Package complex.dbaccess

Source Code of complex.dbaccess.Parser

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* $RCSfile: Parser.java,v $
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package complex.dbaccess;

import com.sun.star.sdb.XSingleSelectQueryComposer;
import com.sun.star.sdbc.SQLException;
import com.sun.star.uno.Exception;

public class Parser extends CRMBasedTestCase
{
    // --------------------------------------------------------------------------------------------------------
    public String[] getTestMethodNames()
    {
        return new String[] {
            "checkJoinSyntax"
        };
    }

    // --------------------------------------------------------------------------------------------------------
    public String getTestObjectName()
    {
        return "Parser";
    }

    // --------------------------------------------------------------------------------------------------------
    protected void createTestCase()
    {
        try
        {
            super.createTestCase();
            m_database.getDatabase().getDataSource().createQuery( "query products", "SELECT * FROM \"products\"" );
        }
        catch ( Exception e )
        {
            e.printStackTrace( System.err );
            assure( "caught an exception (" + e.getMessage() + ") while creating the test case", false );
        }
    }

    // --------------------------------------------------------------------------------------------------------
    /** verifies that aliases for inner queries work as expected
     */
    public void checkJoinSyntax() throws Exception
    {
        XSingleSelectQueryComposer composer = createQueryComposer();

        // feed the composer with some statements. If any of those cannot be parsed, the composer
        // will throw an exception - which is a regression then
        composer.setQuery(
            "SELECT \"categories\".\"Name\", " +
                    "\"products\".\"Name\" " +
            "FROM \"products\" RIGHT OUTER JOIN \"categories\" AS \"categories\" ON \"products\".\"CategoryID\" = \"categories\".\"ID\"" );

        // just to be sure the composer *really* parses upon setting the query: feed it with
        // an unparseable statement
        boolean caughtExpected = false;
        try
        {
            composer.setQuery( "NONSENSE" );
        }
        catch( SQLException e )
        {
            caughtExpected = true;
        }
        assure( "pre-condition not met: parser should except on unparseable statements, else the complete" +
            "test is bogus!", caughtExpected );
    }

}
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