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libsql/libsql-sqlite3/ext/expert/expert1.test
2023-11-15 14:46:34 +01:00

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# 2009 Nov 11
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
# The focus of this file is testing the CLI shell tool. Specifically,
# the ".recommend" command.
#
#
# Test plan:
#
#
if {![info exists testdir]} {
set testdir [file join [file dirname [info script]] .. .. test]
}
source $testdir/tester.tcl
set testprefix expert1
if {[info commands sqlite3_expert_new]==""} {
finish_test
return
}
set CLI [test_binary_name sqlite3]
set CMD [test_binary_name sqlite3_expert]
proc squish {txt} {
regsub -all {[[:space:]]+} $txt { }
}
proc do_setup_rec_test {tn setup sql res} {
reset_db
if {[info exists ::set_main_db_name]} {
dbconfig_maindbname_icecube db
}
db eval $setup
uplevel [list do_rec_test $tn $sql $res]
}
foreach {tn setup} {
1 {
if {![file executable $CMD]} { continue }
proc do_rec_test {tn sql res} {
set res [squish [string trim $res]]
set tst [subst -nocommands {
squish [string trim [exec $::CMD -verbose 0 -sql {$sql;} test.db]]
}]
uplevel [list do_test $tn $tst $res]
}
}
2 {
if {[info commands sqlite3_expert_new]==""} { continue }
proc do_rec_test {tn sql res} {
set expert [sqlite3_expert_new db]
$expert sql $sql
$expert analyze
set result [list]
for {set i 0} {$i < [$expert count]} {incr i} {
set idx [string trim [$expert report $i indexes]]
if {$idx==""} {set idx "(no new indexes)"}
lappend result $idx
lappend result [string trim [$expert report $i plan]]
}
$expert destroy
set tst [subst -nocommands {set {} [squish [join {$result}]]}]
uplevel [list do_test $tn $tst [string trim [squish $res]]]
}
}
3 {
if {[info commands sqlite3_expert_new]==""} { continue }
set ::set_main_db_name 1
}
4 {
if {![file executable $CLI]} { continue }
proc do_rec_test {tn sql res} {
set res [squish [string trim $res]]
set tst [subst -nocommands {
squish [string trim [exec $::CLI test.db ".expert" {$sql;}]]
}]
uplevel [list do_test $tn $tst $res]
}
}
} {
eval $setup
do_setup_rec_test $tn.1 { CREATE TABLE t1(a, b, c) } {
SELECT * FROM t1
} {
(no new indexes)
SCAN t1
}
do_setup_rec_test $tn.2 {
CREATE TABLE t1(a, b, c);
} {
SELECT * FROM t1 WHERE b>?;
} {
CREATE INDEX t1_idx_00000062 ON t1(b);
SEARCH t1 USING INDEX t1_idx_00000062 (b>?)
}
do_setup_rec_test $tn.3 {
CREATE TABLE t1(a, b, c);
} {
SELECT * FROM t1 WHERE b COLLATE nocase BETWEEN ? AND ?
} {
CREATE INDEX t1_idx_3e094c27 ON t1(b COLLATE NOCASE);
SEARCH t1 USING INDEX t1_idx_3e094c27 (b>? AND b<?)
}
do_setup_rec_test $tn.4 {
CREATE TABLE t1(a, b, c);
} {
SELECT a FROM t1 ORDER BY b;
} {
CREATE INDEX t1_idx_00000062 ON t1(b);
SCAN t1 USING INDEX t1_idx_00000062
}
do_setup_rec_test $tn.5 {
CREATE TABLE t1(a, b, c);
} {
SELECT a FROM t1 WHERE a=? ORDER BY b;
} {
CREATE INDEX t1_idx_000123a7 ON t1(a, b);
SEARCH t1 USING COVERING INDEX t1_idx_000123a7 (a=?)
}
if 0 {
do_setup_rec_test $tn.6 {
CREATE TABLE t1(a, b, c);
} {
SELECT min(a) FROM t1
} {
CREATE INDEX t1_idx_00000061 ON t1(a);
SEARCH t1 USING COVERING INDEX t1_idx_00000061
}
}
do_setup_rec_test $tn.7 {
CREATE TABLE t1(a, b, c);
} {
SELECT * FROM t1 ORDER BY a, b, c;
} {
CREATE INDEX t1_idx_033e95fe ON t1(a, b, c);
SCAN t1 USING COVERING INDEX t1_idx_033e95fe
}
#do_setup_rec_test $tn.1.8 {
# CREATE TABLE t1(a, b, c);
#} {
# SELECT * FROM t1 ORDER BY a ASC, b COLLATE nocase DESC, c ASC;
#} {
# CREATE INDEX t1_idx_5be6e222 ON t1(a, b COLLATE NOCASE DESC, c);
# 0|0|0|SCAN t1 USING COVERING INDEX t1_idx_5be6e222
#}
do_setup_rec_test $tn.8.1 {
CREATE TABLE t1(a COLLATE NOCase, b, c);
} {
SELECT * FROM t1 WHERE a=?
} {
CREATE INDEX t1_idx_00000061 ON t1(a);
SEARCH t1 USING INDEX t1_idx_00000061 (a=?)
}
do_setup_rec_test $tn.8.2 {
CREATE TABLE t1(a, b COLLATE nocase, c);
} {
SELECT * FROM t1 ORDER BY a ASC, b DESC, c ASC;
} {
CREATE INDEX t1_idx_5cb97285 ON t1(a, b DESC, c);
SCAN t1 USING COVERING INDEX t1_idx_5cb97285
}
# Tables with names that require quotes.
#
do_setup_rec_test $tn.9.1 {
CREATE TABLE "t t"(a, b, c);
} {
SELECT * FROM "t t" WHERE a=?
} {
CREATE INDEX "t t_idx_00000061" ON "t t"(a);
SEARCH t t USING INDEX t t_idx_00000061 (a=?)
}
do_setup_rec_test $tn.9.2 {
CREATE TABLE "t t"(a, b, c);
} {
SELECT * FROM "t t" WHERE b BETWEEN ? AND ?
} {
CREATE INDEX "t t_idx_00000062" ON "t t"(b);
SEARCH t t USING INDEX t t_idx_00000062 (b>? AND b<?)
}
# Columns with names that require quotes.
#
do_setup_rec_test $tn.10.1 {
CREATE TABLE t3(a, "b b", c);
} {
SELECT * FROM t3 WHERE "b b" = ?
} {
CREATE INDEX t3_idx_00050c52 ON t3('b b');
SEARCH t3 USING INDEX t3_idx_00050c52 (b b=?)
}
do_setup_rec_test $tn.10.2 {
CREATE TABLE t3(a, "b b", c);
} {
SELECT * FROM t3 ORDER BY "b b"
} {
CREATE INDEX t3_idx_00050c52 ON t3('b b');
SCAN t3 USING INDEX t3_idx_00050c52
}
# Transitive constraints
#
do_setup_rec_test $tn.11.1 {
CREATE TABLE t5(a, b);
CREATE TABLE t6(c, d);
} {
SELECT * FROM t5, t6 WHERE a=? AND b=c AND c=?
} {
CREATE INDEX t5_idx_000123a7 ON t5(a, b);
CREATE INDEX t6_idx_00000063 ON t6(c);
SEARCH t6 USING INDEX t6_idx_00000063 (c=?)
SEARCH t5 USING COVERING INDEX t5_idx_000123a7 (a=? AND b=?)
}
# OR terms.
#
do_setup_rec_test $tn.12.1 {
CREATE TABLE t7(a, b);
} {
SELECT * FROM t7 WHERE a=? OR b=?
} {
CREATE INDEX t7_idx_00000062 ON t7(b);
CREATE INDEX t7_idx_00000061 ON t7(a);
MULTI-INDEX OR
INDEX 1
SEARCH t7 USING INDEX t7_idx_00000061 (a=?)
INDEX 2
SEARCH t7 USING INDEX t7_idx_00000062 (b=?)
}
# rowid terms.
#
do_setup_rec_test $tn.13.1 {
CREATE TABLE t8(a, b);
} {
SELECT * FROM t8 WHERE rowid=?
} {
(no new indexes)
SEARCH t8 USING INTEGER PRIMARY KEY (rowid=?)
}
do_setup_rec_test $tn.13.2 {
CREATE TABLE t8(a, b);
} {
SELECT * FROM t8 ORDER BY rowid
} {
(no new indexes)
SCAN t8
}
do_setup_rec_test $tn.13.3 {
CREATE TABLE t8(a, b);
} {
SELECT * FROM t8 WHERE a=? ORDER BY rowid
} {
CREATE INDEX t8_idx_00000061 ON t8(a);
SEARCH t8 USING INDEX t8_idx_00000061 (a=?)
}
# Triggers
#
do_setup_rec_test $tn.14 {
CREATE TABLE t9(a, b, c);
CREATE TABLE t10(a, b, c);
CREATE TRIGGER t9t AFTER INSERT ON t9 BEGIN
UPDATE t10 SET a=new.a WHERE b = new.b;
END;
} {
INSERT INTO t9 VALUES(?, ?, ?);
} {
CREATE INDEX t10_idx_00000062 ON t10(b);
SEARCH t10 USING INDEX t10_idx_00000062 (b=?)
}
do_setup_rec_test $tn.15 {
CREATE TABLE t1(a, b);
CREATE TABLE t2(c, d);
WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
INSERT INTO t1 SELECT (i-1)/50, (i-1)/20 FROM s;
WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
INSERT INTO t2 SELECT (i-1)/20, (i-1)/5 FROM s;
} {
SELECT * FROM t2, t1 WHERE b=? AND d=? AND t2.rowid=t1.rowid
} {
CREATE INDEX t2_idx_00000064 ON t2(d);
SEARCH t2 USING INDEX t2_idx_00000064 (d=?)
SEARCH t1 USING INTEGER PRIMARY KEY (rowid=?)
}
do_setup_rec_test $tn.16 {
CREATE TABLE t1(a, b);
} {
SELECT * FROM t1 WHERE b IS NOT NULL;
} {
(no new indexes)
SCAN t1
}
do_setup_rec_test $tn.17.1 {
CREATE TABLE example (A INTEGER, B INTEGER, C INTEGER, PRIMARY KEY (A,B));
} {
SELECT * FROM example WHERE a=?
} {
(no new indexes)
SEARCH example USING INDEX sqlite_autoindex_example_1 (A=?)
}
do_setup_rec_test $tn.17.2 {
CREATE TABLE example (A INTEGER, B INTEGER, C INTEGER, PRIMARY KEY (A,B));
} {
SELECT * FROM example WHERE b=?
} {
CREATE INDEX example_idx_00000042 ON example(B);
SEARCH example USING INDEX example_idx_00000042 (B=?)
}
do_setup_rec_test $tn.17.3 {
CREATE TABLE example (A INTEGER, B INTEGER, C INTEGER, PRIMARY KEY (A,B));
} {
SELECT * FROM example WHERE a=? AND b=?
} {
(no new indexes)
SEARCH example USING INDEX sqlite_autoindex_example_1 (A=? AND B=?)
}
do_setup_rec_test $tn.17.4 {
CREATE TABLE example (A INTEGER, B INTEGER, C INTEGER, PRIMARY KEY (A,B));
} {
SELECT * FROM example WHERE a=? AND b>?
} {
(no new indexes)
SEARCH example USING INDEX sqlite_autoindex_example_1 (A=? AND B>?)
}
do_setup_rec_test $tn.17.5 {
CREATE TABLE example (A INTEGER, B INTEGER, C INTEGER, PRIMARY KEY (A,B));
} {
SELECT * FROM example WHERE a>? AND b=?
} {
CREATE INDEX example_idx_0000cb3f ON example(B, A);
SEARCH example USING INDEX example_idx_0000cb3f (B=? AND A>?)
}
do_setup_rec_test $tn.18.0 {
CREATE TABLE SomeObject (
a INTEGER PRIMARY KEY,
x TEXT GENERATED ALWAYS AS(HEX(a)) VIRTUAL
);
} {
SELECT x FROM SomeObject;
} {
(no new indexes)
SCAN SomeObject
}
do_setup_rec_test $tn.18.1 {
CREATE TABLE SomeObject (
a INTEGER PRIMARY KEY,
x TEXT GENERATED ALWAYS AS(HEX(a)) VIRTUAL
);
} {
SELECT * FROM SomeObject WHERE x=?;
} {
CREATE INDEX SomeObject_idx_00000078 ON SomeObject(x);
SEARCH SomeObject USING COVERING INDEX SomeObject_idx_00000078 (x=?)
}
do_setup_rec_test $tn.19.0 {
CREATE TABLE t1("index");
} {
SELECT * FROM t1 ORDER BY "index";
} {
CREATE INDEX t1_idx_01a7214e ON t1('index');
SCAN t1 USING COVERING INDEX t1_idx_01a7214e
}
}
proc do_candidates_test {tn sql res} {
set res [squish [string trim $res]]
set expert [sqlite3_expert_new db]
$expert sql $sql
$expert analyze
set candidates [squish [string trim [$expert report 0 candidates]]]
$expert destroy
uplevel [list do_test $tn [list set {} $candidates] $res]
}
reset_db
do_execsql_test 5.0 {
CREATE TABLE t1(a, b);
CREATE TABLE t2(c, d);
WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
INSERT INTO t1 SELECT (i-1)/50, (i-1)/20 FROM s;
WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
INSERT INTO t2 SELECT (i-1)/20, (i-1)/5 FROM s;
}
do_candidates_test 5.1 {
SELECT * FROM t1,t2 WHERE (b=? OR a=?) AND (c=? OR d=?)
} {
CREATE INDEX t1_idx_00000062 ON t1(b); -- stat1: 100 20
CREATE INDEX t1_idx_00000061 ON t1(a); -- stat1: 100 50
CREATE INDEX t2_idx_00000063 ON t2(c); -- stat1: 100 20
CREATE INDEX t2_idx_00000064 ON t2(d); -- stat1: 100 5
}
do_candidates_test 5.2 {
SELECT * FROM t1,t2 WHERE a=? AND b=? AND c=? AND d=?
} {
CREATE INDEX t1_idx_000123a7 ON t1(a, b); -- stat1: 100 50 17
CREATE INDEX t2_idx_0001295b ON t2(c, d); -- stat1: 100 20 5
}
do_execsql_test 5.3 {
CREATE INDEX t1_idx_00000061 ON t1(a); -- stat1: 100 50
CREATE INDEX t1_idx_00000062 ON t1(b); -- stat1: 100 20
CREATE INDEX t1_idx_000123a7 ON t1(a, b); -- stat1: 100 50 16
CREATE INDEX t2_idx_00000063 ON t2(c); -- stat1: 100 20
CREATE INDEX t2_idx_00000064 ON t2(d); -- stat1: 100 5
CREATE INDEX t2_idx_0001295b ON t2(c, d); -- stat1: 100 20 5
ANALYZE;
SELECT * FROM sqlite_stat1 ORDER BY 1, 2;
} {
t1 t1_idx_00000061 {100 50}
t1 t1_idx_00000062 {100 20}
t1 t1_idx_000123a7 {100 50 17}
t2 t2_idx_00000063 {100 20}
t2 t2_idx_00000064 {100 5}
t2 t2_idx_0001295b {100 20 5}
}
if 0 {
do_test expert1-6.0 {
catchcmd :memory: {
.expert
select base64('');
.expert
select name from pragma_collation_list order by name collate uint;
}
} {0 {(no new indexes)
SCAN CONSTANT ROW
(no new indexes)
SCAN pragma_collation_list VIRTUAL TABLE INDEX 0:
USE TEMP B-TREE FOR ORDER BY
}}
}
finish_test