v4.7.0

Changes from v4.6.0:

• Add table transform() method to allow lightweight application of custom transformations.
• Add agg() helper method as a shorthand for computing a single aggregate value.
• Add default 100 row limit to toHTML() and toMarkdown(). (#175)
• Update to toHTML() to align column header similarly to the column body. (#176)

v4.6.0

Changes from v4.5.0:

• Add fromFixed() and loadFixed() methods to read fixed-width format text files.
• Add skip and comment options for fromCSV(). (#165)
• Add names option to fromCSV() to name columns in header-less files.
• Add op.object() function.
• Add op.row_object() function.
• Add object/map input support to table assign() method.
• Revert Apache Arrow to v3.0.0 until build errors caused by v4.0.0 are resolved. (#166)

v4.5.0

Changes from v4.4.0:

• Add decimal separator option to fromCSV(). (#160)
• Add table object() method to extract individual row objects.
• Add table values() method to return an iterator over column values, respecting filter and orderby criteria.
• Add table array() method to return a column value array, respecting filter and orderby criteria.
• Add more detailed messages for variable and function lookup errors.
• Fix error message for when no window functions are allowed.
• Refactor expression parser error message handler.
• Deprecate table columnArray() method in favor of table array() method.

v4.4.0

Changes from v4.3.0:

• Add array constructor argument to table columnArray() method.
• Update dependencies, including Apache Arrow v4. (thanks @domoritz!)

v4.3.0

Changes from v4.2.0:

• Add rename() verb.

v4.2.0

Changes from v4.1.4:

• Add step option to aq.bin helper function.
• Add step argument to op.bins aggregate function.
• Fix op functions to properly handle null-valued inputs.
• Add test cases for op functions.

v4.1.4

Changes from v4.1.3:

• Fix hash join lookup table regression.

v4.1.3

Changes from v4.1.2:

• Add hash-join support to optimize semijoin() and antijoin().
• Refactor join utilities.

v4.1.2

Changes from v4.1.1:

• Fix ordered aggregate scan. (#133)

v4.1.1

Changes from v4.1.0:

• Update aggregate calculations to be sensitive to orderby() criteria.