protected SqlContentEntityStorageSchema::getColumnSchemaRelevantKeys()
Returns a list of column schema keys affecting data storage.
When comparing schema definitions, only changes in certain properties actually affect how data is stored and thus, if applied, may imply data manipulation.
string[] An array of key names.
protected function getColumnSchemaRelevantKeys() { return ['type', 'size', 'length', 'unsigned']; }
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