// Get the data //
public static DataSet GetData(Workspace Enviro, HScriptParser.Full_table_nameContext context)
{
// Get the name //
string t_name = context.table_name().IDENTIFIER().GetText();
// Global context //
if (context.K_GLOBAL() != null)
{
if (Enviro.ChunkHeap.Exists(t_name))
return Enviro.ChunkHeap[t_name];
throw new HScriptCompileException("Global chunk '{0}' does not exist", t_name);
}
// Table context //
if (context.database_name() != null)
{
string d_base = context.database_name().IDENTIFIER().GetText();
if (Enviro.Exists(d_base, t_name))
return Enviro.GetStaticTable(d_base, t_name);
throw new HScriptCompileException("Table '{0}' does not exist", t_name);
}
throw new HScriptCompileException("Data '{0}' does not exist in memory or on disk", t_name);
}
public static DataSet GetData(Workspace Enviro, FNodeSet Nodes, HScriptParser.Return_actionContext context)
{
// Get the table name //
string name = context.full_table_name().table_name().IDENTIFIER().GetText();
string db =
(context.full_table_name().database_name() == null)
? "global"
: context.full_table_name().database_name().GetText();
// Figure out if we need to append //
bool appendto =
(context.K_INSERT() != null)
? true
: false;
// Global -- Append //
if (context.full_table_name().database_name() == null && appendto)
{
if (Enviro.ChunkHeap.Exists(name))
return Enviro.ChunkHeap[name];
throw new HScriptCompileException(string.Format("Chunk '{0}' does not exist", name));
}
// Static -- Append //
if (appendto)
{
string fullname = db + "." + name;
if (Enviro.Exists(db, name))
return Enviro.GetStaticTable(db, name);
throw new HScriptCompileException(string.Format("Table '{0}' does not exist", fullname));
}
// Global -- Create New //
if (context.full_table_name().database_name() == null)
{
RecordSet data = new RecordSet(Nodes.Columns);
Enviro.ChunkHeap.Reallocate(name, data);
return data;
}
// Static -- Create New //
string dir = Enviro.Connections[db];
Table t = new Table(dir, name, Nodes.Columns);
return t;
}