Examples with AliasSymbol org.teiid.query.sql.symbol.AliasSymbol used on opensource projects

Example 16 with AliasSymbol

use of org.teiid.query.sql.symbol.AliasSymbol in project teiid by teiid.

the class TestAliasSymbol method testAliasEquals.

@Test
public void testAliasEquals() {
    // $NON-NLS-1$ //$NON-NLS-2$
    AliasSymbol a1 = new AliasSymbol("X", new ExpressionSymbol("x", new Constant(1)));
    // $NON-NLS-1$ //$NON-NLS-2$
    AliasSymbol a2 = new AliasSymbol("X", new ExpressionSymbol("x", new Constant(2)));
    // $NON-NLS-1$ //$NON-NLS-2$
    AliasSymbol a3 = new AliasSymbol("x", new ExpressionSymbol("x", new Constant(1)));
    // just a different case for the alias
    assertFalse(a1.equals(a3));
    // different express
    assertFalse(a1.equals(a2));
}

Example 17 with AliasSymbol

use of org.teiid.query.sql.symbol.AliasSymbol in project teiid by teiid.

the class TestStaticSymbolMappingVisitor method testVisitAliasSymbol.

public void testVisitAliasSymbol() {
    // $NON-NLS-1$
    AliasSymbol as = new AliasSymbol("abc", exampleElement(true, 0));
    helpTest(as, getSymbolMap());
}

Example 18 with AliasSymbol

use of org.teiid.query.sql.symbol.AliasSymbol in project teiid by teiid.

the class TestStaticSymbolMappingVisitor method testVisitOrderBy.

public void testVisitOrderBy() {
    OrderBy ob = new OrderBy();
    ob.addVariable(exampleElement(true, 0));
    ob.addVariable(exampleElement(true, 1));
    // $NON-NLS-1$
    ob.addVariable(new AliasSymbol("abc", exampleElement(true, 2)));
    helpTest(ob, getSymbolMap());
}

Example 19 with AliasSymbol

use of org.teiid.query.sql.symbol.AliasSymbol in project teiid by teiid.

the class QueryResults method createColumnInfos.

/**
 * Convert a list of SingleElementSymbols to a List of ColumnInfo objects.
 *
 * @param symbols
 *            List of SingleElementSymbols
 * @return List of ColumnInfos
 */
public static List createColumnInfos(List symbols) {
    List infos = new ArrayList(symbols.size());
    Iterator iter = symbols.iterator();
    while (iter.hasNext()) {
        Expression symbol = (Expression) iter.next();
        String name = Symbol.getName(symbol);
        if (symbol instanceof AliasSymbol) {
            AliasSymbol alias = (AliasSymbol) symbol;
            symbol = alias.getSymbol();
        }
        if (symbol instanceof ElementSymbol) {
            ElementSymbol element = (ElementSymbol) symbol;
            GroupSymbol group = element.getGroupSymbol();
            Object groupID = null;
            if (group != null) {
                groupID = group.getMetadataID();
            }
            infos.add(new ColumnInfo(name, DataTypeManager.getDataTypeName(element.getType()), element.getType(), groupID, element.getMetadataID()));
        } else {
            // ExpressionSymbol or AggregateSymbol
            // Expressions don't map to a single element or group, so don't save that info
            infos.add(new ColumnInfo(name, DataTypeManager.getDataTypeName(symbol.getType()), symbol.getType()));
        }
    }
    return infos;
}