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Cast functions can be immutable or stable.

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This commit is contained in:
Peter Eisentraut
2002-09-15 13:04:16 +00:00
parent db4f3c0334
commit 5ea9322872
2 changed files with 5 additions and 5 deletions
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6
src/backend/commands/functioncmds.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/functioncmds.c,v 1.19 2002/09/04 20:31:15 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/functioncmds.c,v 1.20 2002/09/15 13:04:16 petere Exp $
*
* DESCRIPTION
* These routines take the parse tree and pick out the
@ -676,8 +676,8 @@ CreateCast(CreateCastStmt *stmt)
elog(ERROR, "argument of cast function must match source data type");
if (procstruct->prorettype != targettypeid)
elog(ERROR, "return data type of cast function must match target data type");
if (procstruct->provolatile != PROVOLATILE_IMMUTABLE)
elog(ERROR, "cast function must be immutable");
if (procstruct->provolatile == PROVOLATILE_VOLATILE)
elog(ERROR, "cast function must not be volatile");
if (procstruct->proisagg)
elog(ERROR, "cast function must not be an aggregate function");
if (procstruct->proretset)