# 2011 May 06
#
# 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.
#
#***********************************************************************
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix e_totalchanges
# Like [do_execsql_test], except it appends the value returned by
# [db total_changes] to the result of executing the SQL script.
#
proc do_tc_test {tn sql res} {
uplevel [list \
do_test $tn "concat \[execsql {$sql}\] \[db total_changes\]" $res
]
}
do_execsql_test 1.0 {
CREATE TABLE t1(a, b);
CREATE INDEX t1_b ON t1(b);
CREATE TABLE t2(x, y, PRIMARY KEY(x, y)) WITHOUT ROWID;
CREATE INDEX t2_y ON t2(y);
}
#--------------------------------------------------------------------------
# EVIDENCE-OF: R-65438-26258 This function returns the total number of
# rows inserted, modified or deleted by all INSERT, UPDATE or DELETE
# statements completed since the database connection was opened,
# including those executed as part of trigger programs.
#
# 1.1.*: different types of I/U/D statements,
# 1.2.*: trigger programs.
#
do_tc_test 1.1.1 {
INSERT INTO t1 VALUES(1, 2);
INSERT INTO t1 VALUES(3, 4);
UPDATE t1 SET a = a+1;
DELETE FROM t1;
} {6}
do_tc_test 1.1.2 {
DELETE FROM t1
} {6}
do_tc_test 1.1.3 {
WITH data(a,b) AS (
SELECT 0, 0 UNION ALL SELECT a+1, b+1 FROM data WHERE a<99
)
INSERT INTO t1 SELECT * FROM data;
} {106}
do_tc_test 1.1.4 {
INSERT INTO t2 SELECT * FROM t1 WHERE a<50;
UPDATE t2 SET y=y+1;
} {206}
do_tc_test 1.1.5 {
DELETE FROM t2 WHERE y<=25
} {231}
do_execsql_test 1.2.1 {
DELETE FROM t1;
DELETE FROM t2;
}
sqlite3 db test.db ; # To reset total_changes
do_tc_test 1.2.2 {
CREATE TABLE log(detail);
CREATE TRIGGER t1_after_insert AFTER INSERT ON t1 BEGIN
INSERT INTO log VALUES('inserted into t1');
END;
CREATE TRIGGER t1_before_delete BEFORE DELETE ON t1 BEGIN
INSERT INTO log VALUES('deleting from t1');
INSERT INTO log VALUES('here we go!');
END;
CREATE TRIGGER t1_after_update AFTER UPDATE ON t1 BEGIN
INSERT INTO log VALUES('update');
DELETE FROM log;
END;
INSERT INTO t1 VALUES('a', 'b'); -- 1 + 1
UPDATE t1 SET b='c'; -- 1 + 1 + 2
DELETE FROM t1; -- 1 + 1 + 1
} {9}
#--------------------------------------------------------------------------
# EVIDENCE-OF: R-61766-15253 Executing any other type of SQL statement
# does not affect the value returned by sqlite3_total_changes().
do_tc_test 2.1 {
INSERT INTO t1 VALUES(1, 2), (3, 4);
INSERT INTO t2 VALUES(1, 2), (3, 4);
} {15}
do_tc_test 2.2 {
SELECT count(*) FROM t1;
} {2 15}
do_tc_test 2.3 {
CREATE TABLE t4(a, b);
ALTER TABLE t4 ADD COLUMN c;
CREATE INDEX i4 ON t4(c);
ALTER TABLE t4 RENAME TO t5;
ANALYZE;
BEGIN;
DROP TABLE t2;
ROLLBACK;
VACUUM;
} {15}
#--------------------------------------------------------------------------
# EVIDENCE-OF: R-36043-10590 Changes made as part of foreign key
# actions are included in the count, but those made as part of REPLACE
# constraint resolution are not.
#
# 3.1.*: foreign key actions
# 3.2.*: REPLACE constraints.
#
sqlite3 db test.db ; # To reset total_changes
do_tc_test 3.1.1 {
CREATE TABLE p1(c PRIMARY KEY, d);
CREATE TABLE c1(a, b, FOREIGN KEY(a) REFERENCES p1 ON DELETE SET NULL);
CREATE TABLE c2(a, b, FOREIGN KEY(a) REFERENCES p1 ON DELETE CASCADE);
CREATE TABLE c3(a, b, FOREIGN KEY(a) REFERENCES p1 ON DELETE SET DEFAULT);
INSERT INTO p1 VALUES(1, 'one');
INSERT INTO p1 VALUES(2, 'two');
INSERT INTO p1 VALUES(3, 'three');
INSERT INTO p1 VALUES(4, 'four');
INSERT INTO c1 VALUES(1, 'i');
INSERT INTO c2 VALUES(2, 'ii');
INSERT INTO c3 VALUES(3, 'iii');
PRAGMA foreign_keys = ON;
} {7}
do_tc_test 3.1.2 { DELETE FROM p1 WHERE c=1; } {9}
do_tc_test 3.1.3 { DELETE FROM p1 WHERE c=2; } {11}
do_tc_test 3.1.4 { DELETE FROM p1 WHERE c=3; } {13}
do_tc_test 3.1.5 { DELETE FROM p1 WHERE c=4; } {14} ; # only 1 this time.
sqlite3 db test.db ; # To reset total_changes
do_tc_test 3.1.6 {
DROP TABLE c1;
DROP TABLE c2;
DROP TABLE c3;
CREATE TABLE c1(a, b, FOREIGN KEY(a) REFERENCES p1 ON UPDATE SET NULL);
CREATE TABLE c2(a, b, FOREIGN KEY(a) REFERENCES p1 ON UPDATE CASCADE);
CREATE TABLE c3(a, b, FOREIGN KEY(a) REFERENCES p1 ON UPDATE SET DEFAULT);
INSERT INTO p1 VALUES(1, 'one');
INSERT INTO p1 VALUES(2, 'two');
INSERT INTO p1 VALUES(3, 'three');
INSERT INTO p1 VALUES(4, 'four');
INSERT INTO c1 VALUES(1, 'i');
INSERT INTO c2 VALUES(2, 'ii');
INSERT INTO c3 VALUES(3, 'iii');
PRAGMA foreign_keys = ON;
} {7}
do_tc_test 3.1.7 { UPDATE p1 SET c=c+4 WHERE c=1; } {9}
do_tc_test 3.1.8 { UPDATE p1 SET c=c+4 WHERE c=2; } {11}
do_tc_test 3.1.9 { UPDATE p1 SET c=c+4 WHERE c=3; } {13}
do_tc_test 3.1.10 { UPDATE p1 SET c=c+4 WHERE c=4; } {14} ; # only 1 this time.
sqlite3 db test.db ; # To reset total_changes
do_tc_test 3.2.1 {
CREATE TABLE t3(a UNIQUE, b UNIQUE);
INSERT INTO t3 VALUES('one', 'one');
INSERT INTO t3 VALUES('two', 'two');
INSERT OR REPLACE INTO t3 VALUES('one', 'two');
} {3}
do_tc_test 3.2.2 {
INSERT INTO t3 VALUES('three', 'one');
UPDATE OR REPLACE t3 SET b='two' WHERE b='one';
SELECT * FROM t3;
} {three two 5}
#--------------------------------------------------------------------------
# EVIDENCE-OF: R-54872-08741 Changes to a view that are intercepted by
# INSTEAD OF triggers are not counted.
#
sqlite3 db test.db ; # To reset total_changes
do_tc_test 4.1 {
CREATE TABLE t6(x);
CREATE VIEW v1 AS SELECT * FROM t6;
CREATE TRIGGER v1_tr1 INSTEAD OF INSERT ON v1 BEGIN
SELECT 'no-op';
END;
INSERT INTO v1 VALUES('a');
INSERT INTO v1 VALUES('b');
} {0}
do_tc_test 4.2 {
CREATE TRIGGER v1_tr2 INSTEAD OF INSERT ON v1 BEGIN
INSERT INTO t6 VALUES(new.x);
END;
INSERT INTO v1 VALUES('c');
INSERT INTO v1 VALUES('d');
} {2}
finish_test