org.apache.calcite.jdbc

Class CalciteConnectionImpl.DataContextImpl

java.lang.Object

org.apache.calcite.jdbc.CalciteConnectionImpl.DataContextImpl

All Implemented Interfaces:

DataContext

Enclosing class:

CalciteConnectionImpl

static class CalciteConnectionImpl.DataContextImpl
extends Object
implements DataContext

Implementation of DataContext.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.DataContext

DataContext.Variable

Field Summary

Fields

Modifier and Type	Field and Description
private com.google.common.collect.ImmutableMap<Object,Object>	map
private QueryProvider	queryProvider
private CalciteSchema	rootSchema
private JavaTypeFactory	typeFactory

Fields inherited from interface org.apache.calcite.DataContext

ROOT

Constructor Summary

Constructors

Constructor and Description
DataContextImpl(CalciteConnectionImpl connection, Map<String,Object> parameters, CalciteSchema rootSchema)

Method Summary

Modifier and Type	Method and Description
Object	get(String name) Returns a context variable.
QueryProvider	getQueryProvider() Returns the query provider.
SchemaPlus	getRootSchema() Returns a sub-schema with a given name, or null.
private SqlAdvisor	getSqlAdvisor()
JavaTypeFactory	getTypeFactory() Returns the type factory.

Methods inherited from class java.lang.Object

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

Field Detail

map

private final com.google.common.collect.ImmutableMap<Object,Object> map

rootSchema

private final CalciteSchema rootSchema

queryProvider

private final QueryProvider queryProvider

typeFactory

private final JavaTypeFactory typeFactory

Constructor Detail

DataContextImpl

DataContextImpl(CalciteConnectionImpl connection,
                Map<String,Object> parameters,
                CalciteSchema rootSchema)

Method Detail

get

public Object get(String name)

Description copied from interface: DataContext

Returns a context variable.

Supported variables include: "sparkContext", "currentTimestamp", "localTimestamp".

Specified by:

get in interface DataContext

Parameters:

name - Name of variable

getSqlAdvisor

private SqlAdvisor getSqlAdvisor()

getRootSchema

public SchemaPlus getRootSchema()

Description copied from interface: DataContext

Returns a sub-schema with a given name, or null.

Specified by:

getRootSchema in interface DataContext

getTypeFactory

public JavaTypeFactory getTypeFactory()

Description copied from interface: DataContext

Returns the type factory.

Specified by:

getTypeFactory in interface DataContext

getQueryProvider

public QueryProvider getQueryProvider()

Description copied from interface: DataContext

Returns the query provider.

Specified by:

getQueryProvider in interface DataContext