com.gpudb.protocol

Class CreateSchemaRequest

java.lang.Object

com.gpudb.protocol.CreateSchemaRequest

All Implemented Interfaces:

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

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

A set of parameters for GPUdb.createSchema.

Creates a SQL-style schema. Schemas are containers for tables and views. Multiple tables and views can be defined with the same name in different schemas.

Nested Class Summary

Nested Classes

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

Constructor Summary

Constructors

Constructor and Description
CreateSchemaRequest() Constructs a CreateSchemaRequest object with default parameters.
CreateSchemaRequest(String schemaName, Map<String,String> options) Constructs a CreateSchemaRequest 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.
org.apache.avro.Schema	getSchema() This method supports the Avro framework and is not intended to be called directly by the user.
String	getSchemaName() Name of the schema to be created.
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.
CreateSchemaRequest	setOptions(Map<String,String> options) Optional parameters.
CreateSchemaRequest	setSchemaName(String schemaName) Name of the schema to be created.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CreateSchemaRequest

public CreateSchemaRequest()

Constructs a CreateSchemaRequest object with default parameters.

CreateSchemaRequest

public CreateSchemaRequest(String schemaName,
                           Map<String,String> options)

Constructs a CreateSchemaRequest object with the specified parameters.

Parameters:

schemaName - Name of the schema to be created. Has the same naming restrictions as tables.

options - Optional parameters.

• NO_ERROR_IF_EXISTS: If TRUE, prevents an error from occurring if the schema already exists. 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.

getSchemaName

public String getSchemaName()

Name of the schema to be created. Has the same naming restrictions as tables.

Returns:

The current value of schemaName.

setSchemaName

public CreateSchemaRequest setSchemaName(String schemaName)

Name of the schema to be created. Has the same naming restrictions as tables.

Parameters:

schemaName - The new value for schemaName.

Returns:

this to mimic the builder pattern.

getOptions

public Map<String,String> getOptions()

Optional parameters.

• NO_ERROR_IF_EXISTS: If TRUE, prevents an error from occurring if the schema already exists. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.

The default value is an empty Map.

Returns:

The current value of options.

setOptions

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

Optional parameters.

• NO_ERROR_IF_EXISTS: If TRUE, prevents an error from occurring if the schema already exists. 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