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Example code of sapronovps/pgsqlindexanalyzer

Informations about the package pgsqlindexanalyzer

Postgresql index analyzer

Introduction

PgsqlIndexAnalyzer - it's a simple PHP library, which help support indexes in your postgresql database.
Attention! This library is of a recommendation nature. All the indexes obtained need to be analyzed.

You can use it to find the following indexes:

Table of contents

  1. Installing
  2. Methods
  3. Usage

  4. Tests

Installing

Methods

Library contains only 4 methods:

Usage

First you need to create an instance of the library and estimate the configuration.

Get all indexes by tables:

Get unused indexes by tables:
Unused indexes - it's indexes when parameter "IndexScan" === 0;

Get overlapping indexes by tables:
Overlapping indexes - in postgresql, indexes are read from left to right, so there are indexes that are redundant and already contained in any existing index in strict left-to-right order. Usually such indexes can be deleted.

Get indexes contains in other indexes by tables:
Indexes contains in other indexes - this method is very similar to overlappingIndexesByTables, but this method looks for redundant indexes without taking into account reading from left to right. Attention: such indexes can be deleted only after a detailed analysis.

Tests

This library is covered by unit test and phpstan.

All versions of pgsqlindexanalyzer with dependencies

PHP Build Version
Package Version
Requires php Version >=8.0
ext-pdo Version *
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