second88 created DRILL-5836:
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Summary: Incorrect order of columns returned from
DatabaseMetaData.getSchemas()
Key: DRILL-5836
URL: https://issues.apache.org/jira/browse/DRILL-5836
Project: Apache Drill
Issue Type: Bug
Components: Client - JDBC
Affects Versions: 1.10.0
Reporter: second88
Priority: Minor
DatabaseMetaData.getSchemas() of a Drill JDBC connection returns ResultSet with
columns (TABLE_CATALOG, TABLE_SCHEM) instead of (TABLE_SCHEM, TABLE_CATALOG).
Please refer to
[http://docs.oracle.com/javase/7/docs/api/java/sql/DatabaseMetaData.html#getSchemas()]
for details.
The potential root cause is that
org.apache.drill.jdbc.impl.DrillMetaImpl.drillFieldMetaData(Class<?> clazz)
relies on the order of the fields of clazz.
In this case, clazz is oadd.org.apache.calcite.avatica.MetaImpl.MetaSchema but
its fields tableCatalog comes first and tableSchem.
As a result, (TABLE_CATALOG, TABLE_SCHEM) is returned.
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