Infrastructure/Database/DataMappers/TableMapper.php
private function addBooleanColumnFalse(array $columnValues): array
    {
        foreach ($this->getBooleanColumnNames() as $booleanColumnName) {
            if (!isset($columnValues[$booleanColumnName])) {
                $columnValues[$booleanColumnName] = Postgres::BOOLEAN_FALSE;
            }
        }

        return $columnValues;
    }
private function addBooleanColumnFalse(array $columnValues): array
    {
        foreach ($this->getBooleanColumnNames() as $booleanColumnName) {
            if (!isset($columnValues[$booleanColumnName])) {
                $columnValues[$booleanColumnName] = Postgres::BOOLEAN_FALSE;
            }
        }

        return $columnValues;
    }
inserts columnName => 'f' into columnValues array for any boolean column in the table that does not exist in columnValues