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Adjust lo type in contrib during pg_restore so that pg_restore could

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reload the type.
This commit is contained in:
Hiroshi Inoue 2003-01-03 18:05:02 +00:00
parent 7e4d4354bc
commit 150ffb2d50
1 changed files with 81 additions and 1 deletions
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82
src/bin/pg_dump/pg_backup_archiver.c
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@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.63 2002/11/23 03:59:08 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.64 2003/01/03 18:05:02 inoue Exp $
*
*-------------------------------------------------------------------------
*/
@ -122,6 +122,85 @@ CloseArchive(Archive *AHX)
die_horribly(AH, modulename, "could not close the output file in CloseArchive\n");
}
/*
* Adjust lo type in contrib for 7.3 or later.
* There must be a cast between lo and oid.
*/
static void
Adjust_lo_type(ArchiveHandle *AH)
{
PGresult *res;
/*
* The cast function lo(oid) should be immutable.
* If it's volatile it should be changed to
* be immutable and the cast (oid as lo)
* should be created.
*/
res = PQexec(AH->blobConnection, "begin;"
"update pg_proc set provolatile = 'i'"
" where proname = 'lo'"
" and pronargs = 1"
" and provolatile = 'v'"
" and prorettype in (select oid from pg_type where typname = 'lo')"
" and proargtypes[0] in (select oid from pg_type where typname = 'oid')");
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
die_horribly(AH, modulename, "could not adjust lo(oid) function");
if (strcmp(PQcmdTuples(res), "1") == 0)
{
PQclear(res);
/* create cast */
res = PQexec(AH->blobConnection, "create cast"
" (oid as lo) with function lo(oid) as implicit;commit");
if (!res)
die_horribly(AH, modulename, "couldn't create cast (oid as lo)");
}
else
{
PQclear(res);
/* The change is needless */
res = PQexec(AH->blobConnection, "rollback");
if (!res)
die_horribly(AH, modulename, "rollback error");
}
PQclear(res);
/*
* The cast function oid(lo) should be immutable.
* If it's volatile it should be changed to
* be immutable and the cast (lo as oid)
* should be created.
*/
res = PQexec(AH->blobConnection, "begin;"
"update pg_proc set provolatile = 'i'"
" where proname = 'oid'"
" and provolatile = 'v'"
" and pronargs = 1"
" and prorettype in (select oid from pg_type where typname = 'oid')"
" and proargtypes[0] in (select oid from pg_type where typname = 'lo')");
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
die_horribly(AH, modulename, "could not adjust oid(lo) function");
if (strcmp(PQcmdTuples(res), "1") == 0)
{
PQclear(res);
/* create cast */
res = PQexec(AH->blobConnection, "create cast"
" (lo as oid) with function oid(lo) as implicit;commit");
if (!res)
die_horribly(AH, modulename, "couldn't create cast (lo as oid)");
}
else
{
PQclear(res);
/* the change is needless */
res = PQexec(AH->blobConnection, "rollback");
if (!res)
die_horribly(AH, modulename, "rollback error");
}
PQclear(res);
}
/* Public */
void
RestoreArchive(Archive *AHX, RestoreOptions *ropt)
@ -357,6 +436,7 @@ RestoreArchive(Archive *AHX, RestoreOptions *ropt)
/* NULL parameter means disable ALL user triggers */
_disableTriggersIfNecessary(AH, NULL, ropt);
Adjust_lo_type(AH);
te = AH->toc->next;
while (te != AH->toc)
{