hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

adjust allocate window function operator, enhance pq_distribute_window hint

Browse Source
This commit is contained in:
chimyue
2023-07-19 03:12:22 +00:00
committed by ob-robot
parent 9a244755cd
commit 32636e05c4
20 changed files with 2204 additions and 1204 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
src/sql/parser/sql_parser_mysql_mode.y
View File

@ -182,6 +182,7 @@ USE_HASH_DISTINCT NO_USE_HASH_DISTINCT
DISTINCT_PUSHDOWN NO_DISTINCT_PUSHDOWN
USE_HASH_SET NO_USE_HASH_SET
USE_DISTRIBUTED_DML NO_USE_DISTRIBUTED_DML
PUSHDOWN
// direct load data hint
DIRECT
// hint related to optimizer statistics
@ -384,6 +385,8 @@ END_P SET_VAR DELIMITER
%type <node> case_expr func_expr in_expr sub_query_flag
%type <node> case_arg when_clause_list when_clause case_default
%type <node> window_function opt_partition_by generalized_window_clause win_rows_or_range win_preceding_or_following win_interval win_bounding win_window opt_win_window win_fun_lead_lag_params respect_or_ignore opt_respect_or_ignore_nulls win_fun_first_last_params first_or_last opt_from_first_or_last new_generalized_window_clause new_generalized_window_clause_with_blanket opt_named_windows named_windows named_window
%type <node> win_dist_list win_dist_desc
%type <ival> opt_hash_sort_and_pushdown
%type <node> update_asgn_list update_asgn_factor
%type <node> update_basic_stmt delete_basic_stmt
%type <node> table_element_list table_element column_definition column_definition_ref column_definition_list column_name_list
@ -9427,11 +9430,11 @@ INDEX_HINT '(' qb_name_option relation_factor_in_hint NAME_OB ')'
{
malloc_non_terminal_node($$, result->malloc_pool_, T_PQ_MAP, 2, $3, $4);
}
| PQ_DISTRIBUTE_WINDOW '('qb_name_option opt_comma distribute_method_list')'
| PQ_DISTRIBUTE_WINDOW '('qb_name_option opt_comma win_dist_list')'
{
(void) $4;
ParseNode *method_list = NULL;
merge_nodes(method_list, result, T_DISTRIBUTE_METHOD_LIST, $5);
merge_nodes(method_list, result, T_METHOD_OPT_LIST, $5);
malloc_non_terminal_node($$, result->malloc_pool_, T_PQ_DISTRIBUTE_WINDOW, 2, $3, method_list);
}
| PQ_SET '(' pq_set_hint_desc ')'
@ -9484,6 +9487,56 @@ INDEX_HINT '(' qb_name_option relation_factor_in_hint NAME_OB ')'
}
;
win_dist_list:
win_dist_desc
{
$$ = $1;
}
| win_dist_list opt_comma win_dist_desc
{
(void)($2); /* unused */
malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $1, $3);
}
;
win_dist_desc:
'(' intnum_list ')' distribute_method opt_hash_sort_and_pushdown
{
ParseNode *win_func_idxs = NULL;
merge_nodes(win_func_idxs, result, T_WIN_FUNC_IDX_LIST, $2);
malloc_non_terminal_node($$, result->malloc_pool_, T_METHOD_OPT, 2, win_func_idxs, $4);
$4->value_ = $5[0];
}
| distribute_method opt_hash_sort_and_pushdown
{
malloc_non_terminal_node($$, result->malloc_pool_, T_METHOD_OPT, 2, NULL, $1);
$1->value_ = $2[0];
}
;
opt_hash_sort_and_pushdown:
/*empty*/
{
$$[0] = 0;
}
| PARTITION_SORT
{
$$[0] = 1;
}
| PUSHDOWN
{
$$[0] = 2;
}
| PARTITION_SORT PUSHDOWN
{
$$[0] = 3;
}
| PUSHDOWN PARTITION_SORT
{
$$[0] = 3;
}
;
pq_set_hint_desc:
'@' qb_name_string qb_name_string distribute_method_list
{