sqlite/test/index.test

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# 2001 September 15
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The
# focus of this file is testing the CREATE INDEX statement.
#
# $Id: index.test,v 1.43 2008/01/16 18:20:42 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Create a basic index and verify it is added to sqlite_master
#
do_test index-1.1 {
execsql {CREATE TABLE test1(f1 int, f2 int, f3 int)}
execsql {CREATE INDEX index1 ON test1(f1)}
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {index1 test1}
do_test index-1.1b {
execsql {SELECT name, sql, tbl_name, type FROM sqlite_master
WHERE name='index1'}
} {index1 {CREATE INDEX index1 ON test1(f1)} test1 index}
do_test index-1.1c {
db close
sqlite3 db test.db
execsql {SELECT name, sql, tbl_name, type FROM sqlite_master
WHERE name='index1'}
} {index1 {CREATE INDEX index1 ON test1(f1)} test1 index}
do_test index-1.1d {
db close
sqlite3 db test.db
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {index1 test1}
# Verify that the index dies with the table
#
do_test index-1.2 {
execsql {DROP TABLE test1}
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {}
# Try adding an index to a table that does not exist
#
do_test index-2.1 {
set v [catch {execsql {CREATE INDEX index1 ON test1(f1)}} msg]
lappend v $msg
} {1 {no such table: main.test1}}
# Try adding an index on a column of a table where the table
# exists but the column does not.
#
do_test index-2.1 {
execsql {CREATE TABLE test1(f1 int, f2 int, f3 int)}
set v [catch {execsql {CREATE INDEX index1 ON test1(f4)}} msg]
lappend v $msg
} {1 {table test1 has no column named f4}}
# Try an index with some columns that match and others that do now.
#
do_test index-2.2 {
set v [catch {execsql {CREATE INDEX index1 ON test1(f1, f2, f4, f3)}} msg]
execsql {DROP TABLE test1}
lappend v $msg
} {1 {table test1 has no column named f4}}
# Try creating a bunch of indices on the same table
#
set r {}
for {set i 1} {$i<100} {incr i} {
lappend r [format index%02d $i]
}
do_test index-3.1 {
execsql {CREATE TABLE test1(f1 int, f2 int, f3 int, f4 int, f5 int)}
for {set i 1} {$i<100} {incr i} {
set sql "CREATE INDEX [format index%02d $i] ON test1(f[expr {($i%5)+1}])"
execsql $sql
}
execsql {SELECT name FROM sqlite_master
WHERE type='index' AND tbl_name='test1'
ORDER BY name}
} $r
integrity_check index-3.2.1
ifcapable {reindex} {
do_test index-3.2.2 {
execsql REINDEX
} {}
}
integrity_check index-3.2.3
# Verify that all the indices go away when we drop the table.
#
do_test index-3.3 {
execsql {DROP TABLE test1}
execsql {SELECT name FROM sqlite_master
WHERE type='index' AND tbl_name='test1'
ORDER BY name}
} {}
# Create a table and insert values into that table. Then create
# an index on that table. Verify that we can select values
# from the table correctly using the index.
#
# Note that the index names "index9" and "indext" are chosen because
# they both have the same hash.
#
do_test index-4.1 {
execsql {CREATE TABLE test1(cnt int, power int)}
for {set i 1} {$i<20} {incr i} {
execsql "INSERT INTO test1 VALUES($i,[expr {1<<$i}])"
}
execsql {CREATE INDEX index9 ON test1(cnt)}
execsql {CREATE INDEX indext ON test1(power)}
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {index9 indext test1}
do_test index-4.2 {
execsql {SELECT cnt FROM test1 WHERE power=4}
} {2}
do_test index-4.3 {
execsql {SELECT cnt FROM test1 WHERE power=1024}
} {10}
do_test index-4.4 {
execsql {SELECT power FROM test1 WHERE cnt=6}
} {64}
do_test index-4.5 {
execsql {DROP INDEX indext}
execsql {SELECT power FROM test1 WHERE cnt=6}
} {64}
do_test index-4.6 {
execsql {SELECT cnt FROM test1 WHERE power=1024}
} {10}
do_test index-4.7 {
execsql {CREATE INDEX indext ON test1(cnt)}
execsql {SELECT power FROM test1 WHERE cnt=6}
} {64}
do_test index-4.8 {
execsql {SELECT cnt FROM test1 WHERE power=1024}
} {10}
do_test index-4.9 {
execsql {DROP INDEX index9}
execsql {SELECT power FROM test1 WHERE cnt=6}
} {64}
do_test index-4.10 {
execsql {SELECT cnt FROM test1 WHERE power=1024}
} {10}
do_test index-4.11 {
execsql {DROP INDEX indext}
execsql {SELECT power FROM test1 WHERE cnt=6}
} {64}
do_test index-4.12 {
execsql {SELECT cnt FROM test1 WHERE power=1024}
} {10}
do_test index-4.13 {
execsql {DROP TABLE test1}
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {}
integrity_check index-4.14
# Do not allow indices to be added to sqlite_master
#
do_test index-5.1 {
set v [catch {execsql {CREATE INDEX index1 ON sqlite_master(name)}} msg]
lappend v $msg
} {1 {table sqlite_master may not be indexed}}
do_test index-5.2 {
execsql {SELECT name FROM sqlite_master WHERE type!='meta'}
} {}
# Do not allow indices with duplicate names to be added
#
do_test index-6.1 {
execsql {CREATE TABLE test1(f1 int, f2 int)}
execsql {CREATE TABLE test2(g1 real, g2 real)}
execsql {CREATE INDEX index1 ON test1(f1)}
set v [catch {execsql {CREATE INDEX index1 ON test2(g1)}} msg]
lappend v $msg
} {1 {index index1 already exists}}
do_test index-6.1.1 {
catchsql {CREATE INDEX [index1] ON test2(g1)}
} {1 {index index1 already exists}}
do_test index-6.1b {
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {index1 test1 test2}
do_test index-6.1c {
catchsql {CREATE INDEX IF NOT EXISTS index1 ON test1(f1)}
} {0 {}}
do_test index-6.2 {
set v [catch {execsql {CREATE INDEX test1 ON test2(g1)}} msg]
lappend v $msg
} {1 {there is already a table named test1}}
do_test index-6.2b {
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {index1 test1 test2}
do_test index-6.3 {
execsql {DROP TABLE test1}
execsql {DROP TABLE test2}
execsql {SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name}
} {}
do_test index-6.4 {
execsql {
CREATE TABLE test1(a,b);
CREATE INDEX index1 ON test1(a);
CREATE INDEX index2 ON test1(b);
CREATE INDEX index3 ON test1(a,b);
DROP TABLE test1;
SELECT name FROM sqlite_master WHERE type!='meta' ORDER BY name;
}
} {}
integrity_check index-6.5
# Create a primary key
#
do_test index-7.1 {
execsql {CREATE TABLE test1(f1 int, f2 int primary key)}
for {set i 1} {$i<20} {incr i} {
execsql "INSERT INTO test1 VALUES($i,[expr {1<<$i}])"
}
execsql {SELECT count(*) FROM test1}
} {19}
do_test index-7.2 {
execsql {SELECT f1 FROM test1 WHERE f2=65536}
} {16}
do_test index-7.3 {
execsql {
SELECT name FROM sqlite_master
WHERE type='index' AND tbl_name='test1'
}
} {sqlite_autoindex_test1_1}
do_test index-7.4 {
execsql {DROP table test1}
execsql {SELECT name FROM sqlite_master WHERE type!='meta'}
} {}
integrity_check index-7.5
# Make sure we cannot drop a non-existant index.
#
do_test index-8.1 {
set v [catch {execsql {DROP INDEX index1}} msg]
lappend v $msg
} {1 {no such index: index1}}
# Make sure we don't actually create an index when the EXPLAIN keyword
# is used.
#
do_test index-9.1 {
execsql {CREATE TABLE tab1(a int)}
ifcapable {explain} {
execsql {EXPLAIN CREATE INDEX idx1 ON tab1(a)}
}
execsql {SELECT name FROM sqlite_master WHERE tbl_name='tab1'}
} {tab1}
do_test index-9.2 {
execsql {CREATE INDEX idx1 ON tab1(a)}
execsql {SELECT name FROM sqlite_master WHERE tbl_name='tab1' ORDER BY name}
} {idx1 tab1}
integrity_check index-9.3
# Allow more than one entry with the same key.
#
do_test index-10.0 {
execsql {
CREATE TABLE t1(a int, b int);
CREATE INDEX i1 ON t1(a);
INSERT INTO t1 VALUES(1,2);
INSERT INTO t1 VALUES(2,4);
INSERT INTO t1 VALUES(3,8);
INSERT INTO t1 VALUES(1,12);
SELECT b FROM t1 WHERE a=1 ORDER BY b;
}
} {2 12}
do_test index-10.1 {
execsql {
SELECT b FROM t1 WHERE a=2 ORDER BY b;
}
} {4}
do_test index-10.2 {
execsql {
DELETE FROM t1 WHERE b=12;
SELECT b FROM t1 WHERE a=1 ORDER BY b;
}
} {2}
do_test index-10.3 {
execsql {
DELETE FROM t1 WHERE b=2;
SELECT b FROM t1 WHERE a=1 ORDER BY b;
}
} {}
do_test index-10.4 {
execsql {
DELETE FROM t1;
INSERT INTO t1 VALUES (1,1);
INSERT INTO t1 VALUES (1,2);
INSERT INTO t1 VALUES (1,3);
INSERT INTO t1 VALUES (1,4);
INSERT INTO t1 VALUES (1,5);
INSERT INTO t1 VALUES (1,6);
INSERT INTO t1 VALUES (1,7);
INSERT INTO t1 VALUES (1,8);
INSERT INTO t1 VALUES (1,9);
INSERT INTO t1 VALUES (2,0);
SELECT b FROM t1 WHERE a=1 ORDER BY b;
}
} {1 2 3 4 5 6 7 8 9}
do_test index-10.5 {
ifcapable subquery {
execsql { DELETE FROM t1 WHERE b IN (2, 4, 6, 8); }
} else {
execsql { DELETE FROM t1 WHERE b = 2 OR b = 4 OR b = 6 OR b = 8; }
}
execsql {
SELECT b FROM t1 WHERE a=1 ORDER BY b;
}
} {1 3 5 7 9}
do_test index-10.6 {
execsql {
DELETE FROM t1 WHERE b>2;
SELECT b FROM t1 WHERE a=1 ORDER BY b;
}
} {1}
do_test index-10.7 {
execsql {
DELETE FROM t1 WHERE b=1;
SELECT b FROM t1 WHERE a=1 ORDER BY b;
}
} {}
do_test index-10.8 {
execsql {
SELECT b FROM t1 ORDER BY b;
}
} {0}
integrity_check index-10.9
# Automatically create an index when we specify a primary key.
#
do_test index-11.1 {
execsql {
CREATE TABLE t3(
a text,
b int,
c float,
PRIMARY KEY(b)
);
}
for {set i 1} {$i<=50} {incr i} {
execsql "INSERT INTO t3 VALUES('x${i}x',$i,0.$i)"
}
set sqlite_search_count 0
concat [execsql {SELECT c FROM t3 WHERE b==10}] $sqlite_search_count
} {0.1 3}
integrity_check index-11.2
# Numeric strings should compare as if they were numbers. So even if the
# strings are not character-by-character the same, if they represent the
# same number they should compare equal to one another. Verify that this
# is true in indices.
#
# Updated for sqlite3 v3: SQLite will now store these values as numbers
# (because the affinity of column a is NUMERIC) so the quirky
# representations are not retained. i.e. '+1.0' becomes '1'.
do_test index-12.1 {
execsql {
CREATE TABLE t4(a NUM,b);
INSERT INTO t4 VALUES('0.0',1);
INSERT INTO t4 VALUES('0.00',2);
INSERT INTO t4 VALUES('abc',3);
INSERT INTO t4 VALUES('-1.0',4);
INSERT INTO t4 VALUES('+1.0',5);
INSERT INTO t4 VALUES('0',6);
INSERT INTO t4 VALUES('00000',7);
SELECT a FROM t4 ORDER BY b;
}
} {0 0 abc -1 1 0 0}
do_test index-12.2 {
execsql {
SELECT a FROM t4 WHERE a==0 ORDER BY b
}
} {0 0 0 0}
do_test index-12.3 {
execsql {
SELECT a FROM t4 WHERE a<0.5 ORDER BY b
}
} {0 0 -1 0 0}
do_test index-12.4 {
execsql {
SELECT a FROM t4 WHERE a>-0.5 ORDER BY b
}
} {0 0 abc 1 0 0}
do_test index-12.5 {
execsql {
CREATE INDEX t4i1 ON t4(a);
SELECT a FROM t4 WHERE a==0 ORDER BY b
}
} {0 0 0 0}
do_test index-12.6 {
execsql {
SELECT a FROM t4 WHERE a<0.5 ORDER BY b
}
} {0 0 -1 0 0}
do_test index-12.7 {
execsql {
SELECT a FROM t4 WHERE a>-0.5 ORDER BY b
}
} {0 0 abc 1 0 0}
integrity_check index-12.8
# Make sure we cannot drop an automatically created index.
#
do_test index-13.1 {
execsql {
CREATE TABLE t5(
a int UNIQUE,
b float PRIMARY KEY,
c varchar(10),
UNIQUE(a,c)
);
INSERT INTO t5 VALUES(1,2,3);
SELECT * FROM t5;
}
} {1 2.0 3}
do_test index-13.2 {
set ::idxlist [execsql {
SELECT name FROM sqlite_master WHERE type="index" AND tbl_name="t5";
}]
llength $::idxlist
} {3}
for {set i 0} {$i<[llength $::idxlist]} {incr i} {
do_test index-13.3.$i {
catchsql "
DROP INDEX '[lindex $::idxlist $i]';
"
} {1 {index associated with UNIQUE or PRIMARY KEY constraint cannot be dropped}}
}
do_test index-13.4 {
execsql {
INSERT INTO t5 VALUES('a','b','c');
SELECT * FROM t5;
}
} {1 2.0 3 a b c}
integrity_check index-13.5
# Check the sort order of data in an index.
#
do_test index-14.1 {
execsql {
CREATE TABLE t6(a,b,c);
CREATE INDEX t6i1 ON t6(a,b);
INSERT INTO t6 VALUES('','',1);
INSERT INTO t6 VALUES('',NULL,2);
INSERT INTO t6 VALUES(NULL,'',3);
INSERT INTO t6 VALUES('abc',123,4);
INSERT INTO t6 VALUES(123,'abc',5);
SELECT c FROM t6 ORDER BY a,b;
}
} {3 5 2 1 4}
do_test index-14.2 {
execsql {
SELECT c FROM t6 WHERE a='';
}
} {2 1}
do_test index-14.3 {
execsql {
SELECT c FROM t6 WHERE b='';
}
} {1 3}
do_test index-14.4 {
execsql {
SELECT c FROM t6 WHERE a>'';
}
} {4}
do_test index-14.5 {
execsql {
SELECT c FROM t6 WHERE a>='';
}
} {2 1 4}
do_test index-14.6 {
execsql {
SELECT c FROM t6 WHERE a>123;
}
} {2 1 4}
do_test index-14.7 {
execsql {
SELECT c FROM t6 WHERE a>=123;
}
} {5 2 1 4}
do_test index-14.8 {
execsql {
SELECT c FROM t6 WHERE a<'abc';
}
} {5 2 1}
do_test index-14.9 {
execsql {
SELECT c FROM t6 WHERE a<='abc';
}
} {5 2 1 4}
do_test index-14.10 {
execsql {
SELECT c FROM t6 WHERE a<='';
}
} {5 2 1}
do_test index-14.11 {
execsql {
SELECT c FROM t6 WHERE a<'';
}
} {5}
integrity_check index-14.12
do_test index-15.1 {
execsql {
DELETE FROM t1;
SELECT * FROM t1;
}
} {}
do_test index-15.2 {
execsql {
INSERT INTO t1 VALUES('1.234e5',1);
INSERT INTO t1 VALUES('12.33e04',2);
INSERT INTO t1 VALUES('12.35E4',3);
INSERT INTO t1 VALUES('12.34e',4);
INSERT INTO t1 VALUES('12.32e+4',5);
INSERT INTO t1 VALUES('12.36E+04',6);
INSERT INTO t1 VALUES('12.36E+',7);
INSERT INTO t1 VALUES('+123.10000E+0003',8);
INSERT INTO t1 VALUES('+',9);
INSERT INTO t1 VALUES('+12347.E+02',10);
INSERT INTO t1 VALUES('+12347E+02',11);
SELECT b FROM t1 ORDER BY a;
}
} {8 5 2 1 3 6 11 9 10 4 7}
integrity_check index-15.1
# The following tests - index-16.* - test that when a table definition
# includes qualifications that specify the same constraint twice only a
# single index is generated to enforce the constraint.
#
# For example: "CREATE TABLE abc( x PRIMARY KEY, UNIQUE(x) );"
#
do_test index-16.1 {
execsql {
CREATE TABLE t7(c UNIQUE PRIMARY KEY);
SELECT count(*) FROM sqlite_master WHERE tbl_name = 't7' AND type = 'index';
}
} {1}
do_test index-16.2 {
execsql {
DROP TABLE t7;
CREATE TABLE t7(c UNIQUE PRIMARY KEY);
SELECT count(*) FROM sqlite_master WHERE tbl_name = 't7' AND type = 'index';
}
} {1}
do_test index-16.3 {
execsql {
DROP TABLE t7;
CREATE TABLE t7(c PRIMARY KEY, UNIQUE(c) );
SELECT count(*) FROM sqlite_master WHERE tbl_name = 't7' AND type = 'index';
}
} {1}
do_test index-16.4 {
execsql {
DROP TABLE t7;
CREATE TABLE t7(c, d , UNIQUE(c, d), PRIMARY KEY(c, d) );
SELECT count(*) FROM sqlite_master WHERE tbl_name = 't7' AND type = 'index';
}
} {1}
do_test index-16.5 {
execsql {
DROP TABLE t7;
CREATE TABLE t7(c, d , UNIQUE(c), PRIMARY KEY(c, d) );
SELECT count(*) FROM sqlite_master WHERE tbl_name = 't7' AND type = 'index';
}
} {2}
# Test that automatically create indices are named correctly. The current
# convention is: "sqlite_autoindex_<table name>_<integer>"
#
# Then check that it is an error to try to drop any automtically created
# indices.
do_test index-17.1 {
execsql {
DROP TABLE t7;
CREATE TABLE t7(c, d UNIQUE, UNIQUE(c), PRIMARY KEY(c, d) );
SELECT name FROM sqlite_master WHERE tbl_name = 't7' AND type = 'index';
}
} {sqlite_autoindex_t7_1 sqlite_autoindex_t7_2 sqlite_autoindex_t7_3}
do_test index-17.2 {
catchsql {
DROP INDEX sqlite_autoindex_t7_1;
}
} {1 {index associated with UNIQUE or PRIMARY KEY constraint cannot be dropped}}
do_test index-17.3 {
catchsql {
DROP INDEX IF EXISTS sqlite_autoindex_t7_1;
}
} {1 {index associated with UNIQUE or PRIMARY KEY constraint cannot be dropped}}
do_test index-17.4 {
catchsql {
DROP INDEX IF EXISTS no_such_index;
}
} {0 {}}
# The following tests ensure that it is not possible to explicitly name
# a schema object with a name beginning with "sqlite_". Granted that is a
# little outside the focus of this test scripts, but this has got to be
# tested somewhere.
do_test index-18.1 {
catchsql {
CREATE TABLE sqlite_t1(a, b, c);
}
} {1 {object name reserved for internal use: sqlite_t1}}
do_test index-18.2 {
catchsql {
CREATE INDEX sqlite_i1 ON t7(c);
}
} {1 {object name reserved for internal use: sqlite_i1}}
ifcapable view {
do_test index-18.3 {
catchsql {
CREATE VIEW sqlite_v1 AS SELECT * FROM t7;
}
} {1 {object name reserved for internal use: sqlite_v1}}
} ;# ifcapable view
ifcapable {trigger} {
do_test index-18.4 {
catchsql {
CREATE TRIGGER sqlite_tr1 BEFORE INSERT ON t7 BEGIN SELECT 1; END;
}
} {1 {object name reserved for internal use: sqlite_tr1}}
}
do_test index-18.5 {
execsql {
DROP TABLE t7;
}
} {}
# These tests ensure that if multiple table definition constraints are
# implemented by a single indice, the correct ON CONFLICT policy applies.
ifcapable conflict {
do_test index-19.1 {
execsql {
CREATE TABLE t7(a UNIQUE PRIMARY KEY);
CREATE TABLE t8(a UNIQUE PRIMARY KEY ON CONFLICT ROLLBACK);
INSERT INTO t7 VALUES(1);
INSERT INTO t8 VALUES(1);
}
} {}
do_test index-19.2 {
catchsql {
BEGIN;
INSERT INTO t7 VALUES(1);
}
} {1 {column a is not unique}}
do_test index-19.3 {
catchsql {
BEGIN;
}
} {1 {cannot start a transaction within a transaction}}
do_test index-19.4 {
catchsql {
INSERT INTO t8 VALUES(1);
}
} {1 {column a is not unique}}
do_test index-19.5 {
catchsql {
BEGIN;
COMMIT;
}
} {0 {}}
do_test index-19.6 {
catchsql {
DROP TABLE t7;
DROP TABLE t8;
CREATE TABLE t7(
a PRIMARY KEY ON CONFLICT FAIL,
UNIQUE(a) ON CONFLICT IGNORE
);
}
} {1 {conflicting ON CONFLICT clauses specified}}
} ; # end of "ifcapable conflict" block
ifcapable {reindex} {
do_test index-19.7 {
execsql REINDEX
} {}
}
integrity_check index-19.8
# Drop index with a quoted name. Ticket #695.
#
do_test index-20.1 {
execsql {
CREATE INDEX "t6i2" ON t6(c);
DROP INDEX "t6i2";
}
} {}
do_test index-20.2 {
execsql {
DROP INDEX "t6i1";
}
} {}
finish_test