protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityStatement CreateCompiledEntityStatement()
{
Net.Vpc.Upa.Persistence.ExpressionCompilerConfig config = new Net.Vpc.Upa.Persistence.ExpressionCompilerConfig();
string alias = null;
string ent = null;
if (query is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select d = (Net.Vpc.Upa.Expressions.Select)query;
string entityAlias = d.GetEntityAlias();
Net.Vpc.Upa.Expressions.EntityName entityName = (d.GetEntity() is Net.Vpc.Upa.Expressions.EntityName) ? ((Net.Vpc.Upa.Expressions.EntityName)d.GetEntity()) : null;
if (entityAlias != null)
{
alias = entityAlias;
ent = entityName == null ? null : entityName.GetName();
}
else
{
ent = entityName == null ? null : entityName.GetName();
alias = ent;
}
}
if (alias != null)
{
config.SetThisAlias(alias);
}
config.SetExpandFields(false);
config.SetExpandEntityFilter(false);
config.SetValidate(false);
return((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityStatement)context.GetPersistenceUnit().GetExpressionManager().CompileExpression(query, config));
}
public static string[] ResolveEntityAndAlias(Net.Vpc.Upa.Expressions.Select select)
{
string e = select.GetEntityName();
if (e != null)
{
return(new string[] { e, select.GetEntityAlias() });
}
return(null);
}
private System.Collections.Generic.IDictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery> FindDeclarations(Net.Vpc.Upa.Expressions.QueryStatement queryStatement)
{
System.Collections.Generic.IDictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery> names = new System.Collections.Generic.Dictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery>();
if (queryStatement is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select s = (Net.Vpc.Upa.Expressions.Select)queryStatement;
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(s.GetEntityAlias()))
{
names[s.GetEntityAlias()] = s.GetEntity();
}
else
{
string t = s.GetEntityName();
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(t))
{
names[s.GetEntityAlias()] = s.GetEntity();
}
}
foreach (Net.Vpc.Upa.Expressions.JoinCriteria j in s.GetJoins())
{
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(j.GetEntityAlias()))
{
names[j.GetEntityAlias()] = j.GetEntity();
}
else
{
string t = j.GetEntityName();
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(t))
{
names[j.GetEntityAlias()] = j.GetEntity();
}
}
}
}
else if (queryStatement is Net.Vpc.Upa.Expressions.Union)
{
}
// do nothing
return(names);
}
public virtual Net.Vpc.Upa.Persistence.ResultMetaData CreateResultMetaData(Net.Vpc.Upa.Expressions.Expression baseExpression, Net.Vpc.Upa.Filters.FieldFilter fieldFilter, System.Collections.Generic.IList <Net.Vpc.Upa.Expressions.QueryStatement> context)
{
baseExpression = Net.Vpc.Upa.Impl.Uql.Util.UQLUtils.ParseUserExpressions(baseExpression, pu);
Net.Vpc.Upa.Impl.Persistence.DefaultResultMetaData m = new Net.Vpc.Upa.Impl.Persistence.DefaultResultMetaData();
if (baseExpression is Net.Vpc.Upa.Expressions.NonQueryStatement)
{
m.SetStatement((Net.Vpc.Upa.Expressions.EntityStatement)baseExpression);
m.AddField(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(null, "result", Net.Vpc.Upa.Types.TypesFactory.INT, null, null));
return(m);
}
else
{
Net.Vpc.Upa.Expressions.QueryStatement q = (Net.Vpc.Upa.Expressions.QueryStatement)baseExpression;
if (q is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select qs = (Net.Vpc.Upa.Expressions.Select)q;
if ((qs.GetFields()).Count == 0)
{
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(qs.GetEntityAlias()))
{
qs.Field(new Net.Vpc.Upa.Expressions.Var(qs.GetEntityAlias()));
}
else if (qs.GetEntityName() != null)
{
qs.Field(new Net.Vpc.Upa.Expressions.Var(qs.GetEntityName()));
}
else
{
throw new Net.Vpc.Upa.Exceptions.UPAException("MissingAlias");
}
foreach (Net.Vpc.Upa.Expressions.JoinCriteria joinCriteria in qs.GetJoins())
{
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(joinCriteria.GetEntityAlias()))
{
qs.Field(new Net.Vpc.Upa.Expressions.Var(joinCriteria.GetEntityAlias()));
}
else if (joinCriteria.GetEntityName() != null)
{
qs.Field(new Net.Vpc.Upa.Expressions.Var(joinCriteria.GetEntityName()));
}
else
{
throw new Net.Vpc.Upa.Exceptions.UPAException("MissingAlias");
}
}
}
System.Collections.Generic.IList <Net.Vpc.Upa.Expressions.QueryField> oldFields = new System.Collections.Generic.List <Net.Vpc.Upa.Expressions.QueryField>(q.GetFields());
System.Collections.Generic.IList <Net.Vpc.Upa.Expressions.QueryField> newFields = new System.Collections.Generic.List <Net.Vpc.Upa.Expressions.QueryField>();
System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> newResults = new System.Collections.Generic.List <Net.Vpc.Upa.Persistence.ResultField>();
System.Collections.Generic.IList <Net.Vpc.Upa.Expressions.QueryStatement> context2 = new System.Collections.Generic.List <Net.Vpc.Upa.Expressions.QueryStatement>();
Net.Vpc.Upa.Impl.FwkConvertUtils.ListAddRange(context2, context);
context2.Add(q);
foreach (Net.Vpc.Upa.Expressions.QueryField f in oldFields)
{
Net.Vpc.Upa.Expressions.Expression expression = f.GetExpression();
string oldAlias = f.GetAlias();
System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> newVal = CreateResultFields(expression, oldAlias, fieldFilter, context2);
Net.Vpc.Upa.Impl.FwkConvertUtils.ListAddRange(newResults, newVal);
if ((newVal).Count == 0)
{
}
else if ((newVal).Count == 1)
{
f.SetExpression(newVal[0].GetExpression());
f.SetAlias(Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(oldAlias) ? oldAlias : newVal[0].GetAlias());
newFields.Add(f);
}
else
{
foreach (Net.Vpc.Upa.Persistence.ResultField nf in newVal)
{
Net.Vpc.Upa.Expressions.QueryField f2 = new Net.Vpc.Upa.Expressions.QueryField(Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(oldAlias) ? oldAlias : nf.GetAlias(), nf.GetExpression());
newFields.Add(f2);
}
}
}
qs.ClearFields();
foreach (Net.Vpc.Upa.Expressions.QueryField newField in newFields)
{
qs.Field(newField);
}
m.SetStatement(qs);
foreach (Net.Vpc.Upa.Persistence.ResultField newResult in newResults)
{
m.AddField(newResult);
}
}
else if (q is Net.Vpc.Upa.Expressions.Union)
{
System.Collections.Generic.IList <Net.Vpc.Upa.Expressions.QueryStatement> context2 = new System.Collections.Generic.List <Net.Vpc.Upa.Expressions.QueryStatement>();
Net.Vpc.Upa.Impl.FwkConvertUtils.ListAddRange(context2, context);
context2.Add(q);
Net.Vpc.Upa.Expressions.Union u0 = (Net.Vpc.Upa.Expressions.Union)q;
Net.Vpc.Upa.Expressions.Union u = new Net.Vpc.Upa.Expressions.Union();
Net.Vpc.Upa.Persistence.ResultField[] fields = null;
foreach (Net.Vpc.Upa.Expressions.QueryStatement qs in u0.GetQueryStatements())
{
Net.Vpc.Upa.Persistence.ResultMetaData resultMetaData = CreateResultMetaData(qs, fieldFilter, context2);
u.Add((Net.Vpc.Upa.Expressions.QueryStatement)resultMetaData.GetStatement());
System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> f = resultMetaData.GetFields();
if (fields == null)
{
fields = f.ToArray();
}
else
{
if (fields.Length != (f).Count)
{
throw new Net.Vpc.Upa.Exceptions.UPAException("InvalidUnion");
}
for (int i = 0; i < fields.Length; i++)
{
fields[i] = Merge(fields[i], f[i]);
}
}
}
m.SetStatement(u);
if (fields != null)
{
foreach (Net.Vpc.Upa.Persistence.ResultField field in fields)
{
m.AddField(field);
}
}
}
else
{
throw new System.Exception();
}
}
return(m);
}
protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect CompileSelect(Net.Vpc.Upa.Expressions.Select v, Net.Vpc.Upa.Impl.Uql.ExpressionTranslationManager manager, Net.Vpc.Upa.Impl.Uql.ExpressionDeclarationList declarations)
{
if (v == null)
{
return(null);
}
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect s = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect();
s.SetDistinct(v.IsDistinct());
s.SetTop(v.GetTop());
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect nameOrSelect = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)manager.TranslateAny(v.GetEntity(), declarations);
string entityAlias = v.GetEntityAlias();
System.Collections.Generic.HashSet <string> aliases = new System.Collections.Generic.HashSet <string>();
if (entityAlias == null)
{
if (nameOrSelect is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)
{
entityAlias = ((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)nameOrSelect).GetName();
}
else
{
entityAlias = "ALIAS";
}
int i = 0;
while (true)
{
string a2 = i == 0 ? entityAlias : (entityAlias + i);
if (!aliases.Contains(a2))
{
aliases.Add(a2);
entityAlias = a2;
break;
}
i++;
}
}
s.From(nameOrSelect, entityAlias);
for (int i = 0; i < v.CountJoins(); i++)
{
Net.Vpc.Upa.Expressions.JoinCriteria c = v.GetJoin(i);
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect jnameOrSelect = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)manager.TranslateAny(c.GetEntity(), declarations);
entityAlias = c.GetEntityAlias();
if (entityAlias == null)
{
if (nameOrSelect is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)
{
entityAlias = ((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)nameOrSelect).GetName();
}
else
{
entityAlias = "ALIAS";
}
i = 0;
while (true)
{
string a2 = i == 0 ? entityAlias : (entityAlias + i);
if (!aliases.Contains(a2))
{
aliases.Add(a2);
entityAlias = a2;
break;
}
i++;
}
}
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria cc = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria(c.GetJoinType(), jnameOrSelect, entityAlias, manager.TranslateAny(c.GetCondition(), declarations));
s.Join(cc);
}
for (int i = 0; i < v.CountFields(); i++)
{
Net.Vpc.Upa.Expressions.QueryField field = v.GetField(i);
s.Field(manager.TranslateAny(field.GetExpression(), declarations), field.GetAlias());
}
s.Where(manager.TranslateAny(v.GetWhere(), declarations));
s.Having(manager.TranslateAny(v.GetHaving(), declarations));
for (int i = 0; i < v.CountGroupByItems(); i++)
{
Net.Vpc.Upa.Expressions.Expression c = v.GetGroupBy(i);
s.GroupBy(manager.TranslateAny(c, declarations));
}
for (int i = 0; i < v.CountOrderByItems(); i++)
{
Net.Vpc.Upa.Expressions.Expression c = v.GetOrderBy(i);
s.OrderBy(manager.TranslateAny(c, declarations), v.IsOrderAscending(i));
}
return(s);
}