Index: third_party/sqlite/sqlite-src-3070603/test/triggerB.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/triggerB.test b/third_party/sqlite/sqlite-src-3070603/test/triggerB.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ac4f37bcf4cadab496cadb73f97af825d08e222f |
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+# 2008 April 15 |
+# |
+# 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. Specifically, |
+# it tests updating tables with constraints within a trigger. Ticket #3055. |
+# |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ifcapable {!trigger} { |
+ finish_test |
+ return |
+} |
+ |
+# Create test tables with constraints. |
+# |
+do_test triggerB-1.1 { |
+ execsql { |
+ CREATE TABLE x(x INTEGER PRIMARY KEY, y INT NOT NULL); |
+ INSERT INTO x(y) VALUES(1); |
+ INSERT INTO x(y) VALUES(1); |
+ CREATE TEMP VIEW vx AS SELECT x, y, 0 AS yy FROM x; |
+ CREATE TEMP TRIGGER tx INSTEAD OF UPDATE OF y ON vx |
+ BEGIN |
+ UPDATE x SET y = new.y WHERE x = new.x; |
+ END; |
+ SELECT * FROM vx; |
+ } |
+} {1 1 0 2 1 0} |
+do_test triggerB-1.2 { |
+ execsql { |
+ UPDATE vx SET y = yy; |
+ SELECT * FROM vx; |
+ } |
+} {1 0 0 2 0 0} |
+ |
+# Added 2008-08-22: |
+# |
+# Name resolution within triggers. |
+# |
+do_test triggerB-2.1 { |
+ catchsql { |
+ CREATE TRIGGER ty AFTER INSERT ON x BEGIN |
+ SELECT wen.x; -- Unrecognized name |
+ END; |
+ INSERT INTO x VALUES(1,2); |
+ } |
+} {1 {no such column: wen.x}} |
+do_test triggerB-2.2 { |
+ catchsql { |
+ CREATE TRIGGER tz AFTER UPDATE ON x BEGIN |
+ SELECT dlo.x; -- Unrecognized name |
+ END; |
+ UPDATE x SET y=y+1; |
+ } |
+} {1 {no such column: dlo.x}} |
+ |
+do_test triggerB-2.3 { |
+ execsql { |
+ CREATE TABLE t2(a INTEGER PRIMARY KEY, b); |
+ INSERT INTO t2 VALUES(1,2); |
+ CREATE TABLE changes(x,y); |
+ CREATE TRIGGER r1t2 AFTER UPDATE ON t2 BEGIN |
+ INSERT INTO changes VALUES(new.a, new.b); |
+ END; |
+ } |
+ execsql { |
+ UPDATE t2 SET a=a+10; |
+ SELECT * FROM changes; |
+ } |
+} {11 2} |
+do_test triggerB-2.4 { |
+ execsql { |
+ CREATE TRIGGER r2t2 AFTER DELETE ON t2 BEGIN |
+ INSERT INTO changes VALUES(old.a, old.c); |
+ END; |
+ } |
+ catchsql { |
+ DELETE FROM t2; |
+ } |
+} {1 {no such column: old.c}} |
+ |
+# Triggers maintain a mask of columns from the invoking table that are |
+# used in the trigger body as NEW.column or OLD.column. That mask is then |
+# used to reduce the amount of information that needs to be loaded into |
+# the NEW and OLD pseudo-tables at run-time. |
+# |
+# These tests cases check the logic for when there are many columns - more |
+# than will fit in a bitmask. |
+# |
+do_test triggerB-3.1 { |
+ execsql { |
+ CREATE TABLE t3( |
+ c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, |
+ c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, |
+ c20, c21, c22, c23, c24, c25, c26, c27, c28, c29, |
+ c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, |
+ c40, c41, c42, c43, c44, c45, c46, c47, c48, c49, |
+ c50, c51, c52, c53, c54, c55, c56, c57, c58, c59, |
+ c60, c61, c62, c63, c64, c65 |
+ ); |
+ CREATE TABLE t3_changes(colnum, oldval, newval); |
+ INSERT INTO t3 VALUES( |
+ 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', |
+ 'a10','a11','a12','a13','a14','a15','a16','a17','a18','a19', |
+ 'a20','a21','a22','a23','a24','a25','a26','a27','a28','a29', |
+ 'a30','a31','a32','a33','a34','a35','a36','a37','a38','a39', |
+ 'a40','a41','a42','a43','a44','a45','a46','a47','a48','a49', |
+ 'a50','a51','a52','a53','a54','a55','a56','a57','a58','a59', |
+ 'a60','a61','a62','a63','a64','a65' |
+ ); |
+ } |
+ for {set i 0} {$i<=65} {incr i} { |
+ set sql [subst { |
+ CREATE TRIGGER t3c$i AFTER UPDATE ON t3 |
+ WHEN old.c$i!=new.c$i BEGIN |
+ INSERT INTO t3_changes VALUES($i, old.c$i, new.c$i); |
+ END |
+ }] |
+ db eval $sql |
+ } |
+ execsql { |
+ SELECT * FROM t3_changes |
+ } |
+} {} |
+for {set i 0} {$i<=64} {incr i} { |
+ do_test triggerB-3.2.$i.1 [subst { |
+ execsql { |
+ UPDATE t3 SET c$i='b$i'; |
+ SELECT * FROM t3_changes ORDER BY rowid DESC LIMIT 1; |
+ } |
+ }] [subst {$i a$i b$i}] |
+ do_test triggerB-3.2.$i.2 [subst { |
+ execsql { |
+ SELECT count(*) FROM t3_changes |
+ } |
+ }] [expr {$i+1}] |
+ do_test triggerB-3.2.$i.2 [subst { |
+ execsql { |
+ SELECT * FROM t3_changes WHERE colnum=$i |
+ } |
+ }] [subst {$i a$i b$i}] |
+} |
+ |
+ |
+finish_test |