postgresql/contrib/btree_gist/sql/cash.sql

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2023-05-09 21:11:15 +00:00
-- money check
CREATE TABLE moneytmp (a money);
\copy moneytmp from 'data/cash.data'
SET enable_seqscan=on;
SELECT count(*) FROM moneytmp WHERE a < '22649.64';
SELECT count(*) FROM moneytmp WHERE a <= '22649.64';
SELECT count(*) FROM moneytmp WHERE a = '22649.64';
SELECT count(*) FROM moneytmp WHERE a >= '22649.64';
SELECT count(*) FROM moneytmp WHERE a > '22649.64';
SELECT a, a <-> '21472.79' FROM moneytmp ORDER BY a <-> '21472.79' LIMIT 3;
CREATE INDEX moneyidx ON moneytmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM moneytmp WHERE a < '22649.64'::money;
SELECT count(*) FROM moneytmp WHERE a <= '22649.64'::money;
SELECT count(*) FROM moneytmp WHERE a = '22649.64'::money;
SELECT count(*) FROM moneytmp WHERE a >= '22649.64'::money;
SELECT count(*) FROM moneytmp WHERE a > '22649.64'::money;
EXPLAIN (COSTS OFF)
SELECT a, a <-> '21472.79' FROM moneytmp ORDER BY a <-> '21472.79' LIMIT 3;
SELECT a, a <-> '21472.79' FROM moneytmp ORDER BY a <-> '21472.79' LIMIT 3;