef _GLIBCXX_HAVE_TLS
|
122 |
__thread uint32_t counter= 0; |
|
123 |
||
124 |
static uint32_t get_counter() |
|
125 |
{
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|
126 |
return ++counter; |
|
127 |
}
|
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128 |
||
129 |
#else
|
|
130 |
boost::mutex counter_mutex; |
|
131 |
static uint32_t counter= 1; |
|
132 |
||
133 |
static uint32_t get_counter() |
|
134 |
{
|
|
135 |
boost::mutex::scoped_lock lock(counter_mutex); |
|
2318.9.5
by Olaf van der Spek
Refactor build_table_filename |
136 |
return ++counter; |
1602
by Brian Aker
Update for current_session removal. |
137 |
}
|
138 |
||
139 |
#endif
|
|
140 |
||
2318.9.5
by Olaf van der Spek
Refactor build_table_filename |
141 |
std::string Table::build_tmptable_filename() |
142 |
{
|
|
143 |
ostringstream os; |
|
144 |
os << "/" << TMP_FILE_PREFIX << current_pid << pthread_self() << "-" << get_counter(); |
|
145 |
return drizzle_tmpdir + boost::to_lower_copy(os.str()); |
|
146 |
}
|
|
1618
by Brian Aker
This is a rollup set of patches for modifications to TableIdentifier to have |
147 |
|
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
148 |
/*
|
149 |
Creates path to a cursor: drizzle_data_dir/db/table.ext
|
|
150 |
||
151 |
SYNOPSIS
|
|
152 |
build_table_filename()
|
|
153 |
buff Where to write result
|
|
154 |
This may be the same as table_name.
|
|
155 |
bufflen buff size
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|
156 |
db Database name
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157 |
table_name Table name
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|
158 |
ext File extension.
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1481
by Brian Aker
Remove dead code. |
159 |
flags table_name is temporary, do not change.
|
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
160 |
|
161 |
NOTES
|
|
162 |
||
163 |
Uses database and table name, and extension to create
|
|
164 |
a cursor name in drizzle_data_dir. Database and table
|
|
165 |
names are converted from system_charset_info into "fscs".
|
|
166 |
Unless flags indicate a temporary table name.
|
|
167 |
'db' is always converted.
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|
168 |
'ext' is not converted.
|
|
169 |
||
170 |
The conversion suppression is required for ALTER Table. This
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|
171 |
statement creates intermediate tables. These are regular
|
|
172 |
(non-temporary) tables with a temporary name. Their path names must
|
|
173 |
be derivable from the table name. So we cannot use
|
|
174 |
build_tmptable_filename() for them.
|
|
175 |
||
176 |
RETURN
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|
177 |
path length on success, 0 on failure
|
|
178 |
*/
|
|
179 |
||
2318.9.9
by Olaf van der Spek
Refactor build_table_filename |
180 |
std::string Table::build_table_filename(const std::string &in_db, const std::string &in_table_name, bool is_tmp) |
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
181 |
{
|
2318.9.9
by Olaf van der Spek
Refactor build_table_filename |
182 |
string in_path= util::tablename_to_filename(in_db) + FN_LIBCHAR; |
183 |
return in_path + (is_tmp ? in_table_name : util::tablename_to_filename(in_table_name)); |
|
1309.1.24
by Brian Aker
Moved the build table stuff into table_identifier (all to make it simpler to |
184 |
}
|
185 |
||
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
186 |
Table::Table(const drizzled::Table &table) : |
2440.2.13
by Olaf van der Spek
Refactor |
187 |
identifier::Schema(str_ref(table.getShare()->getSchemaName())), |
1608.2.1
by Brian Aker
Modified to table identifier to fix temporary table creation loss of file. |
188 |
type(table.getShare()->getTableType()), |
189 |
table_name(table.getShare()->getTableName()) |
|
1417
by Brian Aker
Interface for Stewart. |
190 |
{
|
191 |
if (type == message::Table::TEMPORARY) |
|
1574
by Brian Aker
Rollup patch for hiding tableshare. |
192 |
path= table.getShare()->getPath(); |
1417
by Brian Aker
Interface for Stewart. |
193 |
|
194 |
init(); |
|
195 |
}
|
|
196 |
||
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
197 |
void Table::init() |
1395.1.6
by Brian Aker
Modified TableIdentifier output for errors. |
198 |
{
|
2318.9.8
by Olaf van der Spek
Refactor tablename_to_filename() |
199 |
switch (type) |
200 |
{
|
|
1608.2.1
by Brian Aker
Modified to table identifier to fix temporary table creation loss of file. |
201 |
case message::Table::FUNCTION: |
202 |
case message::Table::STANDARD: |
|
2318.9.8
by Olaf van der Spek
Refactor tablename_to_filename() |
203 |
assert(path.empty()); |
2318.9.9
by Olaf van der Spek
Refactor build_table_filename |
204 |
path= build_table_filename(getSchemaName(), table_name, false); |
1608.2.1
by Brian Aker
Modified to table identifier to fix temporary table creation loss of file. |
205 |
break; |
206 |
case message::Table::INTERNAL: |
|
2318.9.5
by Olaf van der Spek
Refactor build_table_filename |
207 |
assert(path.empty()); |
2318.9.9
by Olaf van der Spek
Refactor build_table_filename |
208 |
path= build_table_filename(getSchemaName(), table_name, true); |
1608.2.1
by Brian Aker
Modified to table identifier to fix temporary table creation loss of file. |
209 |
break; |
210 |
case message::Table::TEMPORARY: |
|
211 |
if (path.empty()) |
|
2318.9.5
by Olaf van der Spek
Refactor build_table_filename |
212 |
path= build_tmptable_filename(); |
1608.2.1
by Brian Aker
Modified to table identifier to fix temporary table creation loss of file. |
213 |
break; |
1223.4.18
by Brian Aker
More TableIdentifier code. |
214 |
}
|
215 |
||
2318.9.8
by Olaf van der Spek
Refactor tablename_to_filename() |
216 |
if (type == message::Table::TEMPORARY) |
217 |
{
|
|
218 |
size_t pos= path.find("tmp/#sql"); |
|
219 |
if (pos != std::string::npos) |
|
220 |
key_path= path.substr(pos); |
|
2139.3.2
by Brian Aker
Fix innodb to just directly use the identifier (this way we only need to |
221 |
}
|
222 |
||
2246.4.10
by Olaf van der Spek
Remove const_reference and reference from identifier::Table |
223 |
hash_value= util::insensitive_hash()(path); |
2478.2.1
by Stewart Smith
ensure that Table::Key has the CATALOG along with SCHEMA and TABLE_NAME in it. Modify the (not so great) code in Table and TableShare to handle this too. This is one of the precursors for proper CATALOG support. |
224 |
key.set(getKeySize(), getCatalogName(), getSchemaName(), boost::to_lower_copy(std::string(getTableName()))); |
1608.2.1
by Brian Aker
Modified to table identifier to fix temporary table creation loss of file. |
225 |
}
|
226 |
||
227 |
||
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
228 |
const std::string &Table::getPath() const |
1608.2.1
by Brian Aker
Modified to table identifier to fix temporary table creation loss of file. |
229 |
{
|
1358.1.9
by Brian Aker
Update for std::string |
230 |
return path; |
1223.4.18
by Brian Aker
More TableIdentifier code. |
231 |
}
|
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
232 |
|
2139.3.2
by Brian Aker
Fix innodb to just directly use the identifier (this way we only need to |
233 |
const std::string &Table::getKeyPath() const |
234 |
{
|
|
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
235 |
return key_path.empty() ? path : key_path; |
2139.3.2
by Brian Aker
Fix innodb to just directly use the identifier (this way we only need to |
236 |
}
|
237 |
||
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
238 |
std::string Table::getSQLPath() const // @todo this is just used for errors, we should find a way to optimize it |
1395.1.6
by Brian Aker
Modified TableIdentifier output for errors. |
239 |
{
|
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
240 |
switch (type) |
241 |
{
|
|
1954.2.1
by Brian Aker
getSQLPath() modified to take a string so that we can const the table |
242 |
case message::Table::FUNCTION: |
243 |
case message::Table::STANDARD: |
|
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
244 |
return getSchemaName() + "." + table_name; |
1954.2.1
by Brian Aker
getSQLPath() modified to take a string so that we can const the table |
245 |
case message::Table::INTERNAL: |
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
246 |
return "temporary." + table_name; |
1954.2.1
by Brian Aker
getSQLPath() modified to take a string so that we can const the table |
247 |
case message::Table::TEMPORARY: |
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
248 |
return getSchemaName() + ".#" + table_name; |
1395.1.6
by Brian Aker
Modified TableIdentifier output for errors. |
249 |
}
|
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
250 |
assert(false); |
251 |
return "<no table>"; |
|
1395.1.6
by Brian Aker
Modified TableIdentifier output for errors. |
252 |
}
|
253 |
||
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
254 |
bool Table::isValid() const |
1992.4.1
by Brian Aker
Update code for testing identifiers/table/schema name correctness. |
255 |
{
|
2087.4.1
by Brian Aker
Merge in schema identifier. |
256 |
if (not identifier::Schema::isValid()) |
1992.4.1
by Brian Aker
Update code for testing identifiers/table/schema name correctness. |
257 |
return false; |
258 |
||
259 |
bool error= false; |
|
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
260 |
if (table_name.empty() |
261 |
|| table_name.size() > NAME_LEN |
|
262 |
|| table_name[table_name.length() - 1] == ' ' |
|
263 |
|| table_name[0] == '.') |
|
264 |
{
|
|
265 |
error= true; |
|
266 |
}
|
|
267 |
else
|
|
268 |
{
|
|
2440.2.14
by Olaf van der Spek
Refactor |
269 |
const charset_info_st& cs= my_charset_utf8mb4_general_ci; |
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
270 |
int well_formed_error; |
2440.2.14
by Olaf van der Spek
Refactor |
271 |
uint32_t res= cs.cset->well_formed_len(cs, table_name, NAME_CHAR_LEN, &well_formed_error); |
2246.4.2
by Olaf van der Spek
Refactor Identifier::getSQLPath() |
272 |
if (well_formed_error or table_name.length() != res) |
273 |
error= true; |
|
274 |
}
|
|
275 |
if (not error) |
|
276 |
return true; |
|
277 |
my_error(ER_WRONG_TABLE_NAME, MYF(0), getSQLPath().c_str()); |
|
278 |
return false; |
|
1992.4.1
by Brian Aker
Update code for testing identifiers/table/schema name correctness. |
279 |
}
|
280 |
||
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
281 |
void Table::copyToTableMessage(message::Table &message) const |
1395.1.1
by Brian Aker
Fixes for alter table to make sure that the proto on disk is valid. |
282 |
{
|
283 |
message.set_name(table_name); |
|
1415
by Brian Aker
Mass overhaul to use schema_identifier. |
284 |
message.set_schema(getSchemaName()); |
1395.1.1
by Brian Aker
Fixes for alter table to make sure that the proto on disk is valid. |
285 |
}
|
286 |
||
2478.2.1
by Stewart Smith
ensure that Table::Key has the CATALOG along with SCHEMA and TABLE_NAME in it. Modify the (not so great) code in Table and TableShare to handle this too. This is one of the precursors for proper CATALOG support. |
287 |
void Table::Key::set(size_t resize_arg, const std::string &a, const std::string &b, const std::string &c) |
1878.5.3
by Brian Aker
Update Key to work a bit faster. |
288 |
{
|
289 |
key_buffer.resize(resize_arg); |
|
290 |
||
291 |
std::copy(a.begin(), a.end(), key_buffer.begin()); |
|
292 |
std::copy(b.begin(), b.end(), key_buffer.begin() + a.length() + 1); |
|
2478.2.1
by Stewart Smith
ensure that Table::Key has the CATALOG along with SCHEMA and TABLE_NAME in it. Modify the (not so great) code in Table and TableShare to handle this too. This is one of the precursors for proper CATALOG support. |
293 |
std::copy(c.begin(), c.end(), |
294 |
key_buffer.begin() + a.length() + 1 + b.length() + 1); |
|
1878.5.3
by Brian Aker
Update Key to work a bit faster. |
295 |
|
296 |
util::sensitive_hash hasher; |
|
297 |
hash_value= hasher(key_buffer); |
|
298 |
}
|
|
299 |
||
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
300 |
std::size_t hash_value(Table const& b) |
301 |
{
|
|
302 |
return b.getHashValue(); |
|
303 |
}
|
|
304 |
||
305 |
std::size_t hash_value(Table::Key const& b) |
|
306 |
{
|
|
307 |
return b.getHashValue(); |
|
308 |
}
|
|
309 |
||
2246.4.10
by Olaf van der Spek
Remove const_reference and reference from identifier::Table |
310 |
std::ostream& operator<<(std::ostream& output, const Table& identifier) |
2134.1.7
by Brian Aker
Collapse strings used for table. |
311 |
{
|
2246.4.10
by Olaf van der Spek
Remove const_reference and reference from identifier::Table |
312 |
return output << "Table:(" << identifier.getSchemaName() << ", " << identifier.getTableName() << ", " << message::type(identifier.getType()) << ", " << identifier.getPath() << ", " << identifier.getHashValue() << ")"; |
2134.1.7
by Brian Aker
Collapse strings used for table. |
313 |
}
|
314 |
||
2087.4.2
by Brian Aker
Modify TableIdentifier to fit with the rest of the identifiers. |
315 |
} /* namespace identifier */ |
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
316 |
} /* namespace drizzled */ |