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Nether Database

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A lower-level database connection and query library. Provides a simple API for connecting, querying, and digesting the results from a database server.

Requirements

  • PHP 8.1+
  • PDO

Supported Servers

Basic Connect/Query

  • Anything PDO on the system can connect to.
  • And you wrote SQL that executes upon it.
  • See Quickstart Guide for visual examples.

SQL Generator (Verse)

To use the SQL abstractor there will need to be a compiler written for that server to make it generate using the proper and best keywords available supported by that server.

Command Line Interface

This library also sets up a netherdb command in vendor/bin to help get various tasks done.

Additional Libraries

To do its work Nether Database will also include the following NetherPHP libraries. There is no danger of your application suddenly becoming a "NetherPHP" application though. These are all utility which are there for you to use as well, if desired, as they will be about anyway.

  • netherphp/option (configuration management)
  • netherphp/console (cli library)
  • netherphp/object (prototyping)

Classes & Interfaces

Database\Prototype

This class adds basic database search and manipulation on top of the Common\Prototype features. Use it as a base class to get all the functionaility of Common and Database together.

Database\Prototype::Find(iterable $Filters)

This method provides the basic paginated search ability. Given a set of filters classes that extend this class can decide what to do about them. There are also some special filters that apply across all:

'Page' => 1, 'Limit' => 20

These are the main pagination filters.

'Seed' => 1234

A seed to use for any RNG based operations. If fed a value that only changes once per day, you can query with a Sort of random and it will return the same rows that entire day.

'Remappers' => [ callable, ... ]

Give it a callable, or array of, and it will be used as a Remap callable upon the result datastore. Useful for searching on a class that links two objects together, but mapping the result down to only the parts of the data that were needed.

'Resolvers' => [ callable, ... ]

Normally each row of the result set is instantiated to be an object of the class that performed the search. When given a list of callables, it will give them the row as it came out of the database. If it returns the name of a valid class (string) it will be used to instantiate this row. If it returns NULL the next callable in the list will be given a shot.

This can be useful to optimise some searches on a parent class that can spit out a collection of various child typed rows.

'Sort' => 'how'

Select the sort method to use in this search. This class provides default implementations for pk-az, pk-za, and random. More sorts can be provided by child classes.

'Debug' => TRUE

When enabled this will attach the query result object to the collection so it can be inspected.

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A database connection and query tool.

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