org.apache.calcite.sql

Class SqlWindowTableFunction.AbstractOperandMetadata

java.lang.Object

org.apache.calcite.sql.SqlWindowTableFunction.AbstractOperandMetadata

All Implemented Interfaces:

SqlOperandMetadata, SqlOperandTypeChecker

Enclosing class:

SqlWindowTableFunction

protected abstract static class SqlWindowTableFunction.AbstractOperandMetadata
extends Object
implements SqlOperandMetadata

Partial implementation of operand type checker.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.sql.type.SqlOperandTypeChecker

SqlOperandTypeChecker.Consistency

Method Summary

Modifier and Type	Method and Description
SqlOperandTypeChecker.Consistency	getConsistency() Returns the strategy for making the arguments have consistency types.
SqlOperandCountRange	getOperandCountRange() Returns the range of operand counts allowed in a call.
boolean	isOptional(int i) Returns whether the ith operand is optional.
List<String>	paramNames() Returns the names of the parameters.
List<RelDataType>	paramTypes(RelDataTypeFactory typeFactory) Returns the types of the parameters.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.sql.type.SqlOperandTypeChecker

checkOperandTypes, getAllowedSignatures, isFixedParameters, typeInference

Method Detail

getOperandCountRange

public SqlOperandCountRange getOperandCountRange()

Description copied from interface: SqlOperandTypeChecker

Returns the range of operand counts allowed in a call.

Specified by:

getOperandCountRange in interface SqlOperandTypeChecker

paramTypes

public List<RelDataType> paramTypes(RelDataTypeFactory typeFactory)

Description copied from interface: SqlOperandMetadata

Returns the types of the parameters.

Specified by:

paramTypes in interface SqlOperandMetadata

paramNames

public List<String> paramNames()

Description copied from interface: SqlOperandMetadata

Returns the names of the parameters.

Specified by:

paramNames in interface SqlOperandMetadata

getConsistency

public SqlOperandTypeChecker.Consistency getConsistency()

Description copied from interface: SqlOperandTypeChecker

Returns the strategy for making the arguments have consistency types.

Specified by:

getConsistency in interface SqlOperandTypeChecker

isOptional

public boolean isOptional(int i)

Description copied from interface: SqlOperandTypeChecker

Returns whether the ith operand is optional.

Specified by:

isOptional in interface SqlOperandTypeChecker