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162 lines (141 loc) · 3.49 KB
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# 2022 May 27
#
# 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 altertrig
# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
ifcapable !altertable {
finish_test
return
}
proc collapse_whitespace {in} {
regsub -all {[ \t\n]+} [string trim $in] { }
}
proc do_whitespace_sql_test {tn sql res} {
set got [execsql $sql]
set wgot [list]
set wres [list]
foreach g $got { lappend wgot [collapse_whitespace $g] }
foreach r $res { lappend wres [collapse_whitespace $r] }
uplevel [list do_test $tn [list set {} $wgot] $wres]
}
do_execsql_test 1.0 {
CREATE TABLE t1(x);
CREATE TABLE t2(y);
CREATE TABLE t3(z);
CREATE TABLE t4(a);
CREATE TRIGGER r1 INSERT ON t1 BEGIN
UPDATE t1 SET d='xyz' FROM t2, t3;
END;
}
do_whitespace_sql_test 1.1 {
ALTER TABLE t3 RENAME TO t5;
SELECT sql FROM sqlite_schema WHERE type='trigger';
} {{
CREATE TRIGGER r1 INSERT ON t1 BEGIN
UPDATE t1 SET d='xyz' FROM t2, "t5";
END
}}
do_execsql_test 1.2 {
DROP TRIGGER r1;
CREATE TRIGGER r1 INSERT ON t1 BEGIN
UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM t5);
END;
}
do_whitespace_sql_test 1.3 {
ALTER TABLE t5 RENAME TO t3;
SELECT sql FROM sqlite_schema WHERE type='trigger';
} {{
CREATE TRIGGER r1 INSERT ON t1 BEGIN
UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM "t3");
END
}}
foreach {tn alter update final} {
1 {
ALTER TABLE t3 RENAME TO t10
} {
UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM t3)
} {
UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM "t10")
}
2 {
ALTER TABLE t3 RENAME TO t10
} {
UPDATE t1 SET a='xyz' FROM t3, (SELECT * FROM (SELECT e FROM t3))
} {
UPDATE t1 SET a='xyz' FROM "t10", (SELECT * FROM (SELECT e FROM "t10"))
}
3 {
ALTER TABLE t3 RENAME e TO abc
} {
UPDATE t1 SET a='xyz' FROM t3, (SELECT * FROM (SELECT e FROM t3))
} {
UPDATE t1 SET a='xyz' FROM t3, (SELECT * FROM (SELECT abc FROM t3))
}
4 {
ALTER TABLE t2 RENAME c TO abc
} {
UPDATE t1 SET a='xyz' FROM t3, (SELECT 1 FROM t2 WHERE c)
} {
UPDATE t1 SET a='xyz' FROM t3, (SELECT 1 FROM t2 WHERE abc)
}
5 {
ALTER TABLE t2 RENAME c TO abc
} {
UPDATE t1 SET a=t2.c FROM t2
} {
UPDATE t1 SET a=t2.abc FROM t2
}
6 {
ALTER TABLE t2 RENAME c TO abc
} {
UPDATE t1 SET a=t2.c FROM t2, t3
} {
UPDATE t1 SET a=t2.abc FROM t2, t3
}
7 {
ALTER TABLE t4 RENAME e TO abc
} {
UPDATE t1 SET a=1 FROM t3 NATURAL JOIN t4 WHERE t4.e=a
} {
UPDATE t1 SET a=1 FROM t3 NATURAL JOIN t4 WHERE t4.abc=a
}
8 {
ALTER TABLE t4 RENAME TO abc
} {
UPDATE t1 SET a=1 FROM t3 NATURAL JOIN t4 WHERE t4.e=a
} {
UPDATE t1 SET a=1 FROM t3 NATURAL JOIN "abc" WHERE "abc".e=a
}
} {
reset_db
do_execsql_test 2.$tn.1 {
CREATE TABLE t1(a,b);
CREATE TABLE t2(c,d);
CREATE TABLE t3(e,f);
CREATE TABLE t4(e,f);
}
do_execsql_test 2.$tn.2 "
CREATE TRIGGER r1 INSERT ON t1 BEGIN
$update;
END
"
do_execsql_test 2.$tn.3 $alter
do_whitespace_sql_test 2.$tn.4 {
SELECT sqL FROM sqlite_schema WHERE type='trigger'
} "{
CREATE TRIGGER r1 INSERT ON t1 BEGIN
$final;
END
}"
}
finish_test