Package org.apache.flink.table.planner.operations

Class SqlNodeConvertContext

java.lang.Object

org.apache.flink.table.planner.operations.SqlNodeConvertContext

All Implemented Interfaces:

SqlNodeConverter.ConvertContext

public class SqlNodeConvertContext
extends Object
implements SqlNodeConverter.ConvertContext

An implementation of SqlNodeConverter.ConvertContext.

Constructor Summary

Constructors

Constructor	Description
SqlNodeConvertContext(FlinkPlannerImpl flinkPlanner, org.apache.flink.table.catalog.CatalogManager catalogManager)

Method Summary

Modifier and Type	Method	Description
String	expandSqlIdentifiers(String originalSql)	Expands identifiers in a given SQL string.
org.apache.flink.table.catalog.CatalogManager	getCatalogManager()	Returns the CatalogManager in the convert context.
FlinkPlannerImpl	getFlinkPlanner()	Returns the FlinkPlannerImpl in the convert context.
org.apache.calcite.sql.validate.SqlValidator	getSqlValidator()	Returns the SqlValidator in the convert context.
org.apache.flink.table.api.TableConfig	getTableConfig()	Returns the TableConfig defined in TableEnvironment.
List<org.apache.calcite.rex.RexNode>	reduceRexNodes(List<org.apache.calcite.rex.RexNode> rexNodes)	Reduce the given RexNodes.
String	toQuotedSqlString(org.apache.calcite.sql.SqlNode sqlNode)	Convert the given into a quoted SQL string.
org.apache.calcite.rel.RelRoot	toRelRoot(org.apache.calcite.sql.SqlNode sqlNode)	Converts the given validated SqlNode into a RelRoot.
org.apache.calcite.rex.RexNode	toRexNode(org.apache.calcite.sql.SqlNode sqlNode, org.apache.calcite.rel.type.RelDataType inputRowType, org.apache.flink.table.types.DataType outputType)	Converts the given validated SqlNode into a RexNode.

Methods inherited from class java.lang.Object

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

Constructor Details

SqlNodeConvertContext

public SqlNodeConvertContext(FlinkPlannerImpl flinkPlanner,
 org.apache.flink.table.catalog.CatalogManager catalogManager)

Method Details

getTableConfig

public org.apache.flink.table.api.TableConfig getTableConfig()

Description copied from interface: SqlNodeConverter.ConvertContext

Returns the TableConfig defined in TableEnvironment.

Specified by:

getTableConfig in interface SqlNodeConverter.ConvertContext

getSqlValidator

public org.apache.calcite.sql.validate.SqlValidator getSqlValidator()

Description copied from interface: SqlNodeConverter.ConvertContext

Returns the SqlValidator in the convert context.

Specified by:

getSqlValidator in interface SqlNodeConverter.ConvertContext

getCatalogManager

public org.apache.flink.table.catalog.CatalogManager getCatalogManager()

Description copied from interface: SqlNodeConverter.ConvertContext

Returns the CatalogManager in the convert context.

Specified by:

getCatalogManager in interface SqlNodeConverter.ConvertContext

getFlinkPlanner

public FlinkPlannerImpl getFlinkPlanner()

Description copied from interface: SqlNodeConverter.ConvertContext

Returns the FlinkPlannerImpl in the convert context.

Specified by:

getFlinkPlanner in interface SqlNodeConverter.ConvertContext

toRelRoot

public org.apache.calcite.rel.RelRoot toRelRoot(org.apache.calcite.sql.SqlNode sqlNode)

Description copied from interface: SqlNodeConverter.ConvertContext

Converts the given validated SqlNode into a RelRoot.

Specified by:

toRelRoot in interface SqlNodeConverter.ConvertContext

toRexNode

public org.apache.calcite.rex.RexNode toRexNode(org.apache.calcite.sql.SqlNode sqlNode,
 org.apache.calcite.rel.type.RelDataType inputRowType,
 @Nullable
 org.apache.flink.table.types.DataType outputType)

Description copied from interface: SqlNodeConverter.ConvertContext

Converts the given validated SqlNode into a RexNode.

Specified by:

toRexNode in interface SqlNodeConverter.ConvertContext

reduceRexNodes

public List<org.apache.calcite.rex.RexNode> reduceRexNodes(List<org.apache.calcite.rex.RexNode> rexNodes)

Description copied from interface: SqlNodeConverter.ConvertContext

Reduce the given RexNodes.

Specified by:

reduceRexNodes in interface SqlNodeConverter.ConvertContext

toQuotedSqlString

public String toQuotedSqlString(org.apache.calcite.sql.SqlNode sqlNode)

Description copied from interface: SqlNodeConverter.ConvertContext

Convert the given into a quoted SQL string.

Specified by:

toQuotedSqlString in interface SqlNodeConverter.ConvertContext

expandSqlIdentifiers

public String expandSqlIdentifiers(String originalSql)

Description copied from interface: SqlNodeConverter.ConvertContext

Expands identifiers in a given SQL string.

Specified by:

expandSqlIdentifiers in interface SqlNodeConverter.ConvertContext

See Also:

• Expander