67 	Oid			collation;		/* OID of current collation, if any */  member
78 static void merge_collation_state(Oid collation,
183 	context.collation = InvalidOid;  in assign_expr_collations()
214 	context.collation = InvalidOid;  in select_common_collation()
229 						get_collation_name(context.collation),  in select_common_collation()
240 	return context.collation;  in select_common_collation()
258 	Oid			collation;  in assign_collations_walker()  local
272 	loccontext.collation = InvalidOid;  in assign_collations_walker()
300 				collation = expr->collOid;  in assign_collations_walker()
301 				Assert(OidIsValid(collation));  in assign_collations_walker()
326 					collation = expr->resultcollid;  in assign_collations_walker()
333 					collation = InvalidOid;  in assign_collations_walker()
414 						collation = loccontext.collation;  in assign_collations_walker()
421 						collation = typcollation;  in assign_collations_walker()
429 					collation = InvalidOid;  in assign_collations_walker()
441 					exprSetCollation(node, collation);  in assign_collations_walker()
454 			collation = loccontext.collation;  in assign_collations_walker()
476 								get_collation_name(loccontext.collation),  in assign_collations_walker()
521 				collation = exprCollation((Node *) tent->expr);  in assign_collations_walker()
536 			collation = loccontext.collation;  in assign_collations_walker()
555 			collation = exprCollation(node);  in assign_collations_walker()
566 			if (OidIsValid(collation))  in assign_collations_walker()
692 						collation = loccontext.collation;  in assign_collations_walker()
704 						collation = typcollation;  in assign_collations_walker()
712 					collation = InvalidOid;  in assign_collations_walker()
725 					exprSetCollation(node, collation);  in assign_collations_walker()
734 					exprSetInputCollation(node, loccontext.collation);  in assign_collations_walker()
742 	merge_collation_state(collation,  in assign_collations_walker()
756 merge_collation_state(Oid collation,  in merge_collation_state()  argument
771 		context->collation = collation;  in merge_collation_state()
790 				if (collation != context->collation)  in merge_collation_state()
795 					if (context->collation == DEFAULT_COLLATION_OID)  in merge_collation_state()
798 						context->collation = collation;  in merge_collation_state()
802 					else if (collation != DEFAULT_COLLATION_OID)  in merge_collation_state()
812 						context->collation2 = collation;  in merge_collation_state()
821 				if (collation != context->collation)  in merge_collation_state()
832 									get_collation_name(context->collation),  in merge_collation_state()
833 									get_collation_name(collation)),  in merge_collation_state()
967 		paircontext.collation = InvalidOid;  in assign_hypothetical_collations()
982 							get_collation_name(paircontext.collation),  in assign_hypothetical_collations()
1007 		if (OidIsValid(paircontext.collation) &&  in assign_hypothetical_collations()
1008 			paircontext.collation != exprCollation((Node *) s_tle->expr))  in assign_hypothetical_collations()
1014 								paircontext.collation,  in assign_hypothetical_collations()
1023 			merge_collation_state(paircontext.collation,  in assign_hypothetical_collations()