org.apache.shardingsphere.sqlfederation.optimizer.metadata.translatable

Class FederationTranslatableTable

java.lang.Object

org.apache.calcite.schema.impl.AbstractTable

org.apache.shardingsphere.sqlfederation.optimizer.metadata.translatable.FederationTranslatableTable

All Implemented Interfaces:

org.apache.calcite.schema.QueryableTable, org.apache.calcite.schema.Table, org.apache.calcite.schema.TranslatableTable, org.apache.calcite.schema.Wrapper

public final class FederationTranslatableTable
extends org.apache.calcite.schema.impl.AbstractTable
implements org.apache.calcite.schema.QueryableTable, org.apache.calcite.schema.TranslatableTable

Federation translatable table.

Constructor Summary

Constructors

Constructor and Description
FederationTranslatableTable()

Method Summary

Modifier and Type	Method and Description
<T> org.apache.calcite.linq4j.Queryable<T>	asQueryable(org.apache.calcite.linq4j.QueryProvider queryProvider, org.apache.calcite.schema.SchemaPlus schema, String tableName)
Type	getElementType()
org.apache.calcite.linq4j.tree.Expression	getExpression(org.apache.calcite.schema.SchemaPlus schema, String tableName, Class clazz)
org.apache.calcite.rel.type.RelDataType	getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)
org.apache.calcite.schema.Statistic	getStatistic()
org.apache.calcite.linq4j.Enumerable<Object[]>	project(org.apache.calcite.DataContext root, int[] projects) Execute filter and project when query the federation translatable table.
org.apache.calcite.linq4j.Enumerable<Object[]>	projectAndFilter(org.apache.calcite.DataContext root, String[] filterValues, int[] projects) Execute filter and project when query the federation translatable table.
org.apache.calcite.rel.RelNode	toRel(org.apache.calcite.plan.RelOptTable.ToRelContext context, org.apache.calcite.plan.RelOptTable relOptTable)
String	toString()

Methods inherited from class org.apache.calcite.schema.impl.AbstractTable

getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.schema.Table

getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg

Methods inherited from interface org.apache.calcite.schema.Wrapper

maybeUnwrap, unwrapOrThrow

Constructor Detail

FederationTranslatableTable

public FederationTranslatableTable()

Method Detail

getRowType

public org.apache.calcite.rel.type.RelDataType getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

Specified by:

getRowType in interface org.apache.calcite.schema.Table

projectAndFilter

public org.apache.calcite.linq4j.Enumerable<Object[]> projectAndFilter(org.apache.calcite.DataContext root,
                                                                       String[] filterValues,
                                                                       int[] projects)

Execute filter and project when query the federation translatable table.

Parameters:

root - data context

filterValues - right value in filter condition

projects - fields to be projected

Returns:

enumerable result

project

public org.apache.calcite.linq4j.Enumerable<Object[]> project(org.apache.calcite.DataContext root,
                                                              int[] projects)

Execute filter and project when query the federation translatable table.

Parameters:

root - data context

projects - fields to be projected

Returns:

enumerable result

getExpression

public org.apache.calcite.linq4j.tree.Expression getExpression(org.apache.calcite.schema.SchemaPlus schema,
                                                               String tableName,
                                                               Class clazz)

Specified by:

getExpression in interface org.apache.calcite.schema.QueryableTable

getElementType

public Type getElementType()

Specified by:

getElementType in interface org.apache.calcite.schema.QueryableTable

asQueryable

public <T> org.apache.calcite.linq4j.Queryable<T> asQueryable(org.apache.calcite.linq4j.QueryProvider queryProvider,
                                                              org.apache.calcite.schema.SchemaPlus schema,
                                                              String tableName)

Specified by:

asQueryable in interface org.apache.calcite.schema.QueryableTable

toRel

public org.apache.calcite.rel.RelNode toRel(org.apache.calcite.plan.RelOptTable.ToRelContext context,
                                            org.apache.calcite.plan.RelOptTable relOptTable)

Specified by:

toRel in interface org.apache.calcite.schema.TranslatableTable

toString

public String toString()

Overrides:

toString in class Object

getStatistic

public org.apache.calcite.schema.Statistic getStatistic()

Specified by:

getStatistic in interface org.apache.calcite.schema.Table

Overrides:

getStatistic in class org.apache.calcite.schema.impl.AbstractTable