public static SoqlBooleanExpression ClassRestriction(SoqlPathExpression path, SchemaInfo schema, ClassInfo classInfo)
{
// returns no additional filter clause for parent (master-parent) class
if (classInfo.InheritsFromClass == null)
return null;
SoqlExpressionCollection literals = new SoqlExpressionCollection();
foreach (ClassInfo subclass in classInfo.GetSubclassesForSchema(schema))
{
if (subclass.SubclassSelectorValue != null)
{
literals.Add(new SoqlLiteralExpression(subclass.SubclassSelectorValue));
}
}
if (classInfo.SubclassSelectorValue != null)
{
literals.Add(new SoqlLiteralExpression(classInfo.SubclassSelectorValue));
}
// returns false when class is abstract (no SubClassSelectorValue) and there is no subclasses
if (literals.Count == 0)
return new SoqlBooleanLiteralExpression(false);
SoqlBooleanExpression restriction = new SoqlBooleanInExpression(
new SoqlPathExpression(path, classInfo.SubclassSelectorField.Name),
literals
);
return restriction;
}
public static SoqlBooleanExpression ClassRestriction(SoqlPathExpression path, SchemaInfo schema, ClassInfo classInfo)
{
// returns no additional filter clause for parent (master-parent) class
if (classInfo.InheritsFromClass == null)
{
return(null);
}
SoqlExpressionCollection literals = new SoqlExpressionCollection();
foreach (ClassInfo subclass in classInfo.GetSubclassesForSchema(schema))
{
if (subclass.SubclassSelectorValue != null)
{
literals.Add(new SoqlLiteralExpression(subclass.SubclassSelectorValue));
}
}
if (classInfo.SubclassSelectorValue != null)
{
literals.Add(new SoqlLiteralExpression(classInfo.SubclassSelectorValue));
}
// returns false when class is abstract (no SubClassSelectorValue) and there is no subclasses
if (literals.Count == 0)
{
return(new SoqlBooleanLiteralExpression(false));
}
SoqlBooleanExpression restriction = new SoqlBooleanInExpression(
new SoqlPathExpression(path, classInfo.SubclassSelectorField.Name),
literals
);
return(restriction);
}
public virtual void Visit(SoqlBooleanInExpression v)
{
if (v.Right.Count == 0)
{
Output.Write("0=1");
return;
}
v.Left.Accept(this);
Output.Write(" in ");
if (v.Right.Count != 1 || !(v.Right[0] is SoqlQueryExpression))
{
Output.Write('(');
}
for (int i = 0; i < v.Right.Count; ++i)
{
if (i > 0)
{
Output.Write(',');
}
v.Right[i].Accept(this);
}
if (v.Right.Count != 1 || !(v.Right[0] is SoqlQueryExpression))
{
Output.Write(')');
}
}
void Sooda.QL.ISoqlVisitor.Visit(SoqlBooleanInExpression v)
{
v.Left.Accept(this);
foreach (SoqlExpression expr in v.Right)
{
expr.Accept(this);
}
}
public virtual void Visit(SoqlBooleanInExpression v)
{
if (v.Right.Count == 0)
{
Output.Write("0=1");
return;
}
v.Left.Accept(this);
Output.Write(" in ");
if (v.Right.Count != 1 || !(v.Right[0] is SoqlQueryExpression))
Output.Write('(');
for (int i = 0; i < v.Right.Count; ++i)
{
if (i > 0)
Output.Write(',');
v.Right[i].Accept(this);
}
if (v.Right.Count != 1 || !(v.Right[0] is SoqlQueryExpression))
Output.Write(')');
}
void Sooda.QL.ISoqlVisitor.Visit(SoqlBooleanInExpression v)
{
v.Left.Accept(this);
foreach (SoqlExpression expr in v.Right)
{
expr.Accept(this);
}
}
SoqlQueryExpression CreateCollectionQuery(ClassInfo currentClass, string p, CollectionOnetoManyInfo col1n, SoqlExpression selectExpression, SoqlExpression needle)
{
SoqlBooleanExpression where = new SoqlBooleanRelationalExpression(
new SoqlPathExpression(col1n.ForeignField2.Name),
new SoqlPathExpression(new SoqlPathExpression(p.Split('.')), currentClass.GetFirstPrimaryKeyField().Name),
SoqlRelationalOperator.Equal);
if (col1n.Where != null && col1n.Where.Length > 0)
where &= SoqlParser.ParseWhereClause(col1n.Where);
string fromAlias = string.Empty;
if (needle != null)
{
SoqlQueryExpression nq = needle as SoqlQueryExpression;
if (nq != null
&& nq.StartIdx == 0 && nq.PageCount == -1 && nq.SelectExpressions.Count == 0
&& nq.From.Count == 1 && nq.From[0] == col1n.ClassName
&& nq.Having == null && nq.GroupByExpressions.Count == 0)
{
fromAlias = nq.FromAliases[0];
if (nq.WhereClause != null)
where &= nq.WhereClause;
}
else
{
if (col1n.Class.GetPrimaryKeyFields().Length >= 2)
throw new NotSupportedException("Contains() with composite primary key");
SoqlExpressionCollection collection = new SoqlExpressionCollection();
collection.Add(needle);
where &= new SoqlBooleanInExpression(
new SoqlPathExpression(col1n.Class.GetFirstPrimaryKeyField().Name),
collection);
}
}
SoqlQueryExpression query = new SoqlQueryExpression();
query.SelectExpressions.Add(selectExpression);
query.SelectAliases.Add("");
query.From.Add(col1n.ClassName);
query.FromAliases.Add(fromAlias);
query.WhereClause = where;
return query;
}