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Commit9e95c9a

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Create new errcode for recovery conflict caused by db drop on master.
Previously reported as ERRCODE_ADMIN_SHUTDOWN, this case is nowreported as ERRCODE_T_R_DATABASE_DROPPED. No message text change.Unlikely to happen on most servers, so low impact change to allowsession poolers to correctly handle this situation.Tatsuo Ishii, edits by me, review by Robert Haas
1 parent44df84d commit9e95c9a

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4 files changed

+13
-1
lines changed

4 files changed

+13
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‎doc/src/sgml/errcodes.sgml

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@@ -985,6 +985,11 @@
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<entry>deadlock_detected</entry>
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</row>
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<row>
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<entry><literal>40P02</literal></entry>
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<entry>DATABASE DROPPED</entry>
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<entry>database_dropped</entry>
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</row>
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<row>
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<entry spanname="span13"><emphasis role="bold">Class 42 &mdash; Syntax Error or Access Rule Violation</></entry>

‎src/backend/tcop/postgres.c

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@@ -2912,9 +2912,11 @@ ProcessInterrupts(void)
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}
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elseif (RecoveryConflictPending)
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{
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/* Currently there is only one non-retryable recovery conflict */
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Assert(RecoveryConflictReason==PROCSIG_RECOVERY_CONFLICT_DATABASE);
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pgstat_report_recovery_conflict(RecoveryConflictReason);
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ereport(FATAL,
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(errcode(ERRCODE_ADMIN_SHUTDOWN),
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(errcode(ERRCODE_T_R_DATABASE_DROPPED),
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errmsg("terminating connection due to conflict with recovery"),
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errdetail_recovery_conflict()));
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}

‎src/include/utils/errcodes.h

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@@ -243,6 +243,7 @@
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#defineERRCODE_T_R_SERIALIZATION_FAILUREMAKE_SQLSTATE('4','0', '0','0','1')
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#defineERRCODE_T_R_STATEMENT_COMPLETION_UNKNOWNMAKE_SQLSTATE('4','0', '0','0','3')
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#defineERRCODE_T_R_DEADLOCK_DETECTEDMAKE_SQLSTATE('4','0', 'P','0','1')
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#defineERRCODE_T_R_DATABASE_DROPPEDMAKE_SQLSTATE('4','0', 'P','0','2')
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/* Class 42 - Syntax Error or Access Rule Violation */
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#defineERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATIONMAKE_SQLSTATE('4','2', '0','0','0')

‎src/pl/plpgsql/src/plerrcodes.h

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@@ -483,6 +483,10 @@
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"deadlock_detected",ERRCODE_T_R_DEADLOCK_DETECTED
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},
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{
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"database_dropped",ERRCODE_T_R_DATABASE_DROPPED
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},
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{
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"syntax_error_or_access_rule_violation",ERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATION
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},

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