||Open Source Technical Updates [Page: 10 of 82] @ TACKtech Corp.
PostgreSQL Conference Europe 2017 will be held on October 24-27 in the Warsaw Marriott Hotel, in Warsaw, Poland. It will cover topics for PostgreSQL users, developers and contributors, as well as decision and policy makers. For more information about the conference, please see the website.
If you are interested in our sponsorship opportunities, please see the end of this announcement.
We are now accepting proposals for talks in English.
Each session will last 45 minutes, and may be on any topic related to PostgreSQL. Suggested topic areas include:
- Developing applications for PostgreSQL
- Administering large scale PostgreSQL installations
- Case studies and/or success stories of PostgreSQL deployments
- PostgreSQL tools and utilities
- PostgreSQL hacking
- Community & user groups
- Tuning the server
- Migrating from other systems
- Benchmarking & hardware
- PostgreSQL related products
Of course, we're happy to receive proposals for talks on other PostgreSQL related topics as well.
We may also have a limited number of longer, 90-minute, slots available. Please indicate clearly in your submission if you wish to make a 90-minute talk.
Finally, there will be a session of five minute lightning talks. A separate call for proposals will be made for them further on.
The submission deadline is August 7th. Selected speakers will be notified before August 22nd, 2017.
Please submit your proposals by going to the submission system and following the instructions there.
The proposals will be considered by committee who will produce a schedule to be published nearer the conference date.
All selected speakers will get free entry to the conference (excluding training sessions). We do not in general cover travel and accommodations for speakers, but may be able to do so in limited cases. If you require assistance with funding to be able to attend, please make a note of this in the submission notes field.
We have also opened our Call for Sponsors. We offer a wide range of sponsorship opportunities, ranging from a low cost Bronze level which is a great way to show your support for the community, to the Platinum level which is limited to three sponsors (so act fast if you are interested!).
If you are interested, please see the detailed descriptions and click the signup link from there!
We look forward to hearing from you, and seeing you in Warsaw in October!
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check_pgactivity 2.2 released
The OPMDG has finally released the version 2.2 of check_pgactivity. Most of the changes were already committed since a long time, but this release finally brings official support for PostgreSQL 9.6 in check_pgactivity.
This release brings some new features :
- support for PostgreSQL 9.6
- add service sequences_exhausted to prevent a sequence running out of ids
- add service stat_snapshot_age to detect a stuck stats collector process
- add service pgdata_permission to monitor rights and ownership of PGDATA directory
- add support for "pending restart" parameters in service settings (9.5+)
- add timeline of in the perfdata output in service wal_files
- add warn/critical thresholds to streaming_delta perfdata
- make thresholds optional in service streaming_delta
Some fixes and changes were also done :
- fix backends_status for PostgreSQL 9.6
- improve and rename "ready_archives" to "archiver"
- fix archive_folder to handle compressed archived WAL properly
- fix a race condition to handle concurrent executions correctly
- fix bug in "human" output format
- fix documentation about default db connection
- now use parameter server_version_num to detect PostgreSQL version
What is check_pgactivity
check_pgactivity is a Nagios-compatible checker to monitor every key features of a PostgreSQL cluster :
- number of sessions, longuest queries, locked sessions, etc
- database size, bloated tables and bloated indexes
- WAL files, archiver state, database dumps
- streaming replication, replication slots
- and many more
check_pgactivity supports several output formats :
- Nagios, strict or not
- binary (Perl-compatible)
Why check_pgactivity ?
The OPMDG was initially formed by Dalibo to support the development of our OPM
monitoring suite. The OPMDG is an informal group of people contributing to OPM and
related tools, and is independant from the company in order to encourage other contributors
to submit patches.
We initially thought about using check_postgres for the OPM monitoring suite, but it lacked
some crucial performance datas and the base code was difficult to maintain. We decided to
write our own Nagios checker from scratch, in a more maintainable manner and with a focus on
a rich perfdata set.
Thus, it's now very easy to extend check_pactivity to support new services or simply support
a new PostgreSQL release - PostgreSQL 10 support is already in the work. The output format is
automatically treated by check_pgactivity, a service just has to return a some variables.
All releases can by downloaded from github : https://github.com/OPMDG/check_pgactivity/releases
The project page : https://github.com/OPMDG/check_pgactivity
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Database .NET v22 is an innovative, powerful and intuitive multiple database management tool. (Full support for PostgreSQL 8.4~9.6)
Free, All-In-One, Portable, Single executable file and Multi-language.
Major New features from version 19.9 to 22.0:
- Updated to Npgsql.dll 3.2.2
- Massive performance improvements (>30%+)
- Added support for Asynchronous connection open
- Added support for PostgreSQL Extension objects
- Added support for PostgreSQL Exclusion Constraints
- Added generating CRUD stored procedures for PostgreSQL
- Added displaying RefCursor results for PostgreSQL
- Added displaying Indexes for PostgreSQL Materialized Views
- Added automatically list foreign key references to IntelliSense
- Added auto Commit to Context Menu
- Added generating INSERTs to new query window
- Added full screen results
- Added preserving NULL values by Exporting and Importing delimited text files
- Added generating Delimited text files by Script Generator
- Added support for importing XML format
- Added support for exporting data to Markdown format
- Added syntax Validation for creating a new table
- Ability to delete multiple selected objects
- ...and more
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Intelligent Converters released new versions of MSSQL-to-PostgreSQL and Oracle-to-PostgreSQL with the following enhancements:
- option to convert views in PostgreSQL format
- option to export into PostgreSQL script file
- improved support for Azure SQL (in MSSQL-to-PostgreSQL)
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PostgresOpen and PGConf SV have joined forces this year to put together
a fantastic PostgreSQL conference, PostgresOpen SV 2017, being held in
downtown San Francisco from September 6th to 8th.
Early Bird Registration for PostgresOpen SV 2017 is now open!
Simply go to our tickets page and register to
attend the longest running annual PostgreSQL conference in the US.
The Program Committee is excited to be able to offer tickets for
PostgresOpen SV at the same rate as last year, with a $200 discount
for early bird registrations!
We also want to remind you that the Call for Papers is only open until
May 30th, Anywhere on Earth (AoE), this is the last chance for you
to submit your talk for PostgresOpen SV 2017, there's only two weeks
Presentations on any topic related to PostgreSQL including, but not
limited to, case studies, experiences, tools and utilities, application
development, data science, migration stories, existing features, new
feature development, benchmarks, and performance tuning are encouraged.
Tutorials will be announced in the coming weeks- watch our blog
The Program Committee looks forward to bringing the best PostgreSQL
presentations and tutorials from speakers around the world to the fantastic
Parc55 in downtown San Francisco.
Speakers will be notified by June 6th, 2017 AoE, with the schedule to be
published once selected speakers have confirmed.
PostgresOpen SV 2017 is only able to happen with the support of our
fantastic sponsors. We are extremely pleased to be able to recognize
our Diamond launch sponsors:
and head to our site to see all of our Gold, Silver and Supporter sponsors
Sponsorship opportunities are still available!
We look forward to seeing everyone in San Francisco!
Any questions? Please contact: firstname.lastname@example.org
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The PostgreSQL Global Development Group announces today that the first beta release of PostgreSQL 10 is available for download. This release contains previews of all of the features which will be available in the final release of version 10, although some details will change before then. Users are encouraged to begin testing their applications against this latest release.
Major Features of 10
The new version contains multiple features that will allow users to both scale out and scale up their PostgreSQL infrastructure:
- Logical Replication: built-in option for replicating specific tables or using replication to upgrade
- Native Table Partitioning: range and list partitioning as native database objects
- Additional Query Parallelism: including index scans, bitmap scans, and merge joins
- Quorum Commit for Synchronous Replication: ensure against loss of multiple nodes
We have also made three improvements to PostgreSQL connections, which we are calling on driver authors to support, and users to test:
- SCRAM Authentication, for more secure password-based access
- Multi-host "failover", connecting to the first available in a list of hosts
- target_session_attrs parameter, so a client can request a read/write host
Many other new features and improvements have been added to PostgreSQL 10, some of which may be as important, or more important, to specific users than the above. Certainly all of them require testing. Among them are:
- Crash-safe and replicable Hash Indexes
- Multi-column Correlation Statistics
- New "monitoring" roles for permission grants
- Latch Wait times in pg_stat_activity
- XMLTABLE query expression
- Restrictive Policies for Row Level Security
- Full Text Search support for JSON and JSONB
- Compression support for pg_receivewal
- ICU collation support
- Push Down Aggregates to foreign servers
- Transition Tables in trigger execution
Further, developers have contributed performance improvements in the SUM() function, character encoding conversion, expression evaluation, grouping sets, and joins against unique columns. Analytics queries against large numbers of rows should be up to 40% faster. Please test if these are faster for you and report back.
See the Release Notes for a complete list of new and changed features.
Test for Bugs and Compatibility
We count on you to test the altered version with your workloads and testing tools in order to find bugs and regressions before the release of PostgreSQL 10. As this is a Beta, minor changes to database behaviors, feature details, and APIs are still possible. Your feedback and testing will help determine the final tweaks on the new features, so test soon. The quality of user testing helps determine when we can make a final release.
Additionally, version 10 contains several changes that are incompatible with prior major releases, particularly renaming "xlog" to "wal" and a change in version numbering. We encourage all users test it against their applications, scripts, and platforms as soon as possible. See the Release Notes and the What's New in 10 page for more details.
This is the first beta release of version 10. The PostgreSQL Project will release additional betas as required for testing, followed by one or more release candidates, until the final release in late 2017. For further information please see the Beta Testing page.
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Mapt - powered by Packt - is a comprehensive tech library stuffed full of the latest PostgreSQL knowledge. Mapt boasts over 170 hours of PostgreSQL courses, including the latest Packt PostgreSQL eBooks. It’s been designed for developers who need answers fast.
Newly released on Mapt, the PostgreSQL Administration Cookbook, High Performance Cookbook and High Availability Cookbook give you essential answers right at your fingertips. Now PostgreSQL community members can access these titles and more with an exclusive 50% off discount on Mapt Annual subscription.
You can receive a discount off of a whole year of Mapt with the discount code MptPgSQL50
Mapt’s PostgreSQL courses cover everything you need to know whether you’re just starting out with the basics, or looking for advanced tips and tricks to get the most from PostgreSQL. Get practical insight from real PostgreSQL experts with decades of database experience. Mapt authors include Simon Riggs, CTO of PostgreSQL consultancy 2ndQuadrant; Greg Smith, principal consultant for 2ndQuadrant, and Postgre Open speaker Shaun M Thomas.
On top of all that PostgreSQL knowledge, a Mapt subscription nets even more insight. Access to over 4,500 eBook and video courses on data, development, and more. Get career development guidance from Mapt’s Skill Plans. Make your learning stick with assessments, and take advantage of a global author community.
Full View / NID: 66404 / Submitted by: The Zilla of Zuron
SQL Multi Select 3.2 Basic Edition is now free.
Run multiple scripts on multiple PostgreSQL databases with a single click. A description for how to use SQL Multi Select with other PostgreSQL tools is available here.
Changes in version 3.2:
- various GUI changes to improve Wine compatibility.
- added option to define default scripts for PostgreSQL, MySQL, and Oracle servers
- modified the upgrade process to avoid having to reboot the Linux OS.
- Runs on Windows XP to Windows 10.
- Runs on Wine, tested on Ubuntu and Fedora.
- Supports PostgreSQL 8.3 to 9.6, without the need for any additional database drivers.
For more information about SQL Multi Select for PostgreSQL, please visit http://www.yohz.com/sms_details.htm, or download a free 14-day trial.
About Yohz Software
Yohz Software is a developer of free and commercial database applications for most popular database engines. Visit our site at http://www.yohz.com.
Full View / NID: 66403 / Submitted by: The Zilla of Zuron
The PHP development team announces the immediate availability of PHP 7.1.5. Several bugs have been fixed. All PHP 7.1 users are encouraged to upgrade to this version. For source downloads of PHP 7.1.5 please visit our downloads page, Windows source and binaries can be found on windows.php.net/download/. The list of changes is recorded in the ChangeLog.
Full View / NID: 66326 / Submitted by: The Zilla of Zuron
The PostgreSQL Global Development Group has released an update to all supported versions of our database system, including 9.6.3, 9.5.7, 9.4.12, 9.3.17, and 9.2.21. This release fixes three security issues. It also patches a number of other bugs reported over the last three months. Users who use the PGREQUIRESSL environment variable to control connections, and users who rely on security isolation between database users when using foreign servers, should update as soon as possible. Other users should plan to update at the next convenient downtime.
Three security vulnerabilities have been closed by this release:
- CVE-2017-7484: selectivity estimators bypass SELECT privilege checks
- CVE-2017-7485: libpq ignores PGREQUIRESSL environment variable
- CVE-2017-7486: pg_user_mappings view discloses foreign server passwords
The fix for CVE-2017-7486 applies to new databases, see the release notes for the procedure to apply the fix to an existing database.
Any user relying on the PGREQUIRESSL environment variable is encouraged to use the sslmode connection string option,
as use of PGREQUIRESSL is deprecated. CVE-2017-7485 does not affect the 9.2 series. For more information on these issues
and how they affect backwards-compatibility, see the Release Notes.
Bug Fixes and Improvements
This update also fixes a number of bugs reported in the last few months. Some of these issues affect only the 9.6 series, but many
affect all supported versions. There are more than 90 fixes in this release, including:
- Fix to ensure consistent behavior for RLS policies
- Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT
- Fix incorrect support for certain box operators in SP-GiST which could yield incorrect results
- Fixes for handling query cancellation
- Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index
- Fix possibly-invalid initial snapshot during logical decoding
- Fix possible corruption of init forks of unlogged indexes
- Several fixes to postmaster, including checks for when running as a Windows service
- Several planner fixes, among others assorted minor fixes in planning of parallel queries
- Avoid possible crashes in walsender and some index-only scans on GiST index
- Fix cancelling of pg_stop_backup() when attempting to stop a non-exclusive backup
- Updates to ecpg to support COMMIT PREPARED and ROLLBACK PREPARED
- Several fixes for pg_dump/pg_restore, among others to handle privileges for procedural languages and when using --clean option
- Several fixes for contrib modules, such as dblink, pg_trgm and postgres_fdw
- Fixes to MSVC builds, such as using correct daylight-savings rules for POSIX-style time zone names and supporting Tcl 8.6
- Several performance improvements
- Fix cursor_to_xml() to produce valid output with tableforest = false
- Fix roundoff problems in float8_timestamptz() and make_interval()
- Fix pgbench to handle the combination of --connect and --rate options correctly
- Fixes to commandline tools such as pg_upgrade and pg_basebackup
- Several fixes to VACUUM and CLUSTER
Users of replication tools based on logical decoding, as well as users of unlogged indexes, should consult the release notes
for potential extra steps during the upgrade.
This update also contains tzdata release 2017b with updates for DST law changes in Chile, Haiti, and Mongolia, plus historical corrections for Ecuador, Kazakhstan, Liberia, and Spain. Switch to numeric abbreviations for numerous time zones in South America, the Pacific and Indian oceans, and some Asian and Middle Eastern countries. The timezone library is synchronized with IANA release tzcode2017b.
EOL Warning for Version 9.2
PostgreSQL version 9.2 will be End-of-Life in September 2017. The project expects to only release one, or two, more updates for that version. We urge users to start planning an upgrade to a later version of PostgreSQL as soon as possible. See our Versioning Policy for more information.
All PostgreSQL update releases are cumulative. As with other minor releases, users are not required to dump and reload their database or use pg_upgrade in order to apply this update release; you may simply shut down PostgreSQL and update its binaries.
After update, users of replication tools based on logical decoding, as well as users of unlogged indexes, should consult the release notes
for potential extra steps during the upgrade. See the Release Notes for more details.
Users who have skipped one or more update releases may need to run additional, post-update steps; please see the release notes for earlier versions for details.
Full View / NID: 66320 / Submitted by: The Zilla of Zuron
pg_chameleon is a MySQL to PostgreSQL replica system developed in python 2.7/3.3+.
The release 1.0 comes with the following features
- Copy schema and data from MySQL to a PostgreSQL schema
- MySQL to PostgreSQL replica
- Basic DDL Support (CREATE/DROP/ALTER TABLE, DROP PRIMARY KEY/TRUNCATE)
- Discards of replicated rubbish data
- Replica from multiple MySQL sources
- Basic replica monitoring
- Detach replica from MySQL for easy migration to PostgreSQL
- Data aggregation from multiple MySQL databases
Download and documentation
Full View / NID: 66227 / Submitted by: The Zilla of Zuron
Oxford, United Kingdom - May 4, 2017
2ndQuadrant is pleased to announce the release of pglogical 2.0 – the next generation in logical replication for PostgreSQL. This version will continue to be supported until EOL for PostgreSQL server versions 9.4, 9.5 and 9.6 and will also work with PostgreSQL 10 due to release in Fall 2017.
The pglogical 2.0 release brings new features allowing it to be used for even more use-cases. It also includes several bug fixes and behavior improvements, including:
- Row filter - specify SQL expression which should be used on upstream to filter rows for replicated table
- Column filter - specify list of columns that should be replicated, this allows replication of just some columns from a table
- Windows support - pglogical can be now used with PostgreSQL running on Windows as both provider and subscriber (has to be built from the source at the moment)
- Delayed replication - it’s now possible to set delay for how long behind the downstream should be when replicating data
- Postgres-XL support - Postgres-XL can become a pglogical subscriber, which means you can replicated from PostgreSQL to Postgres-XL directly
- New command line tool pglogical_create_subscriber which can convert physical standby (or base backup) into pglogical subscriber
- Performance improvements for applying transactions containing many INSERTs (including transactions that did large import using COPY)
- Improved behavior of TRUNCATE, especially the TRUNCATE triggers
- Users executing DDL in database no longer need USAGE privilege on pglogical schema
- Fixed reporting of false positives on UPDATE conflicts
- Log level for conflicts can now be changed
pglogical is a logical replication system implemented entirely as a PostgreSQL extension. Fully integrated, it requires no triggers or external programs. This alternative to physical replication is a highly efficient method of replicating data using a publish/subscribe model for selective replication.
2ndQuadrant leads the drive for improving the enterprise functionality for PostgreSQL, continuously contributing major features to every release for performance, replication, business intelligence and usability.
pglogical has been developed by 2ndQuadrant. It is open source and fully supported for 2ndQuadrant 24/7 Support customers. We also offer consulting services to help organizations with application development, conflict handler design, cluster design, deployment, feature development and performance analysis.
Full View / NID: 66228 / Submitted by: The Zilla of Zuron
Yohz Software has just released DB Doc 4.1, the PostgreSQL schema documentation tool, and is available for immediate download.
Changes in this version:
- All reports now display the 20 largest tables (by total size, indexes size, and toast size) and indexes for each schema.
- Added ability to sort table and index lists by any text or numeric property.
- Schema inspector added so you can view the properties of each database object before printing your reports.
- Search function in schema inspector allows you to quickly filter database objects by name and/or comment.
- Fixed consistency of PDF portrait and landscape layouts.
- Improved consistency of Word reports with PDF reports.
- Improved search function dialog in script editor.
DB Doc benefits:
- Create documents in HTML, CHM, PDF, and MS Word formats
- Eliminate tedious and time-consuming manual documentation tasks
- Satisfy audit requirements by keeping complete and timely documentation
- Document a database in 4 simple steps
- View inter-object and inter-database dependencies in your documents
- Document layouts can be fully customizable to suit your requirements
- Keep teams up to date by distributing documentation
- Runs on Windows XP to Windows 10
- Runs in Wine, so you can use DB Doc on your favorite Linux distribution
- Supports PostgreSQL 8.3 to 9.6, without the need for any additional database drivers.
For more details about DB Doc, visit the product page here.
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Full View / NID: 64998 / Submitted by: The Zilla of Zuron
The PHP development team announces the immediate availability of PHP 7.1.4. Several bugs have been fixed. All PHP 7.1 users are encouraged to upgrade to this version. For source downloads of PHP 7.1.4 please visit our downloads page, Windows source and binaries can be found on windows.php.net/download/. The list of changes is recorded in the ChangeLog.
Full View / NID: 64942 / Submitted by: The Zilla of Zuron
Yohz Software has released PgComment, a FREE Windows tool to easily add/modify comments to your database objects.
PgComment reads your database schema in seconds, and displays the schema in a hierarchical tree view, together with any existing comments. You can then edit the comments directly in the tree view.
With PgComment, you can add comments to tables, columns, indexes, views, domains, sequences, and functions.
Changes are cached locally, and sent to the server in a batch when applied, so you do not have to wait for individual COMMENT ON commands to complete after each change. This allows you to work faster.
Used together with DB Doc, our PostgreSQL schema documentation generator, PgComment allows you to delegate the task of documenting the database objects to the users who are most familiar with the database objects.
For more information on PgComment, please visit http://www.yohz.com/pgc_details.htm, or download the installer.
About Yohz Software
Yohz Software is a developer of database applications for most popular database engines. Visit our web site at http://www.yohz.com to discover what other products we offer.
Full View / NID: 64899 / Submitted by: The Zilla of Zuron
We are very excited to announce the release of AgensGraph v1.1. It includes both new features and many useful improvements. Since we released AgensGraph v1.0, our team has been hard at work researching and building the best AgensGraph solution for database over the past two months. With improved features and upgraded performance, AgensGraph makes it easier for you to manage, analyze and store your data.
Let’s take a look at the new features and improvements:
? MERGE Clause
The MERGE specification is a convenient way to verify specific patterns in a graph. If there is no such pattern, AgensGraph creates the specified pattern automatically. Users can also define the additional behaviors using ON MATCH and ON CREATE optional clauses.
? Variable Length Edge Pattern Queries
AgensGraph v1.1 is twice as fast as the previous version (v1.0). Using variable length edge pattern is a concise way to specify degrees of relationships between entities such as finding friends of a friend. This is one of the reasons why users choose graph database over relational database.
? External modules
In AgensGraph v1.1, two external modules have been added: Hadoop FDW and HyperLogLog datatype.
Hadoop FDW is a foreign data wrapper which connects HIVE systems to access HDFS files in AgensGraph. Using Hadoop FDW, the data residing in Hadoop can be easily imported into AgensGraph.
AgensGraph v1.1 is a minor release but contains major improvements. There will be more features and modules introduced in the coming months. We will update you accordingly. Please visit AgensGraph v1.1 Release for more detailed information.
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The PHP development team announces the immediate availability of PHP 7.1.3. Several bugs have been fixed. All PHP 7.1 users are encouraged to upgrade to this version. For source downloads of PHP 7.1.3 please visit our downloads page, Windows source and binaries can be found on windows.php.net/download/. The list of changes is recorded in the ChangeLog.
Full View / NID: 63648 / Submitted by: The Zilla of Zuron
dbMigration .NET v5
is a simple, easy and intuitive multiple database migration and sync tool,
With it you can easily migrate schema and data between different databases without complicated procedures.
Supported databases: PostgreSQL, SQL Server, SQL Azure, LocalDB, MySQL, Oracle, IBM DB2, Informix,
Vertica, NuoDB, Teradata, Sybase ASE, Firebird, SQLite, SQLCe, VistaDB, Access, dBase, FoxPro,
Text, Excel, ODBC, OleDB...etc.
Free, All-In-One, Portable, Single executable file and Multi-language.
Major New features from version 3.8 to 5.0 (2016/10/01~2017/03/10):
- Added support for PostgreSQL <-> VistaDB migration
- Added support for PostgreSQL error detail message
- Added support for PostgreSQL (one/two) dimensional arrays
- Added Multi-Language UI (Options->Language)
- Added Automatically generate foreign keys (PG)
- Ability to add custom delimited file extensions
- Improved Migrating VIEWS/FUNCTIONS/SEQUENCES definitions (PG->PG)
- Improved Data Synchronization
- Improved Automatic Mapping Types (UDT)
- Improved Custom Mapping Types
- Improved Command-Line
- Compiled with Visual Studio 2017
- ...and more
The new version is immediately available for download.
Full View / NID: 63564 / Submitted by: The Zilla of Zuron
The JDBC group is proud to release a new version, and in keeping with the version renumbering meme we have released version 42.0.0.
Notable changes include:
- Support for PostgreSQL versions below 8.2 was dropped
- java.util.logging is now used for logging: logging documentation
- Ensure executeBatch() can be used with pgbouncer. Previously pgjdbc could use server-prepared statements for batch execution even with prepareThreshold=0 (see issue 742)
- Replication protocol API was added: replication API documentation, PR#550
- Version bumped to 42.0.0 to avoid version clash with PostgreSQL version
- Error position is displayed when SQL has unterminated literals, comments, etc (see issue 688)
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