---
title: "Breaking: #72421 - Removed deprecated code from database and query functions"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:breaking-72421"
source: "Changelog/8.0/Breaking-72421-RemovedDeprecatedCodeFromDatabaseAndQueryFunctions.rst"
typo3-version: "8.0"
typo3-major: 8
type: "breaking"
issue: 72421
forge: "https://forge.typo3.org/issues/72421"
tags: ["PHP-API", "Database"]
rendered: "2026-09-19T12:12:50+00:00"
---

# Breaking: #72421 - Removed deprecated code from database and query functions {#breaking-72421}

See [forge#72421](https://forge.typo3.org/issues/72421)

## Description {#description}

Removed deprecated code from database and query functions

The following methods have been removed:

`DatabaseConnection::splitGroupOrderLimit`
`QueryGenerator::formatQ`
`QueryGenerator::JSbottom`
`ReferenceIndex::error`
`RelationHandler::convertPosNeg`

The following properties have been removed:

`QueryGenerator::$extJSCODE`
`ReferenceIndex::$errorLog`

The option to set soft reference parsers has been removed.

## Impact {#impact}

Using the one of the methods or properties above will result in a fatal error.

## Affected Installations {#affected-installations}

Instances which use custom calls to the methods or classes above.