[PATCHES] Implemented current_query

[Tomas Doran]

As suggested in the TODO list (and as I need the functionality myself), I have implemented the current_query interface to debug_query_string.

I'm not sure the best place to put this, suggestions welcome..

Please review the patch attached.

Cheers
Tom

pgsql-current_query.patch
Description: Binary data

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TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match