com.gpudb.protocol

Class ExportRecordsToTableRequest

java.lang.Object

com.gpudb.protocol.ExportRecordsToTableRequest

All Implemented Interfaces:

org.apache.avro.generic.GenericContainer, org.apache.avro.generic.IndexedRecord

public class ExportRecordsToTableRequest
extends Object
implements org.apache.avro.generic.IndexedRecord

A set of parameters for GPUdb.exportRecordsToTable.

Exports records from source table to the specified target table in an external database

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExportRecordsToTableRequest.Options A set of string constants for the ExportRecordsToTableRequest parameter options.

Constructor Summary

Constructors

Constructor and Description
ExportRecordsToTableRequest() Constructs an ExportRecordsToTableRequest object with default parameters.
ExportRecordsToTableRequest(String tableName, String remoteQuery, Map<String,String> options) Constructs an ExportRecordsToTableRequest object with the specified parameters.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
Object	get(int index) This method supports the Avro framework and is not intended to be called directly by the user.
static org.apache.avro.Schema	getClassSchema() This method supports the Avro framework and is not intended to be called directly by the user.
Map<String,String>	getOptions() Optional parameters.
String	getRemoteQuery() Parameterized insert query to export gpudb table data into remote database.
org.apache.avro.Schema	getSchema() This method supports the Avro framework and is not intended to be called directly by the user.
String	getTableName() Name of the table from which the data will be exported to remote database, in [schema_name.]table_name format, using standard	int	hashCode()
void	put(int index, Object value) This method supports the Avro framework and is not intended to be called directly by the user.
ExportRecordsToTableRequest	setOptions(Map<String,String> options) Optional parameters.
ExportRecordsToTableRequest	setRemoteQuery(String remoteQuery) Parameterized insert query to export gpudb table data into remote database.
ExportRecordsToTableRequest	setTableName(String tableName) Name of the table from which the data will be exported to remote database, in [schema_name.]table_name format, using standard	String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ExportRecordsToTableRequest

public ExportRecordsToTableRequest()

Constructs an ExportRecordsToTableRequest object with default parameters.

ExportRecordsToTableRequest

public ExportRecordsToTableRequest(String tableName,
                                   String remoteQuery,
                                   Map<String,String> options)

Constructs an ExportRecordsToTableRequest object with the specified parameters.

Parameters:

tableName - Name of the table from which the data will be exported to remote database, in [schema_name.]table_name format, using standard name resolution rules.

remoteQuery - Parameterized insert query to export gpudb table data into remote database. The default value is ''.

options - Optional parameters.

• BATCH_SIZE: Batch size, which determines how many rows to export per round trip. The default value is '200000'.
• DATASINK_NAME: Name of an existing external data sink to which table name specified in tableName will be exported
• JDBC_SESSION_INIT_STATEMENT: Executes the statement per each jdbc session before doing actual load. The default value is ''.
• JDBC_CONNECTION_INIT_STATEMENT: Executes the statement once before doing actual load. The default value is ''.
• REMOTE_TABLE: Name of the target table to which source table is exported. When this option is specified remote_query cannot be specified. The default value is ''.
• USE_ST_GEOMFROM_CASTS: Wraps parametrized variables with st_geomfromtext or st_geomfromwkb based on source column type. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.
• USE_INDEXED_PARAMETERS: Uses $n style syntax when generating insert query for remote_table option. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.

The default value is an empty Map.

Method Detail

getClassSchema

public static org.apache.avro.Schema getClassSchema()

This method supports the Avro framework and is not intended to be called directly by the user.

Returns:

The schema for the class.

getTableName

public String getTableName()

Name of the table from which the data will be exported to remote database, in [schema_name.]table_name format, using standard name resolution rules.

Returns:

The current value of tableName.

setTableName

public ExportRecordsToTableRequest setTableName(String tableName)

Name of the table from which the data will be exported to remote database, in [schema_name.]table_name format, using standard name resolution rules.

Parameters:

tableName - The new value for tableName.

Returns:

this to mimic the builder pattern.

getRemoteQuery

public String getRemoteQuery()

Parameterized insert query to export gpudb table data into remote database. The default value is ''.

Returns:

The current value of remoteQuery.

setRemoteQuery

public ExportRecordsToTableRequest setRemoteQuery(String remoteQuery)

Parameterized insert query to export gpudb table data into remote database. The default value is ''.

Parameters:

remoteQuery - The new value for remoteQuery.

Returns:

this to mimic the builder pattern.

getOptions

public Map<String,String> getOptions()

Optional parameters.

• BATCH_SIZE: Batch size, which determines how many rows to export per round trip. The default value is '200000'.
• DATASINK_NAME: Name of an existing external data sink to which table name specified in tableName will be exported
• JDBC_SESSION_INIT_STATEMENT: Executes the statement per each jdbc session before doing actual load. The default value is ''.
• JDBC_CONNECTION_INIT_STATEMENT: Executes the statement once before doing actual load. The default value is ''.
• REMOTE_TABLE: Name of the target table to which source table is exported. When this option is specified remote_query cannot be specified. The default value is ''.
• USE_ST_GEOMFROM_CASTS: Wraps parametrized variables with st_geomfromtext or st_geomfromwkb based on source column type. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.
• USE_INDEXED_PARAMETERS: Uses $n style syntax when generating insert query for remote_table option. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.

The default value is an empty Map.

Returns:

The current value of options.

setOptions

public ExportRecordsToTableRequest setOptions(Map<String,String> options)

Optional parameters.

• BATCH_SIZE: Batch size, which determines how many rows to export per round trip. The default value is '200000'.
• DATASINK_NAME: Name of an existing external data sink to which table name specified in tableName will be exported
• JDBC_SESSION_INIT_STATEMENT: Executes the statement per each jdbc session before doing actual load. The default value is ''.
• JDBC_CONNECTION_INIT_STATEMENT: Executes the statement once before doing actual load. The default value is ''.
• REMOTE_TABLE: Name of the target table to which source table is exported. When this option is specified remote_query cannot be specified. The default value is ''.
• USE_ST_GEOMFROM_CASTS: Wraps parametrized variables with st_geomfromtext or st_geomfromwkb based on source column type. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.
• USE_INDEXED_PARAMETERS: Uses $n style syntax when generating insert query for remote_table option. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.

The default value is an empty Map.

Parameters:

options - The new value for options.

Returns:

this to mimic the builder pattern.

getSchema

public org.apache.avro.Schema getSchema()

This method supports the Avro framework and is not intended to be called directly by the user.

Specified by:

getSchema in interface org.apache.avro.generic.GenericContainer

Returns:

The schema object describing this class.

get

public Object get(int index)

This method supports the Avro framework and is not intended to be called directly by the user.

Specified by:

get in interface org.apache.avro.generic.IndexedRecord

Parameters:

index - the position of the field to get

Returns:

value of the field with the given index.

Throws:

IndexOutOfBoundsException

put

public void put(int index,
                Object value)

This method supports the Avro framework and is not intended to be called directly by the user.

Specified by:

put in interface org.apache.avro.generic.IndexedRecord

Parameters:

index - the position of the field to set

value - the value to set

Throws:

IndexOutOfBoundsException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object