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MUSHclient scripting

Description of MUSHclient world function: world.DatabaseReset


Name DatabaseReset
Type Method
Summary Resets a previously-prepared SQL statement to the start
Prototype long DatabaseReset(BSTR DbName);

View list of data type meanings

Description

Resets a previously-prepared SQL statement to start iterating again from the beginning.


Note: Available in version 4.40 onwards.


Lua example
DatabaseReset ("db")   -- back to the start
Lua notes
The return codes are available in the sqlite3 table in Lua, as follows:

sqlite3.OK = 0
sqlite3.INTEGER = 1
sqlite3.INTERNAL = 2
sqlite3.PERM = 3
sqlite3.ABORT = 4
sqlite3.BUSY = 5
sqlite3.LOCKED = 6
sqlite3.NOMEM = 7
sqlite3.READONLY = 8
sqlite3.INTERRUPT = 9
sqlite3.IOERR = 10
sqlite3.CORRUPT = 11
sqlite3.NOTFOUND = 12
sqlite3.FULL = 13
sqlite3.CANTOPEN = 14
sqlite3.PROTOCOL = 15
sqlite3.EMPTY = 16
sqlite3.SCHEMA = 17
sqlite3.TOOBIG = 18
sqlite3.CONSTRAINT = 19
sqlite3.MISMATCH = 20
sqlite3.MISUSE = 21
sqlite3.NOLFS = 22
sqlite3.FORMAT = 24
sqlite3.RANGE = 25
sqlite3.NOTADB = 26
sqlite3.ROW = 100
sqlite3.DONE = 101
Returns 0: Completed OK

-1 : Database id not found
-2 : Database not open
-4 : Do not have prepared statement


Otherwise an SQLite return code. For example:

1: SQL error or missing database
5 : The database file is locked
21 : Library used incorrectly
Introduced in version 4.40

See also ...

Function Description
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
DatabaseLastInsertRowid Returns the most recently automatically allocated database key
DatabaseOpen Opens an SQLite database
DatabasePrepare Prepares an SQL statement for execution
DatabaseStep Executes a previously-prepared SQL statement

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