org.apache.flink.table.planner.functions.sql

Class SqlWindowTableFunction.AbstractOperandMetadata

java.lang.Object

org.apache.flink.table.planner.functions.sql.SqlWindowTableFunction.AbstractOperandMetadata

All Implemented Interfaces:

org.apache.calcite.sql.type.SqlOperandMetadata, org.apache.calcite.sql.type.SqlOperandTypeChecker

Enclosing class:

SqlWindowTableFunction

protected abstract static class SqlWindowTableFunction.AbstractOperandMetadata
extends Object
implements org.apache.calcite.sql.type.SqlOperandMetadata

Partial implementation of operand type checker.

Nested Class Summary

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

org.apache.calcite.sql.type.SqlOperandTypeChecker.Consistency

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.sql.type.SqlOperandTypeChecker.Consistency	getConsistency()
org.apache.calcite.sql.SqlOperandCountRange	getOperandCountRange()
boolean	isOptional(int i)
List<String>	paramNames()
List<org.apache.calcite.rel.type.RelDataType>	paramTypes(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

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 org.apache.calcite.sql.SqlOperandCountRange getOperandCountRange()

Specified by:

getOperandCountRange in interface org.apache.calcite.sql.type.SqlOperandTypeChecker

paramTypes

public List<org.apache.calcite.rel.type.RelDataType> paramTypes(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

Specified by:

paramTypes in interface org.apache.calcite.sql.type.SqlOperandMetadata

paramNames

public List<String> paramNames()

Specified by:

paramNames in interface org.apache.calcite.sql.type.SqlOperandMetadata

getConsistency

public org.apache.calcite.sql.type.SqlOperandTypeChecker.Consistency getConsistency()

Specified by:

getConsistency in interface org.apache.calcite.sql.type.SqlOperandTypeChecker

isOptional

public boolean isOptional(int i)

Specified by:

isOptional in interface org.apache.calcite.sql.type.SqlOperandTypeChecker