docs: add JSONB containment example of a key and empty object
Backpatch through 9.5
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/b292ee79a6bc8a1a6610181fcdc2c4092c82eaf2
Modified Files
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doc/src/sgml/json.sgml | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)