public static void Serialize(JoinPart joinPart, BinaryWriter writer)
{
writer.Write((byte)joinPart.JoinType);
if (joinPart.SubQuery != null) {
writer.Write((byte)2);
SqlExpression.Serialize(joinPart.SubQuery, writer);
} else {
writer.Write((byte)1);
ObjectName.Serialize(joinPart.TableName, writer);
}
SqlExpression.Serialize(joinPart.OnExpression, writer);
}
object IPreparable.Prepare(IExpressionPreparer preparer)
{
var clause = new FromClause();
// Prepare expressions in the JoiningSet first
int size = joinParts.Count;
for (int i = 0; i < size; ++i) {
var part = joinParts[i];
var exp = part.OnExpression;
if (exp != null) {
exp = exp.Prepare(preparer);
if (part.SubQuery != null) {
part = new JoinPart(part.JoinType, part.SubQuery, exp);
} else {
part = new JoinPart(part.JoinType, part.TableName, exp);
}
}
clause.joinParts.Add(part);
}
// Prepare the StatementTree sub-queries in the from tables
for (int i = 0; i < fromTables.Count; i++) {
var table = fromTables[i];
var preparedTable = (FromTable) ((IPreparable) table).Prepare(preparer);
var tableAlias = tableNames[i];
clause.tableNames.Insert(i, tableAlias);
clause.fromTables.Insert(i, preparedTable);
}
return clause;
}
public static void MapComponentWithPrefix <T, TComponent>(this JoinPart <T> map,
Expression <Func <T, TComponent> > f)
{
map.Component(f).ColumnPrefix(MemberUtility.GetMemberInfo(f).Name);
}
