Package org.apache.calcite.adapter.druid

Class DruidSchemaFactory

java.lang.Object

org.apache.calcite.adapter.druid.DruidSchemaFactory

All Implemented Interfaces:

SchemaFactory

public class DruidSchemaFactory
extends Object
implements SchemaFactory

Schema factory that creates Druid schemas.

Druid schema operands

Operand	Description	Required
url	URL of Druid's query node. The default is "http://localhost:8082".	No
coordinatorUrl	URL of Druid's coordinator node. The default is url, replacing "8082" with "8081", for example "http://localhost:8081".	No

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_URL	Default Druid URL.

Constructor Summary

Constructors

Constructor	Description
DruidSchemaFactory()

Method Summary

Modifier and Type	Method	Description
Schema	create(SchemaPlus parentSchema, String name, Map<String,Object> operand)	Creates a Schema.

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_URL

public static final String DEFAULT_URL

Default Druid URL.

See Also:

• Constant Field Values

Constructor Details

DruidSchemaFactory

public DruidSchemaFactory()

Method Details

create

public Schema create(SchemaPlus parentSchema,
 String name,
 Map<String,Object> operand)

Description copied from interface: SchemaFactory

Creates a Schema.

Specified by:

create in interface SchemaFactory

Parameters:

parentSchema - Parent schema

name - Name of this schema

operand - The "operand" JSON property

Returns:

Created schema