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DBZ-2949 Guard against LAST_DDL_TIME with value of 0

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Chris Cranford 2021-01-22 15:35:28 -05:00 committed by Gunnar Morling
parent fcd497557e
commit 83fee1cbfc
1 changed files with 9 additions and 1 deletions
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10
debezium-connector-oracle/src/main/java/io/debezium/connector/oracle/OracleSnapshotChangeEventSource.java
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@ -184,7 +184,15 @@ private Optional<Long> getLatestTableDdlScn(RelationalSnapshotContext ctx) throw
throw new IllegalStateException("Couldn't get latest table DDL SCN");
}
return Optional.of(rs.getLong(1));
// Guard against LAST_DDL_TIME with value of 0.
// This case should be treated as if we were unable to determine a value for LAST_DDL_TIME.
// This forces later calculations to be based upon the current SCN.
Long latestDdlTime = rs.getLong(1);
if (latestDdlTime != null && latestDdlTime == 0L) {
return Optional.empty();
}
return Optional.of(latestDdlTime);
}
catch (SQLException e) {
if (e.getErrorCode() == 8180) {