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Posted to dev@flink.apache.org by "pangliang (Jira)" <ji...@apache.org> on 2020/02/15 03:55:00 UTC
[jira] [Created] (FLINK-16068) table with keyword-escaped columns
and computed_column_expression columns
pangliang created FLINK-16068:
---------------------------------
Summary: table with keyword-escaped columns and computed_column_expression columns
Key: FLINK-16068
URL: https://issues.apache.org/jira/browse/FLINK-16068
Project: Flink
Issue Type: Bug
Components: Table SQL / Client
Affects Versions: 1.10.0
Reporter: pangliang
I use sql-client to create a table with keyword-escaped columns and computed_column_expression columns, like this:
{code:java}
CREATE TABLE source_kafka (
log STRING,
`time` BIGINT,
pt as proctime()
) WITH (
'connector.type' = 'kafka',
'connector.version' = 'universal',
'connector.topic' = 'k8s-logs',
'connector.startup-mode' = 'latest-offset',
'connector.properties.zookeeper.connect' = 'zk-1.zk:2181,zk-2.zk:2181,zk-3.zk:2181/kafka',
'connector.properties.bootstrap.servers' = 'kafka.default:9092',
'connector.properties.group.id' = 'testGroup',
'format.type'='json',
'format.fail-on-missing-field' = 'true',
'update-mode' = 'append'
);
{code}
Then I simply used it :
{code:java}
SELECT * from source_kafka limit 10;{code}
got an exception:
{code:java}
java.io.IOException: Fail to run stream sql job
at org.apache.zeppelin.flink.sql.AbstractStreamSqlJob.run(AbstractStreamSqlJob.java:164)
at org.apache.zeppelin.flink.FlinkStreamSqlInterpreter.callSelect(FlinkStreamSqlInterpreter.java:108)
at org.apache.zeppelin.flink.FlinkSqlInterrpeter.callCommand(FlinkSqlInterrpeter.java:203)
at org.apache.zeppelin.flink.FlinkSqlInterrpeter.runSqlList(FlinkSqlInterrpeter.java:151)
at org.apache.zeppelin.flink.FlinkSqlInterrpeter.interpret(FlinkSqlInterrpeter.java:104)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:103)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:676)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:569)
at org.apache.zeppelin.scheduler.Job.run(Job.java:172)
at org.apache.zeppelin.scheduler.AbstractScheduler.runJob(AbstractScheduler.java:121)
at org.apache.zeppelin.scheduler.ParallelScheduler.lambda$runJobInScheduler$0(ParallelScheduler.java:39)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.flink.table.api.SqlParserException: SQL parse failed. Encountered "time" at line 1, column 12.
Was expecting one of:
"ABS" ...
"ARRAY" ...
"AVG" ...
"CARDINALITY" ...
"CASE" ...
"CAST" ...
"CEIL" ...
"CEILING" ...
......
at org.apache.flink.table.planner.calcite.CalciteParser.parse(CalciteParser.java:50)
at org.apache.flink.table.planner.calcite.SqlExprToRexConverterImpl.convertToRexNodes(SqlExprToRexConverterImpl.java:79)
at org.apache.flink.table.planner.plan.schema.CatalogSourceTable.toRel(CatalogSourceTable.scala:111)
at org.apache.calcite.sql2rel.SqlToRelConverter.toRel(SqlToRelConverter.java:3328)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertIdentifier(SqlToRelConverter.java:2357)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2051)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2005)
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.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:522)
at org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlQuery(SqlToOperationConverter.java:436)
at org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:154)
at org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:66)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:464)
at org.apache.zeppelin.flink.sql.AbstractStreamSqlJob.run(AbstractStreamSqlJob.java:104)
... 13 more
{code}
I also did some tests, the following can run:
{code:java}
CREATE TABLE source_kafka (
log STRING,
`aaaaa` BIGINT,
pt as proctime()
)
CREATE TABLE source_kafka (
log STRING,
`time` BIGINT
)
CREATE TABLE source_kafka (
log STRING,
pt as proctime()
){code}
can not run:
`time` , `select`, `string`
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