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

Interface SQLStatementConverter<S extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement,T extends org.apache.calcite.sql.SqlNode>

Type Parameters:

T - type of SQL statement

All Known Implementing Classes:

SelectStatementConverter

public interface SQLStatementConverter<S extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement,T extends org.apache.calcite.sql.SqlNode>

SQL Statement converter.

Method Summary

Modifier and Type	Method and Description
T	convertToSQLNode(S sqlStatement) Convert SQL statement to SQL node.
S	convertToSQLStatement(T sqlNode) Convert SQL node to SQL statement.

Method Detail

convertToSQLNode

T convertToSQLNode(S sqlStatement)

Convert SQL statement to SQL node.

Parameters:

sqlStatement - SQL statement be to converted

Returns:

converted SQL node

convertToSQLStatement

S convertToSQLStatement(T sqlNode)

Convert SQL node to SQL statement.

Parameters:

sqlNode - SQL node be to converted

Returns:

converted SQL statement