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Include all columns in default names for foreign key constraints

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When creating a name for a foreign key constraint when none is
specified, use all column names instead of only the first one, similar
to how it is already done for index names.

Author: Paul Martinez <hellopfm@gmail.com>
Reviewed-by: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Discussion: https://www.postgresql.org/message-id/flat/CAF+2_SFjky6XRfLNRXpkG97W6PRbOO_mjAxqXzAAimU=c7w7_A@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2019-03-13 14:15:37 +01:00
parent bbb96c3704
commit f177660ab0
7 changed files with 152 additions and 76 deletions
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3
src/backend/commands/indexcmds.c
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@ -2109,7 +2109,8 @@ ChooseIndexName(const char *tabname, Oid namespaceId,
* We know that less than NAMEDATALEN characters will actually be used,
* so we can truncate the result once we've generated that many.
*
* XXX See also ChooseExtendedStatisticNameAddition.
* XXX See also ChooseForeignKeyConstraintNameAddition and
* ChooseExtendedStatisticNameAddition.
*/
static char *
ChooseIndexNameAddition(List *colnames)