org.apache.calcite.prepare

Class Prepare.Materialization

java.lang.Object

org.apache.calcite.prepare.Prepare.Materialization

Enclosing class:

Prepare

public static class Prepare.Materialization
extends Object

Describes that a given SQL query is materialized by a given table. The materialization is currently valid, and can be used in the planning process.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) CalciteSchema.TableEntry	materializedTable The table that holds the materialized data.
(package private) RelNode	queryRel Relational expression for the query to populate the table.
(package private) String	sql The query that derives the data.
private RelOptTable	starRelOptTable Star table identified.
(package private) RelNode	tableRel Relational expression for the table.
(package private) List<String>	viewSchemaPath The schema path for the query.

Constructor Summary

Constructors

Constructor and Description
Materialization(CalciteSchema.TableEntry materializedTable, String sql, List<String> viewSchemaPath)

Method Summary

Modifier and Type	Method and Description
void	materialize(RelNode queryRel, RelOptTable starRelOptTable)

Methods inherited from class java.lang.Object

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

Field Detail

materializedTable

final CalciteSchema.TableEntry materializedTable

The table that holds the materialized data.

sql

final String sql

The query that derives the data.

viewSchemaPath

final List<String> viewSchemaPath

The schema path for the query.

tableRel

RelNode tableRel

Relational expression for the table. Usually a LogicalTableScan.

queryRel

RelNode queryRel

Relational expression for the query to populate the table.

starRelOptTable

private RelOptTable starRelOptTable

Star table identified.

Constructor Detail

Materialization

public Materialization(CalciteSchema.TableEntry materializedTable,
                       String sql,
                       List<String> viewSchemaPath)

Method Detail

materialize

public void materialize(RelNode queryRel,
                        RelOptTable starRelOptTable)