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From: vlsi (@vlsi) <[email protected]>
To: pgjdbc/pgjdbc <[email protected]>
Subject: Re: [pgjdbc/pgjdbc] issue #3729: PgDatabaseMetaData.getColumns returns duplicate columnNames
Date: Fri, 18 Jul 2025 10:06:18 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

pgjdbc should not escape `_` here.

`java.sql.DatabaseMetaData#getColumns` intentionally uses **patterns** for the parameter names, and it refers to `java.sql.DatabaseMetaData#getSearchStringEscape`.

So the resolution is that end-users should escape the pattern characters like `_` and `%` with a help of `getSearchStringEscape`.

See https://www.postgrespro.com/list/thread-id/1937525

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