revQueryIsAtStart

Type

function

Summary

Returns whether the beginning of a record set has been reached or not.

Syntax

revQueryIsAtStart(<recordSetID>)

Description

Use the revQueryIsAtStart function to stop when you reach the start of a record set.

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

Parameters

Name	Type	Description
recordSetID		The number returned by the revQueryDatabase function when the record set was created.

Examples

repeat until revQueryIsAtStart(tCursor)
  ...
  revMoveToPreviousRecord tCursor
end repeat

Value

Name	Type	Description
return		The revQueryIsAtStart function returns true if the revMoveToPreviousRecord command has been called with the cursor pointing to the first record.

Related

command: revMoveToPreviousRecord

function: revOpenDatabase, revCurrentRecord, revQueryDatabase, revCurrentRecordIsFirst, revQueryIsAtEnd

glossary: command

keyword: string

Compatibility and Support

Introduced

LiveCode 2.9

OS

mac

windows

linux

ios

android

Platforms

desktop

server

mobile