64 DBMS_EDITIONS_UTILITIES

The DBMS_EDITIONS_UTILITIES package provides helper functions for edition-related operations.

The chapter contains the following topics:

Using DBMS_EDITIONS_UTILITIES

Overview

The DBMS_EDITIONS_UTILITIES package implements an interface which provides helper functions for edition-related operations.

Security Model

This package is owned by SYS with execute access granted to PUBLIC. It runs with invoker's rights, that is, with the security profile of the caller.

Exceptions

Table 64-1 DBMS_EDITIONS_UTILITIES Error Messages

Error Description

ORA-38817

Insufficient privileges

ORA-942

Missing table

Summary of DBMS_EDITIONS_UTILITIES Subprograms

Table 64-2 DBMS_EDITIONS_UTILITIES Package Subprograms

Subprogram Description

SET_EDITIONING_VIEWS_READ_ONLY Procedure

Given the schema name and table name, this procedure sets the corresponding editioning views in all editions to READ ONLY or READ/WRITE

SET_NULL_COLUMN_VALUES_TO_EXPR Procedure

For use only during an edition-based redefinition (EBR) exercise

SET_EDITIONING_VIEWS_READ_ONLY Procedure

Given the schema name and table name, this procedure sets the corresponding editioning views in all editions to READ ONLY or READ/WRITE.

Syntax

DBMS_EDITIONS_UTILITIES.SET_EDITIONING_VIEWS_READ_ONLY (
   table_name IN VARCHAR2,
   owner      IN VARCHAR2 DEFAULT NULL,
   read_only  IN BOOLEAN  DEFAULT TRUE);

Parameters

Table 64-3 SET_EDITIONING_VIEWS_READ_ONLY Procedure Parameters

Parameter Description

table_name

Base table of the editioning views

owner

Base table schema. The default (or NULL) is the current schema.

read_only

TRUE to set the views to read-only; FALSE (or NULL) sets the views to READ/WRITE. Default is TRUE.

Usage Notes

The user must have the following privileges:

  • Owner of the table, or have the ALTER ANY TABLE system privileges

  • USE object privilege on all the editions for which the views are defined

SET_NULL_COLUMN_VALUES_TO_EXPR Procedure

This procedure replaces NULL values in a replacement column with the value of an expression. The expression evaluation cost is deferred to future updates and queries. The procedure is intended for use only during an edition-based redefinition (EBR) exercise.

See Also:

Syntax

DBMS_EDITIONS_UTILITIES.SET_NULL_COLUMN_VALUES_TO_EXPR;
   table_name    IN  VARCHAR2,
   column_name   IN  VARCHAR2,
   expression    IN  VARCHAR2);

Parameters

Table 64-4 SET_NULL_COLUMN_VALUES_TO_EXPR Procedure Parameters

Parameter Description

table_name

A potentially schema-qualified table name

column_name

Name of the column to be updated

expression

An expression composed of columns in the same table, constants, and SQL functions