org.apache.calcite.materialize

Class MaterializationActor.Materialization

java.lang.Object

org.apache.calcite.materialize.MaterializationActor.Materialization

Enclosing class:

MaterializationActor

static class MaterializationActor.Materialization
extends Object

A query materialized in a table, so that reading from the table gives the same results as executing the query.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) MaterializationKey	key
(package private) CalciteSchema.TableEntry	materializedTable
(package private) CalciteSchema	rootSchema
(package private) RelDataType	rowType
(package private) String	sql
(package private) List<String>	viewSchemaPath

Constructor Summary

Constructors

Constructor and Description
Materialization(MaterializationKey key, CalciteSchema rootSchema, CalciteSchema.TableEntry materializedTable, String sql, RelDataType rowType, List<String> viewSchemaPath) Creates a materialization.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

key

final MaterializationKey key

rootSchema

final CalciteSchema rootSchema

materializedTable

CalciteSchema.TableEntry materializedTable

sql

final String sql

rowType

final RelDataType rowType

viewSchemaPath

final List<String> viewSchemaPath

Constructor Detail

Materialization

Materialization(MaterializationKey key,
                CalciteSchema rootSchema,
                CalciteSchema.TableEntry materializedTable,
                String sql,
                RelDataType rowType,
                List<String> viewSchemaPath)

Creates a materialization.

Parameters:

key - Unique identifier of this materialization

materializedTable - Table that currently materializes the query. That is, executing "select * from table" will give the same results as executing the query. May be null when the materialization is created; materialization service will change the value as

sql - Query that is materialized

rowType - Row type