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>4.4. Asynchronous Query Processing Commands</A
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><A
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>pg_sendquery</A
> -- Send query asynchronously</DT
><DT
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>pg_isbusy</A
> -- See if pg_getresult will block</DT
><DT
><A
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>pg_getresult</A
> -- Wait for and return result from asynchronous query</DT
><DT
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>pg_cancelrequest</A
> -- Cancel an in-progress asynchronous query</DT
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>pg_blocking</A
> -- Get or set the connection mode - blocking or nonblocking</DT
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>The commands in this section are used for asynchronous queries. This
allows sending queries to the database server and continue Tcl processing
without waiting for results.
Note that the commands in this section are not available in
<SPAN
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>pgintcl</SPAN
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>The commands in this section are part of a new Tcl interface to asynchronous
query processing capabilities, and should be considered experimental.
The commands may change, and backwards compatibility is not assured.
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