Function ExecGetUpdatedCols

src/backend/executor/execUtils.c:1352–1375

Return a bitmap representing columns being updated */

/* Return a bitmap representing columns being updated */
Bitmapset *
ExecGetUpdatedCols(ResultRelInfo *relinfo, EState *estate)
{
	/* see ExecGetInsertedCols() */
	if (relinfo->ri_RangeTableIndex != 0)
	{
		RangeTblEntry *rte = exec_rt_fetch(relinfo->ri_RangeTableIndex, estate);

		return rte->updatedCols;
	}
	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->updatedCols);
		else
			return rte->updatedCols;
	}
	else
		return NULL;
}

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