How to write a WHERE clause with the '=' operator using db_select()?
db_select('field_revision_field_innostream_state', 'innostream')
  -&gt;fields('innostream')
  -&gt;condition('innostream.field_innostream_state_tid', 187, '=')
  -&gt;range(0,30)
  -&gt;execute()
  -&gt;fetchAssoc();