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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.dbc
package statement
/** An expression that calculates some value from fields. */
@deprecated(DbcIsDeprecated) abstract class Expression extends Relation {
def fieldTypes: List[DataType] = Nil
/** A SQL-99 compliant string representation of the expression. */
def sqlString: String = "SELECT " + sqlInnerString
/** A SQL-99 compliant string representation of the relation sub-
* statement. This only has a meaning inside another statement.
*/
def sqlInnerString: String
}
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