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233 lines
6.7 KiB
Plaintext
233 lines
6.7 KiB
Plaintext
# 2014-06-17
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#*************************************************************************
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#
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# This file implements regression tests for SQLite library. The
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# focus of this script is testing automatic index creation logic.
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#
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# This file contains a single real-world test case that was giving
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# suboptimal performance because of over-use of automatic indexes.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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do_execsql_test autoindex2-100 {
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CREATE TABLE t1(
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t1_id largeint,
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did char(9),
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ptime largeint,
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exbyte char(4),
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pe_id int,
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field_id int,
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mass float,
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param10 float,
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param11 float,
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exmass float,
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deviation float,
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trange float,
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vstatus int,
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commit_status int,
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formula char(329),
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tier int DEFAULT 2,
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ssid int DEFAULT 0,
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last_operation largeint DEFAULT 0,
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admin_uuid int DEFAULT 0,
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previous_value float,
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job_id largeint,
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last_t1 largeint DEFAULT 0,
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data_t1 int,
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previous_date largeint DEFAULT 0,
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flg8 int DEFAULT 1,
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failed_fields char(100)
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);
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CREATE INDEX t1x0 on t1 (t1_id);
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CREATE INDEX t1x1 on t1 (ptime, vstatus);
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CREATE INDEX t1x2 on t1 (did, ssid, ptime, vstatus, exbyte, t1_id);
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CREATE INDEX t1x3 on t1 (job_id);
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CREATE TABLE t2(
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did char(9),
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client_did char(30),
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description char(49),
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uid int,
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tzid int,
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privilege int,
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param2 int,
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type char(30),
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subtype char(32),
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dparam1 char(7) DEFAULT '',
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param5 char(3) DEFAULT '',
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notional float DEFAULT 0.000000,
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create_time largeint,
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sample_time largeint DEFAULT 0,
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param6 largeint,
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frequency int,
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expiration largeint,
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uw_status int,
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next_sample largeint,
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last_sample largeint,
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reserve1 char(29) DEFAULT '',
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reserve2 char(29) DEFAULT '',
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reserve3 char(29) DEFAULT '',
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bxcdr char(19) DEFAULT 'XY',
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ssid int DEFAULT 1,
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last_t1_id largeint,
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reserve4 char(29) DEFAULT '',
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reserve5 char(29) DEFAULT '',
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param12 int DEFAULT 0,
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long_did char(100) DEFAULT '',
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gr_code int DEFAULT 0,
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drx char(100) DEFAULT '',
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parent_id char(9) DEFAULT '',
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param13 int DEFAULT 0,
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position float DEFAULT 1.000000,
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client_did3 char(100) DEFAULT '',
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client_did4 char(100) DEFAULT '',
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dlib_id char(9) DEFAULT ''
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);
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CREATE INDEX t2x0 on t2 (did);
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CREATE INDEX t2x1 on t2 (client_did);
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CREATE INDEX t2x2 on t2 (long_did);
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CREATE INDEX t2x3 on t2 (uid);
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CREATE INDEX t2x4 on t2 (param2);
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CREATE INDEX t2x5 on t2 (type);
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CREATE INDEX t2x6 on t2 (subtype);
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CREATE INDEX t2x7 on t2 (last_sample);
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CREATE INDEX t2x8 on t2 (param6);
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CREATE INDEX t2x9 on t2 (frequency);
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CREATE INDEX t2x10 on t2 (privilege);
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CREATE INDEX t2x11 on t2 (sample_time);
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CREATE INDEX t2x12 on t2 (notional);
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CREATE INDEX t2x13 on t2 (tzid);
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CREATE INDEX t2x14 on t2 (gr_code);
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CREATE INDEX t2x15 on t2 (parent_id);
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CREATE TABLE t3(
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uid int,
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param3 int,
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uuid int,
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acc_id int,
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cust_num int,
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numerix_id int,
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pfy char(29),
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param4 char(29),
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param15 int DEFAULT 0,
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flg7 int DEFAULT 0,
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param21 int DEFAULT 0,
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bxcdr char(2) DEFAULT 'PC',
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c31 int DEFAULT 0,
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c33 int DEFAULT 0,
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c35 int DEFAULT 0,
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c37 int,
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mgr_uuid int,
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back_up_uuid int,
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priv_mars int DEFAULT 0,
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is_qc int DEFAULT 0,
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c41 int DEFAULT 0,
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deleted int DEFAULT 0,
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c47 int DEFAULT 1
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);
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CREATE INDEX t3x0 on t3 (uid);
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CREATE INDEX t3x1 on t3 (param3);
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CREATE INDEX t3x2 on t3 (uuid);
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CREATE INDEX t3x3 on t3 (acc_id);
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CREATE INDEX t3x4 on t3 (param4);
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CREATE INDEX t3x5 on t3 (pfy);
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CREATE INDEX t3x6 on t3 (is_qc);
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SELECT count(*) FROM sqlite_master;
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} {30}
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do_execsql_test autoindex2-110 {
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ANALYZE sqlite_master;
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INSERT INTO sqlite_stat1 VALUES('t1','t1x3','10747267 260');
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INSERT INTO sqlite_stat1 VALUES('t1','t1x2','10747267 121 113 2 2 2 1');
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INSERT INTO sqlite_stat1 VALUES('t1','t1x1','10747267 50 40');
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INSERT INTO sqlite_stat1 VALUES('t1','t1x0','10747267 1');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x15','39667 253');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x14','39667 19834');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x13','39667 13223');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x12','39667 7');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x11','39667 17');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x10','39667 19834');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x9','39667 7934');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x8','39667 11');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x7','39667 5');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x6','39667 242');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x5','39667 1984');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x4','39667 4408');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x3','39667 81');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x2','39667 551');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x1','39667 2');
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INSERT INTO sqlite_stat1 VALUES('t2','t2x0','39667 1');
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INSERT INTO sqlite_stat1 VALUES('t3','t3x6','569 285');
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INSERT INTO sqlite_stat1 VALUES('t3','t3x5','569 2');
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INSERT INTO sqlite_stat1 VALUES('t3','t3x4','569 2');
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INSERT INTO sqlite_stat1 VALUES('t3','t3x3','569 5');
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INSERT INTO sqlite_stat1 VALUES('t3','t3x2','569 3');
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INSERT INTO sqlite_stat1 VALUES('t3','t3x1','569 6');
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INSERT INTO sqlite_stat1 VALUES('t3','t3x0','569 1');
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ANALYZE sqlite_master;
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} {}
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do_execsql_test autoindex2-120 {
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EXPLAIN QUERY PLAN
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SELECT
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t1_id,
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t1.did,
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param2,
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param3,
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t1.ptime,
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t1.trange,
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t1.exmass,
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t1.mass,
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t1.vstatus,
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type,
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subtype,
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t1.deviation,
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t1.formula,
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dparam1,
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reserve1,
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reserve2,
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param4,
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t1.last_operation,
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t1.admin_uuid,
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t1.previous_value,
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t1.job_id,
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client_did,
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t1.last_t1,
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t1.data_t1,
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t1.previous_date,
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param5,
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param6,
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mgr_uuid
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FROM
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t1,
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t2,
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t3
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WHERE
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t1.ptime > 1393520400
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AND param3<>9001
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AND t3.flg7 = 1
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AND t1.did = t2.did
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AND t2.uid = t3.uid
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ORDER BY t1.ptime desc LIMIT 500;
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} {~/AUTO/}
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#
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# ^^^--- Before being fixed, the above was using an automatic covering
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# on t3 and reordering the tables so that t3 was in the outer loop and
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# implementing the ORDER BY clause using a B-Tree.
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#
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# This test is sanitized data received from a user. The original unsanitized
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# data and STAT4 data is found in the th3private test repository. See one of
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# the th3private check-ins on 2016-02-25. The test is much more accurate when
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# STAT4 data is used.
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finish_test
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