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authorItagaki Takahiro <itagaki.takahiro@gmail.com>2009-12-14 00:39:11 +0000
committerItagaki Takahiro <itagaki.takahiro@gmail.com>2009-12-14 00:39:11 +0000
commit84f910a7076e09e551bf69e0972473ec15d33c79 (patch)
tree7ce85524e7d24091581b2a0ce6309422d0330811 /src/bin/pg_dump/pg_backup_db.c
parent0182d6f646997e486f56f847001ff74694bdd7da (diff)
downloadpostgresql-84f910a7076e09e551bf69e0972473ec15d33c79.tar.gz
postgresql-84f910a7076e09e551bf69e0972473ec15d33c79.zip
Additional fixes for large object access control.
Use pg_largeobject_metadata.oid instead of pg_largeobject.loid to enumerate existing large objects in pg_dump, pg_restore, and contrib modules.
Diffstat (limited to 'src/bin/pg_dump/pg_backup_db.c')
-rw-r--r--src/bin/pg_dump/pg_backup_db.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/src/bin/pg_dump/pg_backup_db.c b/src/bin/pg_dump/pg_backup_db.c
index 836b02cb936..1d72d6dd7e2 100644
--- a/src/bin/pg_dump/pg_backup_db.c
+++ b/src/bin/pg_dump/pg_backup_db.c
@@ -5,7 +5,7 @@
* Implements the basic DB functions used by the archiver.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_db.c,v 1.84 2009/06/11 14:49:07 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_db.c,v 1.85 2009/12/14 00:39:11 itagaki Exp $
*
*-------------------------------------------------------------------------
*/
@@ -652,6 +652,23 @@ CommitTransaction(ArchiveHandle *AH)
ExecuteSqlCommand(AH, "COMMIT", "could not commit database transaction");
}
+void
+DropBlobIfExists(ArchiveHandle *AH, Oid oid)
+{
+ /* Call lo_unlink only if exists to avoid not-found error. */
+ if (PQserverVersion(AH->connection) >= 80500)
+ {
+ ahprintf(AH, "SELECT pg_catalog.lo_unlink(oid) "
+ "FROM pg_catalog.pg_largeobject_metadata "
+ "WHERE oid = %u;\n", oid);
+ }
+ else
+ {
+ ahprintf(AH, "SELECT CASE WHEN EXISTS(SELECT 1 FROM pg_catalog.pg_largeobject WHERE loid = '%u') THEN pg_catalog.lo_unlink('%u') END;\n",
+ oid, oid);
+ }
+}
+
static bool
_isIdentChar(unsigned char c)
{