diff options
Diffstat (limited to 'src/include/nodes/primnodes.h')
| -rw-r--r-- | src/include/nodes/primnodes.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index 17c3a894b0b..c84bab9287e 100644 --- a/src/include/nodes/primnodes.h +++ b/src/include/nodes/primnodes.h @@ -10,7 +10,7 @@ * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.115 2006/07/27 19:52:07 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.116 2006/09/28 20:51:42 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -717,9 +717,12 @@ typedef OpExpr NullIfExpr; * NullTest * * NullTest represents the operation of testing a value for NULLness. - * Currently, we only support scalar input values, but eventually a - * row-constructor input should be supported. * The appropriate test is performed and returned as a boolean Datum. + * + * NOTE: the semantics of this for rowtype inputs are noticeably different + * from the scalar case. It would probably be a good idea to include an + * "argisrow" flag in the struct to reflect that, but for the moment, + * we do not do so to avoid forcing an initdb during 8.2beta. * ---------------- */ |