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authorChristian Grothoff <christian@grothoff.org>2011-05-06 12:25:50 +0000
committerChristian Grothoff <christian@grothoff.org>2011-05-06 12:25:50 +0000
commitb9362adab3bced778d54c4c83d6fdd9305ce52c7 (patch)
treef868c9f1263d3f301ab9fedbff9f1d5fe8b8419f /src/datastore/selectrandom.sql
parentf9e4b3c6a514c33aa4301e49723cc52757a254e1 (diff)
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Diffstat (limited to 'src/datastore/selectrandom.sql')
-rw-r--r--src/datastore/selectrandom.sql9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/datastore/selectrandom.sql b/src/datastore/selectrandom.sql
new file mode 100644
index 000000000..82830a13a
--- /dev/null
+++ b/src/datastore/selectrandom.sql
@@ -0,0 +1,9 @@
1select *
2from (select random() as v from (values(1))) t1,
3 (select max(repl) as m from data) t2,
4 (select * from data
5 where repl=t2.m and
6 rnd>=t.v
7 order by rnd
8 limit 1)
9