org.apache.beam.sdk.extensions.sql.meta.provider.text

Class TextTableProvider

java.lang.Object

org.apache.beam.sdk.extensions.sql.meta.provider.InMemoryMetaTableProvider

org.apache.beam.sdk.extensions.sql.meta.provider.text.TextTableProvider

All Implemented Interfaces:

TableProvider

@AutoService(value=TableProvider.class)
public class TextTableProvider
extends InMemoryMetaTableProvider

Text table provider.

A sample of text table is:

 CREATE TABLE ORDERS(
   ID INT COMMENT 'this is the primary key',
   NAME VARCHAR(127) COMMENT 'this is the name'
 )
 TYPE 'text'
 COMMENT 'this is the table orders'
 LOCATION '/home/admin/orders'
 TBLPROPERTIES '{"format":"csv", "csvformat": "Excel"}' -- format of each text line(csv format)
 

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TextTableProvider.CsvToRow Read-side converter for TextTable with format 'csv'.
static class	TextTableProvider.LinesReadConverter Read-side converter for TextTable with format 'lines'.
static class	TextTableProvider.LinesWriteConverter Write-side converter for for TextTable with format 'lines'.

Constructor Summary

Constructors

Constructor and Description
TextTableProvider()

Method Summary

Modifier and Type	Method and Description
BeamSqlTable	buildBeamSqlTable(Table table) Build a BeamSqlTable using the given table meta info.
java.lang.String	getTableType() Gets the table type this provider handles.

Methods inherited from class org.apache.beam.sdk.extensions.sql.meta.provider.InMemoryMetaTableProvider

createTable, dropTable, getTables

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.beam.sdk.extensions.sql.meta.provider.TableProvider

getSubProvider, getSubProviders, getTable

Constructor Detail

TextTableProvider

public TextTableProvider()

Method Detail

getTableType

public java.lang.String getTableType()

Description copied from interface: TableProvider

Gets the table type this provider handles.

buildBeamSqlTable

public BeamSqlTable buildBeamSqlTable(Table table)

Description copied from interface: TableProvider

Build a BeamSqlTable using the given table meta info.