org.apache.shardingsphere.infra.federation.optimizer.converter.statement

Class SelectStatementConverter

java.lang.Object

org.apache.shardingsphere.infra.federation.optimizer.converter.statement.SelectStatementConverter

All Implemented Interfaces:

SQLStatementConverter<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement,org.apache.calcite.sql.SqlNode>

public final class SelectStatementConverter
extends Object
implements SQLStatementConverter<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement,org.apache.calcite.sql.SqlNode>

Select statement converter.

Constructor Summary

Constructors

Constructor and Description
SelectStatementConverter()

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.sql.SqlNode	convertToSQLNode(org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement selectStatement) Convert SQL statement to SQL node.
org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement	convertToSQLStatement(org.apache.calcite.sql.SqlNode sqlNode) Convert SQL node to SQL statement.

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectStatementConverter

public SelectStatementConverter()

Method Detail

convertToSQLNode

public org.apache.calcite.sql.SqlNode convertToSQLNode(org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement selectStatement)

Description copied from interface: SQLStatementConverter

Convert SQL statement to SQL node.

Specified by:

convertToSQLNode in interface SQLStatementConverter<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement,org.apache.calcite.sql.SqlNode>

Parameters:

selectStatement - SQL statement be to converted

Returns:

converted SQL node

convertToSQLStatement

public org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement convertToSQLStatement(org.apache.calcite.sql.SqlNode sqlNode)

Description copied from interface: SQLStatementConverter

Convert SQL node to SQL statement.

Specified by:

convertToSQLStatement in interface SQLStatementConverter<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement,org.apache.calcite.sql.SqlNode>

Parameters:

sqlNode - SQL node be to converted

Returns:

converted SQL statement