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textsearch-ja - textsearch_senna: Implements restrict selectivity

From: itagaki(at)pgfoundry(dot)org (User Itagaki)
To: pgsql-committers(at)postgresql(dot)org
Subject: textsearch-ja - textsearch_senna: Implements restrict selectivity
Date: 2009-05-07 09:04:29
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Lists: pgsql-committers
Log Message:
Implements restrict selectivity function for %% and @@ operators.
The result records are cached in planner, and reused in executor.
There are no additonal index scans as long as index scan is used (not seq scan).

Modified Files:
    textsearch_senna: (r1.1 -> r1.2)
        ( (r1.1 -> r1.2)
        ( (r1.1 -> r1.2)
        textsearch_senna.c (r1.4 -> r1.5)
        textsearch_senna.out (r1.2 -> r1.3)
        textsearch_senna.sql (r1.2 -> r1.3)

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