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disable hash groupby bypass path when estimiate stat

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Larry955
2023-03-09 12:44:37 +00:00
committed by ob-robot
parent 52c3cde4eb
commit 3b47aa7ccd
9 changed files with 33 additions and 6 deletions
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1
src/sql/parser/sql_parser_mysql_mode.l
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@ -938,6 +938,7 @@ Timestamp{whitespace}?\"[^\"]*\" {
}
<hint>NO_GATHER_OPTIMIZER_STATISTICS { return NO_GATHER_OPTIMIZER_STATISTICS; }
<hint>GATHER_OPTIMIZER_STATISTICS { return GATHER_OPTIMIZER_STATISTICS; }
<hint>DBMS_STATS { return DBMS_STATS; }
<hint>LOG_LEVEL { return LOG_LEVEL; }
<hint>LEADING { return LEADING_HINT; }
<hint>ORDERED { return ORDERED; }

6
src/sql/parser/sql_parser_mysql_mode.y
View File

@ -184,7 +184,7 @@ USE_DISTRIBUTED_DML NO_USE_DISTRIBUTED_DML
// direct load data hint
DIRECT
// hint related to optimizer statistics
APPEND NO_GATHER_OPTIMIZER_STATISTICS GATHER_OPTIMIZER_STATISTICS
APPEND NO_GATHER_OPTIMIZER_STATISTICS GATHER_OPTIMIZER_STATISTICS DBMS_STATS
// other
NEG_SIGN
@ -8453,6 +8453,10 @@ READ_CONSISTENCY '(' consistency_level ')'
{
malloc_terminal_node($$, result->malloc_pool_, T_GATHER_OPTIMIZER_STATISTICS);
}
| DBMS_STATS
{
malloc_terminal_node($$, result->malloc_pool_, T_DBMS_STATS);
}
;
transform_hint: