with_ties_gram.patch

diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index e776215155..f4304a45b9 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -135,13 +135,6 @@ typedef struct SelectLimit
 	LimitOption limitOption;
 } SelectLimit;
 
-/* Private struct for the result of limit_clause production */
-typedef struct LimitClause
-{
-	Node *limitCount;
-	LimitOption limitOption;
-} LimitClause;
-
 /* ConstraintAttributeSpec yields an integer bitmask of these flags: */
 #define CAS_NOT_DEFERRABLE			0x01
 #define CAS_DEFERRABLE				0x02
@@ -258,8 +251,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
 	PartitionSpec		*partspec;
 	PartitionBoundSpec	*partboundspec;
 	RoleSpec			*rolespec;
-	struct SelectLimit	*SelectLimit;
-	struct LimitClause	*LimitClause;
+	struct SelectLimit	*selectlimit;
 }
 
 %type <node>	stmt schema_stmt
@@ -392,8 +384,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
 %type <ival>	import_qualification_type
 %type <importqual> import_qualification
 %type <node>	vacuum_relation
-%type <SelectLimit> opt_select_limit select_limit
-%type <LimitClause> limit_clause
+%type <selectlimit> opt_select_limit select_limit limit_clause
 
 %type <list>	stmtblock stmtmulti
 				OptTableElementList TableElementList OptInherit definition
@@ -11343,8 +11334,9 @@ select_no_parens:
 			| select_clause opt_sort_clause for_locking_clause opt_select_limit
 				{
 					insertSelectOptions((SelectStmt *) $1, $2, $3,
-										($4)->limitOffset, ($4)->limitCount,
-										($4)->limitOption,
+										($4) ? ($4)->limitOffset : NULL,
+										($4) ? ($4)->limitCount : NULL,
+										($4) ? ($4)->limitOption : LIMIT_OPTION_DEFAULT,
 										NULL,
 										yyscanner);
 					$$ = $1;
@@ -11362,7 +11354,7 @@ select_no_parens:
 				{
 					insertSelectOptions((SelectStmt *) $2, NULL, NIL,
 										NULL, NULL,
-										LIMIT_OPTION_DEFAULT,$1,
+										LIMIT_OPTION_DEFAULT, $1,
 										yyscanner);
 					$$ = $2;
 				}
@@ -11370,15 +11362,16 @@ select_no_parens:
 				{
 					insertSelectOptions((SelectStmt *) $2, $3, NIL,
 										NULL, NULL,
-										LIMIT_OPTION_DEFAULT,$1,
+										LIMIT_OPTION_DEFAULT, $1,
 										yyscanner);
 					$$ = $2;
 				}
 			| with_clause select_clause opt_sort_clause for_locking_clause opt_select_limit
 				{
 					insertSelectOptions((SelectStmt *) $2, $3, $4,
-										($5)->limitOffset, ($5)->limitCount,
-										($5)->limitOption,
+										($5) ? ($5)->limitOffset : NULL,
+										($5) ? ($5)->limitCount : NULL,
+										($5) ? ($5)->limitOption : LIMIT_OPTION_DEFAULT,
 										$1,
 										yyscanner);
 					$$ = $2;
@@ -11683,27 +11676,17 @@ sortby:		a_expr USING qual_all_Op opt_nulls_order
 select_limit:
 			limit_clause offset_clause
 				{
-					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
-					n->limitOffset = $2;
-					n->limitCount = ($1)->limitCount;
-					n->limitOption = ($1)->limitOption;
-					$$ = n;
+					$$ = $1;
+					($$)->limitOffset = $2;
 				}
 			| offset_clause limit_clause
 				{
-					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
-					n->limitOffset = $1;
-					n->limitCount = ($2)->limitCount;
-					n->limitOption = ($2)->limitOption;
-					$$ = n;
+					$$ = $2;
+					($$)->limitOffset = $1;
 				}
 			| limit_clause
 				{
-					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
-					n->limitOffset = NULL;
-					n->limitCount = ($1)->limitCount;
-					n->limitOption = ($1)->limitOption;
-					$$ = n;
+					$$ = $1;
 				}
 			| offset_clause
 				{
@@ -11717,20 +11700,14 @@ select_limit:
 
 opt_select_limit:
 			select_limit						{ $$ = $1; }
-			| /* EMPTY */
-				{
-					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
-					n->limitOffset = NULL;
-					n->limitCount = NULL;
-					n->limitOption = LIMIT_OPTION_DEFAULT;
-					$$ = n;
-				}
+			| /* EMPTY */						{ $$ = NULL; }
 		;
 
 limit_clause:
 			LIMIT select_limit_value
 				{
-					LimitClause *n = (LimitClause *) palloc(sizeof(LimitClause));
+					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
+					n->limitOffset = NULL;
 					n->limitCount = $2;
 					n->limitOption = LIMIT_OPTION_COUNT;
 					$$ = n;
@@ -11753,21 +11730,24 @@ limit_clause:
 			 */
 			| FETCH first_or_next select_fetch_first_value row_or_rows ONLY
 				{
-					LimitClause *n = (LimitClause *) palloc(sizeof(LimitClause));
+					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
+					n->limitOffset = NULL;
 					n->limitCount = $3;
 					n->limitOption = LIMIT_OPTION_COUNT;
 					$$ = n;
 				}
 			| FETCH first_or_next select_fetch_first_value row_or_rows WITH TIES
 				{
-					LimitClause *n = (LimitClause *) palloc(sizeof(LimitClause));
+					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
+					n->limitOffset = NULL;
 					n->limitCount = $3;
 					n->limitOption = LIMIT_OPTION_WITH_TIES;
 					$$ = n;
 				}
 			| FETCH first_or_next row_or_rows ONLY
 				{
-					LimitClause *n = (LimitClause *) palloc(sizeof(LimitClause));
+					SelectLimit *n = (SelectLimit *) palloc(sizeof(SelectLimit));
+					n->limitOffset = NULL;
 					n->limitCount = makeIntConst(1, -1);
 					n->limitOption = LIMIT_OPTION_COUNT;
 					$$ = n;