public virtual CaseTestExpression Update(CaseTestExpression test, Evaluant.NLinq.Expressions.Expression exp, Evaluant.NLinq.Expressions.Expression result)
{
if (test.TestExpression != exp || test.TestResult != result)
return new CaseTestExpression(exp, result);
return test;
}
public virtual IAliasedExpression Update(CaseExpression item, Evaluant.NLinq.Expressions.Expression test, IDbExpression result, CaseTestExpression[] tests, TableAlias alias)
{
if (item.Test != test || item.DefaultResult != result || item.CaseTests != tests || item.Alias != alias)
return new CaseExpression(alias, (IDbExpression)test, (IDbExpression)result, tests);
return item;
}
public override CaseTestExpression Visit(CaseTestExpression test)
{
writer.Write("WHEN ");
Visit(test.TestExpression);
writer.Write(" THEN ");
Visit(test.TestResult);
return test;
}