Connection CallBack Methods

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Connection CallBack Methods

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Most connection callback methods will receive at least the following 2 parameters:

Connection name, or DEFAULT if no name is speficied in the USE command

Default return value from the RDD




Replacement macros used in the SQL Commands:









Index(tag) name






Unique attribute






Field List






Field definition List






Length of a Column






Decimals of a Column




%1%, %2%, %3% etc


Arguments to functions used in index expressions. For example :








will be translated to STR(%1%,%2%,%3%) and






will be translated to IIF(%1%,%2%,%3%)