com presentations: Mention that ObjectIds are immutable: slides/mongodb/id.xml
[email protected] (Derick Rethans)
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Commit: 977f856a9905874b8102a4c0ffeedbfcef86703e Author: Jeremy Mikola <[email protected]> Sun, 17 May 2015 12:43:39 -0500 Parents: a1eb30d719d49ab5fee8baf5cffabbdf1bff755e Branches: master Link: http://git.php.net/?p=presentations.git;a=commitdiff;h=977f856a9905874b8102a4c0ffeedbfcef86703e Log: Mention that ObjectIds are immutable Also revises the composition description Changed paths: M slides/mongodb/id.xml Diff: diff --git a/slides/mongodb/id.xml b/slides/mongodb/id.xml index 96d3882..ad71525 100644 --- a/slides/mongodb/id.xml +++ b/slides/mongodb/id.xml @@ -2,8 +2,8 @@ <title>IDs</title> <list> - <bullet>Every document needs a unique ID</bullet> - <bullet>ID consists of: 4 bytes timestamp, 3 byte machine id, 2 bytes PID and 3 bytes counter:<br/>%|994444|507e6384| |449944|44670a| |444499|3e6e| |999944|000000|%</bullet> + <bullet>Every document needs a unique, immutable ID</bullet> + <bullet>ID consists of: 4-byte timestamp, 3-byte machine identifier, 2-byte PID and 3-byte counter:<br/>%|994444|507e6384| |449944|44670a| |444499|3e6e| |999944|000000|%</bullet> </list> <example result="1" stop="true"><![CDATA[<?php