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Posted to issues@flink.apache.org by "Chengxiang Li (JIRA)" <ji...@apache.org> on 2016/02/25 04:35:18 UTC
[jira] [Updated] (FLINK-3486) [SQL] Use Project to rename all
record fields would fail following Project.
[ https://issues.apache.org/jira/browse/FLINK-3486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chengxiang Li updated FLINK-3486:
---------------------------------
Component/s: Table API
> [SQL] Use Project to rename all record fields would fail following Project.
> ---------------------------------------------------------------------------
>
> Key: FLINK-3486
> URL: https://issues.apache.org/jira/browse/FLINK-3486
> Project: Flink
> Issue Type: Bug
> Components: Table API
> Reporter: Chengxiang Li
>
> {noformat} val t = CollectionDataSets.get3TupleDataSet(env).toTable
> .select('_1 as 'a, '_2 as 'b, '_3 as 'c)
> .select('a, 'b)
> {noformat}
> would throw exception like:
> {noformat}
> java.lang.IllegalArgumentException: field [a] not found; input fields are: [_1, _2, _3]
> at org.apache.calcite.tools.RelBuilder.field(RelBuilder.java:290)
> at org.apache.calcite.tools.RelBuilder.field(RelBuilder.java:275)
> at org.apache.flink.api.table.plan.RexNodeTranslator$.toRexNode(RexNodeTranslator.scala:80)
> at org.apache.flink.api.table.Table$$anonfun$5.apply(table.scala:98)
> at org.apache.flink.api.table.Table$$anonfun$5.apply(table.scala:98) {noformat}
> new alias names are lost.
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