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postgres provider update
- track open cursors and commit transaction whenever no open cursors are left
- close cursor after immediately after feature retrieval (releases locks earlier)
- wrap postgres calls in Conn class
- introduce Result class to handle PQclear mostly transparently (fixes minor leaks)
- remove executeDbCommand method (duplicate of PQexecNR)
- introduce support for estimate_extents (fixes #582)
- introduce support for enum types (fixes #1210)



git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@9183 c8812cc2-4d05-0410-92ff-de0c093fc19c
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jef committed Aug 27, 2008
1 parent aab222c commit 9dbe4f57329d3a18dd73aa025392c4aa9a541a84
Showing with 433 additions and 419 deletions.
  1. +318 −354 src/providers/postgres/qgspostgresprovider.cpp
  2. +115 −65 src/providers/postgres/qgspostgresprovider.h

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