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pgsql: Update bitmap index description: < Such indexes could be more

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Bruce Momjian
 
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Default pgsql: Update bitmap index description: < Such indexes could be more - 11-09-2004 , 09:11 AM






Log Message:
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Update bitmap index description:

< Such indexes could be more compact if there are only a few unique values.
Quote:
Such indexes could be more compact if there are only a few distinct values.
Such indexes can also be compressed. Keeping such indexes updated can be
costly.
Modified Files:
--------------
pgsql/doc:
TODO (r1.1392 -> r1.1393)
(http://developer.postgresql.org/cvsw...1392&r2=1.1393)

---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match



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