public override bool Equals(object obj)
{
DbObject other = obj as DbObject;
if (other == null)
{
return(false);
}
string left = Identifier.Canonicalize(Identifier.ID);
string right = Identifier.Canonicalize(other.Identifier.ID);
if (!left.Equals(right))
{
return(false);
}
if (m_next != null)
{
DbObject tail = other.Next;
if (tail == null)
{
return(false);
}
else
{
return(m_next.Equals(tail));
}
}
else
{
return(!other.HasNext);
}
}
public override void PerformBefore(DbObject node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (!node.HasNext)
{
if (TailorUtil.IsSysdate(node.Identifier))
{
ReplaceTerm(node, new FunctionCall(
TailorUtil.GetCapitalized(TailorUtil.NOW)));
}
if (!m_inSelectItems && (m_selectItemAliases != null))
{
string key = Identifier.Canonicalize(node.Identifier.ID);
if (m_selectItemAliases.ContainsKey(key))
{
AliasedItem orig = m_selectItemAliases[key];
ReplaceTerm(node, orig.Item.Clone());
}
}
}
base.PerformBefore(node);
}
public TableWildcard(DbObject dbObject)
{
if (dbObject == null)
{
throw new ArgumentNullException("dbObject");
}
m_dbObject = dbObject;
}
public INode Clone()
{
DbObject dbObject = new DbObject((Identifier)(m_identifier.Clone()));
if (m_next != null)
{
dbObject.Add((DbObject)(m_next.Clone()));
}
return(dbObject);
}
public override void PerformAfter(DbObject node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (node.HasNext)
{
m_sql.Append('.');
}
}
static bool IsRownumTerm(INode arg)
{
arg = GetComparedTerm(arg);
DbObject dbObject = arg as DbObject;
if ((dbObject == null) || dbObject.HasNext)
{
return(false);
}
return(IsRownum(dbObject.Identifier));
}
public override void PerformBefore(DbObject node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (!node.HasNext && TailorUtil.IsSysdate(node.Identifier))
{
ReplaceTerm(node, new FunctionCall(TailorUtil.GETDATE.ToUpperInvariant()));
}
base.PerformBefore(node);
}
public Assignment(DbObject name, INode val)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (val == null)
{
throw new ArgumentNullException("val");
}
m_name = name;
m_value = val;
}
public override void PerformBefore(DbObject node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (!node.HasNext && TailorUtil.IsSysdate(node.Identifier))
{
ReplaceTerm(node, new DbObject(new Identifier(
TailorUtil.CURRENT_TIMESTAMP.ToUpperInvariant())));
}
base.PerformBefore(node);
}
public void Add(DbObject tail)
{
if (tail == null)
{
throw new ArgumentNullException("tail");
}
if (m_next == null)
{
m_next = tail;
}
else
{
m_next.Add(tail);
}
}
public override void PerformBefore(QueryExpression node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
base.PerformBefore(node);
if (node.Where == null)
{
AliasedItem from = node.From;
if ((from != null) && (from.Alias == null) && !from.HasNext)
{
Table singleTable = from.Item as Table;
if ((singleTable != null) && (singleTable.Alias == null) &&
(singleTable.JoinCondition == null) &&
(singleTable.JoinType == null) && !singleTable.HasNext)
{
DbObject singleName = TailorUtil.GetTerm(
singleTable.Source) as DbObject;
if ((singleName != null) && !singleName.HasNext)
{
Identifier identifier = singleName.Identifier;
// Not canonicalizing - we're accepting quoted "dual"
// as a regular identifier.
if (TailorUtil.DUAL.Equals(
identifier.ID.ToLowerInvariant()))
{
node.From = null;
}
}
}
}
}
if (node.LimitFormat != ' ')
{
node.LimitFormat = 'L';
}
}
public int CompareTo(object obj)
{
DbObject other = obj as DbObject;
if (other == null)
{
throw new ArgumentException("Object is not a DbObject.", "obj");
}
string left = Identifier.Canonicalize(Identifier.ID);
string right = Identifier.Canonicalize(other.Identifier.ID);
int cmp = left.CompareTo(right);
if (cmp != 0)
{
return(cmp);
}
if (m_next != null)
{
DbObject tail = other.Next;
if (tail == null)
{
return(1);
}
else
{
return(m_next.CompareTo(tail));
}
}
else
{
return(other.HasNext ? -1 : 0);
}
}
public virtual void PerformAfter(DbObject node)
{
}
public virtual void PerformBefore(DbObject node)
{
}
public override void PerformAfter(DbObject node)
{
PopKnownParent(node);
}
public override void PerformBefore(DbObject node)
{
PushParent(node);
}
