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# 2020 February 24
#
# 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 script is testing UPDATE statements with FROM clauses
# against FTS4 tables.
#
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix fts4upfrom
# If SQLITE_ENABLE_FTS3 is defined, omit this file.
ifcapable !fts3 {
finish_test
return
}
foreach {tn create_table} {
0 { CREATE VIRTUAL TABLE ft USING fts5(a, b, c) }
1 { CREATE VIRTUAL TABLE ft USING fts3(a, b, c) }
2 { CREATE TABLE ft(a, b, c) }
3 {
CREATE TABLE real(a, b, c);
CREATE INDEX i1 ON real(a);
CREATE VIEW ft AS SELECT rowid, a, b, c FROM real;
CREATE TRIGGER tr1 INSTEAD OF INSERT ON ft BEGIN
INSERT INTO real(rowid, a, b, c) VALUES(new.rowid, new.a, new.b, new.c);
END;
CREATE TRIGGER tr2 INSTEAD OF UPDATE ON ft BEGIN
UPDATE real SET rowid=new.rowid, a=new.a, b=new.b, c=new.c
WHERE rowid=old.rowid;
END;
}
} {
if {$tn==0} { ifcapable !fts5 { continue } }
catchsql { DROP VIEW IF EXISTS changes }
catchsql { DROP TABLE IF EXISTS ft }
catchsql { DROP VIEW IF EXISTS ft }
execsql $create_table
do_execsql_test 1.$tn.0 {
INSERT INTO ft(a, b, c) VALUES('a', NULL, 'apple');
INSERT INTO ft(a, b, c) VALUES('b', NULL, 'banana');
INSERT INTO ft(a, b, c) VALUES('c', NULL, 'cherry');
INSERT INTO ft(a, b, c) VALUES('d', NULL, 'damson plum');
}
do_execsql_test 1.$tn.1 {
SELECT a, b, c FROM ft ORDER BY rowid;
} {
a {} apple
b {} banana
c {} cherry
d {} {damson plum}
}
do_execsql_test 1.$tn.2 {
UPDATE ft SET b=o.c FROM ft AS o WHERE (ft.a == char(unicode(o.a)+1))
}
do_execsql_test 1.$tn.3 {
SELECT a, b, c FROM ft ORDER BY rowid;
} {
a {} apple
b apple banana
c banana cherry
d cherry {damson plum}
}
do_catchsql_test 1.$tn.4 {
UPDATE ft SET c=v FROM changes WHERE a=k;
} {1 {no such table: changes}}
do_execsql_test 1.$tn.5 {
create view changes(k, v) AS
VALUES( 'd', 'dewberry' ) UNION ALL
VALUES( 'c', 'clementine' ) UNION ALL
VALUES( 'b', 'blueberry' ) UNION ALL
VALUES( 'a', 'apricot' )
;
}
do_execsql_test 1.$tn.6 {
UPDATE ft SET c=v FROM changes WHERE a=k;
}
do_execsql_test 1.$tn.7 {
SELECT rowid, a, b, c FROM ft ORDER BY rowid;
} {
1 a {} apricot
2 b apple blueberry
3 c banana clementine
4 d cherry dewberry
}
do_execsql_test 1.$tn.8 "
WITH x1(o, n) AS (
VALUES(1, 11) UNION ALL
VALUES(2, 12) UNION ALL
VALUES(3, 13) UNION ALL
VALUES(4, 14)
)
SELECT ft.rowid, a, b, c, o, n FROM ft, x1 WHERE ft.rowid = o;
" {
1 a {} apricot 1 11
2 b apple blueberry 2 12
3 c banana clementine 3 13
4 d cherry dewberry 4 14
}
set ROWID rowid
if {$tn==1} { set ROWID docid }
do_execsql_test 1.$tn.9 "
WITH x1(o, n) AS (
VALUES(1, 11) UNION ALL
VALUES(2, 12) UNION ALL
VALUES(3, 13) UNION ALL
VALUES(4, 14)
)
UPDATE ft SET $ROWID = n FROM x1 WHERE ft.rowid = o;
SELECT rowid, a, b, c FROM ft ORDER BY rowid;
" {
11 a {} apricot
12 b apple blueberry
13 c banana clementine
14 d cherry dewberry
}
}
finish_test
|
