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222 lines
6.6 KiB
Plaintext
222 lines
6.6 KiB
Plaintext
# 2016 June 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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# This file implements regression tests for SQLite library. The
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# focus of this file is testing "(...) IN (SELECT ...)" expressions
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# where the SELECT statement returns more than one column.
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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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set ::testprefix rowvalue3
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do_execsql_test 1.0 {
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CREATE TABLE t1(a, b, c);
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CREATE INDEX i1 ON t1(a, b);
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INSERT INTO t1 VALUES(1, 2, 3);
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INSERT INTO t1 VALUES(4, 5, 6);
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INSERT INTO t1 VALUES(7, 8, 9);
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}
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foreach {tn sql res} {
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1 "SELECT 1 WHERE (4, 5) IN (SELECT a, b FROM t1)" 1
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2 "SELECT 1 WHERE (5, 5) IN (SELECT a, b FROM t1)" {}
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3 "SELECT 1 WHERE (5, 4) IN (SELECT a, b FROM t1)" {}
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4 "SELECT 1 WHERE (5, 4) IN (SELECT b, a FROM t1)" 1
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5 "SELECT 1 WHERE (SELECT a, b FROM t1 WHERE c=6) IN (SELECT a, b FROM t1)" 1
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6 "SELECT (5, 4) IN (SELECT a, b FROM t1)" 0
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7 "SELECT 1 WHERE (5, 4) IN (SELECT +b, +a FROM t1)" 1
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8 "SELECT (5, 4) IN (SELECT +b, +a FROM t1)" 1
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9 "SELECT (1, 2) IN (SELECT rowid, b FROM t1)" 1
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10 "SELECT 1 WHERE (1, 2) IN (SELECT rowid, b FROM t1)" 1
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11 "SELECT 1 WHERE (1, NULL) IN (SELECT rowid, b FROM t1)" {}
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12 "SELECT 1 FROM t1 WHERE (a, b) = (SELECT +a, +b FROM t1)" {1}
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} {
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do_execsql_test 1.$tn $sql $res
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}
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#-------------------------------------------------------------------------
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do_execsql_test 2.0 {
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CREATE TABLE z1(x, y, z);
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CREATE TABLE kk(a, b);
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INSERT INTO z1 VALUES('a', 'b', 'c');
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INSERT INTO z1 VALUES('d', 'e', 'f');
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INSERT INTO z1 VALUES('g', 'h', 'i');
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-- INSERT INTO kk VALUES('y', 'y');
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INSERT INTO kk VALUES('d', 'e');
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-- INSERT INTO kk VALUES('x', 'x');
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}
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foreach {tn idx} {
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1 { }
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2 { CREATE INDEX z1idx ON z1(x, y) }
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3 { CREATE UNIQUE INDEX z1idx ON z1(x, y) }
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4 { CREATE INDEX z1idx ON kk(a, b) }
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} {
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execsql "DROP INDEX IF EXISTS z1idx"
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execsql $idx
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do_execsql_test 2.$tn.1 {
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SELECT * FROM z1 WHERE x IN (SELECT a FROM kk)
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} {d e f}
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do_execsql_test 2.$tn.2 {
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SELECT * FROM z1 WHERE (x,y) IN (SELECT a, b FROM kk)
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} {d e f}
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do_execsql_test 2.$tn.3 {
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SELECT * FROM z1 WHERE (x, +y) IN (SELECT a, b FROM kk)
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} {d e f}
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do_execsql_test 2.$tn.4 {
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SELECT * FROM z1 WHERE (x, +y) IN (SELECT a, b||'x' FROM kk)
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} {}
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do_execsql_test 2.$tn.5 {
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SELECT * FROM z1 WHERE (+x, y) IN (SELECT a, b FROM kk)
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} {d e f}
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}
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#-------------------------------------------------------------------------
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#
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do_execsql_test 3.0 {
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CREATE TABLE c1(a, b, c, d);
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INSERT INTO c1(rowid, a, b) VALUES(1, NULL, 1);
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INSERT INTO c1(rowid, a, b) VALUES(2, 2, NULL);
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INSERT INTO c1(rowid, a, b) VALUES(3, 2, 2);
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INSERT INTO c1(rowid, a, b) VALUES(4, 3, 3);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(101, 'a', 'b', 1, 1);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(102, 'a', 'b', 1, 2);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(103, 'a', 'b', 1, 3);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(104, 'a', 'b', 2, 1);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(105, 'a', 'b', 2, 2);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(106, 'a', 'b', 2, 3);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(107, 'a', 'b', 3, 1);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(108, 'a', 'b', 3, 2);
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INSERT INTO c1(rowid, a, b, c, d) VALUES(109, 'a', 'b', 3, 3);
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}
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foreach {tn idx} {
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1 { }
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2 { CREATE INDEX c1ab ON c1(a, b); }
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3 { CREATE INDEX c1ba ON c1(b, a); }
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4 { CREATE INDEX c1cd ON c1(c, d); }
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5 { CREATE INDEX c1dc ON c1(d, c); }
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} {
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drop_all_indexes
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foreach {tn2 sql res} {
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1 "SELECT (1, 2) IN (SELECT a, b FROM c1)" {0}
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2 "SELECT (1, 1) IN (SELECT a, b FROM c1)" {{}}
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3 "SELECT (2, 1) IN (SELECT a, b FROM c1)" {{}}
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4 "SELECT (2, 2) IN (SELECT a, b FROM c1)" {1}
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5 "SELECT c, d FROM c1 WHERE (c, d) IN (SELECT d, c FROM c1)"
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{ 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3 }
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6 "SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1) ORDER BY c DESC"
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{ 3 1 3 2 3 3 2 1 2 2 2 3 1 1 1 2 1 3 }
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7 {
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SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1)
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ORDER BY c DESC, d ASC
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} { 3 1 3 2 3 3 2 1 2 2 2 3 1 1 1 2 1 3 }
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8 {
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SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1)
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ORDER BY c ASC, d DESC
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} { 1 3 1 2 1 1 2 3 2 2 2 1 3 3 3 2 3 1 }
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9 {
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SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1)
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ORDER BY c ASC, d ASC
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} { 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3 }
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10 {
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SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1)
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ORDER BY c DESC, d DESC
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} { 3 3 3 2 3 1 2 3 2 2 2 1 1 3 1 2 1 1 }
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} {
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do_execsql_test 3.$tn.$tn2 $sql $res
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}
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}
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#-------------------------------------------------------------------------
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do_execsql_test 4.0 {
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CREATE TABLE hh(a, b, c);
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INSERT INTO hh VALUES('a', 'a', 1);
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INSERT INTO hh VALUES('a', 'b', 2);
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INSERT INTO hh VALUES('b', 'a', 3);
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INSERT INTO hh VALUES('b', 'b', 4);
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CREATE TABLE k1(x, y);
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INSERT INTO k1 VALUES('a', 'a');
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INSERT INTO k1 VALUES('b', 'b');
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INSERT INTO k1 VALUES('a', 'b');
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INSERT INTO k1 VALUES('b', 'a');
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}
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foreach {tn idx} {
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1 { }
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2 { CREATE INDEX h1 ON hh(a, b); }
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3 { CREATE UNIQUE INDEX k1idx ON k1(x, y) }
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4 { CREATE UNIQUE INDEX k1idx ON k1(x, y DESC) }
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5 {
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CREATE INDEX h1 ON hh(a, b);
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CREATE UNIQUE INDEX k1idx ON k1(x, y);
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}
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6 {
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CREATE INDEX h1 ON hh(a, b);
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CREATE UNIQUE INDEX k1idx ON k1(x, y DESC);
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}
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} {
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drop_all_indexes
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execsql $idx
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foreach {tn2 orderby res} {
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1 "a ASC, b ASC" {1 2 3 4}
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2 "a ASC, b DESC" {2 1 4 3}
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3 "a DESC, b ASC" {3 4 1 2}
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4 "a DESC, b DESC" {4 3 2 1}
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} {
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do_execsql_test 4.$tn.$tn2 "
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SELECT c FROM hh WHERE (a, b) in (SELECT x, y FROM k1) ORDER BY $orderby
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" $res
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}
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}
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#-------------------------------------------------------------------------
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# 2016-11-17. Query flattening in a vector SELECT on the RHS of an IN
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# operator. Ticket https://www.sqlite.org/src/info/da7841375186386c
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#
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do_execsql_test 5.0 {
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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CREATE TABLE T1(a TEXT);
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INSERT INTO T1(a) VALUES ('aaa');
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CREATE TABLE T2(a TEXT PRIMARY KEY,n INT);
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INSERT INTO T2(a, n) VALUES('aaa',0);
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SELECT * FROM T2
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WHERE (a,n) IN (SELECT T1.a, V.n
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FROM T1, (SELECT * FROM (SELECT 0 n) T3) V);
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} {aaa 0}
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finish_test
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