optimizer/prep/prepunion.c

55 static RelOptInfo *generate_recursion_path(SetOperationStmt *setOp,
59 static RelOptInfo *generate_union_paths(SetOperationStmt *op, PlannerInfo *root,
62 static RelOptInfo *generate_nonunion_paths(SetOperationStmt *op, PlannerInfo *root,
66 								 SetOperationStmt *top_union,
69 static Path *make_union_unique(SetOperationStmt *op, Path *path, List *tlist,
86 static List *generate_setop_grouplist(SetOperationStmt *op, List *targetlist);
106 	SetOperationStmt *topop = castNode(SetOperationStmt, parse->setOperations);  in plan_set_operations()
141 	while (node && IsA(node, SetOperationStmt))  in plan_set_operations()
142 		node = ((SetOperationStmt *) node)->larg;  in plan_set_operations()
341 	else if (IsA(setOp, SetOperationStmt))  in recurse_set_operations()
343 		SetOperationStmt *op = (SetOperationStmt *) setOp;  in recurse_set_operations()
430 generate_recursion_path(SetOperationStmt *setOp, PlannerInfo *root,  in generate_recursion_path()
536 generate_union_paths(SetOperationStmt *op, PlannerInfo *root,  in generate_union_paths()
696 generate_nonunion_paths(SetOperationStmt *op, PlannerInfo *root,  in generate_nonunion_paths()
874 					SetOperationStmt *top_union,  in plan_union_children()
890 		if (IsA(setOp, SetOperationStmt))  in plan_union_children()
892 			SetOperationStmt *op = (SetOperationStmt *) setOp;  in plan_union_children()
932 make_union_unique(SetOperationStmt *op, Path *path, List *tlist,  in make_union_unique()
1384 generate_setop_grouplist(SetOperationStmt *op, List *targetlist)  in generate_setop_grouplist()