25004
PostgreSQLERRORNotableInvalid Transaction StateHIGH confidence
inappropriate isolation level for branch transaction
What this means
SQLSTATE 25004 is raised when the isolation level set for a transaction is not compatible with the isolation level of the branch transaction or the current session requirements.
Why it happens
- 1Attempting to set an isolation level incompatible with an active branch transaction
How to reproduce
Isolation level mismatch in a branch transaction context.
expected output
ERROR: inappropriate isolation level for branch transaction
Fix
Match the isolation level to what the branch transaction requires
WHEN When isolation level conflicts arise.
Match the isolation level to what the branch transaction requires
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
Why this works
Set the isolation level at the start of the transaction before any statements are executed.
Sources
Official documentation ↗
Class 25 — Invalid Transaction State
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