2014-06-26 version 0.4.7:

* Fixed a problem where multi-line queries don't run correctly


2014-06-25 version 0.4.6:

* Supports python-2.6 and CentOS 6 (@wyukawa++)
* Ignores "invalid session state" error which was causing exception before
* Ignores BEGIN and COMMIT commands which were causing exception before
* Fixed error handling with protocol version 2 to send message back to clients


2014-06-11 version 0.4.5:

* Added prestogres_trust auth method
* Added support for VARBINARY type introduced by Presto 0.69 by converting it
  to bytea type
* Added support for date, time and timestamp types with and without time zone
* Getting table metadata ignores schema, table and column names longer than 63
  (NAMEDATALEN - 1) characters which cause an error in PostgreSQL


2014-05-12 version 0.4.4:

* Send session variable 'timezone' to Presto using X-Presto-Time-Zone HTTP
  header introduced by Presto 0.66 so that Presto uses the same time zone
  setting with PostgreSQL.


2014-04-22 version 0.4.3:

* Updated default parameters related to connections so that pgpool-II can
  always acquire a connection to cancel a running query.


2014-03-19 version 0.4.2:

* Send queries to PostgreSQL if they most likely cause parse erorr because
  Presto doesn't return appropriate error code (42601 SYNTAX ERROR).
* Cast Presto query results to PostgreSQL types explicitly when it inserts
  themn to a temporary table to not cause "value too long for type character
  varying(255)" exceptions


2014-03-05 version 0.4.1:

* Send queries to Presto if they include Presto's SQL syntax extension
* Fixed build scripts


2014-03-05 version 0.4.0:

* Preserve OID of tables when clients SELECT from system catalogs
* Increased maximum rewritten query length to 32768 bytes
* Fixed protocol version v2 handling
* Fixed 'too long error message' errors
* Fixed build scripts
* Add "LIMIT 1000" to "SELECT * FROM table" queries automatically
  (ad-hoc fix for Tableau)


2014-02-07 version 0.3.0:

* Fixed system catalog queries to support multiple schemas
* Removed presto_schema parameter from pgpool.conf
* Use connecting database name as the default schema name
* Updated type mapping to map varchar type of Presto to varchar(100)
* Implemented query cache for system catalog queries
* Improved prestogres-setup command to not listen on TCP socket
* Improved prestogres-setup command to support -P option
* Fixed build scripts to work with bundler
* Fixed build scripts to work with RubyGems >= 1.8.26
* Fixed "rake install" task


2014-01-24 version 0.2.0:

* Authentication mechanisms support pg_database and pg_user options to
  overwrite connecting PostgreSQL database and role name
* Forward error message from PostgreSQL to clients instead of killing the
  session so that clients can know the reason
* Reject 'P' (Parse) command to reject extended query protocol immediately
* Enabled timeout in Presto HTTP client
* Queries to system catalogs delete created tables by rollbacking
subtransaction so that other sessions does not conflict


2014-01-15 version 0.1.0:

* First release