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https://issues.apache.org/jira/browse/FLINK-19956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17226882#comment-17226882
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Rex Remind commented on FLINK-19956:
------------------------------------
Sure thing
{code:java}
import com.remind.graph.people.PeopleJobScala
import org.scalatest.funsuite._
import org.scalatest.BeforeAndAfter
import org.apache.flink.streaming.api.scala.{
DataStream,
StreamExecutionEnvironment
}
import org.apache.flink.streaming.util.TestStreamEnvironment
import org.apache.flink.table.runtime.util._
import org.apache.flink.test.util.AbstractTestBase
import org.apache.flink.table.api._
import org.apache.flink.table.api.bridge.scala._
import org.apache.flink.streaming.api.scala._
import org.apache.flink.streaming.api.functions.sink.RichSinkFunction
import org.apache.flink.streaming.api.checkpoint.CheckpointedFunction
import org.apache.flink.api.common.state.ListState
import org.apache.flink.runtime.state.FunctionInitializationContext
import org.apache.flink.api.common.state.ListStateDescriptor
import org.apache.flink.runtime.state.FunctionSnapshotContext
import org.apache.flink.types.Row
import java.io.Serializable;
import java.sql.Timestamp;
import java.text.SimpleDateFormat
import java.time.Instant
import java.util.concurrent.atomic.AtomicInteger
import java.{util => ju}
import scala.collection.JavaConverters._
import scala.collection.mutable
import scala.util.Try
import com.remind.graph.JavaPojos.{Order, ProductItem, User, OrganizationsUser}
import com.remind.graph.OrganizationsUserTypeInfoFactory
import com.remind.graph.people.PeopleJobScala.{Teacher, Admin}
{code}
> $ does not work on variables without being qualified in Scala
> -------------------------------------------------------------
>
> Key: FLINK-19956
> URL: https://issues.apache.org/jira/browse/FLINK-19956
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.11.2
> Environment: MacOS
> Reporter: Rex Remind
> Priority: Minor
>
> This does not compile:
> {code:java}
> val columnName = "bool_column"
> table.filter($(column) === true) {code}
>
> {color:#333333}This does:{color}
> {code:java}
> val columnName = "bool_column"
> table.filter(Expressions.$(column) === true) {code}
>
> {color:#333333}There's nothing obviously documented to using the later.{color}
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