Package org.apache.arrow.driver.jdbc.utils

Class ConvertUtils

java.lang.Object

org.apache.arrow.driver.jdbc.utils.ConvertUtils

public final class ConvertUtils
extends Object

Convert objects between Arrow and Avatica.

Method Summary

Modifier and Type	Method	Description
static List<org.apache.calcite.avatica.AvaticaParameter>	convertArrowFieldsToAvaticaParameters(List<Field> fields)	Convert Fields To Avatica Parameters.
static List<org.apache.calcite.avatica.ColumnMetaData>	convertArrowFieldsToColumnMetaDataList(List<Field> fields)	Convert Fields To Column MetaData List functions.
static void	setOnColumnMetaDataBuilder(org.apache.calcite.avatica.proto.Common.ColumnMetaData.Builder builder, Map<String,String> metadataMap)	Set on Column MetaData Builder.

Methods inherited from class java.lang.Object

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

Method Details

convertArrowFieldsToColumnMetaDataList

public static List<org.apache.calcite.avatica.ColumnMetaData> convertArrowFieldsToColumnMetaDataList(List<Field> fields)

Convert Fields To Column MetaData List functions.

Parameters:

fields - list of Field.

Returns:

list of ColumnMetaData.

setOnColumnMetaDataBuilder

public static void setOnColumnMetaDataBuilder(org.apache.calcite.avatica.proto.Common.ColumnMetaData.Builder builder,
 Map<String,String> metadataMap)

Set on Column MetaData Builder.

Parameters:

builder - Common.ColumnMetaData.Builder

metadataMap - Map

convertArrowFieldsToAvaticaParameters

public static List<org.apache.calcite.avatica.AvaticaParameter> convertArrowFieldsToAvaticaParameters(List<Field> fields)

Convert Fields To Avatica Parameters.

Parameters:

fields - list of Field.

Returns:

list of AvaticaParameter.