public virtual DbExpression CreateExpression(string table, string fieldname, DbSelectStatement select_clause, DbExpression.SqlCondition condition)
 {
     return(DbMgr.CreateExpression(DbMgr.CreateColumn(table, fieldname), select_clause, condition));
 }
 public DbSelectStatement SelectColumn(params string[] values)
 {
     mColumns.Add(DbMgr.CreateColumn(values));
     return(this);
 }
 public virtual DbExpression CreateExpression(string table, string fieldname, DbFieldEntry fieldvalue, DbExpression.SqlCondition condition)
 {
     return(DbMgr.CreateExpression(DbMgr.CreateColumn(table, fieldname), fieldvalue, condition));
 }