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https://issues.apache.org/jira/browse/FLINK-15366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee updated FLINK-15366:
---------------------------------
Fix Version/s: 1.11.0
> Dimension table do not support computed column
> ----------------------------------------------
>
> Key: FLINK-15366
> URL: https://issues.apache.org/jira/browse/FLINK-15366
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.10.0
> Reporter: Leonard Xu
> Priority: Major
> Fix For: 1.11.0
>
>
> In Flink 1.10, we bring computed column feature, but I found dimension table
> do not support this feature.
> public static final String mysqlCurrencyDDL = "CREATE TABLE currency (\n" +
> " currency_id BIGINT,\n" +
> " currency_name STRING,\n" +
> " rate DECIMAL(38, 4),\n" +
> " currency_time TIMESTAMP(3),\n" +
> " country STRING,\n" +
> " timestamp6 TIMESTAMP(6),\n" +
> " currency_next as currency_id + 1,\n" +
> " time6 TIME(6),\n" +
> " gdp DECIMAL(10, 4)\n" +
> ") WITH (\n" +
> " 'connector.type' = 'jdbc',\n" +
> " 'connector.url' = 'jdbc:mysql://localhost:3306/test',\n" +
> " 'connector.username' = 'root'," +
> " 'connector.table' = 'currency',\n" +
> " 'connector.driver' = 'com.mysql.jdbc.Driver',\n" +
> " 'connector.lookup.cache.max-rows' = '500', \n" +
> " 'connector.lookup.cache.ttl' = '10s',\n" +
> " 'connector.lookup.max-retries' = '3'" +
> ")";
>
> //
> {code:java}
> //
> Exception in thread "main" java.lang.ClassCastException:
> org.apache.calcite.rel.logical.LogicalProject cannot be cast to
> org.apache.calcite.rel.core.TableScanException in thread "main"
> java.lang.ClassCastException: org.apache.calcite.rel.logical.LogicalProject
> cannot be cast to org.apache.calcite.rel.core.TableScan at
> org.apache.calcite.sql2rel.SqlToRelConverter.snapshotTemporalTable(SqlToRelConverter.java:2438)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2062)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2005)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2085)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:646)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:627)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3181)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:563)
> at
> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:148)
> at
> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:135)
> at
> org.apache.flink.table.planner.operations.SqlToOperationConverter.toQueryOperation(SqlToOperationConverter.java:523)
> at
> org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlQuery(SqlToOperationConverter.java:437)
> at
> org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:154)
> at
> org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlInsert(SqlToOperationConverter.java:343)
> at
> org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:142)
> at
> org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:66)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlUpdate(TableEnvironmentImpl.java:484)
> at job.KafkaJoinJdbc2Jdbc.main(KafkaJoinJdbc2Jdbc.java:59)
> Process finished with exit code 1
> {code}
>
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