Package com.exasol.udfdebugging

Class PushDownTesting

java.lang.Object

com.exasol.udfdebugging.PushDownTesting

public class PushDownTesting
extends Object

This class contains helper functions for testing virtual schema push down queries.

Method Summary

Modifier and Type	Method	Description
static String	getPushDownSql(Statement statement, String query)	Get the push-down SQL query generated by a Virtual Schema adapter call.
static String	getSelectionThatIsSentToTheAdapter(Statement statement, String query)	Get the selection (where clause) that the Exasol database passed to the Virtual Schema adapter.

Methods inherited from class java.lang.Object

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

Method Detail

getPushDownSql

public static String getPushDownSql(Statement statement,
                                    String query)
                             throws SQLException

Get the push-down SQL query generated by a Virtual Schema adapter call.

Parameters:

statement - SQL statement

query - query to a Virtual Schema table

Returns:

generated push down query

Throws:

SQLException - if execution fails

getSelectionThatIsSentToTheAdapter

public static String getSelectionThatIsSentToTheAdapter(Statement statement,
                                                        String query)
                                                 throws SQLException

Get the selection (where clause) that the Exasol database passed to the Virtual Schema adapter.

Parameters:

statement - SQL statement

query - query to a Virtual Schema table

Returns:

selection (where clause)

Throws:

SQLException - if SQL statement fails