Hi all,
Attach the rebased patches.
Some useful link:
Discussion:
https://www.postgresql.org/message-id/flat/tencent_6AAF072A7623A11A85C0B5FD290232467808@qq.com
https://www.postgresql.org/message-id/flat/tencent_8DEC9842690A9B6AFD52D4659EF0700E9409@qq.com
https://www.postgresql.org/message-id/flat/tencent_FA60D4EE3E14ACF0B936396551260A4FFD05@qq.com
Bug Report:
https://www.postgresql.org/message-id/flat/18509-983f064d174ea880%40postgresql.org
https://www.postgresql.org/message-id/flat/19109-4a9ce36715d69632%40postgresql.org
CF Entry:
https://commitfest.postgresql.org/patch/5029/
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Regards,
ChangAo Chen