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Fix to bug http://bugs.skysql.com/show_bug.cgi?id=488. SHOW VARIABLES was treated as if it was session write command. Instead it is a read-only query. Changed to route that to master.

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VilhoRaatikka
2014-08-31 22:56:30 +03:00
parent 40416d424e
commit 40f85f9cad
3 changed files with 15 additions and 5 deletions
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15
query_classifier/query_classifier.cc
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@ -512,7 +512,15 @@ static skygw_query_type_t resolve_query_type(
}
else if (lex->option_type == OPT_SESSION)
{
type |= QUERY_TYPE_SESSION_WRITE;
/** SHOW commands are all reads to one backend */
if (lex->sql_command == SQLCOM_SHOW_VARIABLES)
{
type |= QUERY_TYPE_SESSION_READ;
}
else
{
type |= QUERY_TYPE_SESSION_WRITE;
}
goto return_qtype;
}
/**
@ -531,10 +539,11 @@ static skygw_query_type_t resolve_query_type(
force_data_modify_op_replication)
{
type |= QUERY_TYPE_SESSION_WRITE;
} else {
}
else
{
type |= QUERY_TYPE_WRITE;
}
goto return_qtype;
}