revRollBackDatabase

Typecommand
DictionaryLCS
LibraryLiveCode Script
Syntax
revRollBackDatabase <databaseID>
Associationsdatabase library
Summary

Rolls back recent changes to a database.

Introduced2.0
OSmac, windows, linux, ios, android
Platformsdesktop, server, mobile
Parameters
NameTypeDescription
databaseID

The number returned by the revOpenDatabase function when the database was opened.

Example
revRollBackDatabase monthlyExpenses
Values
NameTypeDescription
The result

If the rollback is not successful, the result function returns an error message that begins with the string "revdberr".

RelatedKeyword: string
Glossary: LiveCode custom library, Standalone Application Settings, database, standalone application, return, command
Command: revert, revCommitDatabase, revCloseDatabase
Function: revdb_rollback, revdb_commit
Library: Database library
Control Structure: function
Securitydisk, network
Description

Use the revRollBackDatabase command to discard changes to a database.

Note: Not all databases support the revRollBackDatabase command. The revRollbackDatabase command is currently supported by Oracle, PostgreSQL and SQLite databases only, on other databases, the command will have no affect.

Important: The revRollBackDatabase command is part of the Database library. To ensure that the command works in a standalone application, you must include this custom library when you create your standalone. In the Inclusions pane of the Standalone Application Settings window, make sure both the "Database" library checkbox and those of the database drivers you are using are checked.

Tagsdatabase