babelfish-for-postgresql / babelfish_extensions / 12026485935

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Comprehensive cursor state cleanup to avoid stale data after TDSResetConnection (#3147)

Earlier we were not cleaning up cursor states and hast tables like CursorHashTable and CursorPreparedHandleHashTable at the time of resetting the TDS connection. This lead to cursor leaks and potentially will let users to continue using the cursors from previous connection. To fix this we introduce a reset_cached_cursor function which cleans up all the stale cursor states and resets the cursor handles.

Issues Resolved
BABEL-5287

Signed-off-by: Kushaal Shroff <kushaal@amazon.com>

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