Function ExecGetInsertedCols

src/backend/executor/execUtils.c:1313–1349

Return a bitmap representing columns being inserted */

/* Return a bitmap representing columns being inserted */
Bitmapset *
ExecGetInsertedCols(ResultRelInfo *relinfo, EState *estate)
{
	/*
	 * The columns are stored in the range table entry.  If this ResultRelInfo
	 * represents a partition routing target, and doesn't have an entry of its
	 * own in the range table, fetch the parent's RTE and map the columns to
	 * the order they are in the partition.
	 */
	if (relinfo->ri_RangeTableIndex != 0)
	{
		RangeTblEntry *rte = exec_rt_fetch(relinfo->ri_RangeTableIndex, estate);

		return rte->insertedCols;
	}
	else if (relinfo->ri_RootResultRelInfo)
	{
		ResultRelInfo *rootRelInfo = relinfo->ri_RootResultRelInfo;
		RangeTblEntry *rte = exec_rt_fetch(rootRelInfo->ri_RangeTableIndex, estate);

		if (relinfo->ri_RootToPartitionMap != NULL)
			return execute_attr_map_cols(relinfo->ri_RootToPartitionMap->attrMap,
										 rte->insertedCols);
		else
			return rte->insertedCols;
	}
	else
	{
		/*
		 * The relation isn't in the range table and it isn't a partition
		 * routing target.  This ResultRelInfo must've been created only for
		 * firing triggers and the relation is not being inserted into.  (See
		 * ExecGetTriggerResultRel.)
		 */
		return NULL;
	}
}

/* Return a bitmap representing columns being updated */
Bitmapset *