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Added mapping for missing types that caused NPE #2722
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Client V2 CoverageCoverage Report
Class Coverage
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JDBC V2 CoverageCoverage Report
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JDBC V1 CoverageCoverage Report
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Client V1 CoverageCoverage Report
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mzitnik
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Jan 27, 2026
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@chernser let's see what we can do to stabilize tests
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Summary
Closes #2711
Checklist
Delete items not relevant to your PR:
Note
Adds comprehensive JDBC mappings for previously unmapped ClickHouse types to prevent NPEs and improve metadata/class resolution.
JdbcUtilsmapping: addsBFloat16,Decimal256,Geometry,UUID,IPv4/IPv6, multipleInterval*,JSON,Object,LowCardinality,Nullable,SimpleAggregateFunction,AggregateFunction,Variant,Dynamic,QBit; changesMaptoJDBCType.OTHER; mapsUUIDtoUUID.classin Java class mapMapcolumns now reportTypes.OTHERUUID, arrays ofIPv4/IPv6(includingNullable(IPv6)), and arrays ofMap(String, Int32); unit test ensures everyClickHouseDataTypehas a Java class mappingWritten by Cursor Bugbot for commit a3f014e. This will update automatically on new commits. Configure here.