GB18030-2022 Support in PostgreSQL

From: JiaoShuntian <jiaoshuntian(at)highgo(dot)com>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: GB18030-2022 Support in PostgreSQL
Date: 2025-08-04 08:08:24
Message-ID: 966d9fc.169.198741fe60b.Coremail.jiaoshuntian@highgo.com
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Hi hackers,

I noticed that PostgreSQL currently supports GB18030 encoding based on the older GB18030-2000 standard (as seen in commits like extend GB18030 conversion). However, China has since updated its mandatory character set standard to GB18030-2022, which includes additional characters and stricter compliance requirements.GB18030-2022 is now the official standard in China, and ensuring PostgreSQL’s full compliance would be beneficial for users in Chinese-speaking regions.

I would like to ask:

Are there any plans to upgrade PostgreSQL’s GB18030 support to the 2022 version?Would the community be open to contributions in this area?

Best regards,

JiaoShuntian

HighGo Inc.

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