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Consider any "0A000" error a possible cached plan changed error 

https://github.com/jackc/pgx/issues/1162
non-blocking
Jack Christensen 2022-03-05 08:23:58 -06:00
parent ded272b1f2
commit b7a85d1a6f
1 changed files with 8 additions and 4 deletions
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12
stmtcache/lru.go
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@ -102,10 +102,14 @@ func (c *LRU) StatementErrored(sql string, err error) {
return
}
isInvalidCachedPlanError := pgErr.Severity == "ERROR" &&
pgErr.Code == "0A000" &&
pgErr.Message == "cached plan must not change result type"
if isInvalidCachedPlanError {
// https://github.com/jackc/pgx/issues/1162
//
// We used to look for the message "cached plan must not change result type". However, that message can be localized.
// Unfortunately, error code "0A000" - "FEATURE NOT SUPPORTED" is used for many different errors and the only way to
// tell the difference is by the message. But all that happens is we clear a statement that we otherwise wouldn't
// have so it should be safe.
possibleInvalidCachedPlanError := pgErr.Code == "0A000"
if possibleInvalidCachedPlanError {
c.stmtsToClear = append(c.stmtsToClear, sql)
}
}