HHH-14211 Switch to using oid for CLOB in PostgreSQL to avoid losing data after vacuumlo

Author: beikov

hibernate-core/src/main/java/org/hibernate/dialect/PostgreSQL81Dialect.java

@@ -114,7 +114,7 @@ public PostgreSQL81Dialect() {
 		registerColumnType( Types.BINARY, "bytea" );
 		registerColumnType( Types.LONGVARCHAR, "text" );
 		registerColumnType( Types.LONGVARBINARY, "bytea" );
-		registerColumnType( Types.CLOB, "text" );
+		registerColumnType( Types.CLOB, "oid" );
 		registerColumnType( Types.BLOB, "oid" );
 		registerColumnType( Types.NUMERIC, "numeric($p, $s)" );
 		registerColumnType( Types.OTHER, "uuid" );