Function CreateValueRteForInsert

pg_documentdb/src/commands/insert.c:1783–1821

Build RangeTblEntry for values */

/* Build RangeTblEntry for values */
static inline RangeTblEntry *
CreateValueRteForInsert(MongoCollection *collection, List *valuesLists)
{
	/* Build the VALUES RTE */
	List *valuesColNames = list_make3(makeString("shard_key_value"),
									  makeString("object_id"),
									  makeString("document"));

	if (collection->mongoDataCreationTimeVarAttrNumber != -1)
	{
		valuesColNames = lappend(valuesColNames, makeString("creation_time"));
	}

	RangeTblEntry *valuesRte = makeNode(RangeTblEntry);
	valuesRte->rtekind = RTE_VALUES;
	valuesRte->alias = valuesRte->eref = makeAlias("values", valuesColNames);
	valuesRte->lateral = false;
	valuesRte->inFromCl = true;
	valuesRte->values_lists = valuesLists;
	valuesRte->inh = false;

	/* Set column types and widths */
	if (collection->mongoDataCreationTimeVarAttrNumber != -1)
	{
		valuesRte->coltypes = list_make4_oid(INT8OID, BsonTypeId(), BsonTypeId(),
											 TIMESTAMPTZOID);
		valuesRte->coltypmods = list_make4_int(-1, -1, -1, -1);
		valuesRte->colcollations = list_make4_oid(InvalidOid, InvalidOid, InvalidOid,
												  InvalidOid);
	}
	else
	{
		valuesRte->coltypes = list_make3_oid(INT8OID, BsonTypeId(), BsonTypeId());
		valuesRte->coltypmods = list_make3_int(-1, -1, -1);
		valuesRte->colcollations = list_make3_oid(InvalidOid, InvalidOid, InvalidOid);
	}

	return valuesRte;
}


/* Build targetList for insert */