#endregion // Fields
+ const int COLUMN_NAME_IDX = 0;
+ const int COLUMN_ORDINAL_IDX = 1;
+ const int COLUMN_SIZE_IDX = 2;
+ const int NUMERIC_PRECISION_IDX = 3;
+ const int NUMERIC_SCALE_IDX = 4;
+ const int IS_UNIQUE_IDX = 5;
+ const int IS_KEY_IDX = 6;
+ const int BASE_SERVER_NAME_IDX = 7;
+ const int BASE_CATALOG_NAME_IDX = 8;
+ const int BASE_COLUMN_NAME_IDX = 9;
+ const int BASE_SCHEMA_NAME_IDX = 10;
+ const int BASE_TABLE_NAME_IDX = 11;
+ const int DATA_TYPE_IDX = 12;
+ const int ALLOW_DBNULL_IDX = 13;
+ const int PROVIDER_TYPE_IDX = 14;
+ const int IS_ALIASED_IDX = 15;
+ const int IS_EXPRESSION_IDX = 16;
+ const int IS_IDENTITY_IDX = 17;
+ const int IS_AUTO_INCREMENT_IDX = 18;
+ const int IS_ROW_VERSION_IDX = 19;
+ const int IS_HIDDEN_IDX = 20;
+ const int IS_LONG_IDX = 21;
+ const int IS_READ_ONLY_IDX = 22;
+
#region Constructors
internal SqlDataReader (SqlCommand command)
fieldCount = 0;
dataTypeNames = new ArrayList (command.Tds.Columns.Count);
- DataColumnCollection cols = schemaTable.Columns;
- int columnNameIdx = cols.IndexOf ("ColumnName");
- int columnOrdinalIdx = cols.IndexOf ("ColumnOrdinal");
- int isUniqueIdx = cols.IndexOf ("IsUnique");
- int isAutoIncrementIdx = cols.IndexOf ("IsAutoIncrement");
- int isRowVersionIdx = cols.IndexOf ("IsRowVersion");
- int isHiddenIdx = cols.IndexOf ("IsHidden");
- int isIdentifyIdx = cols.IndexOf ("IsIdentity");
- int columnSizeIdx = cols.IndexOf ("ColumnSize");
- int numericPrecisionIdx = cols.IndexOf ("NumericPrecision");
- int numerocScaleIdx = cols.IndexOf ("NumericScale");
- int isKeyIdx = cols.IndexOf ("IsKey");
- int isAliasedIdx = cols.IndexOf ("IsAliased");
- int isExpressionIdx = cols.IndexOf ("IsExpression");
- int isReadOnlyIdx = cols.IndexOf ("IsReadOnly");
- int baseServerNameIdx = cols.IndexOf ("BaseServerName");
- int baseCatalogNameIdx = cols.IndexOf ("BaseCatalogName");
- int baseColumnNameIdx = cols.IndexOf ("BaseColumnName");
- int baseSchemaNameIdx = cols.IndexOf ("BaseSchemaName");
- int baseTableNameIdx = cols.IndexOf ("BaseTableName");
- int allowDBNullIdx = cols.IndexOf ("AllowDBNull");
foreach (TdsDataColumn schema in command.Tds.Columns) {
DataRow row = schemaTable.NewRow ();
#if NET_2_0
- row [columnNameIdx] = GetSchemaValue (schema.ColumnName);
- row [columnOrdinalIdx] = GetSchemaValue (schema.ColumnOrdinal);
- row [isUniqueIdx] = GetSchemaValue (schema.IsUnique);
- row [isAutoIncrementIdx] = GetSchemaValue (schema.IsAutoIncrement);
- row [isRowVersionIdx] = GetSchemaValue (schema.IsRowVersion);
- row [isHiddenIdx] = GetSchemaValue (schema.IsHidden);
- row [isIdentifyIdx] = GetSchemaValue (schema.IsIdentity);
- row [columnSizeIdx] = GetSchemaValue (schema.ColumnSize);
- row [numericPrecisionIdx] = GetSchemaValue (schema.NumericPrecision);
- row [numerocScaleIdx] = GetSchemaValue (schema.NumericScale);
- row [isKeyIdx] = GetSchemaValue (schema.IsKey);
- row [isAliasedIdx] = GetSchemaValue (schema.IsAliased);
- row [isExpressionIdx] = GetSchemaValue (schema.IsExpression);
- row [isReadOnlyIdx] = GetSchemaValue (schema.IsReadOnly);
- row [baseServerNameIdx] = GetSchemaValue (schema.BaseServerName);
- row [baseCatalogNameIdx] = GetSchemaValue (schema.BaseCatalogName);
- row [baseColumnNameIdx] = GetSchemaValue (schema.BaseColumnName);
- row [baseSchemaNameIdx] = GetSchemaValue (schema.BaseSchemaName);
- row [baseTableNameIdx] = GetSchemaValue (schema.BaseTableName);
- row [allowDBNullIdx] = GetSchemaValue (schema.AllowDBNull);
+ row [COLUMN_NAME_IDX] = GetSchemaValue (schema.ColumnName);
+ row [COLUMN_ORDINAL_IDX] = GetSchemaValue (schema.ColumnOrdinal);
+ row [IS_UNIQUE_IDX] = GetSchemaValue (schema.IsUnique);
+ row [IS_AUTO_INCREMENT_IDX] = GetSchemaValue (schema.IsAutoIncrement);
+ row [IS_ROW_VERSION_IDX] = GetSchemaValue (schema.IsRowVersion);
+ row [IS_HIDDEN_IDX] = GetSchemaValue (schema.IsHidden);
+ row [IS_IDENTITY_IDX] = GetSchemaValue (schema.IsIdentity);
+ row [COLUMN_SIZE_IDX] = GetSchemaValue (schema.ColumnSize);
+ row [NUMERIC_PRECISION_IDX] = GetSchemaValue (schema.NumericPrecision);
+ row [NUMERIC_SCALE_IDX] = GetSchemaValue (schema.NumericScale);
+ row [IS_KEY_IDX] = GetSchemaValue (schema.IsKey);
+ row [IS_ALIASED_IDX] = GetSchemaValue (schema.IsAliased);
+ row [IS_EXPRESSION_IDX] = GetSchemaValue (schema.IsExpression);
+ row [IS_READ_ONLY_IDX] = GetSchemaValue (schema.IsReadOnly);
+ row [BASE_SERVER_NAME_IDX] = GetSchemaValue (schema.BaseServerName);
+ row [BASE_CATALOG_NAME_IDX] = GetSchemaValue (schema.BaseCatalogName);
+ row [BASE_COLUMN_NAME_IDX] = GetSchemaValue (schema.BaseColumnName);
+ row [BASE_SCHEMA_NAME_IDX] = GetSchemaValue (schema.BaseSchemaName);
+ row [BASE_TABLE_NAME_IDX] = GetSchemaValue (schema.BaseTableName);
+ row [ALLOW_DBNULL_IDX] = GetSchemaValue (schema.AllowDBNull);
#else
row ["ColumnName"] = GetSchemaValue (schema, "ColumnName");
row ["ColumnOrdinal"] = GetSchemaValue (schema, "ColumnOrdinal");
row ["BaseTableName"] = GetSchemaValue (schema, "BaseTableName");
row ["AllowDBNull"] = GetSchemaValue (schema, "AllowDBNull");
#endif
-
// We don't always get the base column name.
- if (row ["BaseColumnName"] == DBNull.Value)
- row ["BaseColumnName"] = row ["ColumnName"];
+ if (row [BASE_COLUMN_NAME_IDX] == DBNull.Value)
+ row [BASE_COLUMN_NAME_IDX] = row [COLUMN_NAME_IDX];
int csize;
TdsColumnType ctype;
switch (csize) {
case 1:
dataTypeNames.Add ("tinyint");
- row ["ProviderType"] = (int) SqlDbType.TinyInt;
- row ["DataType"] = typeof (byte);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.TinyInt;
+ row [DATA_TYPE_IDX] = typeof (byte);
+ row [IS_LONG_IDX] = false;
break;
case 2:
dataTypeNames.Add ("smallint");
- row ["ProviderType"] = (int) SqlDbType.SmallInt;
- row ["DataType"] = typeof (short);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.SmallInt;
+ row [DATA_TYPE_IDX] = typeof (short);
+ row [IS_LONG_IDX] = false;
break;
case 4:
dataTypeNames.Add ("int");
- row ["ProviderType"] = (int) SqlDbType.Int;
- row ["DataType"] = typeof (int);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Int;
+ row [DATA_TYPE_IDX] = typeof (int);
+ row [IS_LONG_IDX] = false;
break;
case 8:
dataTypeNames.Add ("bigint");
- row ["ProviderType"] = (int) SqlDbType.BigInt;
- row ["DataType"] = typeof (long);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.BigInt;
+ row [DATA_TYPE_IDX] = typeof (long);
+ row [IS_LONG_IDX] = false;
break;
}
break;
switch (csize) {
case 4:
dataTypeNames.Add ("real");
- row ["ProviderType"] = (int) SqlDbType.Real;
- row ["DataType"] = typeof (float);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Real;
+ row [DATA_TYPE_IDX] = typeof (float);
+ row [IS_LONG_IDX] = false;
break;
case 8:
dataTypeNames.Add ("float");
- row ["ProviderType"] = (int) SqlDbType.Float;
- row ["DataType"] = typeof (double);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Float;
+ row [DATA_TYPE_IDX] = typeof (double);
+ row [IS_LONG_IDX] = false;
break;
}
break;
case TdsColumnType.Image :
dataTypeNames.Add ("image");
- row ["ProviderType"] = (int) SqlDbType.Image;
- row ["DataType"] = typeof (byte[]);
- row ["IsLong"] = true;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Image;
+ row [DATA_TYPE_IDX] = typeof (byte[]);
+ row [IS_LONG_IDX] = true;
break;
case TdsColumnType.Text :
dataTypeNames.Add ("text");
- row ["ProviderType"] = (int) SqlDbType.Text;
- row ["DataType"] = typeof (string);
- row ["IsLong"] = true;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Text;
+ row [DATA_TYPE_IDX] = typeof (string);
+ row [IS_LONG_IDX] = true;
break;
case TdsColumnType.UniqueIdentifier :
dataTypeNames.Add ("uniqueidentifier");
- row ["ProviderType"] = (int) SqlDbType.UniqueIdentifier;
- row ["DataType"] = typeof (Guid);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.UniqueIdentifier;
+ row [DATA_TYPE_IDX] = typeof (Guid);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.VarBinary :
case TdsColumnType.BigVarBinary :
dataTypeNames.Add ("varbinary");
- row ["ProviderType"] = (int) SqlDbType.VarBinary;
- row ["DataType"] = typeof (byte[]);
- row ["IsLong"] = true;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.VarBinary;
+ row [DATA_TYPE_IDX] = typeof (byte[]);
+ row [IS_LONG_IDX] = true;
break;
case TdsColumnType.VarChar :
case TdsColumnType.BigVarChar :
dataTypeNames.Add ("varchar");
- row ["ProviderType"] = (int) SqlDbType.VarChar;
- row ["DataType"] = typeof (string);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.VarChar;
+ row [DATA_TYPE_IDX] = typeof (string);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.Binary :
case TdsColumnType.BigBinary :
dataTypeNames.Add ("binary");
- row ["ProviderType"] = (int) SqlDbType.Binary;
- row ["DataType"] = typeof (byte[]);
- row ["IsLong"] = true;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Binary;
+ row [DATA_TYPE_IDX] = typeof (byte[]);
+ row [IS_LONG_IDX] = true;
break;
case TdsColumnType.Char :
case TdsColumnType.BigChar :
dataTypeNames.Add ("char");
- row ["ProviderType"] = (int) SqlDbType.Char;
- row ["DataType"] = typeof (string);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Char;
+ row [DATA_TYPE_IDX] = typeof (string);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.Bit :
case TdsColumnType.BitN :
dataTypeNames.Add ("bit");
- row ["ProviderType"] = (int) SqlDbType.Bit;
- row ["DataType"] = typeof (bool);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Bit;
+ row [DATA_TYPE_IDX] = typeof (bool);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.DateTime4 :
case TdsColumnType.DateTime :
case TdsColumnType.DateTimeN :
dataTypeNames.Add ("datetime");
- row ["ProviderType"] = (int) SqlDbType.DateTime;
- row ["DataType"] = typeof (DateTime);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.DateTime;
+ row [DATA_TYPE_IDX] = typeof (DateTime);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.Money :
case TdsColumnType.MoneyN :
case TdsColumnType.Money4 :
dataTypeNames.Add ("money");
- row ["ProviderType"] = (int) SqlDbType.Money;
- row ["DataType"] = typeof (decimal);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Money;
+ row [DATA_TYPE_IDX] = typeof (decimal);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.NText :
dataTypeNames.Add ("ntext");
- row ["ProviderType"] = (int) SqlDbType.NText;
- row ["DataType"] = typeof (string);
- row ["IsLong"] = true;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.NText;
+ row [DATA_TYPE_IDX] = typeof (string);
+ row [IS_LONG_IDX] = true;
break;
case TdsColumnType.NVarChar :
dataTypeNames.Add ("nvarchar");
- row ["ProviderType"] = (int) SqlDbType.NVarChar;
- row ["DataType"] = typeof (string);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.NVarChar;
+ row [DATA_TYPE_IDX] = typeof (string);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.Decimal :
case TdsColumnType.Numeric :
dataTypeNames.Add ("decimal");
- row ["ProviderType"] = (int) SqlDbType.Decimal;
- row ["DataType"] = typeof (decimal);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Decimal;
+ row [DATA_TYPE_IDX] = typeof (decimal);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.NChar :
dataTypeNames.Add ("nchar");
- row ["ProviderType"] = (int) SqlDbType.NChar;
- row ["DataType"] = typeof (string);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.NChar;
+ row [DATA_TYPE_IDX] = typeof (string);
+ row [IS_LONG_IDX] = false;
break;
case TdsColumnType.SmallMoney :
dataTypeNames.Add ("smallmoney");
- row ["ProviderType"] = (int) SqlDbType.SmallMoney;
- row ["DataType"] = typeof (decimal);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.SmallMoney;
+ row [DATA_TYPE_IDX] = typeof (decimal);
+ row [IS_LONG_IDX] = false;
break;
default :
dataTypeNames.Add ("variant");
- row ["ProviderType"] = (int) SqlDbType.Variant;
- row ["DataType"] = typeof (object);
- row ["IsLong"] = false;
+ row [PROVIDER_TYPE_IDX] = (int) SqlDbType.Variant;
+ row [DATA_TYPE_IDX] = typeof (object);
+ row [IS_LONG_IDX] = false;
break;
}
#if NET_2_0
- if ((bool)row ["IsHidden"] == false)
+ if ((bool)row [IS_HIDDEN_IDX] == false)
visibleFieldCount += 1;
#endif
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