diff options
Diffstat (limited to 'src/backend/parser/gram.y')
| -rw-r--r-- | src/backend/parser/gram.y | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index 3f67aaf30e..2f7bd662e8 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -310,6 +310,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); %type <defelt> vac_analyze_option_elem %type <list> vac_analyze_option_list %type <node> vac_analyze_option_arg +%type <defelt> drop_option %type <boolean> opt_or_replace opt_grant_grant_option opt_grant_admin_option opt_nowait opt_if_exists opt_with_data @@ -406,6 +407,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); TriggerTransitions TriggerReferencing publication_name_list vacuum_relation_list opt_vacuum_relation_list + drop_option_list %type <list> group_by_list %type <node> group_by_item empty_grouping_set rollup_clause cube_clause @@ -10213,7 +10215,7 @@ AlterDatabaseSetStmt: /***************************************************************************** * - * DROP DATABASE [ IF EXISTS ] + * DROP DATABASE [ IF EXISTS ] dbname [ [ WITH ] ( options ) ] * * This is implicitly CASCADE, no need for drop behavior *****************************************************************************/ @@ -10223,6 +10225,7 @@ DropdbStmt: DROP DATABASE database_name DropdbStmt *n = makeNode(DropdbStmt); n->dbname = $3; n->missing_ok = false; + n->options = NULL; $$ = (Node *)n; } | DROP DATABASE IF_P EXISTS database_name @@ -10230,10 +10233,48 @@ DropdbStmt: DROP DATABASE database_name DropdbStmt *n = makeNode(DropdbStmt); n->dbname = $5; n->missing_ok = true; + n->options = NULL; $$ = (Node *)n; } + | DROP DATABASE database_name opt_with '(' drop_option_list ')' + { + DropdbStmt *n = makeNode(DropdbStmt); + n->dbname = $3; + n->missing_ok = false; + n->options = $6; + $$ = (Node *)n; + } + | DROP DATABASE IF_P EXISTS database_name opt_with '(' drop_option_list ')' + { + DropdbStmt *n = makeNode(DropdbStmt); + n->dbname = $5; + n->missing_ok = true; + n->options = $8; + $$ = (Node *)n; + } + ; + +drop_option_list: + drop_option + { + $$ = list_make1((Node *) $1); + } + | drop_option_list ',' drop_option + { + $$ = lappend($1, (Node *) $3); + } ; +/* + * Currently only the FORCE option is supported, but the syntax is designed + * to be extensible so that we can add more options in the future if required. + */ +drop_option: + FORCE + { + $$ = makeDefElem("force", NULL, @1); + } + ; /***************************************************************************** * |