Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/autoindex4.test
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testdata/tcl/autoindex4.test
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# 2014-10-24
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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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# and specifically creation of automatic partial 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 autoindex4-1.0 {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(123,'abc'),(234,'def'),(234,'ghi'),(345,'jkl');
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CREATE TABLE t2(x,y);
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INSERT INTO t2 VALUES(987,'zyx'),(654,'wvu'),(987,'rqp');
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SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=987 ORDER BY +b;
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} {234 def 987 rqp | 234 def 987 zyx | 234 ghi 987 rqp | 234 ghi 987 zyx |}
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do_execsql_test autoindex4-1.1 {
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SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=555;
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} {}
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do_execsql_test autoindex4-1.2 {
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SELECT *, '|' FROM t1 LEFT JOIN t2 ON a=234 AND x=555;
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} {123 abc {} {} | 234 def {} {} | 234 ghi {} {} | 345 jkl {} {} |}
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do_execsql_test autoindex4-1.2-rj {
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SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 ON a=234 AND x=555;
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} {123 abc {} {} | 234 def {} {} | 234 ghi {} {} | 345 jkl {} {} |}
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do_execsql_test autoindex4-1.3 {
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SELECT *, '|' FROM t1 LEFT JOIN t2 ON x=555 WHERE a=234;
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} {234 def {} {} | 234 ghi {} {} |}
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do_execsql_test autoindex4-1.3-rj {
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SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 ON x=555 WHERE a=234;
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} {234 def {} {} | 234 ghi {} {} |}
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do_execsql_test autoindex4-1.4 {
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SELECT *, '|' FROM t1 LEFT JOIN t2 WHERE a=234 AND x=555;
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} {}
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do_execsql_test autoindex4-1.4-rj {
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SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 WHERE a=234 AND x=555;
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} {}
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do_execsql_test autoindex4-2.0 {
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CREATE TABLE t3(e,f);
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INSERT INTO t3 VALUES(123,654),(555,444),(234,987);
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SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|'
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FROM t3
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ORDER BY rowid;
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} {1 123 654 | 0 555 444 | 4 234 987 |}
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# Ticket [2326c258d02ead33d]
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# Two joins, one with and the other without an ORDER BY clause.
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# The one without ORDER BY correctly returns two rows of result.
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# The one with ORDER BY returns no rows.
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#
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do_execsql_test autoindex4-3.0 {
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CREATE TABLE A(Name text);
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CREATE TABLE Items(ItemName text , Name text);
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INSERT INTO Items VALUES('Item1','Parent');
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INSERT INTO Items VALUES('Item2','Parent');
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CREATE TABLE B(Name text);
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SELECT Items.ItemName
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FROM Items
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LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
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LEFT JOIN B ON (B.Name = Items.ItemName)
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WHERE Items.Name = 'Parent'
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ORDER BY Items.ItemName;
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} {Item1 Item2}
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do_execsql_test autoindex4-3.1 {
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SELECT Items.ItemName
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FROM A
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RIGHT JOIN Items ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
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LEFT JOIN B ON (B.Name = Items.ItemName)
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WHERE Items.Name = 'Parent'
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ORDER BY Items.ItemName;
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} {Item1 Item2}
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do_execsql_test autoindex4-3.10 {
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CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy';
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SELECT Items.ItemName
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FROM Items
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LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
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LEFT JOIN B ON (B.Name = Items.ItemName)
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WHERE Items.Name = 'Parent'
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ORDER BY Items.ItemName;
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} {Item1 Item2}
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do_execsql_test autoindex4-3.11 {
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SELECT Items.ItemName
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FROM A
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RIGHT JOIN Items ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
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LEFT JOIN B ON (B.Name = Items.ItemName)
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WHERE Items.Name = 'Parent'
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ORDER BY Items.ItemName;
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} {Item1 Item2}
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# 2021-11-30 - Enhancement to help the automatic index mechanism to
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# create a partial index more often.
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#
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unset -nocomplain id data1 data2 jointype onclause whereclause answer
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foreach {id data1 data2 jointype onclause whereclause answer} {
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1
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VALUES(1,2),(3,4)
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VALUES(1,2),(3,4)
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{LEFT JOIN}
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a=x
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{y=4 OR y IS NULL}
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{3 4 3 4}
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2
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VALUES(1,2),(3,4)
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VALUES(1,2),(3,4)
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{LEFT JOIN}
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{a=x AND y=4}
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{coalesce(y,4)==4}
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{1 2 {} {} 3 4 3 4}
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3
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VALUES(1,2),(3,4)
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VALUES(1,2),(3,4)
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{JOIN}
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{a=x}
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{y=4 OR y IS NULL}
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{3 4 3 4}
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4
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VALUES(1,2),(3,4)
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VALUES(1,2),(3,4)
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{JOIN}
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{a=x AND y=4}
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{coalesce(y,4)==4}
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{3 4 3 4}
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5
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VALUES(1,2),(3,4),(NULL,4)
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VALUES(1,2),(3,4)
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{LEFT JOIN}
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a=x
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{y=4 OR y IS NULL}
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{3 4 3 4 {} 4 {} {}}
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6
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VALUES(1,2),(3,4)
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VALUES(1,2),(3,4),(NULL,4)
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{LEFT JOIN}
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{a=x AND y=4}
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{coalesce(y,4)==4}
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{1 2 {} {} 3 4 3 4}
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7
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VALUES(1,2),(3,4),(NULL,4)
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VALUES(1,2),(3,4),(NULL,4)
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{JOIN}
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{a=x}
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{y=4 OR y IS NULL}
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{3 4 3 4}
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8
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VALUES(1,2),(3,4)
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VALUES(1,2),(3,4)
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{JOIN}
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{a=x AND y=4}
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{coalesce(y,4)==4}
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{3 4 3 4}
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} {
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do_test autoindex4-4.$id.0 {
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db eval {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(a INT, b INT);
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DROP TABLE IF EXISTS t2;
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CREATE TABLE t2(x INT, y INT);
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}
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db eval "INSERT INTO t1(a,b) $data1;"
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db eval "INSERT INTO t2(x,y) $data2;"
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} {}
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set sql "SELECT * FROM t1 $jointype t2 ON $onclause WHERE $whereclause"
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# puts "sql = $sql"
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do_test autoindex4-4.$id.1 {
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db eval {PRAGMA automatic_index=ON;}
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db eval $sql
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} $answer
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do_test autoindex4-4.$id.2 {
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db eval {PRAGMA automatic_index=OFF;}
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db eval $sql
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} $answer
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}
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finish_test
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