Examples of ExpressionSymbol

org.teiid.query.sql.symbol.ExpressionSymbol

This is a subclass of Symbol representing an expression in the SELECT clause. The expression may be a constant, function, or scalar subquery. The name of this symbol is always generated and typically should not be displayed. If necessary, the ExpressionSymbol may be wrapped by an AliasSymbol to register the name in a query. The definition of the symbol is the functional expression. Resolution will produce a list of groups and elements used by the expression.

Examples of org.teiid.query.sql.symbol.ExpressionSymbol

        From from = new From();
        from.addGroup(g);


        Function f = new Function("timestampadd", new Expression[] { //$NON-NLS-1$
            new Constant("SQL_TSI_SECOND"), new Constant(new Integer(10)), new Constant("2003-05-01 10:20:30")}); //$NON-NLS-1$ //$NON-NLS-2$
        ExpressionSymbol es = new ExpressionSymbol("expr", f); //$NON-NLS-1$
        AliasSymbol as = new AliasSymbol("x", es); //$NON-NLS-1$
        Select select = new Select();
        select.addSymbol(as);


        Query query = new Query();

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