Doc: add a bit to indices.sgml about what is an indexable clause.
authorTom Lane <tgl@sss.pgh.pa.us>
Sun, 17 Dec 2023 21:49:44 +0000 (16:49 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Sun, 17 Dec 2023 21:49:44 +0000 (16:49 -0500)
commitb7412e293b6b3bf9dd02596d6f6be456a0597d58
treeb433a4b6be99343d82b40c3fa1cdba4824d8ce06
parent3c9d9acae0bc0cd2f905043cb1d581baec4622c4
Doc: add a bit to indices.sgml about what is an indexable clause.

We didn't explain this clearly until somewhere deep in the
"Extending SQL" chapter, but really it ought to be mentioned
in the introductory material too.

Discussion: https://postgr.es/m/4097442.1694967650@sss.pgh.pa.us
doc/src/sgml/indices.sgml