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163 lines
3.5 KiB
Plaintext
163 lines
3.5 KiB
Plaintext
# 2022 May 27
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#*************************************************************************
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix altertrig
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# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
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ifcapable !altertable {
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finish_test
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return
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}
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proc collapse_whitespace {in} {
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regsub -all {[ \t\n]+} [string trim $in] { }
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}
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proc do_whitespace_sql_test {tn sql res} {
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set got [execsql $sql]
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set wgot [list]
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set wres [list]
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foreach g $got { lappend wgot [collapse_whitespace $g] }
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foreach r $res { lappend wres [collapse_whitespace $r] }
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uplevel [list do_test $tn [list set {} $wgot] $wres]
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}
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do_execsql_test 1.0 {
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CREATE TABLE t1(x);
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CREATE TABLE t2(y);
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CREATE TABLE t3(z);
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CREATE TABLE t4(a);
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CREATE TRIGGER r1 INSERT ON t1 BEGIN
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UPDATE t1 SET d='xyz' FROM t2, t3;
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END;
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}
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do_whitespace_sql_test 1.1 {
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ALTER TABLE t3 RENAME TO t5;
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SELECT sql FROM sqlite_schema WHERE type='trigger';
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} {{
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CREATE TRIGGER r1 INSERT ON t1 BEGIN
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UPDATE t1 SET d='xyz' FROM t2, "t5";
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END
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}}
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do_execsql_test 1.2 {
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DROP TRIGGER r1;
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CREATE TRIGGER r1 INSERT ON t1 BEGIN
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UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM t5);
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END;
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}
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do_whitespace_sql_test 1.3 {
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ALTER TABLE t5 RENAME TO t3;
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SELECT sql FROM sqlite_schema WHERE type='trigger';
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} {{
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CREATE TRIGGER r1 INSERT ON t1 BEGIN
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UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM "t3");
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END
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}}
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foreach {tn alter update final} {
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1 {
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ALTER TABLE t3 RENAME TO t10
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} {
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UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM t3)
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} {
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UPDATE t1 SET d='xyz' FROM t2, (SELECT * FROM "t10")
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}
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2 {
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ALTER TABLE t3 RENAME TO t10
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} {
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UPDATE t1 SET a='xyz' FROM t3, (SELECT * FROM (SELECT e FROM t3))
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} {
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UPDATE t1 SET a='xyz' FROM "t10", (SELECT * FROM (SELECT e FROM "t10"))
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}
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3 {
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ALTER TABLE t3 RENAME e TO abc
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} {
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UPDATE t1 SET a='xyz' FROM t3, (SELECT * FROM (SELECT e FROM t3))
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} {
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UPDATE t1 SET a='xyz' FROM t3, (SELECT * FROM (SELECT abc FROM t3))
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}
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4 {
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ALTER TABLE t2 RENAME c TO abc
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} {
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UPDATE t1 SET a='xyz' FROM t3, (SELECT 1 FROM t2 WHERE c)
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} {
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UPDATE t1 SET a='xyz' FROM t3, (SELECT 1 FROM t2 WHERE abc)
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}
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5 {
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ALTER TABLE t2 RENAME c TO abc
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} {
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UPDATE t1 SET a=t2.c FROM t2
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} {
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UPDATE t1 SET a=t2.abc FROM t2
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}
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6 {
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ALTER TABLE t2 RENAME c TO abc
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} {
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UPDATE t1 SET a=t2.c FROM t2, t3
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} {
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UPDATE t1 SET a=t2.abc FROM t2, t3
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}
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7 {
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ALTER TABLE t4 RENAME e TO abc
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} {
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UPDATE t1 SET a=1 FROM t3 NATURAL JOIN t4 WHERE t4.e=a
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} {
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UPDATE t1 SET a=1 FROM t3 NATURAL JOIN t4 WHERE t4.abc=a
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}
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8 {
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ALTER TABLE t4 RENAME TO abc
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} {
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UPDATE t1 SET a=1 FROM t3 NATURAL JOIN t4 WHERE t4.e=a
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} {
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UPDATE t1 SET a=1 FROM t3 NATURAL JOIN "abc" WHERE "abc".e=a
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}
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} {
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reset_db
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do_execsql_test 2.$tn.1 {
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CREATE TABLE t1(a,b);
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CREATE TABLE t2(c,d);
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CREATE TABLE t3(e,f);
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CREATE TABLE t4(e,f);
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}
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do_execsql_test 2.$tn.2 "
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CREATE TRIGGER r1 INSERT ON t1 BEGIN
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$update;
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END
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"
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do_execsql_test 2.$tn.3 $alter
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do_whitespace_sql_test 2.$tn.4 {
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SELECT sqL FROM sqlite_schema WHERE type='trigger'
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} "{
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CREATE TRIGGER r1 INSERT ON t1 BEGIN
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$final;
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END
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}"
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}
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finish_test
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