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Returns a count of the changes to the database by the most recent SQL statement
View list of data type meanings
long DatabaseChanges(BSTR DbName);
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.
Available in MUSHclient version 4.40 onwards.
changes = DatabaseChanges ("db")
A positive integer, or zero, indicating the count of changes.
-1 : Database id not found
-2 : Database not open
See Also ...
Lua SQLite (database) interface
(DatabaseClose) Closes an SQLite database
(DatabaseColumnName) Find the name of a specified column returned by an SQL statement
(DatabaseColumnNames) Return a table of all the columns returned by an SQL statement
(DatabaseColumns) Find how many columns will be returned by an SQL statement
(DatabaseColumnText) Returns the contents of an SQL column, as text
(DatabaseColumnType) Returns the type of data in an SQL column
(DatabaseColumnValue) Returns the contents of an SQL column, as text, float, integer, or null
(DatabaseColumnValues) Returns the contents of all the SQL columns after a step
(DatabaseError) Returns an English string describing the most recent SQL error
(DatabaseExec) Executes SQL code against an SQLite database
(DatabaseFinalize) Finalizes (wraps up) a previously-prepared SQL statement
(DatabaseGetField) Returns a single field from an SQL database
(DatabaseInfo) Returns information about a database
(DatabaseLastInsertRowid) Returns the most recently automatically allocated database key
(DatabaseList) Lists all databases
(DatabaseOpen) Opens an SQLite database
(DatabasePrepare) Prepares an SQL statement for execution
(DatabaseReset) Resets a previously-prepared SQL statement to the start
(DatabaseStep) Executes a previously-prepared SQL statement
(DatabaseTotalChanges) Returns a count of the total changes to the database
(Help topic: function=DatabaseChanges)