Deprecation: #85462 - Signal 'tablesDefinitionIsBeingBuilt' 

See forge#85462

Description 

The usage of signal tablesDefinitionIsBeingBuilt of class \TYPO3\CMS\Extensionmanager\Utility\InstallUtility has been marked as deprecated and will be removed in TYPO3 v10.

The signal is a duplication of tablesDefinitionIsBeingBuilt of class \TYPO3\CMS\Install\Service\SqlExpectedSchemaService that is now also emitted during extension installation.

Impact 

Slots of this signal will get executed in TYPO3 v9 but will be abandoned with TYPO3 v10. If a slot provides SQL definitions a PHP E_USER_DEPRECATED error is triggered.

Affected Installations 

Extensions that register slots for the signal tablesDefinitionIsBeingBuilt of class \TYPO3\CMS\Extensionmanager\Utility\InstallUtility .

Migration 

Extensions should use the signal tablesDefinitionIsBeingBuilt of class \TYPO3\CMS\Install\Service\SqlExpectedSchemaService instead which is now emitted during an extension installation.