-- CheckUser log table
-- vim: autoindent syn=mysql sts=2 sw=2

CREATE TABLE /*_*/cu_log (
  -- Unique identifier
  cul_id int unsigned not null primary key auto_increment,

  -- Timestamp of CheckUser action
  cul_timestamp binary(14) not null,

  -- User who performed the action
  cul_user int unsigned not null,
  cul_user_text varchar(255) binary not null,

  -- Reason given
  cul_reason varchar(255) binary not null,

  -- String indicating the type of query, may be:
  -- "useredits", "userips", "ipedits", "ipusers", "ipedits-xff", "ipusers-xff"
  -- or "investigate" if the check was performed from Special:Investigate
  cul_type varbinary(30) not null,

  -- Integer target, interpretation depends on cul_type
  -- For username targets, this is the user_id
  cul_target_id int unsigned not null default 0,

  -- Text target, interpretation depends on cul_type
  cul_target_text blob not null,

  -- If the target was an IP address, this contains the hexadecimal form of the IP
  cul_target_hex varbinary(255) not null default '',
  -- If the target was an IP range, these fields contain the start and end, in hex form
  cul_range_start varbinary(255) not null default '',
  cul_range_end varbinary(255) not null default ''
) /*$wgDBTableOptions*/;

CREATE INDEX /*i*/cul_user ON /*_*/cu_log (cul_user, cul_timestamp);
CREATE INDEX /*i*/cul_type_target ON /*_*/cu_log (cul_type,cul_target_id, cul_timestamp);
CREATE INDEX /*i*/cul_target_hex ON /*_*/cu_log (cul_target_hex, cul_timestamp);
CREATE INDEX /*i*/cul_range_start ON /*_*/cu_log (cul_range_start, cul_timestamp);
CREATE INDEX /*i*/cul_timestamp ON /*_*/cu_log (cul_timestamp);