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[FEAT MERGE] implement dynamic sampling

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This commit is contained in:
wangt1xiuyi
2023-04-27 12:15:28 +00:00
committed by ob-robot
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
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26
src/sql/parser/sql_parser_mysql_mode.y
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@ -185,6 +185,8 @@ USE_DISTRIBUTED_DML NO_USE_DISTRIBUTED_DML
DIRECT
// hint related to optimizer statistics
APPEND NO_GATHER_OPTIMIZER_STATISTICS GATHER_OPTIMIZER_STATISTICS DBMS_STATS
// optimizer dynamic sampling hint
DYNAMIC_SAMPLING
// other
NEG_SIGN
@ -496,6 +498,8 @@ END_P SET_VAR DELIMITER
%type <node> opt_storage_name opt_calibration_list calibration_info_list
%type <node> switchover_tenant_stmt switchover_clause
%type <node> recover_tenant_stmt recover_point_clause
%type <node> dynamic_sampling_hint
%start sql_stmt
%%
////////////////////////////////////////////////////////////////
@ -9017,6 +9021,10 @@ INDEX_HINT '(' qb_name_option relation_factor_in_hint NAME_OB ')'
{
malloc_non_terminal_node($$, result->malloc_pool_, T_NO_USE_DISTRIBUTED_DML, 1, $2);
}
| DYNAMIC_SAMPLING '(' dynamic_sampling_hint ')'
{
$$ = $3;
}
;
pq_set_hint_desc:
@ -9065,6 +9073,24 @@ INTNUM
}
;
dynamic_sampling_hint:
INTNUM
{
malloc_non_terminal_node($$, result->malloc_pool_, T_DYNAMIC_SAMPLING, 1, $1);
}
| qb_name_option relation_factor_in_hint opt_comma INTNUM
{
(void)$3;
malloc_non_terminal_node($$, result->malloc_pool_, T_TABLE_DYNAMIC_SAMPLING, 4, $1, $2, $4, NULL);
}
| qb_name_option relation_factor_in_hint opt_comma INTNUM opt_comma INTNUM
{
(void)$3;
(void)$5;
malloc_non_terminal_node($$, result->malloc_pool_, T_TABLE_DYNAMIC_SAMPLING, 4, $1, $2, $4, $6);
}
;
consistency_level:
WEAK
{