# 2016 February 19
#
# 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 tests for the REGEXP operator in ext/misc/regexp.c.
# It focuses on the use of the sqlite3_set_auxdata()/get_auxdata() APIs.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix regexp2
load_static_extension db regexp
#-------------------------------------------------------------------------
# Test that triggers do not become confused and use aux-data created by
# a different trigger for a different REGEXP invocation.
#
do_execsql_test 1.0 {
CREATE TABLE t1(a, b, c);
CREATE TABLE x1(x, y, z);
CREATE TABLE x2(x, y, z);
CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
INSERT INTO x1 VALUES(
new.a REGEXP 'abc',
new.b REGEXP 'abc',
new.c REGEXP 'abc'
);
END;
CREATE TRIGGER tr2 AFTER INSERT ON t1 BEGIN
INSERT INTO x2 VALUES(
new.a REGEXP 'def',
new.b REGEXP 'def',
new.c REGEXP 'def'
);
END;
INSERT INTO t1 VALUES('abc', 'def', 'abc');
SELECT * FROM t1;
} {abc def abc}
do_execsql_test 1.1 { SELECT * FROM x1 } {1 0 1}
do_execsql_test 1.2 { SELECT * FROM x2 } {0 1 0}
#-------------------------------------------------------------------------
# Test that if an exception is thrown several triggers deep, all aux-data
# objects are cleaned up correctly.
#
proc sql_error {} {
error "SQL error!"
}
db func error sql_error
do_execsql_test 2.0 {
CREATE TABLE t2(a, b);
CREATE TABLE t3(c, d);
CREATE TABLE t4(e, f);
CREATE TRIGGER t2_tr1 AFTER UPDATE ON t2 BEGIN
UPDATE t3 SET d = new.b WHERE c = old.a;
END;
CREATE TRIGGER t3_tr1 AFTER UPDATE ON t3 BEGIN
UPDATE t4 SET f = new.d WHERE e = old.c AND new.d REGEXP 'a.*';
END;
CREATE TRIGGER t4_tr1 AFTER UPDATE ON t4 BEGIN
SELECT CASE WHEN new.f REGEXP '.*y.*' THEN error() ELSE 1 END;
END;
INSERT INTO t2 VALUES(1, 'a_x_1');
INSERT INTO t2 VALUES(2, 'a_y_1');
INSERT INTO t3 VALUES(1, 'b1');
INSERT INTO t3 VALUES(2, 'b2');
INSERT INTO t4 VALUES(1, 'b1');
INSERT INTO t4 VALUES(2, 'b2');
} {}
do_catchsql_test 2.1 {
UPDATE t2 SET a=a+1 WHERE b REGEXP 'a.*' AND b REGEXP '.*1';
} {1 {SQL error!}}
# Test that the triggers used in the test above work as expected.
#
do_execsql_test 2.2 {
UPDATE t2 SET b = 'a_abc_1';
} {}
do_execsql_test 2.3 {
SELECT * FROM t2;
SELECT * FROM t3;
SELECT * FROM t4;
} {1 a_abc_1 2 a_abc_1 1 a_abc_1 2 a_abc_1 1 a_abc_1 2 a_abc_1}
#-------------------------------------------------------------------------
# Test that trigger parameters (i.e. new.* and old.*) refs are not
# considered to be constant across separate invocations of the trigger.
#
do_execsql_test 3.0 {
CREATE TABLE t5(a);
CREATE TABLE t6(x);
CREATE TRIGGER t5tr AFTER DELETE ON t5 BEGIN
DELETE FROM t6 WHERE t6.x REGEXP old.a;
END;
INSERT INTO t5 VALUES ('^a.*'), ('^b.*'), ('^c.*');
INSERT INTO t6 VALUES ('eab'), ('abc'), ('bcd'), ('cde'), ('dea');
DELETE FROM t5;
SELECT * FROM t6;
} {eab dea}
finish_test