CalciteConnectionImpl.SlimDataContext (Apache Calcite API)

java.lang.Object
- org.apache.calcite.jdbc.CalciteConnectionImpl.SlimDataContext

All Implemented Interfaces:

java.io.Serializable, DataContext

Enclosing class:

CalciteConnectionImpl
```
private static class CalciteConnectionImpl.SlimDataContext
extends java.lang.Object
implements DataContext, java.io.Serializable
```
Implementation of DataContext that has few variables and is Serializable. For Spark.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.calcite.DataContext
  DataContext.Variable

Field Summary
- Fields inherited from interface org.apache.calcite.DataContext
  ROOT

Constructor Summary

Constructors
Modifier Constructor Description

private SlimDataContext()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`get(java.lang.String name)`	Returns a context variable.
`QueryProvider`	`getQueryProvider()`	Returns the query provider.
`SchemaPlus`	`getRootSchema()`	Returns a sub-schema with a given name, or null.
`JavaTypeFactory`	`getTypeFactory()`	Returns the type factory.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SlimDataContext
```
private SlimDataContext()
```
- Method Detail
  - 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
  - get
```
public java.lang.Object get(java.lang.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