Package org.apache.calcite.sql.fun

Class SqlHistogramAggFunction

java.lang.Object

org.apache.calcite.sql.SqlOperator

org.apache.calcite.sql.SqlFunction

org.apache.calcite.sql.SqlAggFunction

org.apache.calcite.sql.fun.SqlHistogramAggFunction

All Implemented Interfaces:

Context, Wrapper

public class SqlHistogramAggFunction
extends SqlAggFunction

HISTOGRAM is the base operator that supports the Histogram MIN/MAX aggregate functions. It returns the sum of the values which go into it. It has precisely one argument of numeric type (int, long, float, double); results are retrieved using (HistogramMin) and (HistogramMax).

Field Summary

Fields

Modifier and Type	Field	Description
private RelDataType	type	Deprecated.

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

kind, MDX_PRECEDENCE, NL

Constructor Summary

Constructors

Constructor	Description
SqlHistogramAggFunction(RelDataType type)

Method Summary

Modifier and Type	Method	Description
java.util.List<RelDataType>	getParameterTypes(RelDataTypeFactory typeFactory)
RelDataType	getReturnType(RelDataTypeFactory typeFactory)
RelDataType	getType()	Deprecated.

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

allowsFilter, isAggregator, isQuantifierAllowed, requiresGroupOrder, requiresOrder, requiresOver, unwrap, validateCall

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

deriveType, getFunctionType, getNameAsId, getParamNames, getParamTypes, getSqlIdentifier, getSyntax, unparse, validateQuantifier

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

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

Methods inherited from class java.lang.Object

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

Field Detail

type

@Deprecated
private final RelDataType type

Deprecated.

Constructor Detail

SqlHistogramAggFunction

public SqlHistogramAggFunction(RelDataType type)

Method Detail

getParameterTypes

public java.util.List<RelDataType> getParameterTypes(RelDataTypeFactory typeFactory)

Overrides:

getParameterTypes in class SqlAggFunction

getType

@Deprecated
public RelDataType getType()

Deprecated.

getReturnType

public RelDataType getReturnType(RelDataTypeFactory typeFactory)

Overrides:

getReturnType in class SqlAggFunction