Extension:OpenID Connect/openid connect table

The OpenID Connect extension needs an extra database table to store extra user information. This is the database schema used to create the table:

CREATE TABLE /*_*/openid_connect (
  oidc_user INT UNSIGNED NOT NULL,
  oidc_subject TINYBLOB NOT NULL,
  oidc_issuer TINYBLOB NOT NULL,
  INDEX openid_connect_subject (
    oidc_subject(50),
    oidc_issuer(50)
  ),
  PRIMARY KEY(oidc_user)
) /*$wgDBTableOptions*/;