private void BuildSchemaInfo()
{
int fieldCount = this._reader.FieldCount;
string[] columnNameArray = new string[fieldCount];
for (int i = 0; i < fieldCount; i++)
{
columnNameArray[i] = this._reader.GetName(i);
}
ADP.BuildSchemaTableInfoTableNames(columnNameArray);
SchemaInfo[] infoArray = new SchemaInfo[fieldCount];
PropertyDescriptor[] properties = new PropertyDescriptor[this._reader.FieldCount];
for (int j = 0; j < infoArray.Length; j++)
{
SchemaInfo info = new SchemaInfo {
name = this._reader.GetName(j),
type = this._reader.GetFieldType(j),
typeName = this._reader.GetDataTypeName(j)
};
properties[j] = new DbColumnDescriptor(j, columnNameArray[j], info.type);
infoArray[j] = info;
}
this._schemaInfo = infoArray;
this._fieldNameLookup = new FieldNameLookup(this._reader, -1);
this._descriptors = new PropertyDescriptorCollection(properties);
}
internal DbDataRecord (SchemaInfo[] schema, object[] values, FieldNameLookup lookup)
{
this.schema = schema;
this.lookup = lookup;
this.values = values;
this.fieldCount = values.Length;
}
internal DataRecordInternal(SchemaInfo[] schemaInfo, object[] values, PropertyDescriptorCollection descriptors, FieldNameLookup fieldNameLookup)
{
this._schemaInfo = schemaInfo;
this._values = values;
this._propertyDescriptors = descriptors;
this._fieldNameLookup = fieldNameLookup;
}
private FieldNameLookup _fieldNameLookup; // MDAC 69015
// copy all runtime data information
internal DataRecordInternal(SchemaInfo[] schemaInfo, object[] values, PropertyDescriptorCollection descriptors, FieldNameLookup fieldNameLookup) {
Debug.Assert(null != schemaInfo, "invalid attempt to instantiate DataRecordInternal with null schema information");
Debug.Assert(null != values, "invalid attempt to instantiate DataRecordInternal with null value[]");
_schemaInfo = schemaInfo;
_values = values;
_propertyDescriptors = descriptors;
_fieldNameLookup = fieldNameLookup;
}
// copy all runtime data information
internal DataRecordInternal(SchemaInfo[] schemaInfo, object[] values, BasicFieldNameLookup fieldNameLookup)
{
Debug.Assert(null != schemaInfo, "invalid attempt to instantiate DataRecordInternal with null schema information");
Debug.Assert(null != values, "invalid attempt to instantiate DataRecordInternal with null value[]");
_schemaInfo = schemaInfo;
_values = values;
_fieldNameLookup = fieldNameLookup;
}
private static SchemaInfo[] LoadSchema (IDataReader reader)
{
int fieldCount = reader.FieldCount;
SchemaInfo[] schema = new SchemaInfo [fieldCount];
for(int i=0; i < fieldCount; i++) {
SchemaInfo columnSchema = new SchemaInfo ();
columnSchema.ColumnName = reader.GetName(i);
columnSchema.ColumnOrdinal = i;
columnSchema.DataTypeName = reader.GetDataTypeName (i);
columnSchema.FieldType = reader.GetFieldType (i);
schema [i] = columnSchema;
}
return schema;
}
private void BuildSchemaInfo()
{
int count = _reader.FieldCount;
string[] fieldnames = new string[count];
for (int i = 0; i < count; ++i)
{
fieldnames[i] = _reader.GetName(i);
}
ADP.BuildSchemaTableInfoTableNames(fieldnames);
SchemaInfo[] si = new SchemaInfo[count];
for (int i = 0; i < si.Length; i++)
{
SchemaInfo s = new SchemaInfo();
s.name = _reader.GetName(i);
s.type = _reader.GetFieldType(i);
s.typeName = _reader.GetDataTypeName(i);
si[i] = s;
}
_schemaInfo = si;
_fieldNameLookup = new FieldNameLookup(_reader, -1);
}
private void BuildSchemaInfo() {
int count = _reader.FieldCount;
string[] fieldnames = new string[count];
for (int i = 0; i < count; ++i) {
fieldnames[i] = _reader.GetName(i);
}
ADP.BuildSchemaTableInfoTableNames(fieldnames); // MDAC 71401
SchemaInfo[] si = new SchemaInfo[count];
PropertyDescriptor[] props = new PropertyDescriptor[_reader.FieldCount];
for (int i = 0; i < si.Length; i++) {
SchemaInfo s = new SchemaInfo();
s.name = _reader.GetName(i);
s.type = _reader.GetFieldType(i);
s.typeName = _reader.GetDataTypeName(i);
props[i] = new DbColumnDescriptor(i, fieldnames[i], s.type);
si[i] = s;
}
_schemaInfo = si;
_fieldNameLookup = new FieldNameLookup(_reader, -1); // MDAC 71470
_descriptors = new PropertyDescriptorCollection(props);
}
internal void SetSchemaInfo(SchemaInfo[] schemaInfo) {
Debug.Assert(null == _schemaInfo, "invalid attempt to override DataRecordInternal schema information");
_schemaInfo = schemaInfo;
}
// FIXME: this class should actually be reimplemented to be one
// of the derived classes of DbDataRecord, which should become
// almost abstract.
internal DbDataRecordImpl (SchemaInfo[] schema, object[] values)
{
this.schema = schema;
this.values = values;
this.fieldCount = values.Length;
}
public DbDataRecord (SchemaInfo[] schemaInfo, object[] values, PropertyDescriptorCollection descriptors, FieldNameLookup fieldNameLookup)
{
}
public void SetSchemaInfo (SchemaInfo[] schemaInfo)
{
throw new NotImplementedException ();
}
private void LoadSchema ()
{
schema = new SchemaInfo [fieldCount];
for(int i=0; i < fieldCount; i++) {
SchemaInfo columnSchema = new SchemaInfo ();
lookup.Add (reader.GetName(i));
columnSchema.ColumnName = reader.GetName(i);
columnSchema.ColumnOrdinal = i;
columnSchema.DataTypeName = reader.GetDataTypeName (i);
columnSchema.FieldType = reader.GetFieldType (i);
schema [i] = columnSchema;
}
}
internal void SetSchemaInfo(SchemaInfo[] schemaInfo)
{
this._schemaInfo = schemaInfo;
}
