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RELEASE_NOTES.md

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4.0.1 (2018-10-21)

  • Introduce SourceLink support

4.0.0 (2018-03-24)

  • Support .NET Framework 2.0+ and .NET Standard 1.3+
  • Use DateTime.TryParseExact if needed (@milcondoin)
  • Override column capability (@spintronic)
  • Fix handling of duplicate headers (@jonreis)
  • Reduced exception overhead (@spintronic)
  • Added NullBytesRemoval functionality to reduce memory usage and runtime (@andrewpsy)
  • Use StringBuilder instead of string concatenation to speed up reading of huge cell (@andrewpsy)
  • Fixed: Exception in GetFieldType() when hasHeaders is false (@molopony)
  • Fixed: Exception when reading data and hasHeaders is false (@molopony)
  • Fixed: ArgumentOutOfRangeException when hasHeaders is false (@molopony)

3.9.1 (2016-04-09)

  • Added max field length for quoted fields (@criteo)
  • Strengthen Debug.Assert condition in GetSchemaWithoutHeaders (@joshgo)
  • Added test for quoted fields not throwing an exception (@joshgo)
  • Added HasHeader function to allow checking if a header existing without throwing exception (@kiran94)

3.9 (2015-06-20)

  • Completely replaced use of _fieldHeaders internally with Columns
  • Fixed IDataReader.GetSchemaTable to return Column.Type rather than always saying string
  • Introduced UseColumnDefault to allow Column.Default value to be returned when a column doesn't exist in the source data.
  • Changing handling of extra fields to respect DefaultParseErrorAction (thanks to @gap777)
  • Added support for null values and some tests (thanks to @fretje)

3.8.3 (2015-03-21)

  • Can now handle binary and varbinary columsn (thanks to @fretje)

3.8.2 (2014-02-27)

  • Adding Column metadata so we can use with SqlBulkCopy.

3.8.1 (2011-11-10)

  • Fixed bug with missing field handling.
  • Converted solution to VS 2010 (still targets .NET 2.0).

3.8 (2011-07-05)

  • Empty header names in CSV files are now replaced by a default name that can be customized via the new DefaultHeaderName property (by default, it is "Column" + column index).

3.7.2 (2011-05-17)

  • Fixed a bug when handling missing fields.
  • Strongly named the main assembly.

3.7.1 (2010-11-03)

  • Fixed a bug when handling whitespaces at the end of a file.

3.7 (2010-03-30)

  • Breaking: Added more field value trimming options.

3.6.2 (2008-10-09)

  • Fixed a bug when calling MoveTo in a particular action sequence;
  • Fixed a bug when extra fields are present in a multiline record;
  • Fixed a bug when there is a parse error while initializing.

3.6.1 (2008-07-16)

  • Fixed a bug with RecordEnumerator caused by reusing the same array over each iteration.

3.6 (2008-07-09)

  • Added a web demo project;
  • Fixed a bug when loading CachedCsvReader into a DataTable and the CSV has no header.

3.5 (2007-11-28)

  • Fixed a bug when initializing CachedCsvReader without having read a record first.

3.4 (2007-10-23)

  • Fixed a bug with the IDataRecord implementation where GetValue/GetValues should return DBNull.Value when the field value is empty or null;
  • Fixed a bug where no exception is raised if a delimiter is not present after a non final quoted field;
  • Fixed a bug when trimming unquoted fields and whitespaces span over two buffers.

3.3 (2007-01-14)

  • Added the option to turn off skipping empty lines via the property SkipEmptyLines (on by default);
  • Fixed a bug with the handling of a delimiter at the end of a record preceded by a quoted field.

3.2 (2006-12-11)

  • Slightly modified the way missing fields are handled;
  • Fixed a bug where the call to CsvReader.ReadNextRecord() would return false for a CSV file containing only one line ending with a new line character and no header.

3.1.2 (2006-08-06)

  • Updated dispose pattern;
  • Fixed a bug when SupportsMultiline is false;
  • Fixed a bug where the IDataReader schema column "DataType" returned DbType.String instead of typeof(string).

3.1.1 (2006-07-25)

  • Added a SupportsMultiline property to help boost performance when multi-line support is not needed;
  • Added two new constructors to support common scenarios;
  • Added support for when the base stream returns a length of 0;
  • Fixed a bug when the FieldCount property is accessed before having read any record;
  • Fixed a bug when the delimiter is a whitespace;
  • Fixed a bug in ReadNextRecord(...) by eliminating its recursive behavior when initializing headers;
  • Fixed a bug when EOF is reached when reading the first record;
  • Fixed a bug where no exception would be thrown if the reader has reached EOF and a field is missing.

3.0 (2006-05-15)

  • Introduced equal support for .NET 1.1 and .NET 2.0;
  • Added extensive support for malformed CSV files;
  • Added complete support for data-binding;
  • Made available the current raw data;
  • Field headers are now accessed via an array (breaking change);
  • Made field headers case insensitive (thanks to Marco Dissel for the suggestion);
  • Relaxed restrictions when the reader has been disposed;
  • CsvReader supports 2^63 records;
  • Added more test coverage;
  • Upgraded to .NET 2.0 release version;
  • Fixed an issue when accessing certain properties without having read any data (notably FieldHeaders).

2.0 (2005-08-10)

  • Ported code to .NET 2.0 (July 2005 CTP);
  • Thoroughly debugged via extensive unit testing (special thanks to shriop);
  • Improved speed (now 15 times faster than OLEDB);
  • Consumes half the memory than version 1.0;
  • Can specify a custom buffer size;
  • Full Unicode support;
  • Auto-detects line ending, be it \r, \n, or \r\n;
  • Better exception handling;
  • Supports the "field1\rfield2\rfield3\n" pattern (used by Unix);
  • Parsing code completely refactored, resulting in much cleaner code.

1.1 (2005-01-15)

  • 1.1: Added support for multi-line fields.

1.0 (2005-01-09)

  • 1.0: First release.