optimizer/prep/prepunion.c

68 static Path *generate_recursion_path(SetOperationStmt *setOp,
72 static Path *generate_union_path(SetOperationStmt *op, PlannerInfo *root,
76 static Path *generate_nonunion_path(SetOperationStmt *op, PlannerInfo *root,
81 					   SetOperationStmt *top_union,
84 static Path *make_union_unique(SetOperationStmt *op, Path *path, List *tlist,
100 static List *generate_setop_grouplist(SetOperationStmt *op, List *targetlist);
133 	SetOperationStmt *topop = (SetOperationStmt *) parse->setOperations;  in plan_set_operations()
141 	Assert(topop && IsA(topop, SetOperationStmt));  in plan_set_operations()
163 	while (node && IsA(node, SetOperationStmt))  in plan_set_operations()
164 		node = ((SetOperationStmt *) node)->larg;  in plan_set_operations()
370 	else if (IsA(setOp, SetOperationStmt))  in recurse_set_operations()
372 		SetOperationStmt *op = (SetOperationStmt *) setOp;  in recurse_set_operations()
431 generate_recursion_path(SetOperationStmt *setOp, PlannerInfo *root,  in generate_recursion_path()
526 generate_union_path(SetOperationStmt *op, PlannerInfo *root,  in generate_union_path()
613 generate_nonunion_path(SetOperationStmt *op, PlannerInfo *root,  in generate_nonunion_path()
794 					   SetOperationStmt *top_union,  in recurse_union_children()
801 	if (IsA(setOp, SetOperationStmt))  in recurse_union_children()
803 		SetOperationStmt *op = (SetOperationStmt *) setOp;  in recurse_union_children()
850 make_union_unique(SetOperationStmt *op, Path *path, List *tlist,  in make_union_unique()
1296 generate_setop_grouplist(SetOperationStmt *op, List *targetlist)  in generate_setop_grouplist()