org.apache.calcite.sql.validate

Class SqlUserDefinedFunction

java.lang.Object

org.apache.calcite.sql.SqlOperator

org.apache.calcite.sql.SqlFunction

org.apache.calcite.sql.validate.SqlUserDefinedFunction

Direct Known Subclasses:

SqlUserDefinedTableFunction

public class SqlUserDefinedFunction
extends SqlFunction

User-defined scalar function.

Created by the validator, after resolving a function call to a function defined in a Calcite schema.

Field Summary

Fields

Modifier and Type	Field and Description
Function	function

Fields inherited from class org.apache.calcite.sql.SqlOperator

kind, MDX_PRECEDENCE, NL

Constructor Summary

Constructors

Constructor and Description
SqlUserDefinedFunction(SqlIdentifier opName, SqlReturnTypeInference returnTypeInference, SqlOperandTypeInference operandTypeInference, SqlOperandTypeChecker operandTypeChecker, List<RelDataType> paramTypes, Function function)

Method Summary

Methods

Modifier and Type	Method and Description
Function	getFunction() Returns function that implements given operator call.

Methods inherited from class org.apache.calcite.sql.SqlFunction

deriveType, getFunctionType, getNameAsId, getParamTypes, getSqlIdentifier, getSyntax, isQuantifierAllowed, unparse, validateCall, validateQuantifier

Methods inherited from class org.apache.calcite.sql.SqlOperator

acceptCall, acceptCall, adjustType, allowsFraming, argumentMustBeScalar, checkOperandCount, checkOperandTypes, createCall, createCall, createCall, createCall, equals, getAllowedSignatures, getAllowedSignatures, getKind, getLeftPrec, getMonotonicity, getName, getOperandCountRange, getOperandTypeChecker, getOperandTypeInference, getReturnTypeInference, getRightPrec, getSignatureTemplate, hashCode, inferReturnType, inferReturnType, isAggregator, isDeterministic, isDynamicFunction, isName, leftPrec, preValidateCall, requiresDecimalExpansion, requiresOrder, rewriteCall, rightPrec, toString, unparseListClause, unparseListClause, validateOperands, validRexOperands

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

function

public final Function function

Constructor Detail

SqlUserDefinedFunction

public SqlUserDefinedFunction(SqlIdentifier opName,
                      SqlReturnTypeInference returnTypeInference,
                      SqlOperandTypeInference operandTypeInference,
                      SqlOperandTypeChecker operandTypeChecker,
                      List<RelDataType> paramTypes,
                      Function function)

Method Detail

getFunction

public Function getFunction()

Returns function that implements given operator call.

Returns:

function that implements given operator call