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Lexorank Php
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Lexorank Php Laravel Package

alexcrawford/lexorank-php

Simple PHP implementation of Atlassian JIRA’s LexoRank for ordering database lists. Reorder items in O(1) by updating only the moved row’s rank value, avoiding mass updates and costly transactions.

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lexorank

A simple PHP implementation of xissy/lexorank

LexoRank is a ranking system introduced by Atlassian JIRA.

Background

What is the best representation of an ordered list in a database? With a dumb order number based ranking system, re-ordering a row of a list may require updating all rows of the list in a transaction, which is O(n).

LexoRank makes it O(1). All you need to do is updating the re-ordered row's order field.

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