static class CalciteConnectionImpl.DataContextImpl extends java.lang.Object implements DataContext
DataContext.Variable
Modifier and Type | Field and Description |
---|---|
private com.google.common.collect.ImmutableMap<java.lang.Object,java.lang.Object> |
map |
private QueryProvider |
queryProvider |
private CalciteSchema |
rootSchema |
private JavaTypeFactory |
typeFactory |
ROOT
Constructor and Description |
---|
DataContextImpl(CalciteConnectionImpl connection,
java.util.Map<java.lang.String,java.lang.Object> parameters,
CalciteSchema rootSchema) |
Modifier and Type | Method and 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.
|
private SqlAdvisor |
getSqlAdvisor() |
JavaTypeFactory |
getTypeFactory()
Returns the type factory.
|
private final com.google.common.collect.ImmutableMap<java.lang.Object,java.lang.Object> map
private final CalciteSchema rootSchema
private final QueryProvider queryProvider
private final JavaTypeFactory typeFactory
DataContextImpl(CalciteConnectionImpl connection, java.util.Map<java.lang.String,java.lang.Object> parameters, CalciteSchema rootSchema)
public java.lang.Object get(java.lang.String name)
DataContext
Supported variables include: "sparkContext", "currentTimestamp", "localTimestamp".
get
in interface DataContext
name
- Name of variableprivate SqlAdvisor getSqlAdvisor()
public SchemaPlus getRootSchema()
DataContext
getRootSchema
in interface DataContext
public JavaTypeFactory getTypeFactory()
DataContext
getTypeFactory
in interface DataContext
public QueryProvider getQueryProvider()
DataContext
getQueryProvider
in interface DataContext
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