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

Method Summary

Modifier and Type	Method and 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

Constructor Detail

SqlCatalogViewTable

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

Method Detail

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