Package org.apache.drill.common.expression

Class FunctionCallFactory

java.lang.Object

org.apache.drill.common.expression.FunctionCallFactory

public class FunctionCallFactory
extends Object

Constructor Summary

Constructors

Constructor	Description
FunctionCallFactory()

Method Summary

Modifier and Type	Method	Description
static String	convertToDrillFunctionName(String op)
static LogicalExpression	createAnyValue(String functionName, List<LogicalExpression> args)
static LogicalExpression	createAnyValue(ExpressionPosition ep, LogicalExpression expr)
static LogicalExpression	createBooleanOperator(String functionName, List<LogicalExpression> args)
static LogicalExpression	createBooleanOperator(String functionName, ExpressionPosition ep, List<LogicalExpression> args)
static LogicalExpression	createByOp(List<LogicalExpression> args, ExpressionPosition ep, List<String> opTypes)
static LogicalExpression	createCast(TypeProtos.MajorType type, ExpressionPosition ep, LogicalExpression expr)
static LogicalExpression	createConvert(String function, String conversionType, LogicalExpression expr, ExpressionPosition ep)
static LogicalExpression	createExpression(String functionName, List<LogicalExpression> args)
static LogicalExpression	createExpression(String functionName, ExpressionPosition ep, List<LogicalExpression> args)
static LogicalExpression	createExpression(String functionName, ExpressionPosition ep, LogicalExpression... e)
static boolean	isBooleanOperator(String funcName)

Methods inherited from class java.lang.Object

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

Constructor Details

FunctionCallFactory

public FunctionCallFactory()

Method Details

convertToDrillFunctionName

public static String convertToDrillFunctionName(String op)

isBooleanOperator

public static boolean isBooleanOperator(String funcName)

createCast

public static LogicalExpression createCast(TypeProtos.MajorType type,
 ExpressionPosition ep,
 LogicalExpression expr)

createConvert

public static LogicalExpression createConvert(String function,
 String conversionType,
 LogicalExpression expr,
 ExpressionPosition ep)

createAnyValue

public static LogicalExpression createAnyValue(ExpressionPosition ep,
 LogicalExpression expr)

createAnyValue

public static LogicalExpression createAnyValue(String functionName,
 List<LogicalExpression> args)

createExpression

public static LogicalExpression createExpression(String functionName,
 List<LogicalExpression> args)

createExpression

public static LogicalExpression createExpression(String functionName,
 ExpressionPosition ep,
 List<LogicalExpression> args)

createExpression

public static LogicalExpression createExpression(String functionName,
 ExpressionPosition ep,
 LogicalExpression... e)

createBooleanOperator

public static LogicalExpression createBooleanOperator(String functionName,
 List<LogicalExpression> args)

createBooleanOperator

public static LogicalExpression createBooleanOperator(String functionName,
 ExpressionPosition ep,
 List<LogicalExpression> args)

createByOp

public static LogicalExpression createByOp(List<LogicalExpression> args,
 ExpressionPosition ep,
 List<String> opTypes)