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MXS-1043: Handle @@identity like @@last_insert_id

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The type of @@identity, @@last_insert_id and last_insert_id() is
now the same, that is, QUERY_TYPE_READ|QUERY_TYPE_MASTER_READ.
This commit is contained in:
Johan Wikman
2016-12-02 10:58:21 +02:00
parent bc3d6f2ac7
commit 994299b4f1
4 changed files with 32 additions and 6 deletions
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22
query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
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@ -928,11 +928,23 @@ static uint32_t resolve_query_type(parsing_info_t *pi, THD* thd)
/** System session variable */
case Item_func::GSYSVAR_FUNC:
func_qtype |= QUERY_TYPE_SYSVAR_READ;
MXS_DEBUG("%lu [resolve_query_type] "
"functype GSYSVAR_FUNC, system "
"variable read.",
pthread_self());
{
const char* name = item->name;
if (name &&
((strcasecmp(name, "@@last_insert_id") == 0) ||
(strcasecmp(name, "@@identity") == 0)))
{
func_qtype |= QUERY_TYPE_MASTER_READ;
}
else
{
func_qtype |= QUERY_TYPE_SYSVAR_READ;
}
MXS_DEBUG("%lu [resolve_query_type] "
"functype GSYSVAR_FUNC, system "
"variable read.",
pthread_self());
}
break;
/** User-defined variable read */