[FLINK-16068] table with keyword-escaped columns and computed_column_expression columns

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.10.0
• Fix Version/s: 1.10.1, 1.11.0
• Component/s: Table SQL / Client
• Labels: pull-request-available
• Assignee: Benchao Li
• Reporter: pangliang
• Created: 15/Feb/20 03:54
• Updated: 02/Mar/20 06:21
• Resolved: 18/Feb/20 07:11

Description

I use sql-client to create a table with keyword-escaped column and computed_column_expression column, like this:

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'
);

Then I simply used it :

SELECT * from source_kafka limit 10;

got an exception:

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

I also did some tests, the following can run:

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()
)

can not run:

`time` , `select`, `string`

 

Issue Links

• duplicates: FLINK-16358 Failed to execute when using rowtime or proctime and table keywords
• links to: GitHub Pull Request #11101