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-rw-r--r--src/backend/parser/gram.y20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 174773bdf31..5cb82977d5d 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -5610,6 +5610,16 @@ DefineStmt:
n->definition = $4;
$$ = (Node *)n;
}
+ | CREATE COLLATION IF_P NOT EXISTS any_name definition
+ {
+ DefineStmt *n = makeNode(DefineStmt);
+ n->kind = OBJECT_COLLATION;
+ n->args = NIL;
+ n->defnames = $6;
+ n->definition = $7;
+ n->if_not_exists = true;
+ $$ = (Node *)n;
+ }
| CREATE COLLATION any_name FROM any_name
{
DefineStmt *n = makeNode(DefineStmt);
@@ -5619,6 +5629,16 @@ DefineStmt:
n->definition = list_make1(makeDefElem("from", (Node *) $5, @5));
$$ = (Node *)n;
}
+ | CREATE COLLATION IF_P NOT EXISTS any_name FROM any_name
+ {
+ DefineStmt *n = makeNode(DefineStmt);
+ n->kind = OBJECT_COLLATION;
+ n->args = NIL;
+ n->defnames = $6;
+ n->definition = list_make1(makeDefElem("from", (Node *) $8, @8));
+ n->if_not_exists = true;
+ $$ = (Node *)n;
+ }
;
definition: '(' def_list ')' { $$ = $2; }