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fix: process pending responses before fastpath to avoid protocol errors#3913

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vlsi merged 1 commit intopgjdbc:masterfrom
vlsi:issue3910
Jan 17, 2026
Merged

fix: process pending responses before fastpath to avoid protocol errors#3913
vlsi merged 1 commit intopgjdbc:masterfrom
vlsi:issue3910

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@vlsi vlsi commented Jan 16, 2026

When cleanupSavepoints=true, RELEASE SAVEPOINT responses were left unread in the buffer. Fastpath operations (Large Objects) then read these stale responses causing "Unknown Response Type C." errors.

Fixes #3910

@vlsi vlsi added the bug label Jan 16, 2026
When cleanupSavepoints=true, RELEASE SAVEPOINT responses were left
unread in the buffer. Fastpath operations (Large Objects) then read
these stale responses causing "Unknown Response Type C." errors.

Fixes pgjdbc#3910

Co-Authored-By: Claude Opus 4.5 <[email protected]>
@vlsi vlsi merged commit 4c9beeb into pgjdbc:master Jan 17, 2026
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Connection parameter cleanupSavepoints=true does not work with oid/blob column

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