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Use PGPOOL 4.6.2, but backend PG is version 14
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* Use PGPOOL 4.6.2, but backend PG is version 14
@ 2025-12-22 08:41 刘进央 <[email protected]>
  2025-12-23 08:23 ` Re: Use PGPOOL 4.6.2, but backend PG is version 14 Koshino Taiki <[email protected]>
  0 siblings, 1 reply; 2+ messages in thread

From: 刘进央 @ 2025-12-22 08:41 UTC (permalink / raw)
  To: [email protected] <[email protected]>

Hi,

 PGPOOL hackers,

 Now I want to use PGPOOL 4.6.2, but my backend is PG14.

 At present, 4.6.2 supports PG 17 parser, I want to know if there is any compatibility issue？ For example, is there any syntax supported by PG14 but not supported by PG17?




 could you please help clarify this?




 Thanks a lot! 




^ permalink  raw  reply  [nested|flat] 2+ messages in thread

* Re: Use PGPOOL 4.6.2, but backend PG is version 14
  2025-12-22 08:41 Use PGPOOL 4.6.2, but backend PG is version 14 刘进央 <[email protected]>
@ 2025-12-23 08:23 ` Koshino Taiki <[email protected]>
  0 siblings, 0 replies; 2+ messages in thread

From: Koshino Taiki @ 2025-12-23 08:23 UTC (permalink / raw)
  To: =?gb2312?B?wfW9+NHr?= <[email protected]>; +Cc: [email protected] <[email protected]>

Hi,

From the Pgpool-II point of view, using Pgpool-II 4.6.2 with a PostgreSQL 14 backend should generally be fine.

However, Pgpool-II 4.6.2 uses the PostgreSQL 17 parser internally. If there are any SQL syntaxes that are accepted in PostgreSQL 14 but are no longer supported or have different behavior in PostgreSQL 17, Pgpool-II may fail to parse such SQL statements correctly.

For details about SQL syntax compatibility between PostgreSQL 14 and PostgreSQL 17,
we recommend that you consult the PostgreSQL community.

Best regards,


Taiki Koshino<[email protected]>
SRA OSS K.K.
TEL: 03-5979-2701 FAX: 03-5979-2702
URL: https://www.sraoss.co.jp/



________________________________
差出人: 刘进央 <[email protected]>
送信: 2025 年 12 月 22 日 (月曜日) 17:41
宛先: [email protected] <[email protected]>
件名: Use PGPOOL 4.6.2, but backend PG is version 14


Hi,

 PGPOOL hackers,

 Now I want to use PGPOOL 4.6.2, but my backend is PG14.

 At present, 4.6.2 supports PG 17 parser, I want to know if there is any compatibility issue？ For example, is there any syntax supported by PG14 but not supported by PG17?


 could you please help clarify this?


 Thanks a lot!



^ permalink  raw  reply  [nested|flat] 2+ messages in thread

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