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Commitd89335e

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Doc: remove long-obsolete advice about generated constraint names.
It's been twenty years since we generated constraint names thatlook like "$N". So this advice about double-quoting such namesis well past its sell-by date, and now it merely seems confusing.Reported-by: Yaroslav Saburov <y.saburov@gmail.com>Author: "David G. Johnston" <david.g.johnston@gmail.com>Discussion:https://postgr.es/m/174393459040.678.17810152410419444783@wrigleys.postgresql.orgBackpatch-through: 13
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‎doc/src/sgml/ddl.sgml

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@@ -1764,9 +1764,6 @@ ALTER TABLE products ALTER COLUMN product_no SET NOT NULL;
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<programlisting>
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ALTER TABLE products DROP CONSTRAINT some_name;
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</programlisting>
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(If you are dealing with a generated constraint name like <literal>$2</literal>,
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don't forget that you'll need to double-quote it to make it a valid
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identifier.)
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</para>
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<para>

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