public override BooleanClause[] VisitBooleanClauses(BooleanClause[] clauses)
{
List <BooleanClause> newList = null;
clauses = new BooleanClauseOptimizer().VisitBooleanClauses(clauses);
int index = 0;
int count = clauses.Length;
while (index < count)
{
var visitedClause = VisitBooleanClause(clauses[index]);
if (newList != null)
{
newList.Add(visitedClause);
}
else if (visitedClause != clauses[index])
{
newList = new List <BooleanClause>();
for (int i = 0; i < index; i++)
{
newList.Add(clauses[i]);
}
newList.Add(visitedClause);
}
index++;
}
return(newList != null?newList.ToArray() : clauses);
}
public override BooleanClause[] VisitBooleanClauses(BooleanClause[] clauses)
{
List <BooleanClause> newList = null;
clauses = new BooleanClauseOptimizer().VisitBooleanClauses(clauses);
// optimize to IN clause if possible
var simpleTerms = GetTermIfEverythingIsTermQuery(clauses);
if (simpleTerms != null)
{
if (CompileToInClause(simpleTerms))
{
return(clauses);
}
}
int index = 0;
int count = clauses.Length;
_sql.Append("(");
while (index < count)
{
if (index > 0)
{
_sql.Append(" " + GetSqlOperator(clauses[index - 1], clauses[index]) + " ");
}
if (clauses[index].GetOccur() == BooleanClause.Occur.MUST_NOT)
{
_sql.Append("NOT ");
}
var visitedClause = VisitBooleanClause(clauses[index]);
if (newList != null)
{
newList.Add(visitedClause);
}
else if (visitedClause != clauses[index])
{
newList = new List <BooleanClause>();
for (int i = 0; i < index; i++)
{
newList.Add(clauses[i]);
}
newList.Add(visitedClause);
}
index++;
}
_sql.Append(")");
return(newList != null?newList.ToArray() : clauses);
}
/*todo*/public override BooleanClause[] VisitBooleanClauses(BooleanClause[] clauses)
{
List<BooleanClause> newList = null;
clauses = new BooleanClauseOptimizer().VisitBooleanClauses(clauses);
int index = 0;
int count = clauses.Length;
while (index < count)
{
var visitedClause = VisitBooleanClause(clauses[index]);
if (newList != null)
{
newList.Add(visitedClause);
}
else if (visitedClause != clauses[index])
{
newList = new List<BooleanClause>();
for (int i = 0; i < index; i++)
newList.Add(clauses[i]);
newList.Add(visitedClause);
}
index++;
}
return newList != null ? newList.ToArray() : clauses;
}
