diff options
| -rw-r--r-- | doc/src/sgml/plpgsql.sgml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/src/sgml/plpgsql.sgml b/doc/src/sgml/plpgsql.sgml index 5a1e33fb4b..c5e9c2ee2d 100644 --- a/doc/src/sgml/plpgsql.sgml +++ b/doc/src/sgml/plpgsql.sgml @@ -2561,7 +2561,10 @@ SELECT merge_db(1, 'dennis'); This coding assumes the <literal>unique_violation</> error is caused by the <command>INSERT</>, and not by, say, an <command>INSERT</> in a - trigger function on the table. More safety could be had by using the + trigger function on the table. It might also misbehave if there is + more than one unique index on the table, since it will retry the + operation regardless of which index caused the error. + More safety could be had by using the features discussed next to check that the trapped error was the one expected. </para> |