org.apache.flink.table.runtime.types

Class DataTypePrecisionFixer

java.lang.Object

org.apache.flink.table.runtime.types.DataTypePrecisionFixer

All Implemented Interfaces:

org.apache.flink.table.types.DataTypeVisitor<org.apache.flink.table.types.DataType>

public final class DataTypePrecisionFixer
extends Object
implements org.apache.flink.table.types.DataTypeVisitor<org.apache.flink.table.types.DataType>

The data type visitor used to fix the precision for data type with the given logical type which carries the correct precisions. The original data type may loses precision because of conversion from TypeInformation.

Constructor Summary

Constructors

Constructor and Description
DataTypePrecisionFixer(org.apache.flink.table.types.logical.LogicalType logicalType) Creates a new instance with the given logical type.

Method Summary

Modifier and Type	Method and Description
org.apache.flink.table.types.DataType	visit(org.apache.flink.table.types.AtomicDataType dataType)
org.apache.flink.table.types.DataType	visit(org.apache.flink.table.types.CollectionDataType collectionDataType)
org.apache.flink.table.types.DataType	visit(org.apache.flink.table.types.FieldsDataType fieldsDataType)
org.apache.flink.table.types.DataType	visit(org.apache.flink.table.types.KeyValueDataType keyValueDataType)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataTypePrecisionFixer

public DataTypePrecisionFixer(org.apache.flink.table.types.logical.LogicalType logicalType)

Creates a new instance with the given logical type.

Parameters:

logicalType - the logical type which carries the correct precisions.

Method Detail

visit

public org.apache.flink.table.types.DataType visit(org.apache.flink.table.types.AtomicDataType dataType)

Specified by:

visit in interface org.apache.flink.table.types.DataTypeVisitor<org.apache.flink.table.types.DataType>

visit

public org.apache.flink.table.types.DataType visit(org.apache.flink.table.types.CollectionDataType collectionDataType)

Specified by:

visit in interface org.apache.flink.table.types.DataTypeVisitor<org.apache.flink.table.types.DataType>

visit

public org.apache.flink.table.types.DataType visit(org.apache.flink.table.types.FieldsDataType fieldsDataType)

Specified by:

visit in interface org.apache.flink.table.types.DataTypeVisitor<org.apache.flink.table.types.DataType>

visit

public org.apache.flink.table.types.DataType visit(org.apache.flink.table.types.KeyValueDataType keyValueDataType)

Specified by:

visit in interface org.apache.flink.table.types.DataTypeVisitor<org.apache.flink.table.types.DataType>