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authorTom Lane <tgl@sss.pgh.pa.us>2021-04-30 15:37:56 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2021-04-30 15:37:56 -0400
commite6f9539dc32473793c03cbe95bc099ee0a199c73 (patch)
treeeac9ecc578e08f4e57f7430be213dcfcf97eef2b /src/backend/utils/adt/tsquery.c
parent386e64ea5abf346d887c21ea8869317838ba19b5 (diff)
downloadpostgresql-e6f9539dc32473793c03cbe95bc099ee0a199c73.tar.gz
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Doc: add an example of a self-referential foreign key to ddl.sgml.
While we've always allowed such cases, the documentation didn't say you could do it. Discussion: https://postgr.es/m/161969805833.690.13680986983883602407@wrigleys.postgresql.org
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