Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/distinctagg.test
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testdata/tcl/distinctagg.test
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# 2005 September 11
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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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# This file implements regression tests for SQLite library. The
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# focus of this script is the DISTINCT modifier on aggregate functions.
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#
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# $Id: distinctagg.test,v 1.3 2009/02/09 13:19:28 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix distinctagg
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do_test distinctagg-1.1 {
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execsql {
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CREATE TABLE t1(a,b,c);
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INSERT INTO t1 VALUES(1,2,3);
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INSERT INTO t1 VALUES(1,3,4);
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INSERT INTO t1 VALUES(1,3,5);
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SELECT count(distinct a),
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count(distinct b),
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count(distinct c),
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count(all a) FROM t1;
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}
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} {1 2 3 3}
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do_test distinctagg-1.2 {
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execsql {
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SELECT b, count(distinct c) FROM t1 GROUP BY b
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}
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} {2 1 3 2}
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do_test distinctagg-1.3 {
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execsql {
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INSERT INTO t1 SELECT a+1, b+3, c+5 FROM t1;
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INSERT INTO t1 SELECT a+2, b+6, c+10 FROM t1;
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INSERT INTO t1 SELECT a+4, b+12, c+20 FROM t1;
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SELECT count(*), count(distinct a), count(distinct b) FROM t1
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}
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} {24 8 16}
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do_test distinctagg-1.4 {
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execsql {
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SELECT a, count(distinct c) FROM t1 GROUP BY a ORDER BY a
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}
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} {1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3}
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do_test distinctagg-2.1 {
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catchsql {
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SELECT count(distinct) FROM t1;
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}
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} {1 {DISTINCT aggregates must have exactly one argument}}
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do_test distinctagg-2.2 {
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catchsql {
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SELECT group_concat(distinct a,b) FROM t1;
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}
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} {1 {DISTINCT aggregates must have exactly one argument}}
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#--------------------------------------------------------------------------
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reset_db
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do_execsql_test 3.0 {
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CREATE TABLE t1(a, b, c);
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CREATE TABLE t2(d, e, f);
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INSERT INTO t1 VALUES (1, 1, 1);
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INSERT INTO t1 VALUES (2, 2, 2);
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INSERT INTO t1 VALUES (3, 3, 3);
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INSERT INTO t1 VALUES (4, 1, 4);
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INSERT INTO t1 VALUES (5, 2, 1);
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INSERT INTO t1 VALUES (5, 3, 2);
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INSERT INTO t1 VALUES (4, 1, 3);
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INSERT INTO t1 VALUES (3, 2, 4);
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INSERT INTO t1 VALUES (2, 3, 1);
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INSERT INTO t1 VALUES (1, 1, 2);
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INSERT INTO t2 VALUES('a', 'a', 'a');
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INSERT INTO t2 VALUES('b', 'b', 'b');
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INSERT INTO t2 VALUES('c', 'c', 'c');
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CREATE INDEX t1a ON t1(a);
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CREATE INDEX t1bc ON t1(b, c);
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}
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foreach {tn use_eph sql res} {
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1 0 "SELECT count(DISTINCT a) FROM t1" 5
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2 0 "SELECT count(DISTINCT b) FROM t1" 3
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3 1 "SELECT count(DISTINCT c) FROM t1" 4
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4 0 "SELECT count(DISTINCT c) FROM t1 WHERE b=3" 3
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5 0 "SELECT count(DISTINCT rowid) FROM t1" 10
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6 0 "SELECT count(DISTINCT a) FROM t1, t2" 5
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7 0 "SELECT count(DISTINCT a) FROM t2, t1" 5
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8 1 "SELECT count(DISTINCT a+b) FROM t1, t2, t2, t2" 6
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9 0 "SELECT count(DISTINCT c) FROM t1 WHERE c=2" 1
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10 1 "SELECT count(DISTINCT t1.rowid) FROM t1, t2" 10
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} {
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do_test 3.$tn.1 {
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set prg [db eval "EXPLAIN $sql"]
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set idx [lsearch $prg OpenEphemeral]
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expr {$idx>=0}
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} $use_eph
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do_execsql_test 3.$tn.2 $sql $res
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}
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do_execsql_test 3.10 {
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SELECT a, count(DISTINCT b) FROM t1 GROUP BY a;
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} {
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1 1 2 2 3 2 4 1 5 2
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}
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#--------------------------------------------------------------------------
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reset_db
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do_execsql_test 3.0 {
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CREATE TABLE t1(a, b, c);
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CREATE INDEX t1a ON t1(a);
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CREATE INDEX t1bc ON t1(b, c);
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INSERT INTO t1 VALUES(1, 'A', 1);
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INSERT INTO t1 VALUES(1, 'A', 1);
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INSERT INTO t1 VALUES(2, 'A', 2);
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INSERT INTO t1 VALUES(2, 'A', 2);
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INSERT INTO t1 VALUES(1, 'B', 1);
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INSERT INTO t1 VALUES(2, 'B', 2);
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INSERT INTO t1 VALUES(3, 'B', 3);
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INSERT INTO t1 VALUES(NULL, 'B', NULL);
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INSERT INTO t1 VALUES(NULL, 'C', NULL);
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INSERT INTO t1 VALUES('d', 'D', 'd');
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CREATE TABLE t2(d, e, f);
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CREATE INDEX t2def ON t2(d, e, f);
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INSERT INTO t2 VALUES(1, 1, 'a');
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INSERT INTO t2 VALUES(1, 1, 'a');
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INSERT INTO t2 VALUES(1, 2, 'a');
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INSERT INTO t2 VALUES(1, 2, 'a');
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INSERT INTO t2 VALUES(1, 2, 'b');
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INSERT INTO t2 VALUES(1, 3, 'b');
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INSERT INTO t2 VALUES(1, 3, 'a');
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INSERT INTO t2 VALUES(1, 3, 'b');
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INSERT INTO t2 VALUES(2, 3, 'x');
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INSERT INTO t2 VALUES(2, 3, 'y');
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INSERT INTO t2 VALUES(2, 3, 'z');
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CREATE TABLE t3(x, y, z);
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INSERT INTO t3 VALUES(1,1,1);
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INSERT INTO t3 VALUES(2,2,2);
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}
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foreach {tn use_eph sql res} {
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1 0 "SELECT count(DISTINCT c) FROM t1 GROUP BY b" {2 3 0 1}
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2 1 "SELECT count(DISTINCT a) FROM t1 GROUP BY b" {2 3 0 1}
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3 1 "SELECT count(DISTINCT a) FROM t1 GROUP BY b+c" {0 1 1 1 1}
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4 0 "SELECT count(DISTINCT f) FROM t2 GROUP BY d, e" {1 2 2 3}
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5 1 "SELECT count(DISTINCT f) FROM t2 GROUP BY d" {2 3}
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6 0 "SELECT count(DISTINCT f) FROM t2 WHERE d IS 1 GROUP BY e" {1 2 2}
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} {
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do_test 4.$tn.1 {
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set prg [db eval "EXPLAIN $sql"]
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set idx [lsearch $prg OpenEphemeral]
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expr {$idx>=0}
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} $use_eph
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do_execsql_test 4.$tn.2 $sql $res
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}
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set t3root [db one {SELECT rootpage FROM sqlite_schema WHERE name='t3'}]
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foreach {tn use_t3 sql res} {
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1 1 "SELECT count(*) FROM t3" 2
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2 0 "SELECT count(*) FROM t1" 10
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2 1 "SELECT count(DISTINCT a) FROM t1, t3" 4
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3 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3" 4
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4 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3 WHERE t3.x=1" 4
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5 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3 WHERE t3.x=0" 0
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6 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3 ON (t3.x=0)" 4
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7 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3" 2
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8 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3 WHERE t3.x=1" 1
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9 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3 WHERE t3.x=0" 0
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10 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3 ON (t3.x=0)" 0
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} {
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unset -nocomplain a
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do_test 5.$tn.1 {
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set bUse 0
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db eval "EXPLAIN $sql" a {
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if {$a(opcode)=="OpenRead" && $a(p2)==$t3root} {set bUse 1}
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}
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set bUse
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} $use_t3
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do_execsql_test 5.$tn.2 $sql $res
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}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 6.0 {
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CREATE TABLE t1(a, b);
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CREATE TABLE t2(c, d);
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INSERT INTO t1 VALUES(123,456);
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INSERT INTO t2 VALUES(123,456);
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}
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do_execsql_test 6.1 {
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SELECT count(DISTINCT c) FROM t1 LEFT JOIN t2;
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} {1}
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do_execsql_test 7.0 {
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CREATE TABLE v1 ( v2 UNIQUE, v3 AS( TYPEOF ( NULL ) ) UNIQUE );
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SELECT COUNT ( DISTINCT TRUE ) FROM v1 GROUP BY likelihood ( v3 , 0.100000 );
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}
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finish_test
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