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MUSHclient scripting

Description of MUSHclient world function: world.DatabaseChanges

Name DatabaseChanges
Type Method
Summary Returns a count of the changes to the database by the most recent SQL statement
Prototype long DatabaseChanges(BSTR DbName);

View list of data type meanings


This function returns the number of database rows that were changed or inserted or deleted by the most recently completed SQL statement on the database connection specified by the first parameter. Only changes that are directly specified by the INSERT, UPDATE, or DELETE statement are counted. Auxiliary changes caused by triggers are not counted. Use the DatabaseTotalChanges function to find the total number of changes including changes caused by triggers.

Note: Available in version 4.40 onwards.

Lua example
changes = DatabaseChanges ("db")
Returns A positive integer, or zero, indicating the count of changes.


-1 : Database id not found
-2 : Database not open
Introduced in version 4.40

See also ...

Function Description
DatabaseExec Executes SQL code against an SQLite database
DatabaseLastInsertRowid Returns the most recently automatically allocated database key
DatabaseStep Executes a previously-prepared SQL statement
DatabaseTotalChanges Returns a count of the total changes to the database

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