[COMMITTERS] pgsql: Improve the efficiency of certain jsonb get operations.

Improve the efficiency of certain jsonb get operations. Instead of iterating over jsonb structures, use the inbuilt functions findJsonbValueFromContainerLen() and getIthJsonbValueFromContainer() to extract values directly. These functions use algorithms that are O(n log n) and O(1) respectively, w

[COMMITTERS] pgsql: PL/Python: Adjust the regression tests for Python 3.4

PL/Python: Adjust the regression tests for Python 3.4 Back-patch commit d0765d50f429472d00554701ac6531c84d324811 into 9.3 and 9.2, which is as far back as we previously bothered to adjust the regression tests for Python 3.3. Per gripe from Honza Horak. Branch -- REL9_2_STABLE Details --

[COMMITTERS] pgsql: PL/Python: Adjust the regression tests for Python 3.4

PL/Python: Adjust the regression tests for Python 3.4 Back-patch commit d0765d50f429472d00554701ac6531c84d324811 into 9.3 and 9.2, which is as far back as we previously bothered to adjust the regression tests for Python 3.3. Per gripe from Honza Horak. Branch -- REL9_3_STABLE Details --