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fixed #{1330} : add "lock in share mode" function support.

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chengxiang.luo
2023-04-05 10:44:23 +08:00
parent a6201f3d9a
commit a4990f59a6
1 changed files with 43 additions and 24 deletions
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33
src/sql/parser/sql_parser_mysql_mode.y
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@ -388,7 +388,7 @@ END_P SET_VAR DELIMITER
%type <node> simple_select no_table_select limit_clause select_expr_list %type <node> simple_select no_table_select limit_clause select_expr_list
%type <node> with_select with_clause with_list common_table_expr opt_column_alias_name_list alias_name_list column_alias_name %type <node> with_select with_clause with_list common_table_expr opt_column_alias_name_list alias_name_list column_alias_name
%type <node> opt_where opt_hint_value opt_groupby opt_rollup opt_order_by order_by opt_having groupby_clause %type <node> opt_where opt_hint_value opt_groupby opt_rollup opt_order_by order_by opt_having groupby_clause
%type <node> opt_limit_clause limit_expr opt_for_update opt_for_update_wait %type <node> opt_limit_clause limit_expr opt_lock_type opt_for_update opt_for_update_wait opt_lock_in_share_mode
%type <node> sort_list sort_key opt_asc_desc sort_list_for_group_by sort_key_for_group_by opt_asc_desc_for_group_by opt_column_id %type <node> sort_list sort_key opt_asc_desc sort_list_for_group_by sort_key_for_group_by opt_asc_desc_for_group_by opt_column_id
%type <node> opt_query_expression_option_list query_expression_option_list query_expression_option opt_distinct opt_distinct_or_all opt_separator projection %type <node> opt_query_expression_option_list query_expression_option_list query_expression_option opt_distinct opt_distinct_or_all opt_separator projection
%type <node> from_list table_references table_reference table_factor normal_relation_factor dot_relation_factor relation_factor %type <node> from_list table_references table_reference table_factor normal_relation_factor dot_relation_factor relation_factor
@ -7679,23 +7679,36 @@ select_with_parens:
| '(' with_select ')' { $$ = $2; }; | '(' with_select ')' { $$ = $2; };
select_no_parens: select_no_parens:
select_clause opt_for_update select_clause opt_lock_type
{ {
$$ = $1; $$ = $1;
$$->children_[PARSE_SELECT_FOR_UPD] = $2; $$->children_[PARSE_SELECT_FOR_UPD] = $2;
} }
| select_clause_set opt_for_update | select_clause_set opt_lock_type
{ {
$$ = $1; $$ = $1;
$$->children_[PARSE_SELECT_FOR_UPD] = $2; $$->children_[PARSE_SELECT_FOR_UPD] = $2;
} }
| select_clause_set_with_order_and_limit opt_for_update | select_clause_set_with_order_and_limit opt_lock_type
{ {
$$ = $1; $$ = $1;
$$->children_[PARSE_SELECT_FOR_UPD] = $2; $$->children_[PARSE_SELECT_FOR_UPD] = $2;
} }
; ;
opt_lock_type:
/* EMPTY */
{ $$ = NULL; }
| opt_for_update
{
$$ = $1;
}
| opt_lock_in_share_mode
{
$$ = $1;
}
;
no_table_select: no_table_select:
select_with_opt_hint opt_query_expression_option_list select_expr_list into_opt %prec LOWER_PARENS select_with_opt_hint opt_query_expression_option_list select_expr_list into_opt %prec LOWER_PARENS
{ {
@ -9124,14 +9137,20 @@ opt_limit_clause:
; ;
opt_for_update: opt_for_update:
/* EMPTY */ FOR UPDATE opt_for_update_wait
{ $$ = NULL; }
| FOR UPDATE opt_for_update_wait
{ {
$$ = $3; $$ = $3;
} }
; ;
opt_lock_in_share_mode:
LOCK_ IN SHARE MODE
{
malloc_terminal_node($$, result->malloc_pool_, T_SFU_INT);
$$->value_ = -1;
}
;
opt_for_update_wait: opt_for_update_wait:
/* EMPTY */ /* EMPTY */
{ {