org.apache.flink.table.planner.plan.type

类 NumericOrDefaultReturnTypeInference

java.lang.Object

org.apache.flink.table.planner.plan.type.NumericOrDefaultReturnTypeInference

所有已实现的接口:

org.apache.calcite.sql.type.SqlReturnTypeInference

public class NumericOrDefaultReturnTypeInference
extends Object
implements org.apache.calcite.sql.type.SqlReturnTypeInference

Determine the return type of functions with numeric arguments. The return type is the type of the argument with the largest range. We start to consider the arguments from the `startTypeIdx`-th one. If one of the arguments is not of numeric type, we return the type of the `defaultTypeIdx`-th argument instead.

构造器概要

构造器

构造器和说明
NumericOrDefaultReturnTypeInference(int defaultTypeIdx)
NumericOrDefaultReturnTypeInference(int defaultTypeIdx, int startTypeIdx)

方法概要

限定符和类型	方法和说明
org.apache.calcite.rel.type.RelDataType	inferReturnType(org.apache.calcite.sql.SqlOperatorBinding opBinding)

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.calcite.sql.type.SqlReturnTypeInference

andThen, orElse

构造器详细资料

NumericOrDefaultReturnTypeInference

public NumericOrDefaultReturnTypeInference(int defaultTypeIdx)

NumericOrDefaultReturnTypeInference

public NumericOrDefaultReturnTypeInference(int defaultTypeIdx,
                                           int startTypeIdx)

方法详细资料

inferReturnType

public org.apache.calcite.rel.type.RelDataType inferReturnType(org.apache.calcite.sql.SqlOperatorBinding opBinding)

指定者:

inferReturnType 在接口中 org.apache.calcite.sql.type.SqlReturnTypeInference