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Posted to issues@flink.apache.org by "Nicholas Jiang (Jira)" <ji...@apache.org> on 2020/05/28 12:03:00 UTC
[jira] [Commented] (FLINK-17996) NEP in
CatalogTableStatisticsConverter.convertToColumnStats method
[ https://issues.apache.org/jira/browse/FLINK-17996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17118600#comment-17118600 ]
Nicholas Jiang commented on FLINK-17996:
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[~lzljs3620320]Could you please assign this bug to me for fixing? Method createTableColumnStats of HiveStatsUtil could return null, which cause columnStatisticsData could be null.
> NEP in CatalogTableStatisticsConverter.convertToColumnStats method
> ------------------------------------------------------------------
>
> Key: FLINK-17996
> URL: https://issues.apache.org/jira/browse/FLINK-17996
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: godfrey he
> Priority: Major
> Fix For: 1.11.0
>
>
> Currently, hive catalog only supports a few kinds of statistics, otherwise return null. (see HiveStatsUtil#createTableColumnStats). If there is a decimal statistics, NEP will occur in CatalogTableStatisticsConverter.convertToColumnStats method
> Caused by: java.lang.NullPointerException
> at org.apache.flink.table.planner.utils.CatalogTableStatisticsConverter.convertToColumnStats(CatalogTableStatisticsConverter.java:77)
> at org.apache.flink.table.planner.utils.CatalogTableStatisticsConverter.convertToColumnStatsMap(CatalogTableStatisticsConverter.java:68)
> at org.apache.flink.table.planner.utils.CatalogTableStatisticsConverter.convertToTableStats(CatalogTableStatisticsConverter.java:57)
> at org.apache.flink.table.planner.catalog.DatabaseCalciteSchema.extractTableStats(DatabaseCalciteSchema.java:113)
> at org.apache.flink.table.planner.catalog.DatabaseCalciteSchema.getStatistic(DatabaseCalciteSchema.java:97)
> at org.apache.flink.table.planner.catalog.DatabaseCalciteSchema.lambda$getTable$0(DatabaseCalciteSchema.java:74)
> at java.util.Optional.map(Optional.java:215)
> at org.apache.flink.table.planner.catalog.DatabaseCalciteSchema.getTable(DatabaseCalciteSchema.java:72)
> at org.apache.calcite.
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