(Praveen Hulakund) MySQL 5.7.4 introduces the ability to set server side execution time limits, specified in milliseconds, for top level read-only SELECT statements. This feature is introduced as part of WL#6936. It is based on a contribution submitted by Davi Arnaut with Bug#68252. Thank you, Davi!
Tag: Open Source
Always use decimal for money
(Noel Herrick) Data types make all the difference in the world when you’re designing your database. The choices you make now will affect the quality of your data, as well as application performance. I’m going to focus on one issue in this article: why you should always use decimals to represent mone
MySQL Performance Schema : Prepared Statements Instrumentation
(Mayank Prasad) MySQL 5.7.4 has a new Performance Schema feature, namely instrumentation for prepared statements. This instrumentation gives details of PREPARE and EXECUTE statistics for a prepared statement.
Normal User As Super User
(Dinesh Kumar) Recently i faced a problem with some catalog views, which do not give you the complete information as a normal user. For example, take pg_stat_activity, pg_stat_replication, pg_settings, e.t.c. If we run the above catalog views as non super user, you don’t get the result what we get a
Improve your Stored Procedure Error Handling with GET DIAGNOSTICS
(Chris Calender) In a previous post, I discussed debugging stored procedures with RESIGNAL, which is of great value when troubleshooting errors raised by your stored procedures, functions, triggers, and events as of MySQL/MariaDB 5.5.
PostgreSQL Columnar Store for Analytic Workloads
(Hadi Moshayedi) We are excited to open source our columnar store extension for PostgreSQL and share it with the community! Columnar stores bring notable benefits for analytic workloads, where data is loaded in batches.
Quickly Debugging Stored Procedures, Functions, Triggers, and Events with RESIGNAL
(Chris Calender) I was recently debugging a stored procedure and could not easily identify the underlying reason for why it was failing.
Redefining –ssl option
(Todd Farmer) MySQL clients have long had a –ssl option. Casual users may think specifying this option will cause clients to secure connections using SSL. That is not the case:
Almost a crosstab using JSON
(Andrew Dunstan) Most of the recent focus on the new json facilities has been on jsonb. This is understandable – it shows great promise, and a lot of people put in a lot of work on it. Besides myself, there were Teodor Sigaev, Oleg Bartunov, Alexander Korotkov and Peter Geoghegan as principal author
Recovering MySQL Data From the BLACKHOLE Storage Engine
(Ike Walker) I used to think it was impossible to recover data from the MySQL BLACKHOLE storage engine. As stated in the manual:
