[jira] [Created] (FLINK-15508) support DataType with precision in ExpressionParser

[Shang Yuanchun (Jira)]

Leonard Xu created FLINK-15508:
----------------------------------

             Summary: support DataType with precision in ExpressionParser
                 Key: FLINK-15508
                 URL: https://issues.apache.org/jira/browse/FLINK-15508
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / API
            Reporter: Leonard Xu
             Fix For: 1.11.0


PlannerExpressionParser do not support DataTypes with precision like `DECIMAL(38, 0)`, this will lead following api test fail.
{code:java}
//success
testTableApi("123456789123456789123456789".cast(DataTypes.DECIMAL(38, 0)),
  "123456789123456789123456789")
//fail
testTableApi(ExpressionParser.parseExpression(
  "'123456789123456789123456789'.cast(DECIMAL(38, 0))"),
  "123456789123456789123456789")
{code}
org.apache.flink.table.api.ValidationException: Undefined function: DECIMALorg.apache.flink.table.api.ValidationException: Undefined function: DECIMAL at org.apache.flink.table.expressions.resolver.LookupCallResolver.lambda$visit$0(LookupCallResolver.java:47) at java.util.Optional.orElseThrow(Optional.java:290) at org.apache.flink.table.expressions.resolver.LookupCallResolver.visit(LookupCallResolver.java:47) at org.apache.flink.table.expressions.resolver.LookupCallResolver.visit(LookupCallResolver.java:36) at org.apache.flink.table.expressions.ApiExpressionVisitor.visit(ApiExpressionVisitor.java:37) at org.apache.flink.table.expressions.LookupCallExpression.accept(LookupCallExpression.java:66) at org.apache.flink.table.expressions.resolver.LookupCallResolver.lambda$resolveChildren$1(LookupCallResolver.java:62) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at org.apache.flink.table.expressions.resolver.LookupCallResolver.resolveChildren(LookupCallResolver.java:63) at org.apache.flink.table.expressions.resolver.LookupCallResolver.visit(LookupCallResolver.java:52) at org.apache.flink.table.expressions.resolver.LookupCallResolver.visit(LookupCallResolver.java:36) at org.apache.flink.table.expressions.ApiExpressionVisitor.visit(ApiExpressionVisitor.java:37) at org.apache.flink.table.expressions.LookupCallExpression.accept(LookupCallExpression.java:66) at org.apache.flink.table.api.internal.TableImpl.lambda$select$0(TableImpl.java:123) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at org.apache.flink.table.api.internal.TableImpl.select(TableImpl.java:124) at org.apache.flink.table.planner.expressions.utils.ExpressionTestBase.addTableApiTestExpr(ExpressionTestBase.scala:242) at org.apache.flink.table.planner.expressions.utils.ExpressionTestBase.testTableApi(ExpressionTestBase.scala:232) at org.apache.flink.table.planner.expressions.DecimalTypeTest.testDecimal(DecimalTypeTest.scala:156) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:239) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)



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