October 2014
Intermediate to advanced
142 pages
3h 9m
English
Content preview from PostgreSQL Administration EssentialsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Configuring the amount of log output
In this section, we will discuss how to control the amount of log produced by the database. The default configuration of PostgreSQL provides us only with error messages. Sometimes, this is just not enough. The goal of this section is to provide you with all the information you need to make PostgreSQL more verbose.
The central configuration variable here is log_statements:
log_statement = 'all' # none, ddl, mod, all
Let's see the description of the variables used in the preceding code snippet:
none: In this case, only error messages are logged (syntax errors, panics, fatal errors, and so on).ddl: At this level, we will already log all errors, including all commands that change the data structure (CREATE TABLE ...
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