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Example code of mpyw/eloquent-has-by-join

Informations about the package eloquent-has-by-join

Eloquent Has By Join Build Status Coverage Status Scrutinizer Code Quality

Convert has() and whereHas() constraints to join() ones for single-result relations.

[!IMPORTANT] NOTICE: Postgres' optimizer is very smart and covers JOIN optimization for dependent (correlated) subqueries. Therefore, this library is mainly targeted at MySQL which has a poor optimizer.

[!CAUTION] UPDATE: MySQL's optimizer has also been updated in version 8.0.16 to include optimizations similar to PostgreSQL. This library is no longer maintained.

Requirements

Installing

Motivation

Suppose you have the following relationship:

If you use has() constraints, your actual query would have dependent subqueries.

These subqueries may cause performance degradations. This package provides Illuminate\Database\Eloquent\Builder::hasByJoin() macro to solve this problem: you can easily transform dependent subqueries into simple JOIN queries.

API

Signature

Arguments

$relationMethod

A relation method name that returns a BelongsTo, HasOne or MorphOne instance.

You can pass nested relations as an array or a string with dot-chain syntax.

You can provide table aliases with "as" syntax.

$constraints

Additional callable constraints for relations that take Illuminate\Database\Eloquent\Builder as the first argument.

The first closure corresponds to post and the second one corresponds to author.

Feature Comparison

Feature mpyw/eloquent-has-by-join mpyw/eloquent-has-by-non-dependent-subquery
Minimum Laravel version 5.6 5.8
Argument of optional constraints Illuminate\Database\Eloquent\Builder Illuminate\Database\Eloquent\Relations\*
(Builder can be also accepted by specifying argument type)
Compoships support ✅ ❌
No subqueries ✅ ❌
(Performance depends on database optimizers)
No table collisions ❌
(Sometimes you need to give aliases)		 ✅
No column collisions ❌
(Sometimes you need to use qualified column names)		 ✅
OR conditions ❌ ✅
Negative conditions ❌ ✅
Counting conditions ❌ ❌
HasOne ✅ ✅
HasMany ❌ ✅
BelongsTo ✅ ✅
BelongsToMany ❌ ✅
MorphOne ✅ ✅
MorphMany ❌ ✅
MorphTo ❌ ❌
MorphMany ❌ ✅
MorphToMany ❌ ✅
HasOneThrough ❌ ✅
HasManyThrough ❌ ✅

All versions of eloquent-has-by-join with dependencies

PHP Build Version
Package Version
Requires php Version ^7.3 || ^8.0
illuminate/database Version ^6.0 || ^7.0 || ^8.0 || ^9.0 || ^10.0
illuminate/support Version ^6.0 || ^7.0 || ^8.0 || ^9.0 || ^10.0
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