Version 1.2.0
- Added support for joining tables in anonymizing queries.
 
- Added support for Windows.
 
- Added support for 
date_trunc and extract(... from ...).
 
Version 1.1.0
- Added support for simple pre-anonymization 
WHERE clauses.
 
- Added 
sum and avg aggregrators.
 
- Added 
*_noise variants of aggregrators.
 
- Added 
count_histogram aggregrator.
 
- Allow more metadata discovery queries.
 
- Various tweaks and fixes.
 
Version 1.0.3
- Reject unsupported column types during AID labeling.
 
Version 1.0.2
- Allow casts between 
int4 and int8.
 
- Allow more metadata discovery queries.
 
- Allow more statement types.
 
- Fixed handling of 
IN (subquery) expressions.
 
- Added analyst guide section for allowed type conversions.
 
- Small fixes to docs.
 
- Added support for parameterized queries.
 
- Queries selecting or grouping by non-generalized AID columns are now rejected.
 
Version 1.0.1
- Fixed some docs links.
 
- Fixed setup script version.
 
Version 1.0.0
- Vastly expanded docs.
 
- Fixed a noise generation bug.
 
- Salt is randomly generated per-database during extension setup.
 
- Simplified and improved utility methods.
 
- The low count filter is not seeded with bucket data anymore.
 
- Extension now skips non-associated databases when loaded globally.
 
- Fixed handling of post-anonymization conditions.
 
Version 0.0.4
- Minor updates to docs and config terminology.
 
Version 0.0.3
- Tweaked README file for better rendering on PGXN.