private void VisitFilterVariable(LiteVariable var)
{
if (var.VariableType == VariableTypeEnum.Const)
{
if (var.ConstValue == null)
{
throw new ApplicationException("Variable的ConstValue==null");
}
string str = SharpTypeHelper.Format(var.ConstValue);
this.sb.Append(str);
}
else if (var.VariableType == VariableTypeEnum.Array)
{
this.sb.Append("(");
this.sb.Append(string.Join(",", var.ConstListValue.ToArray()));
this.sb.Append(")");
}
else if (var.VariableType == VariableTypeEnum.SubQuery)
{
this.sb.Append("(");
this.VisitSubQuery(var.SubQuery);
this.sb.Append(")");
}
else if (var.VariableType == VariableTypeEnum.Field)
{
this.VisitFieldVariable(var);
}
}
private void VisitFieldVariable(LiteVariable var)
{
Func <string, string> selector = null;
if (var.IsFullTextSearch)
{
if (selector == null)
{
selector = i => string.Format("[{0}].[{1}]", var.TableAlias, i);
}
this.sb.Append(string.Join(",", var.FieldNameList.Select <string, string>(selector)));
}
else
{
if (!string.IsNullOrWhiteSpace(var.TableAlias))
{
this.sb.Append(" [");
this.sb.Append(var.TableAlias);
this.sb.Append("].");
}
this.sb.Append("[");
this.sb.Append(var.FieldName);
this.sb.Append("] ");
}
}
