docs: add JSONB containment example of a key and empty object
authorBruce Momjian <bruce@momjian.us>
Wed, 7 Oct 2015 14:30:54 +0000 (10:30 -0400)
committerBruce Momjian <bruce@momjian.us>
Wed, 7 Oct 2015 14:30:54 +0000 (10:30 -0400)
commitc86555fc80bbbf276de42f43761991212b713575
tree1559f9d4f9fe586ff755a5f15df2ca7b88fd08fb
parent9445a1cd3cc6dfae3644e2fe95da77046b507491
docs:  add JSONB containment example of a key and empty object

Backpatch through 9.5
doc/src/sgml/json.sgml