private void ProcessMerge(StringBuilder sb, MergeSegment segment, QueryBuildInfo buildInfo, IDbLayer dbLayer)
{
int count = 0;
if (segment.Mode == MergeSegmentMode.ParaAnd ||
segment.Mode == MergeSegmentMode.ParaOr)
{
sb.Append("(");
}
foreach (ISegment subSegment in segment.Segments)
{
if (count > 0)
{
switch (segment.Mode)
{
case MergeSegmentMode.And:
case MergeSegmentMode.ParaAnd:
sb.Append(" AND ");
break;
case MergeSegmentMode.ParaOr:
case MergeSegmentMode.Or:
sb.Append(" OR ");
break;
}
}
Process(sb, subSegment, buildInfo, dbLayer);
count++;
}
if (segment.Mode == MergeSegmentMode.ParaAnd ||
segment.Mode == MergeSegmentMode.ParaOr)
{
sb.Append(")");
}
}
protected T BaseOr(params T[] expressions)
{
MergeSegment mergeSegment;
if (expressions == null || expressions.Length == 0)
{
mergeSegment = new MergeSegment(MergeSegmentMode.Or);
return(AddSegment(mergeSegment));
}
mergeSegment = new MergeSegment(MergeSegmentMode.ParaOr);
foreach (T expression in expressions)
{
mergeSegment.AddSub(expression.RootSegment);
}
return(AddSegment(mergeSegment));
}
