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NEWS.md

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7.7: Jan 06, 2023

  • Fix printing of values around 1e33 on i386.

7.6: Jan 04, 2023

  • Import definitions.units September 2022 Version 3.15.
  • Add R ronna, Q quetta, r ronto, Q quecto, Ri robi, Qi quebi prefixes.

7.4: May 20, 2021 - World Metrology Day

  • Fix hash table creation on PostgreSQL 14.

7.3: Oct 19, 2020

  • Packaging updates.

7.2: May 20, 2019 - World Metrology Day

  • Rewire PostgreSQL 12's new extra_float_digits=1 default internally to 0 to keep nice, short decimal representations.

7.1: Dec 3, 2018

  • Import definitions.unit 2.44 from units 2.18 with 36 new units. When upgrading from a previous install, use SELECT unit_load(); to import.
  • Adjust powers.h to round "1" down by one ULP.

7.0: Sep 28, 2018

  • Format time using commonyears + days + hh:mm:ss.sss s.
  • Avoid using Gs for Gigaseconds, that's actually gauss.
  • Modify @(unit, text) operator to return text instead of cstring.
  • Import definitions.units from GNU units 2.17 with 13 new units.
  • Add π to known units.
  • Remove bison 2 compat mode, but keep pregenerated files for jessie and trusty.
  • Support send/receive via the binary protocol.
  • Support Infinity and NaN.
  • Add strict comparison operators that error out when dimensions of arguments do not match: << <<= == <<>> >>= >>.
  • Add range type over units: unitrange.

6.0: Mar 7, 2018

  • Add @@ operator: similar to @, but returns the value of the resulting unit as double precision number.
  • Fix parsing of addition/subtraction in unit values.
  • Grant SELECT on unit prefixes and units table to public.
  • Add unit_load() function to load/update the data tables.

5.0: Jan 10, 2018

  • Add rounding function.
  • Import definitions.units from GNU units 2.16 with 70 new units.

4.0: Jul 7, 2017

  • Support exponents written using Unicode superscript characters.
  • Report 22P02/invalid_text_representation on invalid unit input.
  • Fix crash when unit_reset() runs into an OOM error. Patch by Andreas Seltenreich, thanks!
  • Change @ operator signature to (unit, text).

3.0: Mar 22, 2017

  • Support defining new units at runtime.
  • Import unit definitions from GNU units.
  • Add sqrt() and cbrt() functions.
  • Extension is not relocatable after installation anymore.
  • Bump extension version to 3.
  • Bump minimum supported PostgreSQL version to 9.5 so we can use hash_create(HASH_BLOBS).
  • Bump license to GPL-3+ to match GNU units' license.

2.0: Jan 9, 2017

  • Support IEC binary prefixes for byte.
  • Support United States customary units: in, ft, yd, mi, oz, lb.
  • Add variance and stddev aggregates

1.1: Oct 31, 2016

  • Use float8out_internal to format floats on output.

v1.0: Sep 22, 2016

  • Initial release