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Create PostgreSQL ROLE (user) if it doesn't exist
...sword';
END IF;
END
$do$;
(Building on @a_horse_with_no_name's answer and improved with @Gregory's comment.)
Unlike, for instance, with CREATE TABLE there is no IF NOT EXISTS clause for CREATE ROLE (up to at least pg 12). And you cannot execute dynamic DDL statements in plain SQL.
Your reques...
Is it possible to run one logrotate check manually?
...ad a server running out of space due to logrotate not running for months...and thanks to --force I figured out that there were File exists errors. I manually deleted those files and now rotation correctly works again!
– lucaferrario
Sep 10 '18 at 8:41
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What are CFI directives in Gnu Assembler (GAS) used for?
There seem to be a .CFI directive after every line and also there are wide varities of these ex., .cfi_startproc , .cfi_endproc etc.. more here .
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How do I exclude all instances of a transitive dependency when using Gradle?
... least 5 or 6 other transitive dependencies - this project is using spring and hadoop, so everything but the kitchen sink is getting pulled in... no wait... that's there too :) ).
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Semicolon before self-invoking function? [duplicate]
... function in JavaScript? I saw this approach in few popular jQuery plugins and I'm curious to find if this is the next awesome thing in JavaScript that I don't know.
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Can anonymous class implement interface?
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While this might be a two year old question, and while the answers in the thread are all true enough, I cannot resist the urge to tell you that it in fact is possible to have an anonymous class implement an interface, even though it takes a bit of creative cheating to g...
Reactjs convert html string to jsx
I'm having trouble dealing with facebook's ReactJS. Whenever I do ajax and want to display an html data, ReactJS displays it as text. (See figure below)
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Show AlertDialog in any position of the screen
When we show an AlertDialog in android it shows in the center of the screen. Is there any way to change the position?
4 An...
git clone through ssh
...ly unrelated directly to the question; but one mistake I just made myself, and I see in the OP, is the URL specification ssh://user@server:/GitRepos/myproject.git - namely, you have both a colon :, and a forward slash / after it signifying an absolute path.
I then found Git clone, ssh: Could not re...
What is the purpose of std::make_pair vs the constructor of std::pair?
...hink you can do one = {10, 20} nowadays but I don't have a C++11 compiler handy to check it.
– MSalters
Feb 14 '12 at 8:11
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