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Merge mariadb-10.5.8 into 10.5

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This commit is contained in:
Marko Mäkelä
2020-11-11 17:42:23 +02:00
parent fff469db7f 7da6353b15
commit b4a5ad8db5
7 changed files with 163 additions and 36 deletions
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21
sql/sql_prepare.cc
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@ -3252,10 +3252,19 @@ void mysqld_stmt_execute(THD *thd, char *packet_arg, uint packet_length)
void mysqld_stmt_bulk_execute(THD *thd, char *packet_arg, uint packet_length)
{
uchar *packet= (uchar*)packet_arg; // GCC 4.0.1 workaround
DBUG_ENTER("mysqld_stmt_execute_bulk");
const uint packet_header_lenght= 4 + 2; //ID & 2 bytes of flags
if (packet_length < packet_header_lenght)
{
my_error(ER_MALFORMED_PACKET, MYF(0));
DBUG_VOID_RETURN;
}
ulong stmt_id= uint4korr(packet);
uint flags= (uint) uint2korr(packet + 4);
uchar *packet_end= packet + packet_length;
DBUG_ENTER("mysqld_stmt_execute_bulk");
if (!(thd->client_capabilities &
MARIADB_CLIENT_STMT_BULK_OPERATIONS))
@ -3263,16 +3272,18 @@ void mysqld_stmt_bulk_execute(THD *thd, char *packet_arg, uint packet_length)
DBUG_PRINT("error",
("An attempt to execute bulk operation without support"));
my_error(ER_UNSUPPORTED_PS, MYF(0));
DBUG_VOID_RETURN;
}
/* Check for implemented parameters */
if (flags & (~STMT_BULK_FLAG_CLIENT_SEND_TYPES))
{
DBUG_PRINT("error", ("unsupported bulk execute flags %x", flags));
my_error(ER_UNSUPPORTED_PS, MYF(0));
DBUG_VOID_RETURN;
}
/* stmt id and two bytes of flags */
packet+= 4 + 2;
packet+= packet_header_lenght;
mysql_stmt_execute_common(thd, stmt_id, packet, packet_end, 0, TRUE,
(flags & STMT_BULK_FLAG_CLIENT_SEND_TYPES));
DBUG_VOID_RETURN;
@ -3349,9 +3360,11 @@ stmt_execute_packet_sanity_check(Prepared_statement *stmt,
{
/*
If there is no parameters, this should be normally already end
of the packet. If it's not - then error
of the packet, but it is not a problem if something left (popular
mistake in protocol implementation) because we will not read anymore
from the buffer.
*/
return (packet_end > packet);
return false;
}
return false;
}