Release v2.1.0

• Support PostgreSQL 16.0

Bug fixes:

• Fix cannot delete when time series column defined as timestamptz type

Release v2.0.0

• Support PosgreSQL 15.0
• Support InfluxDB v1.x: with pgspider/influxdb-cxx client.
• Support InfluxDB v2.x: with pgspider/influxdb-cxx client via InfluxDB v1 compatibility API.

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Bug fixes:

• Fix Error parsing query influxdb_fdw with boolean data type
• Fix limit-orderby test suite crash on debug mode
• Fix cannot insert timestamp value into field column

Release v1.2.0

• Support schemaless feature

Release v1.1.1

• Support PostgreSQL 14.0

Release v1.1.0

• Support bulk INSERT by using batch_size option for PostgreSQL 14
• Support GROUP By times(), fill() feature of InfluxDB
• Fix memory leaking

Release v1.0.0

Support INSERT/DELETE features
Support add more functions to pushdown
Support LIMIT OFFSET clause pushdown
Support pushdown scalar operator ANY/ALL (ARRAY)
Refactored tests

Release v0.3.0

Support PostgreSQL 13.0
Support function pushdown in the target list (for PGSpider)
Support new "tags" option for specifing tag keys
Bug fixes

• Fix influxdb not support compare time column with OR
• Fix influxdb not support IN/NOT IN
• Fix invalid input syntax for type integer
• Fix error GROUP BY only works with time and tag dimensions
• Fix time argument and having clause
• Fix influxdb does not support DISTINCT within aggregate except count()
• Fix error parsing with LIKE operator
• Fix InfluxDB return 0 rows when related tag key operation
• fix build on macOS
• fix WHERE string comparision other than = and != operators
• fix mix usage of aggregate function and arithmetic

Release v0.2.0

• PostgreSQL 12 Support
• GROUP BY push down Support (#2)
• column_name option Support
• Bug fixes

Release 0.1.0

This first release supports PostgreSQL 9.6, 10 and 11.

Features

• WHERE clauses including timestamp, interval are pushed down
• Simple aggregation without GROUP BY are pushed down

Limitations

• INSERT, UPDATE and DELETE are not supported.
• There are some limitations coming from data model and query language of InfluxDB. Please see README.md for detail.