[Table_Exists]

Description

Link: [Table_Exists]
Author: John Burwell
Category: Database
Version: 8.x
License: Public Domain
Posted: Apr. 26, 2006
Updated: Apr. 26, 2006
More by this author...
Table_Exists accepts two parameters, a -Database string specifying a database and a -Table string specifying a table to find within that database. If the table exists, TRUE is returned. Otherwise, the tag returns FALSE.

Parameters

-Table string, required The table to find
-Database string, required The database in which to look for the table

Sample Usage

If: (Table_Exists: 'elusive_table', -Database='extant_db');
  Output: 'The table was found.';
Else;
  Output: 'The table was not found.';
/If;

Source Code

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Define_Tag: 'Table_Exists',
  -Required='Table',
  -Required='Database';
  
  Database_TableNames: #Database;
    If: (Database_TableNameItem) == #Table;
      Return: TRUE;
    /If;
  /Database_TableNames;
  
  Return: FALSE;

/Define_Tag;

 

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