org.apache.flink.table.planner.delegation

Class PlannerContext

java.lang.Object

org.apache.flink.table.planner.delegation.PlannerContext

@Internal
public class PlannerContext
extends Object

Utility class to create RelBuilder or FrameworkConfig used to create a corresponding Planner. It tries to separate static elements in a TableEnvironment like: root schema, cost factory, type system etc. from a dynamic properties like e.g. default path to look for objects in the schema.

Constructor Summary

Constructors

Constructor and Description
PlannerContext(org.apache.flink.table.api.TableConfig tableConfig, org.apache.flink.table.catalog.FunctionCatalog functionCatalog, org.apache.flink.table.catalog.CatalogManager catalogManager, org.apache.calcite.jdbc.CalciteSchema rootSchema, List<org.apache.calcite.plan.RelTraitDef> traitDefs)

Method Summary

Modifier and Type	Method and Description
CalciteParser	createCalciteParser() Creates a configured instance of CalciteParser.
org.apache.flink.table.planner.calcite.FlinkPlannerImpl	createFlinkPlanner(String currentCatalog, String currentDatabase) Creates a configured FlinkPlannerImpl for a planning session.
org.apache.flink.table.planner.calcite.FlinkRelBuilder	createRelBuilder(String currentCatalog, String currentDatabase) Creates a configured FlinkRelBuilder for a planning session.
SqlExprToRexConverter	createSqlExprToRexConverter(org.apache.calcite.rel.type.RelDataType rowType)
org.apache.flink.table.planner.calcite.FlinkTypeFactory	getTypeFactory() Returns the FlinkTypeFactory that will be used.

Methods inherited from class java.lang.Object

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

Constructor Detail

PlannerContext

public PlannerContext(org.apache.flink.table.api.TableConfig tableConfig,
                      org.apache.flink.table.catalog.FunctionCatalog functionCatalog,
                      org.apache.flink.table.catalog.CatalogManager catalogManager,
                      org.apache.calcite.jdbc.CalciteSchema rootSchema,
                      List<org.apache.calcite.plan.RelTraitDef> traitDefs)

Method Detail

createSqlExprToRexConverter

public SqlExprToRexConverter createSqlExprToRexConverter(org.apache.calcite.rel.type.RelDataType rowType)

getTypeFactory

public org.apache.flink.table.planner.calcite.FlinkTypeFactory getTypeFactory()

Returns the FlinkTypeFactory that will be used.

createRelBuilder

public org.apache.flink.table.planner.calcite.FlinkRelBuilder createRelBuilder(String currentCatalog,
                                                                               String currentDatabase)

Creates a configured FlinkRelBuilder for a planning session.

Parameters:

currentCatalog - the current default catalog to look for first during planning.

currentDatabase - the current default database to look for first during planning.

Returns:

configured rel builder

createFlinkPlanner

public org.apache.flink.table.planner.calcite.FlinkPlannerImpl createFlinkPlanner(String currentCatalog,
                                                                                  String currentDatabase)

Creates a configured FlinkPlannerImpl for a planning session.

Parameters:

currentCatalog - the current default catalog to look for first during planning.

currentDatabase - the current default database to look for first during planning.

Returns:

configured flink planner

createCalciteParser

public CalciteParser createCalciteParser()

Creates a configured instance of CalciteParser.

Returns:

configured calcite parser