Improve performance for sub SELECT

GitHub: fix #55 Set RESTRICT and JOIN attributes of operators. Reported by tedypranolo. Thanks!!!
pgroonga · Oct 19, 2017 · dc4ed2f · dc4ed2f
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commit dc4ed2f
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diff --git a/data/pgroonga--2.0.2--2.0.3.sql b/data/pgroonga--2.0.2--2.0.3.sql
@@ -0,0 +1,7 @@
+-- Set RESTRICT and JOIN
+UPDATE pg_catalog.pg_operator
+   SET oprrest = 'contsel',
+       oprjoin = 'contjoinsel'
+ WHERE oprcode::text LIKE 'pgroonga_%' OR
+       oprcode::text LIKE 'public.pgroonga_%' OR
+       oprcode::text LIKE 'pgroonga.%';