pgsql: Fix ginint4_queryextract() to actually do what it was intended to

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От tgl@postgresql.org (Tom Lane)
Тема pgsql: Fix ginint4_queryextract() to actually do what it was intended to
Дата
Msg-id 20100325155022.3E6BD7541D0@cvs.postgresql.org
обсуждение исходный текст
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Log Message:
-----------
Fix ginint4_queryextract() to actually do what it was intended to do for an
unsatisfiable query, such as indexcol && empty_array.  It should return -1
to tell GIN no scan is required; but silly typo disabled the logic for that,
resulting in unnecessary "GIN indexes do not support whole-index scans" error.
Per bug report from Jeff Trout.

Back-patch to 8.3 where the logic was introduced.

Tags:
----
REL8_3_STABLE

Modified Files:
--------------
    pgsql/contrib/intarray:
        _int_gin.c (r1.5 -> r1.5.2.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/intarray/_int_gin.c?r1=1.5&r2=1.5.2.1)

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