revDatabaseColumnLengths

Typefunction
DictionaryLCS
LibraryLiveCode Script
Syntax
revDatabaseColumnLengths(<recordSetID>)
Synonymsrevdb_columnlengths
Associationsdatabase library
Summary

Returns the maximum field sizes in a record set (glossary).

Introduced1.1
Changes

The revDatabaseColumnLengths synonym was added in version 2.0.

OSmac, windows, linux, ios, android
Platformsdesktop, server, mobile
Parameters
NameTypeDescription
recordSetID

The number returned by the revQueryDatabase function when the record set (database cursor) was created.

Example
revDatabaseColumnLengths(storedSet)
Values
NameTypeDescription
return

The revDatabaseColumnLengths function returns a list of maximum lengths, separated by commas.

RelatedKeyword: string
Control Structure: function
Function: revDatabaseColumnNamed, revDatabaseColumnTypes, revDatabaseColumnIsNull, revDatabaseColumnNumbered
Library: Database library
Glossary: LiveCode custom library, Standalone Application Settings, database field, standalone application, record set, return
Securitydisk, network
Description

Use the revDatabaseColumnLengths function to find out how large a database field is.

Each item in the revDatabaseColumnLengths is the maximum size of a database field.

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

Important: The revDatabaseColumnLengths function is part of the Database library. To ensure that the function 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