public override IAliasedExpression Visit(CaseExpression item)
{
if (item.CaseTests == null || item.CaseTests.Length == 0)
{
if (((Constant)item.DefaultResult).Value == null)
return null;
item.CaseTests = mapping.Mapper.TestCases((string)((Constant)item.DefaultResult).Value, item.Alias);
}
item = (CaseExpression)new ValueExpressionMutator(driver).Visit(item);
return base.Visit(item);
}
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;
}
