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https://issues.apache.org/jira/browse/HIVE-24143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-24143 started by Jesus Camacho Rodriguez.
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> Include convention in JDBC converter operator in Calcite plan
> -------------------------------------------------------------
>
> Key: HIVE-24143
> URL: https://issues.apache.org/jira/browse/HIVE-24143
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Affects Versions: 4.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Minor
>
> Among others, it will be useful to debug the dialect being chosen for query
> generation. For instance:
> {code}
> HiveProject(jdbc_type_conversion_table1.ikey=[$0],
> jdbc_type_conversion_table1.bkey=[$1], jdbc_type_conversion_table1.fkey=[$2],
> jdbc_type_conversion_table1.dkey=[$3],
> jdbc_type_conversion_table1.chkey=[$4],
> jdbc_type_conversion_table1.dekey=[$5],
> jdbc_type_conversion_table1.dtkey=[$6], jdbc_type_conversion_table1.tkey=[$7])
> HiveProject(ikey=[$0], bkey=[$1], fkey=[$2], dkey=[$3], chkey=[$4],
> dekey=[$5], dtkey=[$6], tkey=[$7])
> -----> HiveJdbcConverter(convention=[JDBC.DERBY])
> JdbcHiveTableScan(table=[[default, jdbc_type_conversion_table1]],
> table:alias=[jdbc_type_conversion_table1])
> {code}
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