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C comment: mention null handling in BuildTupleFromCStrings()

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Discussion: https://postgr.es/m/CAFjFpRcF-wNbe0w-m3NpkEwr9shmOZ=GoESOzd2Wog9h55J8sA@mail.gmail.com

Author: Ashutosh Bapat
This commit is contained in:
Bruce Momjian 2018-04-03 14:01:14 -04:00
parent 710d90da1f
commit 242408dbef
1 changed files with 4 additions and 1 deletions
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5
src/backend/executor/execTuples.c
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@ -1204,7 +1204,10 @@ BuildTupleFromCStrings(AttInMetadata *attinmeta, char **values)
dvalues = (Datum *) palloc(natts * sizeof(Datum));
nulls = (bool *) palloc(natts * sizeof(bool));
/* Call the "in" function for each non-dropped attribute */
/*
* Call the "in" function for each non-dropped attribute, even for nulls,
* to support domains.
*/
for (i = 0; i < natts; i++)
{
if (!TupleDescAttr(tupdesc, i)->attisdropped)