internal CubridDataReader(CubridCommand stmt, int handle, int count, ColumnMetaData[] columnInfos)
{
this.stmt = stmt;
this.con = (CubridConnection) stmt.Connection;
this.handle = handle;
resultCount = count;
this.columnMetaData = columnInfos;
current = 0;
resultTuple = new ResultTuple(columnInfos.Length);
}
internal ColumnMetaData[] ReadColumnInfo(int count)
{
ColumnMetaData[] infoArray = new ColumnMetaData[count];
for (int i = 0; i < count; i++)
{
ColumnMetaData info = new ColumnMetaData();
info.Type = (CubridDataType)ReadByte();
info.Scale = ReadShort();
info.Precision = ReadInt();
info.Name = ReadString(ReadInt(), Encoding.ASCII);
info.RealName = ReadString(ReadInt(), Encoding.ASCII);
info.Table = ReadString(ReadInt(), Encoding.ASCII);
info.IsNull = (ReadByte() == 0);
Debug.WriteLine(info);
infoArray[i] = info;
}
return(infoArray);
}
internal void ReadResultTuple(ResultTuple tuple, ColumnMetaData[] columnInfos, CubridStatementype stmtType, CubridConnection con)
{
tuple.Index = ReadInt();
tuple.Oid = ReadOid();
for (int j = 0; j < columnInfos.Length; j++)
{
int size = ReadInt();
object val;
if (size <= 0)
{
val = null;
}
else
{
CubridDataType type = CubridDataType.Null;
if (stmtType == CubridStatementype.Call
|| stmtType == CubridStatementype.Evaluate
|| stmtType == CubridStatementype.CallStoredProcedure
|| columnInfos[j].Type == CubridDataType.Null)
{
type = (CubridDataType)ReadByte();
size--;
}
else
{
type = columnInfos[j].Type;
}
val = ReadValue(j, type, size, con);
}
tuple[j] = val;
tuple[columnInfos[j].Name] = val;
}
Debug.WriteLine(tuple);
}
internal ColumnMetaData[] ReadColumnInfo(int count)
{
ColumnMetaData[] infoArray = new ColumnMetaData[count];
for (int i = 0; i < count; i++)
{
ColumnMetaData info = new ColumnMetaData();
info.Type = (CubridDataType)ReadByte();
info.Scale = ReadShort();
info.Precision = ReadInt();
info.Name = ReadString(ReadInt(), Encoding.ASCII);
info.RealName = ReadString(ReadInt(), Encoding.ASCII);
info.Table = ReadString(ReadInt(), Encoding.ASCII);
info.IsNull = (ReadByte() == 0);
Debug.WriteLine(info);
infoArray[i] = info;
}
return infoArray;
}