Examples with ColumnReference org.teiid.language.ColumnReference used on opensource projects

Example 31 with ColumnReference

use of org.teiid.language.ColumnReference in project teiid by teiid.

the class IdentifierFunctionModifier method translate.

public List<?> translate(Function function) {
    List<Object> objs = new ArrayList<Object>();
    List<Expression> parms = function.getParameters();
    objs.add(function.getName().substring(function.getName().indexOf('_') + 1));
    objs.add(SQLConstants.Tokens.LPAREN);
    for (Iterator<Expression> iter = parms.iterator(); iter.hasNext(); ) {
        Expression expr = iter.next();
        if (expr instanceof ColumnReference) {
            boolean dotAll = false;
            boolean useSelector = false;
            ColumnReference cr = (ColumnReference) expr;
            Column c = cr.getMetadataObject();
            if (c != null) {
                if ("\"mode:properties\"".equalsIgnoreCase(c.getSourceName())) {
                    // $NON-NLS-1$
                    dotAll = true;
                    useSelector = true;
                } else if ("\"jcr:path\"".equalsIgnoreCase(c.getSourceName())) {
                    // $NON-NLS-1$
                    useSelector = true;
                }
            }
            if (useSelector) {
                NamedTable nt = ((ColumnReference) expr).getTable();
                if (nt.getCorrelationName() != null) {
                    objs.add(nt.getCorrelationName());
                } else {
                    objs.add(nt);
                }
            } else {
                objs.add(expr);
            }
            if (dotAll) {
                // $NON-NLS-1$
                objs.add(".*");
            }
        } else {
            objs.add(expr);
        }
        if (iter.hasNext()) {
            // $NON-NLS-1$
            objs.add(", ");
        }
    }
    objs.add(SQLConstants.Tokens.RPAREN);
    return objs;
}

Example 32 with ColumnReference

use of org.teiid.language.ColumnReference in project teiid by teiid.

the class TestMetadataObject method getElementID.

// ################ TEST ELEMENT METADATAID ######################
public Column getElementID(String groupName, String elementName, TranslationUtility transUtil) {
    // $NON-NLS-1$ //$NON-NLS-2$
    Select query = (Select) transUtil.parseCommand("SELECT " + elementName + " FROM " + groupName);
    DerivedColumn symbol = query.getDerivedColumns().get(0);
    ColumnReference element = (ColumnReference) symbol.getExpression();
    return element.getMetadataObject();
}

Example 33 with ColumnReference

use of org.teiid.language.ColumnReference in project teiid by teiid.

the class TestCollectorVisitor method test1.

@Test
public void test1() {
    // $NON-NLS-1$
    NamedTable g1 = new NamedTable("g1", null, null);
    // $NON-NLS-1$
    ColumnReference e1 = new ColumnReference(g1, "e1", null, String.class);
    // $NON-NLS-1$ //$NON-NLS-2$
    helpTestElementsUsedByGroups(e1, new String[] { "g1.e1" }, new String[] { "g1" });
}

Example 34 with ColumnReference

use of org.teiid.language.ColumnReference in project teiid by teiid.

the class TestCollectorVisitor method example1.

public LanguageObject example1() {
    // $NON-NLS-1$
    NamedTable g = new NamedTable("g1", null, null);
    List symbols = new ArrayList();
    // $NON-NLS-1$
    symbols.add(new ColumnReference(g, "e1", null, String.class));
    // $NON-NLS-1$ //$NON-NLS-2$
    Function function = new Function("length", Arrays.asList(new ColumnReference(g, "e2", null, String.class)), Integer.class);
    symbols.add(function);
    List groups = new ArrayList();
    groups.add(g);
    Select q = new Select(symbols, false, groups, null, null, null, null);
    return q;
}

Example 35 with ColumnReference

use of org.teiid.language.ColumnReference in project teiid by teiid.

the class TestCollectorVisitor method test2.

@Test
public void test2() {
    // $NON-NLS-1$
    NamedTable g1 = new NamedTable("g1", null, null);
    // $NON-NLS-1$
    ColumnReference e1 = new ColumnReference(g1, "e1", null, String.class);
    // $NON-NLS-1$
    ColumnReference e2 = new ColumnReference(g1, "e2", null, String.class);
    Comparison cc = new Comparison(e1, e2, Operator.EQ);
    // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    helpTestElementsUsedByGroups(cc, new String[] { "g1.e1", "g1.e2" }, new String[] { "g1" });
}