text: -- file:tsearch.sql ln:404 expect:false
  'New York'	new & york | big & apple | nyc
  Moscow	moskva | moscow
  'Sanct Peter'	Peterburg | peter | 'Sanct Peterburg'
  'foo bar qq'	foo & (bar | qq) & city
  1 & (2 <-> 3)	2 <-> 4
  5 <-> 6	5 <-> 7
  \.
  \set ECHO all
  
  ALTER TABLE test_tsquery ADD COLUMN keyword tsquery
  