blob: 6910de5b600abebddd8399adad3af66dd7a56126 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2010, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.dbc
package statement
package expression;
abstract class UnaryOperator extends Expression {
/** The name of the operator */
def operator: String;
/** Whether the operator comes before the operand or not. */
def operatorIsLeft: Boolean;
/** The operand applied to the operator. */
def operand: Expression;
/** A SQL-99 compliant string representation of the relation sub-
* statement. This only has a meaning inside another statement. */
def sqlInnerString: String = operatorIsLeft match {
case true => operator + " " + operand.sqlInnerString;
case false => operand.sqlInnerString + " " + operator;
}
}
|