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Drivers Only Available for 32-Bit Platforms : The Informix Driver : Connection Option Descriptions : Cancel Detect Interval
 

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Cancel Detect Interval

Attribute

CancelDetectInterval (CDI)

Purpose

Determines whether long-running queries in threaded applications can be cancelled if the application issues a SQLCancel.

Valid Values

0 | x
where:
x
is the number of seconds the driver waits before checking for SQLCancel calls.

Behavior

If set to 0 (None), the driver does not allow long-running queries in threaded applications to be canceled, even if the application issues a SQLCancel.
If set to x (seconds), for every pending query, the driver checks for SQLCancel calls at the specified interval. If the driver determines that a SQLCancel has been issued, the driver cancels the query.

Notes

*This connection option can affect performance.

Example

If you specify 5, for every pending query, the driver checks every five seconds to see whether the application has issued a SQLCancel call. If it detects a SQLCancel call, the driver cancels the query.

Default

0 (None)

GUI Tab

Advanced tab

See Also

See Performance Considerations for details.