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Select Where...using the ESCAPE operator for wildcards?
Message
De
31/08/1998 21:28:57
 
 
À
31/08/1998 17:34:49
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00131693
Message ID:
00131745
Vues:
25
>SQL select help says "The Where clause supports the ESCAPE operator for the JoinCondition, allowing you to perform meaningful queries on data containing the SELECT - SQL % and _ wildcard characters."
>
>Has anyone used this or got it to work, and if so, can you provide proper syntax? Since help doesn't mention what the 'Escape operator' is, I tried the literal WHERE ESCAPE '%' but I failed to perform any 'meaningful queries';)

From the SELECT - SQL help:

Example 9

Example 9 displays FilterCondition in the form of FieldName [NOT] LIKE cExpression

customer.country NOT LIKE "UK"
>/pr>
This filter condition searches for each field that matches cExpression.

You can use the percent sign (%) and underscore ( _ ) wildcards as part of cExpression. The percent sign represents any sequence of unknown characters in the string. An underscore represents a single unknown character in the string.
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