spam.install in Spam 5.3

Same filename and directory in other branches
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spam.install
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<?php

/**
 *
 */
function spam_install() {
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
    default:

      /**
       * Provides global and granular per-content-type configurations for all
       * enabled spam filters.  The status allows a filter to be enabled or
       * disabled.  The weight allows filters to be ordered.  The gain allows
       * you to minimize or amplify the effect of a given filter.
       */
      db_query("CREATE TABLE {spam_filters} (\n        fid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        gid INT(11) UNSIGNED DEFAULT '0' NOT NULL,\n        name VARCHAR(128) NOT NULL DEFAULT '',\n        module VARCHAR(128) NOT NULL DEFAULT '',\n        status TINYINT UNSIGNED DEFAULT '0' NOT NULL,\n        weight TINYINT DEFAULT '0' NOT NULL,\n        gain TINYINT UNSIGNED DEFAULT '0' NOT NULL,\n        PRIMARY KEY fid (fid),\n        KEY gid (gid),\n        KEY name (name),\n        KEY module (module),\n        KEY status (status),\n        KEY weight (weight)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");
      db_query("CREATE TABLE {spam_filters_groups} (\n        gid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        name VARCHAR(255) NOT NULL DEFAULT '',\n        weight TINYINT DEFAULT '0' NOT NULL,\n        PRIMARY KEY gid (gid),\n        KEY weight (weight)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");
      db_query("CREATE TABLE {spam_filters_groups_data} (\n        gid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        content_type VARCHAR(64) NOT NULL DEFAULT '',\n        PRIMARY KEY gid_content_type (gid,content_type),\n        KEY content_type (content_type)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       * Tracks all filtered site content, included both spam and non-spam.
       */
      db_query("CREATE TABLE {spam_tracker} (\n        sid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        content_type VARCHAR(128) NOT NULL DEFAULT '',\n        content_id INT(11) UNSIGNED DEFAULT '0',\n        score INT(4) UNSIGNED DEFAULT '0',\n        hostname VARCHAR(15) NOT NULL DEFAULT '',\n        timestamp INT(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY sid (sid),\n        UNIQUE KEY content_id_content_type (content_id,content_type),\n        KEY content_type (content_type),\n        KEY score (score),\n        KEY hostname (hostname),\n        KEY timestamp (timestamp)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       *
       */
      db_query("CREATE TABLE {spam_filters_errors} (\n        bid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        uid INT(11) UNSIGNED NOT NULL DEFAULT '0',\n        content_type VARCHAR(128) NOT NULL DEFAULT '',\n        content_id INT(11) UNSIGNED DEFAULT '0',\n        content_hash CHAR(32) NOT NULL DEFAULT '',\n        content TEXT NOT NULL,\n        form TEXT NOT NULL,\n        feedback TEXT NOT NULL,\n        hostname VARCHAR(15) NOT NULL DEFAULT '',\n        timestamp INT(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY bid (bid),\n        KEY id_type (content_id,content_type),\n        UNIQUE KEY content_hash (content_hash),\n        KEY content_type (content_type),\n        KEY hostname (hostname),\n        KEY timestamp (timestamp)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       * Logging mechanism similar to watchdog, but provides additional
       * information specific to spam tracking.
       */
      db_query("CREATE TABLE {spam_log} (\n        lid int(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        trid int(11) UNSIGNED NOT NULL DEFAULT '0',\n        level int(2) UNSIGNED NOT NULL DEFAULT '0',\n        content_type VARCHAR(128) NULL DEFAULT '',\n        content_id INT(11) UNSIGNED DEFAULT '0',\n        uid int(10) UNSIGNED NOT NULL DEFAULT '0',\n        function varchar(255) NOT NULL DEFAULT '',\n        message varchar(255) NOT NULL DEFAULT '',\n        hostname VARCHAR(15) NOT NULL DEFAULT '',\n        timestamp int(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY lid (lid),\n        KEY trid (trid),\n        KEY content_type_content_id (content_type, content_id),\n        KEY message (message),\n        KEY uid (uid),\n        KEY hostname (hostname),\n        KEY timestamp (timestamp)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       * Spam statistics.
       */
      db_query("CREATE TABLE {spam_statistics} (\n        stid int(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        name varchar(64) NOT NULL DEFAULT '',\n        count int(11) UNSIGNED NOT NULL DEFAULT '0',\n        timestamp int(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY stid (stid),\n        UNIQUE KEY name (name)\n      ) TYPE=MyISAM /* 40100 DEFAULT CHARACTER SET utf8 */;");
      break;
    case 'pgsql':

      /**
       * tinyint (above) has usually been implemented as integer,
       * because of the following comment in pgsql docs:
       * "The type integer is the usual choice, as it offers the best
       * balance between range, storage size, and performance.
       * The smallint type is generally only used if disk space is at a premium.
       */
      db_query("CREATE TABLE {spam_filters} (\n\tfid serial PRIMARY KEY,\n\tgid integer NOT NULL default 0,\n\tname varchar(128) NOT NULL default '',\n\tmodule varchar(128) NOT NULL default '',\n\tstatus integer NOT NULL default 0,\n\tweight integer NOT NULL default 0,\n\tgain integer NOT NULL default 0\n      );");
      db_query("CREATE INDEX {spam_filters}_gid_key ON {spam_filters} (gid);");
      db_query("CREATE INDEX {spam_filters}_name_key ON {spam_filters} (name);");
      db_query("CREATE INDEX {spam_filters}_module_key ON {spam_filters} (module);");
      db_query("CREATE INDEX {spam_filters}_status_key ON {spam_filters} (status);");
      db_query("CREATE INDEX {spam_filters}_weight_key ON {spam_filters} (weight);");
      db_query("CREATE TABLE {spam_filters_groups} (\n        gid serial PRIMARY KEY,\n\tname varchar(255) NOT NULL default '',\n\tweight integer NOT NULL default 0\n      );");
      db_query("CREATE INDEX {spam_filters_groups}_weight_key ON {spam_filters_groups} (weight);");
      db_query("CREATE TABLE {spam_filters_groups_data} (\n\tgid serial,\n\tcontent_type varchar(64) NOT NULL default '',\n\tCONSTRAINT spam_filters_groups_data_pk PRIMARY KEY(gid,content_type)\n      );");
      db_query("CREATE INDEX {spam_filters_groups_data}_content_type_key ON {spam_filters_groups_data} (content_type);");

      /**
       * Tracks all filtered site content, included both spam and non-spam.
       */
      db_query("CREATE TABLE {spam_tracker} (\n\tsid serial PRIMARY KEY,\n\tcontent_type varchar(128) NOT NULL default '',\n\tcontent_id integer NOT NULL default 0,\n\tscore integer NOT NULL default 0,\n\thostname varchar(15) NOT NULL default '',\n\ttimestamp integer NOT NULL default 0,\n\tCONSTRAINT spam_tracker_u UNIQUE(content_id,content_type)\n      );");
      db_query("CREATE INDEX {spam_tracker}_u_key ON {spam_tracker} (content_id,content_type);");
      db_query("CREATE INDEX {spam_tracker}_content_type_key ON {spam_tracker} (content_type);");
      db_query("CREATE INDEX {spam_tracker}_score_key ON {spam_tracker} (score);");
      db_query("CREATE INDEX {spam_tracker}_hostname_key ON {spam_tracker} (hostname);");
      db_query("CREATE INDEX {spam_tracker}_timestamp_key ON {spam_tracker} (timestamp);");

      /**
       *
       */
      db_query("CREATE TABLE {spam_filters_errors} (\n\tbid serial PRIMARY KEY,\n\tcontent_type varchar(128) NOT NULL default '',\n\tcontent_id integer NOT NULL default 0,\n\tcontent_hash char(32) NOT NULL default '',\n        content text NOT NULL,\n        feedback text NOT NULL,\n\thostname varchar(15) NOT NULL default '',\n\ttimestamp integer NOT NULL default 0,\n\tCONSTRAINT spam_filters_errors_u1 UNIQUE(content_id,content_type),\n\tCONSTRAINT spam_filters_errors_u2 UNIQUE(content_hash)\n      );");
      db_query("CREATE INDEX {spam_filters_errors}_content_type_key ON {spam_filters_errors} (content_type);");
      db_query("CREATE INDEX {spam_filters_errors}_content_hash_key ON {spam_filters_errors} (content_hash);");
      db_query("CREATE INDEX {spam_filters_errors}_hostname_key ON {spam_filters_errors} (hostname);");
      db_query("CREATE INDEX {spam_filters_errors}_timestamp_key ON {spam_filters_errors} (timestamp);");

      /**
       * Logging mechanism similar to watchdog, but provides additional
       * information specific to spam tracking.
       */
      db_query("CREATE TABLE {spam_log} (\n\tlid serial PRIMARY KEY,\n        trid integer UNSIGNED NOT NULL DEFAULT '0',\n        level integer UNSIGNED NOT NULL DEFAULT '0',\n\tcontent_type varchar(128) NOT NULL default '',\n\tcontent_id integer NOT NULL default 0,\n\tfunction varchar(255) NOT NULL default '',\n\tuid integer NOT NULL default 0,\n\tmessage varchar(255) NOT NULL default '',\n\ttimestamp integer NOT NULL default 0\n      );");
      db_query("CREATE INDEX {spam_log}_sid_key ON {spam_log} (sid);");
      db_query("CREATE INDEX {spam_log}_trid_key ON {spam_log} (trid);");
      db_query("CREATE INDEX {spam_log}_timestamp_key ON {spam_log} (timestamp);");

      /**
       * Spam statistics.
       */
      db_query("CREATE TABLE {spam_statistics} (\n        stid serial PRIMARY KEY,\n        name varchar(64) NOT NULL DEFAULT '',\n        count integer UNSIGNED NOT NULL DEFAULT '0',\n        timestamp integer UNSIGNED DEFAULT '0',\n\tCONSTRAINT spam_statistics_u UNIQUE(name)\n      );");
      db_query("CREATE INDEX {spam_statistics}_u_key ON {spam_statistics} (name);");
      break;
  }
}

/** 
 * Completely uninstall the spam module.
 */
function spam_uninstall() {
  $tables = array(
    'spam_filters',
    'spam_tracker',
    'spam_log',
    'spam_filters_groups',
    'spam_filters_groups_data',
    'spam_filters_errors',
    'spam_statistics',
  );
  foreach ($tables as $table) {

    // We break out $table, otherwise this query gets misinterpreted.
    db_query('DROP TABLE {' . $table . '}');
  }
  drupal_set_message(t('All spam module tables have been deleted.'));
}

/**
 * When upgrading from the earlier 5.x-1.x versoin of the spam module, we need
 * to skip _5301 through _5305, as they are contained in the _5300 update.  This
 * is because the upgrade process wasn't written until late in the Alpha
 * development of the module.
 */
function spam_skip_update($set = FALSE) {
  static $skip = FALSE;
  if (isset($set)) {
    $skip = TRUE;
  }
  return $skip;
}

/**
 * Upgrade websites that were running old Spam 2.0 modules.
 */
function spam_update_5300() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
    default:
      $tables = array(
        'spam_tracker',
        'spam_log',
        'spam_tokens',
        'spam_custom',
        'spam_reported',
      );
      foreach ($tables as $table) {
        if ($result = db_result(db_query("SHOW TABLES LIKE '%s'", $table))) {
          if ($table == 'spam_log') {
            $ret[] = update_sql('DROP TABLE {' . $table . '}');
          }
          else {
            $ret[] = update_sql('RENAME TABLE {' . $table . '} TO {old_' . $table . '}');
          }
        }
      }

      /**
       * Provides global and granular per-content-type configurations for all
       * enabled spam filters.  The status allows a filter to be enabled or
       * disabled.  The weight allows filters to be ordered.  The gain allows
       * you to minimize or amplify the effect of a given filter.
       */
      $ret[] = update_sql("CREATE TABLE {spam_filters} (\n        fid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        gid INT(11) UNSIGNED DEFAULT '0' NOT NULL,\n        name VARCHAR(128) NOT NULL DEFAULT '',\n        module VARCHAR(128) NOT NULL DEFAULT '',\n        status TINYINT UNSIGNED DEFAULT '0' NOT NULL,\n        weight TINYINT DEFAULT '0' NOT NULL,\n        gain TINYINT UNSIGNED DEFAULT '0' NOT NULL,\n        PRIMARY KEY fid (fid),\n        KEY gid (gid),\n        KEY name (name),\n        KEY module (module),\n        KEY status (status),\n        KEY weight (weight)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");
      $ret[] = update_sql("CREATE TABLE {spam_filters_groups} (\n        gid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        name VARCHAR(255) NOT NULL DEFAULT '',\n        weight TINYINT DEFAULT '0' NOT NULL,\n        PRIMARY KEY gid (gid),\n        KEY weight (weight)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");
      $ret[] = update_sql("CREATE TABLE {spam_filters_groups_data} (\n        gid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        content_type VARCHAR(64) NOT NULL DEFAULT '',\n        PRIMARY KEY gid_content_type (gid,content_type),\n        KEY content_type (content_type)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       * Tracks all filtered site content, included both spam and non-spam.
       */
      $ret[] = update_sql("CREATE TABLE {spam_tracker} (\n        sid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        content_type VARCHAR(128) NOT NULL DEFAULT '',\n        content_id INT(11) UNSIGNED DEFAULT '0',\n        score INT(4) UNSIGNED DEFAULT '0',\n        hostname VARCHAR(15) NOT NULL DEFAULT '',\n        timestamp INT(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY sid (sid),\n        UNIQUE KEY content_id_content_type (content_id,content_type),\n        KEY content_type (content_type),\n        KEY score (score),\n        KEY hostname (hostname),\n        KEY timestamp (timestamp)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       *
       */
      $ret[] = update_sql("CREATE TABLE {spam_filters_errors} (\n        bid INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        uid INT(11) UNSIGNED NOT NULL DEFAULT '0',\n        content_type VARCHAR(128) NOT NULL DEFAULT '',\n        content_id INT(11) UNSIGNED DEFAULT '0',\n        content_hash CHAR(32) NOT NULL DEFAULT '',\n        content TEXT NOT NULL,\n        form TEXT NOT NULL,\n        feedback TEXT NOT NULL,\n        hostname VARCHAR(15) NOT NULL DEFAULT '',\n        timestamp INT(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY bid (bid),\n        KEY id_type (content_id,content_type),\n        UNIQUE KEY content_hash (content_hash),\n        KEY content_type (content_type),\n        KEY hostname (hostname),\n        KEY timestamp (timestamp)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       * Logging mechanism similar to watchdog, but provides additional
       * information specific to spam tracking.
       */
      $ret[] = update_sql("CREATE TABLE {spam_log} (\n        lid int(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        trid int(11) UNSIGNED NOT NULL DEFAULT '0',\n        level int(2) UNSIGNED NOT NULL DEFAULT '0',\n        content_type VARCHAR(128) NULL DEFAULT '',\n        content_id INT(11) UNSIGNED DEFAULT '0',\n        uid int(10) UNSIGNED NOT NULL DEFAULT '0',\n        function varchar(255) NOT NULL DEFAULT '',\n        message varchar(255) NOT NULL DEFAULT '',\n        hostname VARCHAR(15) NOT NULL DEFAULT '',\n        timestamp int(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY lid (lid),\n        KEY trid (trid),\n        KEY content_type_content_id (content_type, content_id),\n        KEY message (message),\n        KEY uid (uid),\n        KEY hostname (hostname),\n        KEY timestamp (timestamp)\n      ) TYPE=MyISAM /*!40100 DEFAULT CHARACTER SET utf8 */;");

      /**
       * Spam statistics.
       */
      $ret[] = update_sql("CREATE TABLE {spam_statistics} (\n        stid int(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        name varchar(64) NOT NULL DEFAULT '',\n        count int(11) UNSIGNED NOT NULL DEFAULT '0',\n        timestamp int(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY stid (stid),\n        UNIQUE KEY name (name)\n      ) TYPE=MyISAM /* 40100 DEFAULT CHARACTER SET utf8 */;");

      // Extract data from old_spam_tracker table, then drop.
      $result = db_query('SELECT * FROM {old_spam_tracker}');
      while ($spam = db_fetch_object($result)) {
        $ret[] = update_sql("INSERT INTO {spam_tracker} (content_type, content_id, score, hostname, timestamp) VALUES('{$spam->source}', {$spam->id}, {$spam->probability}, '{$spam->hostname}', {$spam->timestamp})");
      }
      $ret[] = update_sql('DROP TABLE {old_spam_tracker}');
      spam_skip_update(TRUE);
      break;
  }
  return $ret;
}

/**
 * Add trid field to spam_log table.
 */
function spam_update_5301() {

  // Update contontained in _5300 if updating from 5.x-1.x spam module.
  if (spam_skip_update()) {
    return array();
  }
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
    default:
      $ret[] = update_sql("ALTER TABLE {spam_log} ADD trid int(11) UNSIGNED NOT NULL DEFAULT '0' AFTER lid");
      $ret[] = update_sql("ALTER TABLE {spam_log} ADD INDEX trid (trid)");
      break;
    case 'pgsql':
      db_add_column($ret, 'spam_log', 'trid', 'int', array(
        'not null' => TRUE,
        'default' => "'0'",
      ));
      $ret[] = update_sql("CREATE INDEX {spam_log}_trid_key ON {spam_log} (trid);");
      break;
  }
  return $ret;
}

/**
 * Introduce spam_statistics table.
 */
function spam_update_5302() {

  // Update contontained in _5300 if updating from 5.x-1.x spam module.
  if (spam_skip_update()) {
    return array();
  }
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
    default:
      $ret[] = update_sql("CREATE TABLE {spam_statistics} (\n        stid int(11) UNSIGNED NOT NULL AUTO_INCREMENT,\n        name varchar(64) NOT NULL DEFAULT '',\n        count int(11) UNSIGNED NOT NULL DEFAULT '0',\n        timestamp int(11) UNSIGNED DEFAULT '0',\n        PRIMARY KEY stid (stid),\n        UNIQUE KEY name (name)\n      ) TYPE=MyISAM /* 40100 DEFAULT CHARACTER SET utf8 */;");
      break;
    case 'pgsql':
      $ret[] = update_sql("CREATE TABLE {spam_statistics} (\n        stid serial PRIMARY KEY,\n        name varchar(64) NOT NULL DEFAULT '',\n        count integer UNSIGNED NOT NULL DEFAULT '0',\n        timestamp integer UNSIGNED DEFAULT '0',\n\tCONSTRAINT spam_statistics_u UNIQUE(name)\n      );");
      $ret[] = update_sql("CREATE INDEX {spam_statistics}_u_key ON {spam_statistics} (name);");
  }
  return $ret;
}

/**
 * Mark spam comments as SPAM_COMMENT instead of COMMENT_NOT_PUBLISHED.
 */
function spam_update_5303() {

  // Update contontained in _5300 if updating from 5.x-1.x spam module.
  if (spam_skip_update()) {
    return array();
  }
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
    default:
      $result = db_query("SELECT cid FROM {comments} c INNER JOIN {spam_tracker} t ON c.cid = t.content_id wHERE t.content_type = 'comment' AND c.status = %d AND t.score >= %d", COMMENT_NOT_PUBLISHED, variable_get('spam_threshold', SPAM_DEFAULT_THRESHOLD));
      while ($comment = db_fetch_object($result)) {
        $ret[] = update_sql('UPDATE {comments} SET status = ' . SPAM_COMMENT . " WHERE cid = {$comment->cid}");
      }
      break;
  }
  return $ret;
}

/**
 * Add missing index, showed up in my slow query log.
 */
function spam_update_5304() {

  // Update contontained in _5300 if updating from 5.x-1.x spam module.
  if (spam_skip_update()) {
    return array();
  }
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
    default:
      $ret[] = update_sql('ALTER TABLE {spam_log} ADD KEY (message);');
  }
  return $ret;
}

/**
 * Add uid to spam_filters_errors table.
 * Add form to spam_filters_errors table.
 * Update id_type key to not be unique, id can be 0.
 */
function spam_update_5305() {

  // Update contontained in _5300 if updating from 5.x-1.x spam module.
  if (spam_skip_update()) {
    return array();
  }
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
    default:
      $ret[] = update_sql("ALTER TABLE {spam_filters_errors} ADD uid INT(11) UNSIGNED NOT NULL DEFAULT '0'");
      $ret[] = update_sql('ALTER TABLE {spam_filters_errors} ADD form TEXT NOT NULL');
      $ret[] = update_sql('ALTER TABLE {spam_filters_errors} DROP KEY content_id_content_type');
      $ret[] = update_sql('ALTER TABLE {spam_filters_errors} ADD KEY id_type (content_id,content_type)');
      break;
  }
  return $ret;
}
Functions

Name	Description
spam_install
spam_skip_update	When upgrading from the earlier 5.x-1.x versoin of the spam module, we need to skip _5301 through _5305, as they are contained in the _5300 update. This is because the upgrade process wasn't written until late in the Alpha development of the module.
spam_uninstall	Completely uninstall the spam module.
spam_update_5300	Upgrade websites that were running old Spam 2.0 modules.
spam_update_5301	Add trid field to spam_log table.
spam_update_5302	Introduce spam_statistics table.
spam_update_5303	Mark spam comments as SPAM_COMMENT instead of COMMENT_NOT_PUBLISHED.
spam_update_5304	Add missing index, showed up in my slow query log.
spam_update_5305	Add uid to spam_filters_errors table. Add form to spam_filters_errors table. Update id_type key to not be unique, id can be 0.
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spam.install in Spam 5.3

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