Package org.apache.flink.table.planner.catalog

Class SqlCatalogViewTable

java.lang.Object

org.apache.calcite.prepare.Prepare.AbstractPreparingTable

org.apache.flink.table.planner.plan.schema.FlinkPreparingTableBase

org.apache.flink.table.planner.plan.schema.ExpandingPreparingTable

org.apache.flink.table.planner.catalog.SqlCatalogViewTable

All Implemented Interfaces:

org.apache.calcite.plan.RelOptTable, org.apache.calcite.prepare.Prepare.PreparingTable, org.apache.calcite.schema.Wrapper, org.apache.calcite.sql.validate.SqlValidatorTable

public class SqlCatalogViewTable
extends ExpandingPreparingTable

A bridge between a Flink's specific CatalogView and a Calcite's RelOptTable. It implements parsing and conversion from sql string to RelNode.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.plan.RelOptTable

org.apache.calcite.plan.RelOptTable.ToRelContext, org.apache.calcite.plan.RelOptTable.ViewExpander

Field Summary

Fields inherited from class org.apache.flink.table.planner.plan.schema.FlinkPreparingTableBase

names, relOptSchema, rowType, statistic

Constructor Summary

Constructors

Constructor	Description
SqlCatalogViewTable(org.apache.calcite.plan.RelOptSchema relOptSchema, org.apache.calcite.rel.type.RelDataType rowType, Iterable<String> names, FlinkStatistic statistic, org.apache.flink.table.catalog.CatalogView view, List<String> viewPath)

Method Summary

Modifier and Type	Method	Description
org.apache.calcite.rel.RelNode	convertToRel(org.apache.calcite.plan.RelOptTable.ToRelContext context)	Converts the table to a RelNode.

Methods inherited from class org.apache.flink.table.planner.plan.schema.ExpandingPreparingTable

toRel

Methods inherited from class org.apache.flink.table.planner.plan.schema.FlinkPreparingTableBase

columnHasDefaultValue, explainSourceAsString, extend, getAllowedAccess, getCollationList, getDistribution, getExpression, getKeys, getMonotonicity, getNames, getQualifiedName, getReferentialConstraints, getRelOptSchema, getRowCount, getRowType, getStatistic, isKey, isTemporal, supportsModality, uniqueKeysSet, unwrap

Methods inherited from class org.apache.calcite.prepare.Prepare.AbstractPreparingTable

extend, getColumnStrategies

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.sql.validate.SqlValidatorTable

table

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

maybeUnwrap, unwrapOrThrow

Constructor Details

SqlCatalogViewTable

public SqlCatalogViewTable(@Nullable
 org.apache.calcite.plan.RelOptSchema relOptSchema,
 org.apache.calcite.rel.type.RelDataType rowType,
 Iterable<String> names,
 FlinkStatistic statistic,
 org.apache.flink.table.catalog.CatalogView view,
 List<String> viewPath)

Method Details

convertToRel

public org.apache.calcite.rel.RelNode convertToRel(org.apache.calcite.plan.RelOptTable.ToRelContext context)

Description copied from class: ExpandingPreparingTable

Converts the table to a RelNode. Does not need to expand any nested scans of an ExpandingPreparingTable. Those will be expanded recursively.

Specified by:

convertToRel in class ExpandingPreparingTable

Returns:

a relational tree