SchemaNamespace (Apache Calcite API)

java.lang.Object
- org.apache.calcite.sql.validate.AbstractNamespace
- - org.apache.calcite.sql.validate.SchemaNamespace

All Implemented Interfaces:

SqlValidatorNamespace
```
class SchemaNamespace
extends AbstractNamespace
```
Namespace based on a schema.
The visible names are tables and sub-schemas.

Field Summary

Fields
Modifier and Type Field Description

private com.google.common.collect.ImmutableList<java.lang.String> names
The path of this schema.
- Fields inherited from class org.apache.calcite.sql.validate.AbstractNamespace
  enclosingNode, rowType, type, validator

Constructor Summary

Constructors
Constructor	Description
`SchemaNamespace(SqlValidatorImpl validator, com.google.common.collect.ImmutableList<java.lang.String> names)`	Creates a SchemaNamespace.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`SqlNode`	`getNode()`	Returns the parse tree node at the root of this namespace.
`protected RelDataType`	`validateImpl(RelDataType targetRowType)`	Validates this scope and returns the type of the records it returns.

Methods inherited from class org.apache.calcite.sql.validate.AbstractNamespace
convertToStruct, fieldExists, getEnclosingNode, getMonotonicExprs, getMonotonicity, getRowType, getRowTypeSansSystemColumns, getTable, getType, getValidator, isWrapperFor, lookupChild, makeNullable, resolve, setType, supportsModality, toStruct, translate, unwrap, validate

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

- Field Detail
  - names
```
private final com.google.common.collect.ImmutableList<java.lang.String> names
```
    The path of this schema.
- Constructor Detail
  - SchemaNamespace
```
SchemaNamespace(SqlValidatorImpl validator,
                com.google.common.collect.ImmutableList<java.lang.String> names)
```
    Creates a SchemaNamespace.
- Method Detail
  - validateImpl
```
protected RelDataType validateImpl(RelDataType targetRowType)
```
    Description copied from class: AbstractNamespace
    
    Validates this scope and returns the type of the records it returns. External users should call AbstractNamespace.validate(org.apache.calcite.rel.type.RelDataType), which uses the AbstractNamespace.status field to protect against cycles.
    
    Specified by:
    
    validateImpl in class AbstractNamespace
    
    Parameters:
    
    targetRowType - Desired row type, must not be null, may be the data type 'unknown'.
    
    Returns:
    
    record data type, never null
  - getNode
```
public SqlNode getNode()
```
    Description copied from interface: SqlValidatorNamespace
    
    Returns the parse tree node at the root of this namespace.
    
    Returns:
    
    parse tree node; null for TableNamespace