public IQueryExpressionPlan GetHQLQueryPlan(IQueryExpression queryExpression, bool shallow, IDictionary <string, IFilter> enabledFilters)
{
var key = new HQLQueryPlanKey(queryExpression, shallow, enabledFilters);
var plan = (QueryExpressionPlan)planCache[key];
if (plan == null)
{
if (log.IsDebugEnabled)
{
log.Debug("unable to locate HQL query plan in cache; generating (" + queryExpression.Key + ")");
}
plan = new QueryExpressionPlan(queryExpression, shallow, enabledFilters, factory);
planCache.Put(key, plan);
}
else
{
if (log.IsDebugEnabled)
{
log.Debug("located HQL query plan in cache (" + queryExpression.Key + ")");
}
plan = CopyIfRequired(plan, queryExpression);
}
return(plan);
}
public void ExecutesCustomSqlFunctionContains()
{
string hql = @"from Customer c where contains(c.Name, :smth)";
HQLQueryPlan plan = new QueryExpressionPlan(new StringQueryExpression(hql), false, new CollectionHelper.EmptyMapClass<string, IFilter>(), sessions);
Assert.AreEqual(1, plan.ParameterMetadata.NamedParameterNames.Count);
Assert.AreEqual(1, plan.QuerySpaces.Count);
Assert.AreEqual(1, plan.SqlStrings.Length);
}
public IQueryExpressionPlan GetHQLQueryPlan(IQueryExpression queryExpression, bool shallow, IDictionary <string, IFilter> enabledFilters)
{
var key = new HQLQueryPlanKey(queryExpression, shallow, enabledFilters);
var plan = (QueryExpressionPlan)planCache[key];
if (plan == null)
{
if (log.IsDebugEnabled)
{
log.Debug("unable to locate HQL query plan in cache; generating (" + queryExpression.Key + ")");
}
plan = new QueryExpressionPlan(queryExpression, shallow, enabledFilters, factory);
planCache.Put(key, plan);
}
else
{
if (log.IsDebugEnabled)
{
log.Debug("located HQL query plan in cache (" + queryExpression.Key + ")");
}
var planExpression = plan.QueryExpression as NhLinqExpression;
var expression = queryExpression as NhLinqExpression;
if (planExpression != null && expression != null)
{
//NH-3413
//Here we have to use original expression.
//In most cases NH do not translate expression in second time, but
// for cases when we have list parameters in query, like @p1.Contains(...),
// it does, and then it uses parameters from first try.
//TODO: cache only required parts of QueryExpression
//NH-3436
// We have to return new instance plan with it's own query expression
// because other treads can override queryexpression of current plan during execution of query if we will use cached instance of plan
expression.CopyExpressionTranslation(planExpression);
plan = plan.Copy(expression);
}
}
return(plan);
}
public IQueryExpressionPlan GetHQLQueryPlan(IQueryExpression queryExpression, bool shallow, IDictionary <string, IFilter> enabledFilters)
{
var key = new HQLQueryPlanKey(queryExpression, shallow, enabledFilters);
var plan = (QueryExpressionPlan)planCache[key];
if (plan == null)
{
if (log.IsDebugEnabled())
{
log.Debug("unable to locate HQL query plan in cache; generating ({0})", queryExpression.Key);
}
plan = new QueryExpressionPlan(queryExpression, shallow, enabledFilters, factory);
// 6.0 TODO: add "CanCachePlan { get; }" to IQueryExpression interface
if (!(queryExpression is NhLinqExpression linqExpression) || linqExpression.CanCachePlan)
{
planCache.Put(key, plan);
}
else
{
log.Debug("Query plan not cacheable");
}
}
private static QueryExpressionPlan CopyIfRequired(QueryExpressionPlan plan, IQueryExpression queryExpression)
{
var planExpression = plan.QueryExpression as NhLinqExpression;
var expression = queryExpression as NhLinqExpression;
if (planExpression != null && expression != null)
{
//NH-3413
//Here we have to use original expression.
//In most cases NH do not translate expression in second time, but
// for cases when we have list parameters in query, like @p1.Contains(...),
// it does, and then it uses parameters from first try.
//TODO: cache only required parts of QueryExpression
//NH-3436
// We have to return new instance plan with it's own query expression
// because other treads can override queryexpression of current plan during execution of query if we will use cached instance of plan
expression.CopyExpressionTranslation(planExpression);
plan = plan.Copy(expression);
}
return(plan);
}
public IQueryExpressionPlan GetHQLQueryPlan(IQueryExpression queryExpression, bool shallow, IDictionary <string, IFilter> enabledFilters)
{
var key = new HQLQueryPlanKey(queryExpression, shallow, enabledFilters);
var plan = (IQueryExpressionPlan)planCache[key];
if (plan == null)
{
if (log.IsDebugEnabled)
{
log.Debug("unable to locate HQL query plan in cache; generating (" + queryExpression.Key + ")");
}
plan = new QueryExpressionPlan(queryExpression, shallow, enabledFilters, factory);
planCache.Put(key, plan);
}
else
{
if (log.IsDebugEnabled)
{
log.Debug("located HQL query plan in cache (" + queryExpression.Key + ")");
}
var planExpression = plan.QueryExpression as NhLinqExpression;
var expression = queryExpression as NhLinqExpression;
if (planExpression != null && expression != null)
{
//NH-3413
//Here we have to use original expression.
//In most cases NH do not translate expression in second time, but
// for cases when we have list parameters in query, like @p1.Contains(...),
// it does, and then it uses parameters from first try.
//TODO: cache only required parts of QueryExpression
planExpression._expression = expression._expression;
planExpression._constantToParameterMap = expression._constantToParameterMap;
}
}
return(plan);
}
