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Limit created keys to MAX_KEY_LENGTH.

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Fix problem with query cache and database names
This commit is contained in:
monty@hundin.mysql.fi
2001-12-23 02:43:46 +02:00
parent 95a3bfac1d
commit d2cae57402
7 changed files with 101 additions and 41 deletions
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21
sql/sql_parse.cc
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@ -840,25 +840,32 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
case COM_QUERY:
{
char *pos=packet-1+packet_length; // Point at end null
/* Remove garage at end of query */
packet_length--; // Remove end null
/* Remove garage at start and end of query */
while (isspace(packet[0]) && packet_length > 0)
{
packet++;
packet_length--;
}
char *pos=packet+packet_length; // Point at end null
while (packet_length > 0 && (pos[-1] == ';' || isspace(pos[-1])))
{
pos--;
packet_length--;
}
thd->query_length= packet_length;
/* We must allocate some extra memory for query cache */
if (!(thd->query= (char*) thd->memdup_w_gap((gptr) (packet),
packet_length+1,
thd->db_length+1)))
packet_length,
thd->db_length+2)))
break;
thd->query[packet_length]=0;
thd->packet.shrink(net_buffer_length); // Reclaim some memory
if (!(specialflag & SPECIAL_NO_PRIOR))
my_pthread_setprio(pthread_self(),QUERY_PRIOR);
mysql_log.write(thd,command,"%s",thd->query);
DBUG_PRINT("query",("%s",thd->query));
mysql_parse(thd,thd->query,packet_length-1);
DBUG_PRINT("query",("'%s'",thd->query));
/* thd->query_length is set by mysql_parse() */
mysql_parse(thd,thd->query,packet_length);
if (!(specialflag & SPECIAL_NO_PRIOR))
my_pthread_setprio(pthread_self(),WAIT_PRIOR);
DBUG_PRINT("info",("query ready"));