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Poll
How big is your Baan-DB (just Data AND Indexes)
0 - 200 GB
15%
200 - 500 GB
30%
500 - 800 GB
4%
800 - 1200 GB
4%
1200 - 1500 GB
11%
1500 - 2000 GB
15%
> 2000 GB
22%
Total votes: 27

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Reference Content

 
query.extend.from(), query.extend.from.in.zoom()
By patvdv at 26 Feb 2008 - 21:57


query.extend.from(), query.extend.from.in.zoom()

Syntax

void query.extend.from( string extension_string [, mode] )
void query.extend.from.in.zoom( string extension_string )

Description

Use this to construct a query extension for the FROM clause of a database query. Use query.extend.from() for non-zoom sessions. Use query.extend.from.in.zoom() for defining query filters for zoom sessions.

Arguments

extension_string

A string containing the names of the fields to be included in the FROM statement. Use commas [,] to separate the field names.

mode

This optional argument can have one of the following values:

  • EXTEND_OVERWRITE : replaces any existing query extension (this is the default mode)
  • EXTEND_APPEND : appends this extension to the existing extension

Context

4GL library functions.

You can use query.extend.from() in the before.program section of UI scripts and in the before.open.object() hook of DAL scripts. You can use query.extend.from.in.zoom() only in the selection.filter section of UI scripts.

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