org.apache.flink.table.planner.expressions

Class ExpressionBuilder

java.lang.Object

org.apache.flink.table.planner.expressions.ExpressionBuilder

public class ExpressionBuilder
extends Object

Builder for Expressions.

Constructor Summary

Constructors

Constructor and Description
ExpressionBuilder()

Method Summary

Modifier and Type	Method and Description
static org.apache.flink.table.expressions.UnresolvedCallExpression	and(org.apache.flink.table.expressions.Expression arg1, org.apache.flink.table.expressions.Expression arg2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	call(org.apache.flink.table.functions.FunctionDefinition functionDefinition, org.apache.flink.table.expressions.Expression... args)
static org.apache.flink.table.expressions.UnresolvedCallExpression	call(org.apache.flink.table.functions.FunctionDefinition functionDefinition, List<org.apache.flink.table.expressions.Expression> args)
static org.apache.flink.table.expressions.UnresolvedCallExpression	cast(org.apache.flink.table.expressions.Expression child, org.apache.flink.table.expressions.Expression type)
static org.apache.flink.table.expressions.UnresolvedCallExpression	concat(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	div(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	equalTo(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	greaterThan(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	ifThenElse(org.apache.flink.table.expressions.Expression condition, org.apache.flink.table.expressions.Expression ifTrue, org.apache.flink.table.expressions.Expression ifFalse)
static org.apache.flink.table.expressions.UnresolvedCallExpression	isNull(org.apache.flink.table.expressions.Expression input)
static org.apache.flink.table.expressions.UnresolvedCallExpression	lessThan(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.ValueLiteralExpression	literal(Object value)
static org.apache.flink.table.expressions.ValueLiteralExpression	literal(Object value, org.apache.flink.table.types.DataType type)
static org.apache.flink.table.expressions.UnresolvedCallExpression	minus(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	mod(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	not(org.apache.flink.table.expressions.Expression arg)
static org.apache.flink.table.expressions.ValueLiteralExpression	nullOf(org.apache.flink.table.types.DataType type)
static org.apache.flink.table.expressions.UnresolvedCallExpression	or(org.apache.flink.table.expressions.Expression arg1, org.apache.flink.table.expressions.Expression arg2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	plus(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.UnresolvedCallExpression	reinterpretCast(org.apache.flink.table.expressions.Expression child, org.apache.flink.table.expressions.Expression type, boolean checkOverflow)
static org.apache.flink.table.expressions.UnresolvedCallExpression	times(org.apache.flink.table.expressions.Expression input1, org.apache.flink.table.expressions.Expression input2)
static org.apache.flink.table.expressions.TypeLiteralExpression	typeLiteral(org.apache.flink.table.types.DataType type)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionBuilder

public ExpressionBuilder()

Method Detail

nullOf

public static org.apache.flink.table.expressions.ValueLiteralExpression nullOf(org.apache.flink.table.types.DataType type)

literal

public static org.apache.flink.table.expressions.ValueLiteralExpression literal(Object value)

literal

public static org.apache.flink.table.expressions.ValueLiteralExpression literal(Object value,
                                                                                org.apache.flink.table.types.DataType type)

call

public static org.apache.flink.table.expressions.UnresolvedCallExpression call(org.apache.flink.table.functions.FunctionDefinition functionDefinition,
                                                                               org.apache.flink.table.expressions.Expression... args)

call

public static org.apache.flink.table.expressions.UnresolvedCallExpression call(org.apache.flink.table.functions.FunctionDefinition functionDefinition,
                                                                               List<org.apache.flink.table.expressions.Expression> args)

and

public static org.apache.flink.table.expressions.UnresolvedCallExpression and(org.apache.flink.table.expressions.Expression arg1,
                                                                              org.apache.flink.table.expressions.Expression arg2)

or

public static org.apache.flink.table.expressions.UnresolvedCallExpression or(org.apache.flink.table.expressions.Expression arg1,
                                                                             org.apache.flink.table.expressions.Expression arg2)

not

public static org.apache.flink.table.expressions.UnresolvedCallExpression not(org.apache.flink.table.expressions.Expression arg)

isNull

public static org.apache.flink.table.expressions.UnresolvedCallExpression isNull(org.apache.flink.table.expressions.Expression input)

ifThenElse

public static org.apache.flink.table.expressions.UnresolvedCallExpression ifThenElse(org.apache.flink.table.expressions.Expression condition,
                                                                                     org.apache.flink.table.expressions.Expression ifTrue,
                                                                                     org.apache.flink.table.expressions.Expression ifFalse)

plus

public static org.apache.flink.table.expressions.UnresolvedCallExpression plus(org.apache.flink.table.expressions.Expression input1,
                                                                               org.apache.flink.table.expressions.Expression input2)

minus

public static org.apache.flink.table.expressions.UnresolvedCallExpression minus(org.apache.flink.table.expressions.Expression input1,
                                                                                org.apache.flink.table.expressions.Expression input2)

div

public static org.apache.flink.table.expressions.UnresolvedCallExpression div(org.apache.flink.table.expressions.Expression input1,
                                                                              org.apache.flink.table.expressions.Expression input2)

times

public static org.apache.flink.table.expressions.UnresolvedCallExpression times(org.apache.flink.table.expressions.Expression input1,
                                                                                org.apache.flink.table.expressions.Expression input2)

mod

public static org.apache.flink.table.expressions.UnresolvedCallExpression mod(org.apache.flink.table.expressions.Expression input1,
                                                                              org.apache.flink.table.expressions.Expression input2)

equalTo

public static org.apache.flink.table.expressions.UnresolvedCallExpression equalTo(org.apache.flink.table.expressions.Expression input1,
                                                                                  org.apache.flink.table.expressions.Expression input2)

lessThan

public static org.apache.flink.table.expressions.UnresolvedCallExpression lessThan(org.apache.flink.table.expressions.Expression input1,
                                                                                   org.apache.flink.table.expressions.Expression input2)

greaterThan

public static org.apache.flink.table.expressions.UnresolvedCallExpression greaterThan(org.apache.flink.table.expressions.Expression input1,
                                                                                      org.apache.flink.table.expressions.Expression input2)

cast

public static org.apache.flink.table.expressions.UnresolvedCallExpression cast(org.apache.flink.table.expressions.Expression child,
                                                                               org.apache.flink.table.expressions.Expression type)

reinterpretCast

public static org.apache.flink.table.expressions.UnresolvedCallExpression reinterpretCast(org.apache.flink.table.expressions.Expression child,
                                                                                          org.apache.flink.table.expressions.Expression type,
                                                                                          boolean checkOverflow)

typeLiteral

public static org.apache.flink.table.expressions.TypeLiteralExpression typeLiteral(org.apache.flink.table.types.DataType type)

concat

public static org.apache.flink.table.expressions.UnresolvedCallExpression concat(org.apache.flink.table.expressions.Expression input1,
                                                                                 org.apache.flink.table.expressions.Expression input2)