1
/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
4
* Copyright (C) 2010 Brian Aker
6
* This program is free software; you can redistribute it and/or modify
7
* it under the terms of the GNU General Public License as published by
8
* the Free Software Foundation; either version 2 of the License, or
9
* (at your option) any later version.
11
* This program is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14
* GNU General Public License for more details.
16
* You should have received a copy of the GNU General Public License
17
* along with this program; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23
#include <drizzled/gettext.h>
24
#include <drizzled/error.h>
25
#include <drizzled/query_id.h>
26
#include <drizzled/session.h>
27
#include <drizzled/internal/my_sys.h>
28
#include <drizzled/internal/m_string.h>
31
#include <boost/program_options.hpp>
32
#include <drizzled/module/option_map.h>
33
#include <drizzled/util/tokenize.h>
34
#include "drizzle_protocol.h"
36
namespace po= boost::program_options;
37
using namespace drizzled;
40
namespace drizzle_plugin
42
namespace drizzle_protocol
45
std::vector<std::string> ClientDrizzleProtocol::drizzle_admin_ip_addresses;
46
static port_constraint port;
47
static timeout_constraint connect_timeout;
48
static timeout_constraint read_timeout;
49
static timeout_constraint write_timeout;
50
static retry_constraint retry_count;
51
static buffer_constraint buffer_length;
53
static const uint32_t DRIZZLE_TCP_PORT= 4427;
55
ProtocolCounters *ListenDrizzleProtocol::drizzle_counters= new ProtocolCounters();
57
ListenDrizzleProtocol::~ListenDrizzleProtocol()
61
in_port_t ListenDrizzleProtocol::getPort(void) const
66
void ClientDrizzleProtocol::drizzle_compose_ip_addresses(vector<string> options)
68
for (vector<string>::iterator it= options.begin();
72
tokenize(*it, drizzle_admin_ip_addresses, ",", true);
76
bool ClientDrizzleProtocol::isAdminAllowed(void)
78
if (std::find(drizzle_admin_ip_addresses.begin(), drizzle_admin_ip_addresses.end(), session->user()->address()) != drizzle_admin_ip_addresses.end())
84
plugin::Client *ListenDrizzleProtocol::getClient(int fd)
87
new_fd= acceptTcp(fd);
91
return new ClientDrizzleProtocol(new_fd, getCounters());
94
static int init(drizzled::module::Context &context)
96
const module::option_map &vm= context.getOptions();
98
ListenDrizzleProtocol *protocol=new ListenDrizzleProtocol("drizzle_protocol", vm["bind-address"].as<std::string>(), true);
99
protocol->addCountersToTable();
100
context.add(protocol);
101
context.registerVariable(new sys_var_constrained_value_readonly<in_port_t>("port", port));
102
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("connect_timeout", connect_timeout));
103
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("read_timeout", read_timeout));
104
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("write_timeout", write_timeout));
105
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("retry_count", retry_count));
106
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("buffer_length", buffer_length));
107
context.registerVariable(new sys_var_const_string_val("bind_address",
108
vm["bind-address"].as<std::string>()));
110
context.registerVariable(new sys_var_uint32_t_ptr("max-connections", &ListenDrizzleProtocol::drizzle_counters->max_connections));
116
static void init_options(drizzled::module::option_context &context)
119
po::value<port_constraint>(&port)->default_value(DRIZZLE_TCP_PORT),
120
N_("Port number to use for connection or 0 for default to with Drizzle/MySQL protocol."));
121
context("connect-timeout",
122
po::value<timeout_constraint>(&connect_timeout)->default_value(10),
123
N_("Connect Timeout."));
124
context("read-timeout",
125
po::value<timeout_constraint>(&read_timeout)->default_value(30),
126
N_("Read Timeout."));
127
context("write-timeout",
128
po::value<timeout_constraint>(&write_timeout)->default_value(60),
129
N_("Write Timeout."));
130
context("retry-count",
131
po::value<retry_constraint>(&retry_count)->default_value(10),
133
context("buffer-length",
134
po::value<buffer_constraint>(&buffer_length)->default_value(16384),
135
N_("Buffer length."));
136
context("bind-address",
137
po::value<std::string>()->default_value(""),
138
N_("Address to bind to."));
139
context("max-connections",
140
po::value<uint32_t>(&ListenDrizzleProtocol::drizzle_counters->max_connections)->default_value(1000),
141
N_("Maximum simultaneous connections."));
142
context("admin-ip-addresses",
143
po::value<vector<string> >()->composing()->notifier(&ClientDrizzleProtocol::drizzle_compose_ip_addresses),
144
N_("A restrictive IP address list for incoming admin connections."));
147
} /* namespace drizzle_protocol */
148
} /* namespace drizzle_plugin */
150
DRIZZLE_PLUGIN(drizzle_plugin::drizzle_protocol::init, NULL, drizzle_plugin::drizzle_protocol::init_options);
1
/* Copyright (C) 2000-2003 MySQL AB
3
This program is free software; you can redistribute it and/or modify
4
it under the terms of the GNU General Public License as published by
5
the Free Software Foundation; version 2 of the License.
7
This program is distributed in the hope that it will be useful,
8
but WITHOUT ANY WARRANTY; without even the implied warranty of
9
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10
GNU General Public License for more details.
12
You should have received a copy of the GNU General Public License
13
along with this program; if not, write to the Free Software
14
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
19
Low level functions for storing data to be send to the MySQL client.
20
The actual communction is handled by the net_xxx functions in net_serv.cc
22
#include <drizzled/server_includes.h>
23
#include <drizzled/drizzled_error_messages.h>
25
static const unsigned int PACKET_BUFFER_EXTRA_ALLOC= 1024;
26
/* Declared non-static only because of the embedded library. */
27
static void net_send_error_packet(THD *thd, uint sql_errno, const char *err);
28
static void write_eof_packet(THD *thd, NET *net,
29
uint server_status, uint total_warn_count);
31
bool Protocol::net_store_data(const uchar *from, size_t length)
33
ulong packet_length=packet->length();
35
The +9 comes from that strings of length longer than 16M require
36
9 bytes to be stored (see net_store_length).
38
if (packet_length+9+length > packet->alloced_length() &&
39
packet->realloc(packet_length+9+length))
41
uchar *to= net_store_length((uchar*) packet->ptr()+packet_length, length);
42
memcpy(to,from,length);
43
packet->length((uint) (to+length-(uchar*) packet->ptr()));
51
net_store_data() - extended version with character set conversion.
53
It is optimized for short strings whose length after
54
conversion is garanteed to be less than 251, which accupies
55
exactly one byte to store length. It allows not to use
56
the "convert" member as a temporary buffer, conversion
57
is done directly to the "packet" member.
58
The limit 251 is good enough to optimize send_fields()
59
because column, table, database names fit into this limit.
62
bool Protocol::net_store_data(const uchar *from, size_t length,
63
const CHARSET_INFO * const from_cs,
64
const CHARSET_INFO * const to_cs)
67
/* Calculate maxumum possible result length */
68
uint conv_length= to_cs->mbmaxlen * length / from_cs->mbminlen;
69
if (conv_length > 250)
72
For strings with conv_length greater than 250 bytes
73
we don't know how many bytes we will need to store length: one or two,
74
because we don't know result length until conversion is done.
75
For example, when converting from utf8 (mbmaxlen=3) to latin1,
76
conv_length=300 means that the result length can vary between 100 to 300.
77
length=100 needs one byte, length=300 needs to bytes.
79
Thus conversion directly to "packet" is not worthy.
80
Let's use "convert" as a temporary buffer.
82
return (convert->copy((const char*) from, length, from_cs,
83
to_cs, &dummy_errors) ||
84
net_store_data((const uchar*) convert->ptr(), convert->length()));
87
ulong packet_length= packet->length();
88
ulong new_length= packet_length + conv_length + 1;
90
if (new_length > packet->alloced_length() && packet->realloc(new_length))
93
char *length_pos= (char*) packet->ptr() + packet_length;
94
char *to= length_pos + 1;
96
to+= copy_and_convert(to, conv_length, to_cs,
97
(const char*) from, length, from_cs, &dummy_errors);
99
net_store_length((uchar*) length_pos, to - length_pos - 1);
100
packet->length((uint) (to - packet->ptr()));
106
Send a error string to client.
109
net_printf_error and net_send_error are low-level functions
110
that shall be used only when a new connection is being
111
established or at server startup.
113
For SIGNAL/RESIGNAL and GET DIAGNOSTICS functionality it's
114
critical that every error that can be intercepted is issued in one
115
place only, my_message_sql.
117
void net_send_error(THD *thd, uint sql_errno, const char *err)
120
assert(err && err[0]);
123
It's one case when we can push an error even though there
124
is an OK or EOF already.
126
thd->main_da.can_overwrite_status= true;
128
/* Abort multi-result sets */
129
thd->server_status&= ~SERVER_MORE_RESULTS_EXISTS;
131
net_send_error_packet(thd, sql_errno, err);
133
thd->main_da.can_overwrite_status= false;
137
Return ok to the client.
139
The ok packet has the following structure:
141
- 0 : Marker (1 byte)
142
- affected_rows : Stored in 1-9 bytes
143
- id : Stored in 1-9 bytes
144
- server_status : Copy of thd->server_status; Can be used by client
145
to check if we are inside an transaction.
147
- warning_count : Stored in 2 bytes; New in 4.1 protocol
148
- message : Stored as packed length (1-9 bytes) + message.
149
Is not stored if no message.
151
@param thd Thread handler
152
@param affected_rows Number of rows changed by statement
153
@param id Auto_increment id for first row (if used)
154
@param message Message to send to the client (Used by mysql_status)
158
net_send_ok(THD *thd,
159
uint server_status, uint total_warn_count,
160
ha_rows affected_rows, uint64_t id, const char *message)
163
uchar buff[DRIZZLE_ERRMSG_SIZE+10],*pos;
165
if (! net->vio) // hack for re-parsing queries
170
buff[0]=0; // No fields
171
pos=net_store_length(buff+1,affected_rows);
172
pos=net_store_length(pos, id);
174
int2store(pos, server_status);
177
/* We can only return up to 65535 warnings in two bytes */
178
uint tmp= cmin(total_warn_count, (uint)65535);
182
thd->main_da.can_overwrite_status= true;
184
if (message && message[0])
185
pos= net_store_data(pos, (uchar*) message, strlen(message));
186
my_net_write(net, buff, (size_t) (pos-buff));
189
thd->main_da.can_overwrite_status= false;
193
Send eof (= end of result set) to the client.
195
The eof packet has the following structure:
197
- 254 (DRIZZLE_PROTOCOL_NO_MORE_DATA) : Marker (1 byte)
198
- warning_count : Stored in 2 bytes; New in 4.1 protocol
199
- status_flag : Stored in 2 bytes;
200
For flags like SERVER_MORE_RESULTS_EXISTS.
202
Note that the warning count will not be sent if 'no_flush' is set as
203
we don't want to report the warning count until all data is sent to the
206
@param thd Thread handler
207
@param no_flush Set to 1 if there will be more data to the client,
208
like in send_fields().
212
net_send_eof(THD *thd, uint server_status, uint total_warn_count)
215
/* Set to true if no active vio, to work well in case of --init-file */
218
thd->main_da.can_overwrite_status= true;
219
write_eof_packet(thd, net, server_status, total_warn_count);
221
thd->main_da.can_overwrite_status= false;
227
Format EOF packet according to the current protocol and
228
write it to the network output buffer.
231
static void write_eof_packet(THD *thd, NET *net,
233
uint total_warn_count)
237
Don't send warn count during SP execution, as the warn_list
238
is cleared between substatements, and mysqltest gets confused
240
uint tmp= cmin(total_warn_count, (uint)65535);
241
buff[0]= DRIZZLE_PROTOCOL_NO_MORE_DATA;
242
int2store(buff+1, tmp);
244
The following test should never be true, but it's better to do it
245
because if 'is_fatal_error' is set the server is not going to execute
246
other queries (see the if test in dispatch_command / COM_QUERY)
248
if (thd->is_fatal_error)
249
server_status&= ~SERVER_MORE_RESULTS_EXISTS;
250
int2store(buff + 3, server_status);
251
my_net_write(net, buff, 5);
254
void net_send_error_packet(THD *thd, uint sql_errno, const char *err)
259
buff[]: sql_errno:2 + ('#':1 + SQLSTATE_LENGTH:5) + DRIZZLE_ERRMSG_SIZE:512
261
uchar buff[2+1+SQLSTATE_LENGTH+DRIZZLE_ERRMSG_SIZE], *pos;
268
int2store(buff,sql_errno);
271
/* The first # is to make the protocol backward compatible */
273
pos= (uchar*) my_stpcpy((char*) buff+3, drizzle_errno_to_sqlstate(sql_errno));
275
length= (uint) (strmake((char*) pos, err, DRIZZLE_ERRMSG_SIZE-1) -
279
net_write_command(net,(uchar) 255, (uchar*) "", 0, (uchar*) err, length);
285
Faster net_store_length when we know that length is less than 65536.
286
We keep a separate version for that range because it's widely used in
289
uint is used as agrument type because of MySQL type conventions:
291
- ulong for 0..4294967296
292
- uint64_t for bigger numbers.
295
static uchar *net_store_length_fast(uchar *packet, uint length)
299
*packet=(uchar) length;
303
int2store(packet,(uint) length);
308
Send the status of the current statement execution over network.
310
@param thd in fact, carries two parameters, NET for the transport and
311
Diagnostics_area as the source of status information.
313
In MySQL, there are two types of SQL statements: those that return
314
a result set and those that return status information only.
316
If a statement returns a result set, it consists of 3 parts:
317
- result set meta-data
318
- variable number of result set rows (can be 0)
319
- followed and terminated by EOF or ERROR packet
321
Once the client has seen the meta-data information, it always
322
expects an EOF or ERROR to terminate the result set. If ERROR is
323
received, the result set rows are normally discarded (this is up
324
to the client implementation, libmysql at least does discard them).
325
EOF, on the contrary, means "successfully evaluated the entire
326
result set". Since we don't know how many rows belong to a result
327
set until it's evaluated, EOF/ERROR is the indicator of the end
328
of the row stream. Note, that we can not buffer result set rows
329
on the server -- there may be an arbitrary number of rows. But
330
we do buffer the last packet (EOF/ERROR) in the Diagnostics_area and
331
delay sending it till the very end of execution (here), to be able to
332
change EOF to an ERROR if commit failed or some other error occurred
333
during the last cleanup steps taken after execution.
335
A statement that does not return a result set doesn't send result
336
set meta-data either. Instead it returns one of:
339
Similarly to the EOF/ERROR of the previous statement type, OK/ERROR
340
packet is "buffered" in the diagnostics area and sent to the client
341
in the end of statement.
343
@pre The diagnostics area is assigned or disabled. It can not be empty
344
-- we assume that every SQL statement or COM_* command
345
generates OK, ERROR, or EOF status.
347
@post The status information is encoded to protocol format and sent to the
350
@return We conventionally return void, since the only type of error
351
that can happen here is a NET (transport) error, and that one
352
will become visible when we attempt to read from the NET the
354
Diagnostics_area::is_sent is set for debugging purposes only.
357
void net_end_statement(THD *thd)
359
assert(! thd->main_da.is_sent);
361
/* Can not be true, but do not take chances in production. */
362
if (thd->main_da.is_sent)
365
switch (thd->main_da.status()) {
366
case Diagnostics_area::DA_ERROR:
367
/* The query failed, send error to log and abort bootstrap. */
369
thd->main_da.sql_errno(),
370
thd->main_da.message());
372
case Diagnostics_area::DA_EOF:
374
thd->main_da.server_status(),
375
thd->main_da.total_warn_count());
377
case Diagnostics_area::DA_OK:
379
thd->main_da.server_status(),
380
thd->main_da.total_warn_count(),
381
thd->main_da.affected_rows(),
382
thd->main_da.last_insert_id(),
383
thd->main_da.message());
385
case Diagnostics_area::DA_DISABLED:
387
case Diagnostics_area::DA_EMPTY:
390
net_send_ok(thd, thd->server_status, thd->total_warn_count,
394
thd->main_da.is_sent= true;
398
/****************************************************************************
399
Functions used by the protocol functions (like net_send_ok) to store
400
strings and numbers in the header result packet.
401
****************************************************************************/
403
/* The following will only be used for short strings < 65K */
405
uchar *net_store_data(uchar *to, const uchar *from, size_t length)
407
to=net_store_length_fast(to,length);
408
memcpy(to,from,length);
412
uchar *net_store_data(uchar *to,int32_t from)
415
uint length=(uint) (int10_to_str(from,buff,10)-buff);
416
to=net_store_length_fast(to,length);
417
memcpy(to,buff,length);
421
uchar *net_store_data(uchar *to,int64_t from)
424
uint length=(uint) (int64_t10_to_str(from,buff,10)-buff);
425
to=net_store_length_fast(to,length);
426
memcpy(to,buff,length);
431
/*****************************************************************************
432
Default Protocol functions
433
*****************************************************************************/
435
void Protocol::init(THD *thd_arg)
438
packet= &thd->packet;
439
convert= &thd->convert_buffer;
443
Finish the result set with EOF packet, as is expected by the client,
444
if there is an error evaluating the next row and a continue handler
448
void Protocol::end_partial_result_set(THD *thd)
450
net_send_eof(thd, thd->server_status, 0 /* no warnings, we're inside SP */);
454
bool Protocol::flush()
456
return net_flush(&thd->net);
461
Send name and type of result to client.
463
Sum fields has table name empty and field_name.
465
@param THD Thread data object
466
@param list List of items to send to client
467
@param flag Bit mask with the following functions:
468
- 1 send number of rows
469
- 2 send default values
470
- 4 don't write eof packet
475
1 Error (Note that in this case the error is not sent to the
478
bool Protocol::send_fields(List<Item> *list, uint flags)
480
List_iterator_fast<Item> it(*list);
483
String tmp((char*) buff,sizeof(buff),&my_charset_bin);
484
Protocol_text prot(thd);
485
String *local_packet= prot.storage_packet();
486
const CHARSET_INFO * const thd_charset= thd->variables.character_set_results;
488
if (flags & SEND_NUM_ROWS)
489
{ // Packet with number of elements
490
uchar *pos= net_store_length(buff, list->elements);
491
(void) my_net_write(&thd->net, buff, (size_t) (pos-buff));
497
const CHARSET_INFO * const cs= system_charset_info;
499
item->make_field(&field);
501
prot.prepare_for_resend();
504
if (prot.store(STRING_WITH_LEN("def"), cs, thd_charset) ||
505
prot.store(field.db_name, (uint) strlen(field.db_name),
507
prot.store(field.table_name, (uint) strlen(field.table_name),
509
prot.store(field.org_table_name, (uint) strlen(field.org_table_name),
511
prot.store(field.col_name, (uint) strlen(field.col_name),
513
prot.store(field.org_col_name, (uint) strlen(field.org_col_name),
515
local_packet->realloc(local_packet->length()+12))
518
/* Store fixed length fields */
519
pos= (char*) local_packet->ptr()+local_packet->length();
520
*pos++= 12; // Length of packed fields
521
if (item->collation.collation == &my_charset_bin || thd_charset == NULL)
524
int2store(pos, field.charsetnr);
525
int4store(pos+2, field.length);
529
/* With conversion */
531
int2store(pos, thd_charset->number);
533
For TEXT/BLOB columns, field_length describes the maximum data
534
length in bytes. There is no limit to the number of characters
535
that a TEXT column can store, as long as the data fits into
536
the designated space.
537
For the rest of textual columns, field_length is evaluated as
538
char_count * mbmaxlen, where character count is taken from the
539
definition of the column. In other words, the maximum number
540
of characters here is limited by the column definition.
542
max_char_len= field.length / item->collation.collation->mbmaxlen;
543
int4store(pos+2, max_char_len * thd_charset->mbmaxlen);
546
int2store(pos+7,field.flags);
547
pos[9]= (char) field.decimals;
548
pos[10]= 0; // For the future
549
pos[11]= 0; // For the future
552
local_packet->length((uint) (pos - local_packet->ptr()));
553
if (flags & SEND_DEFAULTS)
554
item->send(&prot, &tmp); // Send default value
556
break; /* purecov: inspected */
559
if (flags & SEND_EOF)
562
Mark the end of meta-data result set, and store thd->server_status,
563
to show that there is no cursor.
564
Send no warning information, as it will be sent at statement end.
566
write_eof_packet(thd, &thd->net, thd->server_status, thd->total_warn_count);
568
return(prepare_for_send(list));
571
my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES),
572
MYF(0)); /* purecov: inspected */
573
return(1); /* purecov: inspected */
577
bool Protocol::write()
579
return(my_net_write(&thd->net, (uchar*) packet->ptr(),
585
Send \\0 end terminated string.
587
@param from NullS or \\0 terminated string
590
In most cases one should use store(from, length) instead of this function
598
bool Protocol::store(const char *from, const CHARSET_INFO * const cs)
602
uint length= strlen(from);
603
return store(from, length, cs);
608
Send a set of strings as one long string with ',' in between.
611
bool Protocol::store(I_List<i_string>* str_list)
614
String tmp(buf, sizeof(buf), &my_charset_bin);
616
I_List_iterator<i_string> it(*str_list);
625
if ((len= tmp.length()))
626
len--; // Remove last ','
627
return store((char*) tmp.ptr(), len, tmp.charset());
631
/****************************************************************************
632
Functions to handle the simple (default) protocol where everything is
633
This protocol is the one that is used by default between the MySQL server
634
and client when you are not using prepared statements.
636
All data are sent as 'packed-string-length' followed by 'string-data'
637
****************************************************************************/
639
void Protocol_text::prepare_for_resend()
644
bool Protocol_text::store_null()
648
return packet->append(buff, sizeof(buff), PACKET_BUFFER_EXTRA_ALLOC);
653
Auxilary function to convert string to the given character set
654
and store in network buffer.
657
bool Protocol::store_string_aux(const char *from, size_t length,
658
const CHARSET_INFO * const fromcs,
659
const CHARSET_INFO * const tocs)
661
/* 'tocs' is set 0 when client issues SET character_set_results=NULL */
662
if (tocs && !my_charset_same(fromcs, tocs) &&
663
fromcs != &my_charset_bin &&
664
tocs != &my_charset_bin)
666
/* Store with conversion */
667
return net_store_data((uchar*) from, length, fromcs, tocs);
669
/* Store without conversion */
670
return net_store_data((uchar*) from, length);
674
bool Protocol_text::store(const char *from, size_t length,
675
const CHARSET_INFO * const fromcs,
676
const CHARSET_INFO * const tocs)
678
return store_string_aux(from, length, fromcs, tocs);
682
bool Protocol_text::store(const char *from, size_t length,
683
const CHARSET_INFO * const fromcs)
685
const CHARSET_INFO * const tocs= this->thd->variables.character_set_results;
686
return store_string_aux(from, length, fromcs, tocs);
690
bool Protocol_text::store_tiny(int64_t from)
693
return net_store_data((uchar*) buff,
694
(size_t) (int10_to_str((int) from, buff, -10) - buff));
698
bool Protocol_text::store_short(int64_t from)
701
return net_store_data((uchar*) buff,
702
(size_t) (int10_to_str((int) from, buff, -10) -
707
bool Protocol_text::store_long(int64_t from)
710
return net_store_data((uchar*) buff,
711
(size_t) (int10_to_str((long int)from, buff,
712
(from <0)?-10:10)-buff));
716
bool Protocol_text::store_int64_t(int64_t from, bool unsigned_flag)
719
return net_store_data((uchar*) buff,
720
(size_t) (int64_t10_to_str(from,buff,
721
unsigned_flag ? 10 : -10)-
726
bool Protocol_text::store_decimal(const my_decimal *d)
728
char buff[DECIMAL_MAX_STR_LENGTH];
729
String str(buff, sizeof(buff), &my_charset_bin);
730
(void) my_decimal2string(E_DEC_FATAL_ERROR, d, 0, 0, 0, &str);
731
return net_store_data((uchar*) str.ptr(), str.length());
735
bool Protocol_text::store(float from, uint32_t decimals, String *buffer)
737
buffer->set_real((double) from, decimals, thd->charset());
738
return net_store_data((uchar*) buffer->ptr(), buffer->length());
742
bool Protocol_text::store(double from, uint32_t decimals, String *buffer)
744
buffer->set_real(from, decimals, thd->charset());
745
return net_store_data((uchar*) buffer->ptr(), buffer->length());
749
bool Protocol_text::store(Field *field)
751
if (field->is_null())
753
char buff[MAX_FIELD_WIDTH];
754
String str(buff,sizeof(buff), &my_charset_bin);
755
const CHARSET_INFO * const tocs= this->thd->variables.character_set_results;
757
field->val_str(&str);
759
return store_string_aux(str.ptr(), str.length(), str.charset(), tocs);
765
Second_part format ("%06") needs to change when
766
we support 0-6 decimals for time.
769
bool Protocol_text::store(DRIZZLE_TIME *tm)
773
length= sprintf(buff, "%04d-%02d-%02d %02d:%02d:%02d",
781
length+= sprintf(buff+length, ".%06d",
782
(int)tm->second_part);
783
return net_store_data((uchar*) buff, length);
787
bool Protocol_text::store_date(DRIZZLE_TIME *tm)
789
char buff[MAX_DATE_STRING_REP_LENGTH];
790
size_t length= my_date_to_str(tm, buff);
791
return net_store_data((uchar*) buff, length);
797
Second_part format ("%06") needs to change when
798
we support 0-6 decimals for time.
801
bool Protocol_text::store_time(DRIZZLE_TIME *tm)
805
uint day= (tm->year || tm->month) ? 0 : tm->day;
806
length= sprintf(buff, "%s%02ld:%02d:%02d",
808
(long) day*24L+(long) tm->hour,
812
length+= sprintf(buff+length, ".%06d", (int)tm->second_part);
813
return net_store_data((uchar*) buff, length);