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

Class AbstractSqlShowConverter<T extends org.apache.flink.sql.parser.dql.SqlShowCall>

java.lang.Object

org.apache.flink.table.planner.operations.converters.AbstractSqlShowConverter<T>

All Implemented Interfaces:

SqlNodeConverter<T>

Direct Known Subclasses:

SqlShowFunctionsConverter, SqlShowProcedureConverter, SqlShowTablesConverter, SqlShowViewsConverter

public abstract class AbstractSqlShowConverter<T extends org.apache.flink.sql.parser.dql.SqlShowCall>
extends Object
implements SqlNodeConverter<T>

An abstract class for SHOW converters.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.table.planner.operations.converters.SqlNodeConverter

SqlNodeConverter.ConvertContext

Constructor Summary

Constructors

Constructor	Description
AbstractSqlShowConverter()

Method Summary

Modifier and Type	Method	Description
protected org.apache.flink.table.operations.Operation	convertShowOperation(T sqlShowCall, SqlNodeConverter.ConvertContext context)
abstract org.apache.flink.table.operations.Operation	convertSqlNode(T node, SqlNodeConverter.ConvertContext context)	Convert the given validated SqlNode into an Operation.
org.apache.flink.table.operations.utils.ShowLikeOperator	getLikeOp(org.apache.flink.sql.parser.dql.SqlShowCall sqlShowCall)
abstract org.apache.flink.table.operations.Operation	getOperation(T sqlShowCall, String catalogName, String databaseName, String prep, org.apache.flink.table.operations.utils.ShowLikeOperator likeOp)
abstract org.apache.flink.table.operations.Operation	getOperationWithoutPrep(T sqlShowCall, String catalogName, String databaseName, org.apache.flink.table.operations.utils.ShowLikeOperator likeOp)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.planner.operations.converters.SqlNodeConverter

supportedSqlKinds

Constructor Details

AbstractSqlShowConverter

public AbstractSqlShowConverter()

Method Details

convertShowOperation

protected org.apache.flink.table.operations.Operation convertShowOperation(T sqlShowCall,
 SqlNodeConverter.ConvertContext context)

getLikeOp

public org.apache.flink.table.operations.utils.ShowLikeOperator getLikeOp(org.apache.flink.sql.parser.dql.SqlShowCall sqlShowCall)

getOperationWithoutPrep

public abstract org.apache.flink.table.operations.Operation getOperationWithoutPrep(T sqlShowCall,
 @Nullable
 String catalogName,
 @Nullable
 String databaseName,
 @Nullable
 org.apache.flink.table.operations.utils.ShowLikeOperator likeOp)

getOperation

public abstract org.apache.flink.table.operations.Operation getOperation(T sqlShowCall,
 @Nullable
 String catalogName,
 @Nullable
 String databaseName,
 @Nullable
 String prep,
 @Nullable
 org.apache.flink.table.operations.utils.ShowLikeOperator likeOp)

convertSqlNode

public abstract org.apache.flink.table.operations.Operation convertSqlNode(T node,
 SqlNodeConverter.ConvertContext context)

Description copied from interface: SqlNodeConverter

Convert the given validated SqlNode into an Operation.

Specified by:

convertSqlNode in interface SqlNodeConverter<T extends org.apache.flink.sql.parser.dql.SqlShowCall>

Parameters:

node - a validated SqlNode.

context - the utilities and context information to convert