private void method_1(ExpParse expParse_0)
{
Filters fs = expParse_0.getFilters(this);
if (DataSet.DEBUG)
{
bool flag = fs.includeAllFilter();
CellExt1 cS = expParse_0.CS;
if ((cS != null) && (cS.Current != null))
{
if (cS.Current.Source == cS.Current)
{
if (flag)
{
Logger.info(cS.Current.SourceId.ToString().ToString() + "过滤完全使用索引");
}
else
{
Logger.info(cS.Current.SourceId.ToString().ToString() + "过滤时使用索引中遍历");
}
}
}
else if (flag)
{
Logger.info("过滤完全使用索引");
}
else
{
Logger.info("过滤使用索引中遍历");
}
}
this.arrayList_0 = this.dataSet_0.Index.getRows(this.btree_0, fs);
this.arrayList_0.TrimToSize();
}
public Group filter(ExpParse exp)
{
if (exp == null)
{
return(this);
}
if (exp.ConstantExpression)
{
object obj2 = exp.calculate();
if ((obj2 is bool) && (bool)(obj2))
{
return(this);
}
}
Group group = (Group)base.MemberwiseClone();
group.bool_0 = false;
if (exp.getFilters(group) == null)
{
group.method_0(exp);
}
else
{
group.method_1(exp);
}
group.btree_0 = null;
return(group);
}
public Row select1(ExpParse filterExp)
{
if (filterExp == null)
{
if (this.arrayList_0.Count != 0)
{
return((Row)this.arrayList_0[0]);
}
return(this.dataSet_0.NullRow);
}
Filters fs = filterExp.getFilters(this);
if (fs != null)
{
if (DataSet.DEBUG)
{
CellExt1 cS = filterExp.CS;
if ((cS == null) || (cS.Current == null))
{
Logger.info("单选完全使用索引");
}
else if (cS.Current.Source == cS.Current)
{
Logger.info(cS.Current.SourceId.ToString().ToString() + "单选完全使用索引");
}
}
Row row2 = this.dataSet_0.Index.getRow(this.btree_0, fs);
if (row2 != null)
{
return(row2);
}
}
else
{
for (int i = 0; i < this.arrayList_0.Count; i++)
{
Row row3 = (Row)this.arrayList_0[i];
if (row3.test(filterExp))
{
return(row3);
}
}
}
return(this.dataSet_0.NullRow);
}