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This commit is contained in:
Ignacio Galarza 2009-03-19 09:58:56 -04:00
commit e8c13e6a54
14 changed files with 283 additions and 72 deletions
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2
client/my_readline.h
View File

@ -29,5 +29,5 @@ typedef struct st_line_buffer
extern LINE_BUFFER *batch_readline_init(ulong max_size,FILE *file);
extern LINE_BUFFER *batch_readline_command(LINE_BUFFER *buffer, my_string str);
extern char *batch_readline(LINE_BUFFER *buffer);
extern char *batch_readline(LINE_BUFFER *buffer, bool *truncated);
extern void batch_readline_end(LINE_BUFFER *buffer);

24
client/mysql.cc
View File

@ -112,6 +112,8 @@ extern "C" {
#define PROMPT_CHAR '\\'
#define DEFAULT_DELIMITER ";"
#define MAX_BATCH_BUFFER_SIZE (1024L * 1024L)
typedef struct st_status
{
int exit_status;
@ -1035,7 +1037,7 @@ static void fix_history(String *final_command);
static COMMANDS *find_command(char *name,char cmd_name);
static bool add_line(String &buffer,char *line,char *in_string,
bool *ml_comment);
bool *ml_comment, bool truncated);
static void remove_cntrl(String &buffer);
static void print_table_data(MYSQL_RES *result);
static void print_table_data_html(MYSQL_RES *result);
@ -1117,7 +1119,7 @@ int main(int argc,char *argv[])
exit(1);
}
if (status.batch && !status.line_buff &&
!(status.line_buff=batch_readline_init(opt_max_allowed_packet+512,stdin)))
!(status.line_buff= batch_readline_init(MAX_BATCH_BUFFER_SIZE, stdin)))
{
free_defaults(defaults_argv);
my_end(0);
@ -1197,7 +1199,7 @@ int main(int argc,char *argv[])
#endif
sprintf(buff, "%s",
#ifndef NOT_YET
"Type 'help;' or '\\h' for help. Type '\\c' to clear the buffer.\n");
"Type 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.\n");
#else
"Type 'help [[%]function name[%]]' to get help on usage of function.\n");
#endif
@ -1766,13 +1768,14 @@ static int read_and_execute(bool interactive)
ulong line_number=0;
bool ml_comment= 0;
COMMANDS *com;
bool truncated= 0;
status.exit_status=1;
for (;;)
{
if (!interactive)
{
line=batch_readline(status.line_buff);
line=batch_readline(status.line_buff, &truncated);
/*
Skip UTF8 Byte Order Marker (BOM) 0xEFBBBF.
Editors like "notepad" put this marker in
@ -1891,7 +1894,7 @@ static int read_and_execute(bool interactive)
#endif
continue;
}
if (add_line(glob_buffer,line,&in_string,&ml_comment))
if (add_line(glob_buffer,line,&in_string,&ml_comment, truncated))
break;
}
/* if in batch mode, send last query even if it doesn't end with \g or go */
@ -1977,7 +1980,7 @@ static COMMANDS *find_command(char *name,char cmd_char)
static bool add_line(String &buffer,char *line,char *in_string,
bool *ml_comment)
bool *ml_comment, bool truncated)
{
uchar inchar;
char buff[80], *pos, *out;
@ -2224,9 +2227,10 @@ static bool add_line(String &buffer,char *line,char *in_string,
{
uint length=(uint) (out-line);
if (length < 9 ||
my_strnncoll (charset_info,
(uchar *)line, 9, (const uchar *) "delimiter", 9))
if (!truncated &&
(length < 9 ||
my_strnncoll (charset_info,
(uchar *)line, 9, (const uchar *) "delimiter", 9)))
{
/*
Don't add a new line in case there's a DELIMITER command to be
@ -3886,7 +3890,7 @@ static int com_source(String *buffer, char *line)
return put_info(buff, INFO_ERROR, 0);
}
if (!(line_buff=batch_readline_init(opt_max_allowed_packet+512,sql_file)))
if (!(line_buff= batch_readline_init(MAX_BATCH_BUFFER_SIZE, sql_file)))
{
my_fclose(sql_file,MYF(0));
return put_info("Can't initialize batch_readline", INFO_ERROR, 0);

3
client/mysqldump.c
View File

@ -3577,7 +3577,8 @@ char check_if_ignore_table(const char *table_name, char *table_type)
If these two types, we do want to skip dumping the table
*/
if (!opt_no_data &&
(!strcmp(table_type,"MRG_MyISAM") || !strcmp(table_type,"MRG_ISAM")))
(!strcmp(table_type,"MRG_MyISAM") || !strcmp(table_type,"MRG_ISAM") ||
!strcmp(table_type,"FEDERATED")))
result= IGNORE_DATA;
}
mysql_free_result(res);

46
client/readline.cc
View File

@ -24,7 +24,7 @@ static bool init_line_buffer(LINE_BUFFER *buffer,File file,ulong size,
ulong max_size);
static bool init_line_buffer_from_string(LINE_BUFFER *buffer,my_string str);
static uint fill_buffer(LINE_BUFFER *buffer);
static char *intern_read_line(LINE_BUFFER *buffer,ulong *out_length);
static char *intern_read_line(LINE_BUFFER *buffer, ulong *out_length, bool *truncated);
LINE_BUFFER *batch_readline_init(ulong max_size,FILE *file)
@ -42,12 +42,13 @@ LINE_BUFFER *batch_readline_init(ulong max_size,FILE *file)
}
char *batch_readline(LINE_BUFFER *line_buff)
char *batch_readline(LINE_BUFFER *line_buff, bool *truncated)
{
char *pos;
ulong out_length;
DBUG_ASSERT(truncated != NULL);
if (!(pos=intern_read_line(line_buff,&out_length)))
if (!(pos=intern_read_line(line_buff,&out_length, truncated)))
return 0;
if (out_length && pos[out_length-1] == '\n')
if (--out_length && pos[out_length-1] == '\r') /* Remove '\n' */
@ -149,6 +150,14 @@ static uint fill_buffer(LINE_BUFFER *buffer)
read_count=(buffer->bufread - bufbytes)/IO_SIZE;
if ((read_count*=IO_SIZE))
break;
if (buffer->bufread * 2 > buffer->max_size)
{
/*
So we must grow the buffer but we cannot due to the max_size limit.
Return 0 w/o setting buffer->eof to signal this condition.
*/
return 0;
}
buffer->bufread *= 2;
if (!(buffer->buffer = (char*) my_realloc(buffer->buffer,
buffer->bufread+1,
@ -172,11 +181,15 @@ static uint fill_buffer(LINE_BUFFER *buffer)
DBUG_PRINT("fill_buff", ("Got %d bytes", read_count));
/* Kludge to pretend every nonempty file ends with a newline. */
if (!read_count && bufbytes && buffer->end[-1] != '\n')
if (!read_count)
{
buffer->eof = read_count = 1;
*buffer->end = '\n';
buffer->eof = 1;
/* Kludge to pretend every nonempty file ends with a newline. */
if (bufbytes && buffer->end[-1] != '\n')
{
read_count = 1;
*buffer->end = '\n';
}
}
buffer->end_of_line=(buffer->start_of_line=buffer->buffer)+bufbytes;
buffer->end+=read_count;
@ -186,7 +199,7 @@ static uint fill_buffer(LINE_BUFFER *buffer)
char *intern_read_line(LINE_BUFFER *buffer,ulong *out_length)
char *intern_read_line(LINE_BUFFER *buffer, ulong *out_length, bool *truncated)
{
char *pos;
uint length;
@ -200,14 +213,23 @@ char *intern_read_line(LINE_BUFFER *buffer,ulong *out_length)
pos++;
if (pos == buffer->end)
{
if ((uint) (pos - buffer->start_of_line) < buffer->max_size)
/*
fill_buffer() can return 0 either on EOF in which case we abort
or when the internal buffer has hit the size limit. In the latter case
return what we have read so far and signal string truncation.
*/
if (!(length=fill_buffer(buffer)) || length == (uint) -1)
{
if (!(length=fill_buffer(buffer)) || length == (uint) -1)
DBUG_RETURN(0);
continue;
if (buffer->eof)
DBUG_RETURN(0);
}
else
continue;
pos--; /* break line here */
*truncated= 1;
}
else
*truncated= 0;
buffer->end_of_line=pos+1;
*out_length=(ulong) (pos + 1 - buffer->eof - buffer->start_of_line);
DBUG_RETURN(buffer->start_of_line);

19
mysql-test/r/ctype_collate.result
View File

@ -611,3 +611,22 @@ check table t1 extended;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
select least(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci);
least(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci)
a
create table t1
select least(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci) as f1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` varchar(1) character set latin5 NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
select case _latin1'a' when _latin2'b' then 1 when _latin5'c' collate
latin5_turkish_ci then 2 else 3 end;
case _latin1'a' when _latin2'b' then 1 when _latin5'c' collate
latin5_turkish_ci then 2 else 3 end
3
select concat(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci);
concat(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci)
abc

20
mysql-test/r/federated.result
View File

@ -2094,6 +2094,26 @@ SELECT t1.a FROM t1, t1 as t2 WHERE t2.b NOT LIKE t1.b;
a
DROP TABLE t1;
DROP TABLE t1;
#
# BUG#21360 - mysqldump error on federated tables
#
#Switch to Connection Slave
CREATE TABLE t1(id VARCHAR(20) NOT NULL, PRIMARY KEY(id));
INSERT INTO t1 VALUES ('text1'),('text2'),('text3'),('text4');
#Switch to Connection Master
CREATE TABLE t1(id VARCHAR(20) NOT NULL, PRIMARY KEY(id)) ENGINE=FEDERATED
CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
# Dump table t1 using mysqldump tool
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `t1` (
`id` varchar(20) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=FEDERATED DEFAULT CHARSET=latin1 CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
/*!40101 SET character_set_client = @saved_cs_client */;
DROP TABLE t1;
#Switch to Connection Slave
DROP TABLE t1;
End of 5.0 tests
SET @@GLOBAL.CONCURRENT_INSERT= @OLD_MASTER_CONCURRENT_INSERT;
SET @@GLOBAL.CONCURRENT_INSERT= @OLD_SLAVE_CONCURRENT_INSERT;

9
mysql-test/r/mysql.result
View File

@ -192,4 +192,13 @@ delimiter
1
1
1
set @old_max_allowed_packet = @@global.max_allowed_packet;
set @@global.max_allowed_packet = 2 * 1024 * 1024 + 1024;
CREATE TABLE t1(data LONGBLOB);
INSERT INTO t1 SELECT REPEAT('1', 2*1024*1024);
SELECT LENGTH(data) FROM t1;
LENGTH(data)
2097152
DROP TABLE t1;
set @@global.max_allowed_packet = @old_max_allowed_packet;
End of 5.0 tests

16
mysql-test/r/union.result
View File

@ -1447,12 +1447,12 @@ SELECT a FROM t1
UNION
SELECT a FROM t1
) alias;
SELECT a INTO OUTFILE 'union.out.file' FROM (
SELECT a INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM (
SELECT a FROM t1
UNION
SELECT a FROM t1 WHERE 0
) alias;
SELECT a INTO DUMPFILE 'union.out.file2' FROM (
SELECT a INTO DUMPFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM (
SELECT a FROM t1
UNION
SELECT a FROM t1 WHERE 0
@ -1465,21 +1465,21 @@ SELECT a INTO @v FROM t1
SELECT a FROM (
SELECT a FROM t1
UNION
SELECT a INTO OUTFILE 'union.out.file3' FROM t1
SELECT a INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM t1
) alias;
SELECT a FROM (
SELECT a FROM t1
UNION
SELECT a INTO DUMPFILE 'union.out.file4' FROM t1
SELECT a INTO DUMPFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM t1
) alias;
SELECT a FROM t1 UNION SELECT a INTO @v FROM t1;
SELECT a FROM t1 UNION SELECT a INTO OUTFILE 'union.out.file5' FROM t1;
SELECT a FROM t1 UNION SELECT a INTO OUTFILE 'union.out.file6' FROM t1;
SELECT a FROM t1 UNION SELECT a INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM t1;
SELECT a FROM t1 UNION SELECT a INTO DUMPFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM t1;
SELECT a INTO @v FROM t1 UNION SELECT a FROM t1;
ERROR HY000: Incorrect usage of UNION and INTO
SELECT a INTO OUTFILE 'union.out.file7' FROM t1 UNION SELECT a FROM t1;
SELECT a INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM t1 UNION SELECT a FROM t1;
ERROR HY000: Incorrect usage of UNION and INTO
SELECT a INTO DUMPFILE 'union.out.file8' FROM t1 UNION SELECT a FROM t1;
SELECT a INTO DUMPFILE '<MYSQLTEST_VARDIR>/tmp/union.out.file' FROM t1 UNION SELECT a FROM t1;
ERROR HY000: Incorrect usage of UNION and INTO
DROP TABLE t1;
CREATE TABLE t1 (a INT);

14
mysql-test/t/ctype_collate.test
View File

@ -229,3 +229,17 @@ insert into t1 set a=0x6c;
insert into t1 set a=0x4c98;
check table t1 extended;
drop table t1;
#
# Bug#41627 Illegal mix of collations in LEAST / GREATEST / CASE
#
select least(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci);
create table t1
select least(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci) as f1;
show create table t1;
drop table t1;
select case _latin1'a' when _latin2'b' then 1 when _latin5'c' collate
latin5_turkish_ci then 2 else 3 end;
select concat(_latin1'a',_latin2'b',_latin5'c' collate latin5_turkish_ci);

22
mysql-test/t/federated.test
View File

@ -1843,6 +1843,28 @@ DROP TABLE t1;
connection master;
DROP TABLE t1;
--echo #
--echo # BUG#21360 - mysqldump error on federated tables
--echo #
connection slave;
--echo #Switch to Connection Slave
CREATE TABLE t1(id VARCHAR(20) NOT NULL, PRIMARY KEY(id));
INSERT INTO t1 VALUES ('text1'),('text2'),('text3'),('text4');
connection master;
--echo #Switch to Connection Master
--replace_result $SLAVE_MYPORT SLAVE_PORT
eval CREATE TABLE t1(id VARCHAR(20) NOT NULL, PRIMARY KEY(id)) ENGINE=FEDERATED
CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/test/t1';
--echo # Dump table t1 using mysqldump tool
--replace_result $SLAVE_MYPORT SLAVE_PORT
--exec $MYSQL_DUMP --compact test t1
DROP TABLE t1;
connection slave;
--echo #Switch to Connection Slave
DROP TABLE t1;
connection default;
--echo End of 5.0 tests

33
mysql-test/t/mysql.test
View File

@ -341,4 +341,37 @@ EOF
remove_file $MYSQLTEST_VARDIR/tmp/bug31060.sql;
#
# Bug #41486: extra character appears in BLOB for every ~40Mb after
# mysqldump/import
#
# Have to change the global variable as the session variable is
# read-only.
set @old_max_allowed_packet = @@global.max_allowed_packet;
# 2 MB blob length + some space for the rest of INSERT query
set @@global.max_allowed_packet = 2 * 1024 * 1024 + 1024;
# Create a new connection since the global max_allowed_packet
# has no effect for the current connection
connect (con1, localhost, root,,);
connection con1;
CREATE TABLE t1(data LONGBLOB);
INSERT INTO t1 SELECT REPEAT('1', 2*1024*1024);
--exec $MYSQL_DUMP test t1 >$MYSQLTEST_VARDIR/tmp/bug41486.sql
# Check that the mysql client does not insert extra newlines when loading
# strings longer than client's max_allowed_packet
--exec $MYSQL --max_allowed_packet=1M test < $MYSQLTEST_VARDIR/tmp/bug41486.sql 2>&1
SELECT LENGTH(data) FROM t1;
remove_file $MYSQLTEST_VARDIR/tmp/bug41486.sql;
DROP TABLE t1;
connection default;
disconnect con1;
set @@global.max_allowed_packet = @old_max_allowed_packet;
--echo End of 5.0 tests

51
mysql-test/t/union.test
View File

@ -933,17 +933,25 @@ SELECT a INTO @v FROM (
SELECT a FROM t1
) alias;
SELECT a INTO OUTFILE 'union.out.file' FROM (
SELECT a FROM t1
UNION
SELECT a FROM t1 WHERE 0
) alias;
--let $outfile = $MYSQLTEST_VARDIR/tmp/union.out.file
--error 0,1
--remove_file $outfile
SELECT a INTO DUMPFILE 'union.out.file2' FROM (
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
eval SELECT a INTO OUTFILE '$outfile' FROM (
SELECT a FROM t1
UNION
SELECT a FROM t1 WHERE 0
) alias;
--remove_file $outfile
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
eval SELECT a INTO DUMPFILE '$outfile' FROM (
SELECT a FROM t1
UNION
SELECT a FROM t1 WHERE 0
) alias;
--remove_file $outfile
#
# INTO will not be allowed in subqueries in version 5.1 and above.
@ -954,27 +962,42 @@ SELECT a FROM (
SELECT a INTO @v FROM t1
) alias;
SELECT a FROM (
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
eval SELECT a FROM (
SELECT a FROM t1
UNION
SELECT a INTO OUTFILE 'union.out.file3' FROM t1
SELECT a INTO OUTFILE '$outfile' FROM t1
) alias;
--remove_file $outfile
SELECT a FROM (
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
eval SELECT a FROM (
SELECT a FROM t1
UNION
SELECT a INTO DUMPFILE 'union.out.file4' FROM t1
SELECT a INTO DUMPFILE '$outfile' FROM t1
) alias;
--remove_file $outfile
SELECT a FROM t1 UNION SELECT a INTO @v FROM t1;
SELECT a FROM t1 UNION SELECT a INTO OUTFILE 'union.out.file5' FROM t1;
SELECT a FROM t1 UNION SELECT a INTO OUTFILE 'union.out.file6' FROM t1;
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
eval SELECT a FROM t1 UNION SELECT a INTO OUTFILE '$outfile' FROM t1;
--remove_file $outfile
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
eval SELECT a FROM t1 UNION SELECT a INTO DUMPFILE '$outfile' FROM t1;
--remove_file $outfile
--error ER_WRONG_USAGE
SELECT a INTO @v FROM t1 UNION SELECT a FROM t1;
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
--error ER_WRONG_USAGE
SELECT a INTO OUTFILE 'union.out.file7' FROM t1 UNION SELECT a FROM t1;
eval SELECT a INTO OUTFILE '$outfile' FROM t1 UNION SELECT a FROM t1;
--replace_result $MYSQLTEST_VARDIR <MYSQLTEST_VARDIR>
--error ER_WRONG_USAGE
SELECT a INTO DUMPFILE 'union.out.file8' FROM t1 UNION SELECT a FROM t1;
eval SELECT a INTO DUMPFILE '$outfile' FROM t1 UNION SELECT a FROM t1;
DROP TABLE t1;

19
sql/item.cc
View File

@ -1498,7 +1498,8 @@ bool DTCollation::aggregate(DTCollation &dt, uint flags)
else
{
// Cannot apply conversion
set(0, DERIVATION_NONE, 0);
set(&my_charset_bin, DERIVATION_NONE,
(dt.repertoire|repertoire));
return 1;
}
}
@ -1581,15 +1582,31 @@ bool agg_item_collations(DTCollation &c, const char *fname,
{
uint i;
Item **arg;
bool unknown_cs= 0;
c.set(av[0]->collation);
for (i= 1, arg= &av[item_sep]; i < count; i++, arg++)
{
if (c.aggregate((*arg)->collation, flags))
{
if (c.derivation == DERIVATION_NONE &&
c.collation == &my_charset_bin)
{
unknown_cs= 1;
continue;
}
my_coll_agg_error(av, count, fname, item_sep);
return TRUE;
}
}
if (unknown_cs &&
c.derivation != DERIVATION_EXPLICIT)
{
my_coll_agg_error(av, count, fname, item_sep);
return TRUE;
}
if ((flags & MY_COLL_DISALLOW_NONE) &&
c.derivation == DERIVATION_NONE)
{

77
sql/tztime.cc
View File

@ -1871,6 +1871,12 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
#ifdef ABBR_ARE_USED
char chars[max(TZ_MAX_CHARS + 1, (2 * (MY_TZNAME_MAX + 1)))];
#endif
/*
Used as a temporary tz_info until we decide that we actually want to
allocate and keep the tz info and tz name in tz_storage.
*/
TIME_ZONE_INFO tmp_tz_info;
memset(&tmp_tz_info, 0, sizeof(TIME_ZONE_INFO));
DBUG_ENTER("tz_load_from_open_tables");
@ -1914,7 +1920,8 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
Most probably user has mistyped time zone name, so no need to bark here
unless we need it for debugging.
*/
sql_print_error("Can't find description of time zone '%s'", tz_name_buff);
sql_print_error("Can't find description of time zone '%.*s'",
tz_name->length(), tz_name->ptr());
#endif
goto end;
}
@ -1943,8 +1950,8 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
/* If Uses_leap_seconds == 'Y' */
if (table->field[1]->val_int() == 1)
{
tz_info->leapcnt= tz_leapcnt;
tz_info->lsis= tz_lsis;
tmp_tz_info.leapcnt= tz_leapcnt;
tmp_tz_info.lsis= tz_lsis;
}
(void)table->file->ha_index_end();
@ -1981,18 +1988,18 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
#ifdef ABBR_ARE_USED
// FIXME should we do something with duplicates here ?
table->field[4]->val_str(&abbr, &abbr);
if (tz_info->charcnt + abbr.length() + 1 > sizeof(chars))
if (tmp_tz_info.charcnt + abbr.length() + 1 > sizeof(chars))
{
sql_print_error("Error while loading time zone description from "
"mysql.time_zone_transition_type table: not enough "
"room for abbreviations");
goto end;
}
ttis[ttid].tt_abbrind= tz_info->charcnt;
memcpy(chars + tz_info->charcnt, abbr.ptr(), abbr.length());
tz_info->charcnt+= abbr.length();
chars[tz_info->charcnt]= 0;
tz_info->charcnt++;
ttis[ttid].tt_abbrind= tmp_tz_info.charcnt;
memcpy(chars + tmp_tz_info.charcnt, abbr.ptr(), abbr.length());
tmp_tz_info.charcnt+= abbr.length();
chars[tmp_tz_info.charcnt]= 0;
tmp_tz_info.charcnt++;
DBUG_PRINT("info",
("time_zone_transition_type table: tz_id=%u tt_id=%u tt_gmtoff=%ld "
@ -2005,9 +2012,9 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
#endif
/* ttid is increasing because we are reading using index */
DBUG_ASSERT(ttid >= tz_info->typecnt);
DBUG_ASSERT(ttid >= tmp_tz_info.typecnt);
tz_info->typecnt= ttid + 1;
tmp_tz_info.typecnt= ttid + 1;
res= table->file->index_next_same(table->record[0],
(byte*)table->field[0]->ptr, 4);
@ -2040,14 +2047,14 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
ttime= (my_time_t)table->field[1]->val_int();
ttid= (uint)table->field[2]->val_int();
if (tz_info->timecnt + 1 > TZ_MAX_TIMES)
if (tmp_tz_info.timecnt + 1 > TZ_MAX_TIMES)
{
sql_print_error("Error while loading time zone description from "
"mysql.time_zone_transition table: "
"too much transitions");
goto end;
}
if (ttid + 1 > tz_info->typecnt)
if (ttid + 1 > tmp_tz_info.typecnt)
{
sql_print_error("Error while loading time zone description from "
"mysql.time_zone_transition table: "
@ -2055,9 +2062,9 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
goto end;
}
ats[tz_info->timecnt]= ttime;
types[tz_info->timecnt]= ttid;
tz_info->timecnt++;
ats[tmp_tz_info.timecnt]= ttime;
types[tmp_tz_info.timecnt]= ttid;
tmp_tz_info.timecnt++;
DBUG_PRINT("info",
("time_zone_transition table: tz_id: %u tt_time: %lu tt_id: %u",
@ -2081,6 +2088,34 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
(void)table->file->ha_index_end();
table= 0;
/*
Let us check how correct our time zone description is. We don't check for
tz->timecnt < 1 since it is ok for GMT.
*/
if (tmp_tz_info.typecnt < 1)
{
sql_print_error("loading time zone without transition types");
goto end;
}
/* Allocate memory for the timezone info and timezone name in tz_storage. */
if (!(alloc_buff= (char*) alloc_root(&tz_storage, sizeof(TIME_ZONE_INFO) +
tz_name->length() + 1)))
{
sql_print_error("Out of memory while loading time zone description");
return 0;
}
/* Move the temporary tz_info into the allocated area */
tz_info= (TIME_ZONE_INFO *)alloc_buff;
memcpy(tz_info, &tmp_tz_info, sizeof(TIME_ZONE_INFO));
tz_name_buff= alloc_buff + sizeof(TIME_ZONE_INFO);
/*
By writing zero to the end we guarantee that we can call ptr()
instead of c_ptr() for time zone name.
*/
strmake(tz_name_buff, tz_name->ptr(), tz_name->length());
/*
Now we will allocate memory and init TIME_ZONE_INFO structure.
*/
@ -2112,15 +2147,7 @@ tz_load_from_open_tables(const String *tz_name, TABLE_LIST *tz_tables)
tz_info->ttis= (TRAN_TYPE_INFO *)alloc_buff;
memcpy(tz_info->ttis, ttis, tz_info->typecnt * sizeof(TRAN_TYPE_INFO));
/*
Let us check how correct our time zone description and build
reversed map. We don't check for tz->timecnt < 1 since it ok for GMT.
*/
if (tz_info->typecnt < 1)
{
sql_print_error("loading time zone without transition types");
goto end;
}
/* Build reversed map. */
if (prepare_tz_info(tz_info, &tz_storage))
{
sql_print_error("Unable to build mktime map for time zone");