org.apache.flink.table.expressions

Class ExpressionParser

java.lang.Object

org.apache.flink.table.expressions.ExpressionParser

@Internal
public final class ExpressionParser
extends Object

Parser for expressions inside a String. This parses exactly the same expressions that would be accepted by the Scala Expression DSL.

ExpressionParser use PlannerExpressionParser to parse expressions.

Constructor Summary

Constructors

Constructor and Description
ExpressionParser()

Method Summary

Modifier and Type	Method and Description
static org.apache.flink.table.expressions.Expression	parseExpression(String exprString)
static List<org.apache.flink.table.expressions.Expression>	parseExpressionList(String expression)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpressionParser

public ExpressionParser()

Method Detail

parseExpression

public static org.apache.flink.table.expressions.Expression parseExpression(String exprString)

parseExpressionList

public static List<org.apache.flink.table.expressions.Expression> parseExpressionList(String expression)