public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
if (this.roleType.ObjectType is IUnit)
{
statement.Append(" " + alias + "." + schema.Column(this.roleType) + "=" + statement.AddParameter(this.obj));
}
else
{
var allorsObject = (IObject)this.obj;
if (this.roleType.RelationType.ExistExclusiveClasses)
{
statement.Append(" (" + alias + "." + schema.Column(this.roleType) + " IS NOT NULL AND ");
statement.Append(" " + alias + "." + schema.Column(this.roleType) + "=" + allorsObject.Strategy.ObjectId + ")");
}
else
{
statement.Append(" (" + this.roleType.SingularPropertyName + "_R." + schema.RoleId + " IS NOT NULL AND ");
statement.Append(" " + this.roleType.SingularPropertyName + "_R." + schema.RoleId + "=" + allorsObject.Strategy.ObjectId + ")");
}
}
return(this.Include);
}
public override string BuildSql(ExtentStatement statement)
{
this.first.BuildSql(statement);
switch (this.operationType)
{
case ExtentOperations.Union:
statement.Append("\nUNION\n");
break;
case ExtentOperations.Intersect:
statement.Append("\nINTERSECT\n");
break;
case ExtentOperations.Except:
statement.Append("\n" + this.Session.SqlDatabase.Except + "\n");
break;
}
statement.Append("(");
this.second.BuildSql(statement);
statement.Append(")");
return(null);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
if (this.role.ObjectType is IUnit)
{
statement.Append(" " + alias + "." + schema.Column(this.role) + " IS NOT NULL");
}
else
{
if ((this.role.IsMany && this.role.RelationType.AssociationType.IsMany) || !this.role.RelationType.ExistExclusiveClasses)
{
statement.Append(" " + this.role.SingularPropertyName + "_R." + schema.RoleId + " IS NOT NULL");
}
else
{
if (this.role.IsMany)
{
statement.Append(" " + this.role.SingularPropertyName + "_R." + schema.ObjectId + " IS NOT NULL");
}
else
{
statement.Append(" " + alias + "." + schema.Column(this.role) + " IS NOT NULL");
}
}
}
return(this.Include);
}
public void BuildOrder(ExtentStatement statement, string alias)
{
if (statement.Sorter.Equals(this))
{
statement.Append(" ORDER BY " + alias + "." + statement.Schema.Column(this.roleType));
}
else
{
statement.Append(" , " + alias + "." + statement.Schema.Column(this.roleType));
}
if (this.direction == SortDirection.Ascending)
{
statement.Append(" ASC ");
this.AddAscendingAppendix(statement);
}
else
{
statement.Append(" DESC ");
this.AddDescendingAppendix(statement);
}
if (this.subSorter != null)
{
this.subSorter.BuildOrder(statement, alias);
}
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
if (this.instanceClasses.Length == 1)
{
statement.Append(alias + "." + schema.TypeId + "=" + statement.AddParameter(this.instanceClasses[0].Id) + " ");
}
else if (this.instanceClasses.Length > 1)
{
statement.Append(" ( ");
for (var i = 0; i < this.instanceClasses.Length; i++)
{
statement.Append(alias + "." + schema.TypeId + "=" + statement.AddParameter(this.instanceClasses[i].Id));
if (i < this.instanceClasses.Length - 1)
{
statement.Append(" OR ");
}
}
statement.Append(" ) ");
}
return(this.Include);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
var inStatement = statement.CreateChild(this.inExtent, this.association);
inStatement.UseRole(this.association.RoleType);
if ((this.association.IsMany && this.association.RelationType.RoleType.IsMany) || !this.association.RelationType.ExistExclusiveClasses)
{
statement.Append(" (" + this.association.SingularFullName + "_A." + schema.AssociationId + " IS NOT NULL AND ");
statement.Append(" " + this.association.SingularFullName + "_A." + schema.AssociationId + " IN (\n");
this.inExtent.BuildSql(inStatement);
statement.Append(" ))\n");
}
else
{
if (this.association.RelationType.RoleType.IsMany)
{
statement.Append(" (" + alias + "." + schema.Column(this.association) + " IS NOT NULL AND ");
statement.Append(" " + alias + "." + schema.Column(this.association) + " IN (\n");
this.inExtent.BuildSql(inStatement);
statement.Append(" ))\n");
}
else
{
statement.Append(" (" + this.association.SingularFullName + "_A." + schema.ObjectId + " IS NOT NULL AND ");
statement.Append(" " + this.association.SingularFullName + "_A." + schema.ObjectId + " IN (\n");
this.inExtent.BuildSql(inStatement);
statement.Append(" ))\n");
}
}
return(this.Include);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
if (this.Include)
{
statement.Append(" NOT (");
this.filter.BuildWhere(statement, alias);
statement.Append(")");
}
return(this.Include);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
statement.Append(" " + alias + "." + schema.Column(this.role) + ">" + alias + "." + schema.Column(this.greaterThanRole));
return(this.Include);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
statement.Append(" " + alias + "." + schema.Column(this.role) + " LIKE " + statement.AddParameter(this.like));
return(this.Include);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
statement.Append(" (" + alias + "." + schema.Column(this.role) + " BETWEEN " + alias + "." + schema.Column(this.first) + " AND " + alias + "." + schema.Column(this.second) + ")");
return(this.Include);
}
public void BuildSelect(ExtentStatement statement, string alias)
{
statement.Append(" , " + alias + "." + statement.Schema.Column(this.roleType) + " ");
if (this.subSorter != null)
{
this.subSorter.BuildSelect(statement, alias);
}
}
private void AddDescendingAppendix(ExtentStatement statement)
{
var sortAppendix = this.session.SqlDatabase.DescendingSortAppendix;
if (sortAppendix != null)
{
statement.Append(sortAppendix + " ");
}
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
if ((this.association.IsMany && this.association.RelationType.RoleType.IsMany) || !this.association.RelationType.ExistExclusiveClasses)
{
statement.Append(" (" + this.association.SingularFullName + "_A." + schema.AssociationId + " IS NOT NULL AND ");
statement.Append(" " + this.association.SingularFullName + "_A." + schema.AssociationId + "=" + this.allorsObject.Strategy.ObjectId + ")");
}
else
{
if (this.association.RelationType.RoleType.IsMany)
{
statement.Append(" (" + alias + "." + schema.Column(this.association) + " IS NOT NULL AND ");
statement.Append(" " + alias + "." + schema.Column(this.association) + "=" + this.allorsObject.Strategy.ObjectId + ")");
}
else
{
statement.Append(" (" + this.association.SingularFullName + "_A." + schema.ObjectId + " IS NOT NULL AND ");
statement.Append(" " + this.association.SingularFullName + "_A." + schema.ObjectId + " =" + this.allorsObject.Strategy.ObjectId + ")");
}
}
return(this.Include);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
if (this.role.ObjectType is IUnit && this.equalsRole.ObjectType is IUnit)
{
statement.Append(" " + alias + "." + schema.Column(this.role) + "=" + alias + "." + schema.Column(this.equalsRole));
}
else
{
var roleCompositeType = this.role.ObjectType as IComposite;
var equalsRoleCompositeType = this.equalsRole.ObjectType as IComposite;
if (roleCompositeType != null && roleCompositeType.ExclusiveClass != null &&
equalsRoleCompositeType != null && equalsRoleCompositeType.ExclusiveClass != null)
{
statement.Append(" " + alias + "." + schema.Column(this.role) + "=" + alias + "." + schema.Column(this.equalsRole));
}
throw new NotImplementedException();
}
return(this.Include);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
if ((this.association.IsMany && this.association.RoleType.IsMany) || !this.association.RelationType.ExistExclusiveClasses)
{
statement.Append("\n");
statement.Append("EXISTS(\n");
statement.Append("SELECT " + alias + "." + schema.ObjectId + "\n");
statement.Append("FROM " + schema.Table(this.association) + "\n");
statement.Append("WHERE " + schema.AssociationId + "=" + this.allorsObject.Strategy.ObjectId + "\n");
statement.Append("AND " + schema.RoleId + "=" + alias + "." + schema.ObjectId + "\n");
statement.Append(")");
}
else
{
statement.Append(" " + this.association.SingularFullName + "_A." + schema.ObjectId + " = " + this.allorsObject.Strategy.ObjectId);
}
return(this.Include);
}
private string BuildSqlWithExclusiveLeafClass(ExtentStatement statement)
{
var alias = statement.CreateAlias();
var exclusiveLeafClass = this.objectType.ExclusiveClass;
if (statement.IsRoot)
{
statement.Append("SELECT DISTINCT " + alias + "." + this.Schema.ObjectId);
if (statement.Sorter != null)
{
statement.Sorter.BuildSelect(statement, alias);
}
statement.Append(" FROM " + this.Schema.Table(exclusiveLeafClass) + " " + alias);
statement.AddJoins(exclusiveLeafClass, alias);
statement.AddWhere(exclusiveLeafClass, alias);
if (this.filter != null)
{
this.filter.BuildWhere(statement, alias);
}
}
else
{
// ContainedIn
var inStatement = (ExtentStatementChild)statement;
if (inStatement.RoleType != null)
{
var inRole = inStatement.RoleType;
var inRelationType = inRole.RelationType;
if (inRelationType.Multiplicity == Multiplicity.ManyToMany || !inRelationType.ExistExclusiveClasses)
{
statement.Append("SELECT " + inRole.AssociationType.SingularFullName + "_A." + this.Schema.AssociationId);
}
else
{
if (inRole.IsMany)
{
statement.Append("SELECT " + alias + "." + this.Schema.ObjectId);
}
else
{
statement.Append("SELECT " + inRole.AssociationType.SingularFullName + "_A." + this.Schema.Column(inRole.AssociationType));
}
}
statement.Append(" FROM " + this.Schema.Table(exclusiveLeafClass) + " " + alias);
statement.AddJoins(exclusiveLeafClass, alias);
var wherePresent = statement.AddWhere(exclusiveLeafClass, alias);
var filterUsed = false;
if (this.filter != null)
{
filterUsed = this.filter.BuildWhere(statement, alias);
}
if (wherePresent || filterUsed)
{
statement.Append(" AND ");
}
else
{
statement.Append(" WHERE ");
}
if (inRelationType.Multiplicity == Multiplicity.ManyToMany || !inRelationType.ExistExclusiveClasses)
{
statement.Append(inRole.AssociationType.SingularFullName + "_A." + this.Schema.AssociationId + " IS NOT NULL ");
}
else
{
if (inRole.IsMany)
{
statement.Append(alias + "." + this.Schema.Column(inRole.AssociationType) + " IS NOT NULL ");
}
else
{
statement.Append(inRole.AssociationType.SingularFullName + "_A." +
this.Schema.Column(inRole.AssociationType) + " IS NOT NULL ");
}
}
}
else
{
if (statement.IsRoot)
{
statement.Append("SELECT " + alias + "." + this.Schema.ObjectId);
if (statement.Sorter != null)
{
statement.Sorter.BuildSelect(statement);
}
}
else
{
statement.Append("SELECT " + alias + "." + this.Schema.ObjectId);
}
statement.Append(" FROM " + this.Schema.Table(exclusiveLeafClass) + " " + alias);
statement.AddJoins(exclusiveLeafClass, alias);
statement.AddWhere(exclusiveLeafClass, alias);
if (this.filter != null)
{
this.filter.BuildWhere(statement, alias);
}
}
}
return(alias);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
if ((this.role.IsMany && this.role.RelationType.AssociationType.IsMany) || !this.role.RelationType.ExistExclusiveClasses)
{
statement.Append("\n");
statement.Append("EXISTS(\n");
statement.Append("SELECT " + alias + "." + schema.ObjectId + "\n");
statement.Append("FROM " + schema.Table(this.role) + "\n");
statement.Append("WHERE " + schema.AssociationId + "=" + alias + "." + schema.ObjectId + "\n");
statement.Append("AND " + schema.RoleId + "=" + this.allorsObject.Strategy.ObjectId + "\n");
statement.Append(")\n");
}
else
{
var compositeType = (IComposite)this.role.ObjectType;
// This join is not possible because of the 3VL (Three Valued Logic).
// It should work for normal queries, but it fails when wrapped in a NOT( ... ) predicate.
// The rows with NULL values should then return TRUE and not UNKNOWN.
//
// statement.sql.Append(" " + role.SingularPropertyName + "_R." + schema.O + " = " + allorsObject.ObjectId);
statement.Append("\n");
statement.Append("EXISTS(\n");
statement.Append("SELECT " + schema.ObjectId + "\n");
statement.Append("FROM " + schema.Table(compositeType.ExclusiveClass) + "\n");
statement.Append("WHERE " + schema.ObjectId + "=" + this.allorsObject.Strategy.ObjectId + "\n");
statement.Append("AND " + schema.Column(this.role.AssociationType) + "=" + alias + ".O\n");
statement.Append(")\n");
}
return(Include);
}
private string BuildSqlWithExclusiveLeafClasses(ExtentStatement statement)
{
if (statement.IsRoot)
{
var leafClasses = this.objectType.Classes.ToArray();
for (var i = 0; i < leafClasses.Length; i++)
{
var alias = statement.CreateAlias();
var leafClass = leafClasses[i];
statement.Append("SELECT " + alias + "." + this.Schema.ObjectId);
if (statement.Sorter != null)
{
statement.Sorter.BuildSelect(statement);
}
statement.Append(" FROM " + this.Schema.Table(leafClass) + " " + alias);
statement.AddJoins(leafClass, alias);
statement.AddWhere(leafClass, alias);
if (this.filter != null)
{
this.filter.BuildWhere(statement, alias);
}
if (i < leafClasses.Length - 1)
{
statement.Append("\nUNION\n");
}
}
}
else
{
var inStatement = (ExtentStatementChild)statement;
if (inStatement.RoleType != null)
{
var useUnion = false;
foreach (var leafClass in this.objectType.Classes)
{
var inRole = inStatement.RoleType;
var inRelationType = inRole.RelationType;
if (!((IComposite)inRole.ObjectType).Classes.Contains(leafClass))
{
continue;
}
if (useUnion)
{
statement.Append("\nUNION\n");
}
else
{
useUnion = true;
}
var alias = statement.CreateAlias();
if (inRelationType.Multiplicity == Multiplicity.ManyToMany || !inRelationType.ExistExclusiveClasses)
{
statement.Append("SELECT " + inRole.AssociationType.SingularFullName + "_A." + this.Schema.AssociationId);
}
else
{
if (inRole.IsMany)
{
statement.Append("SELECT " + alias + "." + this.Schema.ObjectId);
}
else
{
statement.Append("SELECT " + inRole.AssociationType.SingularFullName + "_A." + this.Schema.Column(inRole.AssociationType));
}
}
statement.Append(" FROM " + this.Schema.Table(leafClass) + " " + alias);
statement.AddJoins(leafClass, alias);
var wherePresent = statement.AddWhere(leafClass, alias);
var filterUsed = false;
if (this.filter != null)
{
filterUsed = this.filter.BuildWhere(statement, alias);
}
if (wherePresent || filterUsed)
{
statement.Append(" AND ");
}
else
{
statement.Append(" WHERE ");
}
if (inRelationType.Multiplicity == Multiplicity.ManyToMany || !inRelationType.ExistExclusiveClasses)
{
statement.Append(inRole.AssociationType.SingularFullName + "_A." + this.Schema.AssociationId + " IS NOT NULL ");
}
else
{
if (inRole.IsMany)
{
statement.Append(alias + "." + this.Schema.Column(inRole.AssociationType) + " IS NOT NULL ");
}
else
{
statement.Append(inRole.AssociationType.SingularFullName + "_A." + this.Schema.Column(inRole.AssociationType) + " IS NOT NULL ");
}
}
}
}
else
{
var leafClasses = this.objectType.Classes.ToArray();
for (var i = 0; i < leafClasses.Length; i++)
{
var alias = statement.CreateAlias();
var leafClass = leafClasses[i];
if (statement.IsRoot)
{
statement.Append("SELECT " + alias + "." + this.Schema.ObjectId);
if (statement.Sorter != null)
{
statement.Sorter.BuildSelect(statement);
}
}
else
{
statement.Append("SELECT " + alias + "." + this.Schema.ObjectId);
}
statement.Append(" FROM " + this.Schema.Table(leafClass) + " " + alias);
statement.AddJoins(leafClass, alias);
statement.AddWhere(leafClass, alias);
if (this.filter != null)
{
this.filter.BuildWhere(statement, alias);
}
if (i < leafClasses.Length - 1)
{
statement.Append("\nUNION\n");
}
}
}
}
return(null);
}
public override bool BuildWhere(ExtentStatement statement, string alias)
{
var schema = statement.Schema;
var inStatement = new StringBuilder("0");
foreach (var inObject in this.enumerable)
{
inStatement.Append(",");
inStatement.Append(inObject.Id);
}
if ((this.role.IsMany && this.role.RelationType.AssociationType.IsMany) || !this.role.RelationType.ExistExclusiveClasses)
{
statement.Append(" (" + this.role.SingularPropertyName + "_R." + schema.RoleId + " IS NOT NULL AND ");
statement.Append(" " + this.role.SingularPropertyName + "_R." + schema.AssociationId + " IN (");
statement.Append(inStatement.ToString());
statement.Append(" ))");
}
else
{
if (this.role.IsMany)
{
statement.Append(" (" + this.role.SingularPropertyName + "_R." + schema.ObjectId + " IS NOT NULL AND ");
statement.Append(" " + this.role.SingularPropertyName + "_R." + schema.ObjectId + " IN (");
statement.Append(inStatement.ToString());
statement.Append(" ))");
}
else
{
statement.Append(" (" + schema.Column(this.role) + " IS NOT NULL AND ");
statement.Append(" " + schema.Column(this.role) + " IN (");
statement.Append(inStatement.ToString());
statement.Append(" ))");
}
}
return(this.Include);
}