Fix for magento 1.5.x base table or view not found 'core_file_storage'

core_file_storage_fix.sql

DROP TABLE IF EXISTS core_file_storage;
CREATE TABLE IF NOT EXISTS core_file_storage (
  `file_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `content` LONGBLOB NOT NULL,
  `upload_time` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `filename` varchar(255) NOT NULL DEFAULT '',
  `directory_id` int(10) unsigned DEFAULT NULL,
  `directory` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`file_id`),
  UNIQUE KEY `IDX_FILENAME` (`filename`, `directory`),
  KEY (`directory_id`),
  CONSTRAINT `FK_FILE_DIRECTORY` FOREIGN KEY (`directory_id`)
    REFERENCES core_directory_storage (`directory_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='File storage';

DROP TABLE IF EXISTS core_directory_storage;
CREATE TABLE IF NOT EXISTS core_directory_storage (
  `directory_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(255) NOT NULL DEFAULT '',
  `path` varchar(255) NOT NULL DEFAULT '',
  `upload_time` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `parent_id` int(10) unsigned DEFAULT NULL,
  PRIMARY KEY (`directory_id`),
  UNIQUE KEY `IDX_DIRECTORY_PATH` (`name`, `path`),
  KEY `parent_id` (`parent_id`),
  CONSTRAINT `FK_DIRECTORY_PARENT_ID` FOREIGN KEY (`parent_id`)
    REFERENCES core_directory_storage (`directory_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Directory storage';