Incorrect SQL on CREATE INDEX page - Mailing list pgsql-docs

From Josh Kupershmidt
Subject Incorrect SQL on CREATE INDEX page
Date
Msg-id 4ec1cf761003170738m5ec60f66o37676c7c939d0b79@mail.gmail.com
Whole thread Raw
Responses Re: Incorrect SQL on CREATE INDEX page  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-docs
In the "Examples" section of the page for CREATE INDEX:
http://www.postgresql.org/docs/current/static/sql-createindex.html
it says:
   To create a GIN index with fast updates disabled:
   CREATE INDEX gin_idx ON documents_table (locations) WITH (fastupdate = off);

This SQL fails with 'ERROR:  unrecognized parameter "fastupdate"', as
it is missing the USING clause. Correct syntax should be:
    CREATE INDEX gin_idx ON documents_table USING gin(locations) WITH
(fastupdate = off);

Also, a more minor quibble about the same section: the first example says:

    To create a B-tree index on the column title  in the table films:
    CREATE UNIQUE INDEX title_idx ON films (title);

Perhaps the mention of "B-tree" should be omitted here, since "USING
btree" is not actually used in the SQL provided. Or is there an
explicit guarantee that CREATE UNIQUE INDEX will always use a B-Tree
documented somewhere?

Josh

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