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third_party/sqlite/src/test/triggerA.test

Index: third_party/sqlite/src/test/triggerA.test
diff --git a/third_party/sqlite/src/test/triggerA.test b/third_party/sqlite/src/test/triggerA.test
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+# 2008 February 12
+#
+# 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 issues relating to firing an INSTEAD OF trigger on a VIEW
+# when one tries to UPDATE or DELETE from the view.  Does the WHERE
+# clause of the UPDATE or DELETE statement get passed down correctly 
+# into the query that manifests the view?
+#
+# Ticket #2938
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+ifcapable !trigger||!compound {
+  finish_test
+  return
+}
+
+# Create two table containing some sample data
+#
+do_test triggerA-1.1 {
+  db eval {
+    CREATE TABLE t1(x INTEGER PRIMARY KEY, y TEXT UNIQUE);
+    CREATE TABLE t2(a INTEGER PRIMARY KEY, b INTEGER UNIQUE, c TEXT);
+  }
+  set i 1
+  foreach word {one two three four five six seven eight nine ten} {
+    set j [expr {$i*100 + [string length $word]}]
+    db eval {
+       INSERT INTO t1 VALUES($i,$word);
+       INSERT INTO t2 VALUES(20-$i,$j,$word);
+    }
+    incr i
+  }
+  db eval {
+    SELECT count(*) FROM t1 UNION ALL SELECT count(*) FROM t2;
+  }
+} {10 10}
+
+# Create views of various forms against one or both of the two tables.
+#
+do_test triggerA-1.2 {
+  db eval {
+     CREATE VIEW v1 AS SELECT y, x FROM t1;
+     SELECT * FROM v1 ORDER BY 1;
+  }
+} {eight 8 five 5 four 4 nine 9 one 1 seven 7 six 6 ten 10 three 3 two 2}
+do_test triggerA-1.3 {
+  db eval {
+     CREATE VIEW v2 AS SELECT x, y FROM t1 WHERE y GLOB '*e*';
+     SELECT * FROM v2 ORDER BY 1;
+  }
+} {1 one 3 three 5 five 7 seven 8 eight 9 nine 10 ten}
+do_test triggerA-1.4 {
+  db eval {
+     CREATE VIEW v3 AS
+       SELECT CAST(x AS TEXT) AS c1 FROM t1 UNION SELECT y FROM t1;
+     SELECT * FROM v3 ORDER BY c1;
+  }
+} {1 10 2 3 4 5 6 7 8 9 eight five four nine one seven six ten three two}
+do_test triggerA-1.5 {
+  db eval {
+     CREATE VIEW v4 AS
+        SELECT CAST(x AS TEXT) AS c1 FROM t1
+        UNION SELECT y FROM t1 WHERE x BETWEEN 3 and 5;
+     SELECT * FROM v4 ORDER BY 1;
+  }
+} {1 10 2 3 4 5 6 7 8 9 five four three}
+do_test triggerA-1.6 {
+  db eval {
+     CREATE VIEW v5 AS SELECT x, b FROM t1, t2 WHERE y=c;
+     SELECT * FROM v5 ORDER BY x DESC;
+  }
+} {10 1003 9 904 8 805 7 705 6 603 5 504 4 404 3 305 2 203 1 103}
+
+# Create INSTEAD OF triggers on the views.  Run UPDATE and DELETE statements
+# using those triggers.  Verify correct operation.
+#
+do_test triggerA-2.1 {
+  db eval {
+     CREATE TABLE result2(a,b);
+     CREATE TRIGGER r1d INSTEAD OF DELETE ON v1 BEGIN
+       INSERT INTO result2(a,b) VALUES(old.y, old.x);
+     END;
+     DELETE FROM v1 WHERE x=5;
+     SELECT * FROM result2;
+  }
+} {five 5}
+do_test triggerA-2.2 {
+  db eval {
+     CREATE TABLE result4(a,b,c,d);
+     CREATE TRIGGER r1u INSTEAD OF UPDATE ON v1 BEGIN
+       INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x);
+     END;
+     UPDATE v1 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5;
+     SELECT * FROM result4 ORDER BY a;
+  }
+} {five 5 five-extra 5 four 4 four-extra 4 three 3 three-extra 3}
+
+
+do_test triggerA-2.3 {
+  db eval {
+     DELETE FROM result2;
+     CREATE TRIGGER r2d INSTEAD OF DELETE ON v2 BEGIN
+       INSERT INTO result2(a,b) VALUES(old.y, old.x);
+     END;
+     DELETE FROM v2 WHERE x=5;
+     SELECT * FROM result2;
+  }
+} {five 5}
+do_test triggerA-2.4 {
+  db eval {
+     DELETE FROM result4;
+     CREATE TRIGGER r2u INSTEAD OF UPDATE ON v2 BEGIN
+       INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x);
+     END;
+     UPDATE v2 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5;
+     SELECT * FROM result4 ORDER BY a;
+  }
+} {five 5 five-extra 5 three 3 three-extra 3}
+
+
+do_test triggerA-2.5 {
+  db eval {
+     CREATE TABLE result1(a);
+     CREATE TRIGGER r3d INSTEAD OF DELETE ON v3 BEGIN
+       INSERT INTO result1(a) VALUES(old.c1);
+     END;
+     DELETE FROM v3 WHERE c1 BETWEEN '8' AND 'eight';
+     SELECT * FROM result1 ORDER BY a;
+  }
+} {8 9 eight}
+do_test triggerA-2.6 {
+  db eval {
+     DELETE FROM result2;
+     CREATE TRIGGER r3u INSTEAD OF UPDATE ON v3 BEGIN
+       INSERT INTO result2(a,b) VALUES(old.c1, new.c1);
+     END;
+     UPDATE v3 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight';
+     SELECT * FROM result2 ORDER BY a;
+  }
+} {8 8-extra 9 9-extra eight eight-extra}
+
+
+do_test triggerA-2.7 {
+  db eval {
+     DELETE FROM result1;
+     CREATE TRIGGER r4d INSTEAD OF DELETE ON v4 BEGIN
+       INSERT INTO result1(a) VALUES(old.c1);
+     END;
+     DELETE FROM v4 WHERE c1 BETWEEN '8' AND 'eight';
+     SELECT * FROM result1 ORDER BY a;
+  }
+} {8 9}
+do_test triggerA-2.8 {
+  db eval {
+     DELETE FROM result2;
+     CREATE TRIGGER r4u INSTEAD OF UPDATE ON v4 BEGIN
+       INSERT INTO result2(a,b) VALUES(old.c1, new.c1);
+     END;
+     UPDATE v4 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight';
+     SELECT * FROM result2 ORDER BY a;
+  }
+} {8 8-extra 9 9-extra}
+
+
+do_test triggerA-2.9 {
+  db eval {
+     DELETE FROM result2;
+     CREATE TRIGGER r5d INSTEAD OF DELETE ON v5 BEGIN
+       INSERT INTO result2(a,b) VALUES(old.x, old.b);
+     END;
+     DELETE FROM v5 WHERE x=5;
+     SELECT * FROM result2;
+  }
+} {5 504}
+do_test triggerA-2.10 {
+  db eval {
+     DELETE FROM result4;
+     CREATE TRIGGER r5u INSTEAD OF UPDATE ON v5 BEGIN
+       INSERT INTO result4(a,b,c,d) VALUES(old.x, old.b, new.x, new.b);
+     END;
+     UPDATE v5 SET b = b+9900000 WHERE x BETWEEN 3 AND 5;
+     SELECT * FROM result4 ORDER BY a;
+  }
+} {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504}
+
+# Only run the reamining tests if memory debugging is turned on.
+#
+ifcapable !memdebug {
+   puts "Skipping triggerA malloc tests: not compiled with -DSQLITE_MEMDEBUG..."
+   finish_test
+   return
+}
+source $testdir/malloc_common.tcl
+
+# Save a copy of the current database configuration.
+#
+db close
+file delete -force test.db-triggerA
+file copy test.db test.db-triggerA
+sqlite3 db test.db
+
+# Run malloc tests on the INSTEAD OF trigger firing.
+#
+do_malloc_test triggerA-3 -tclprep {
+  db close
+  file delete -force test.db test.db-journal
+  file copy -force test.db-triggerA test.db
+  sqlite3 db test.db
+  sqlite3_extended_result_codes db 1  
+  db eval {SELECT * FROM v5; -- warm up the cache}
+} -sqlbody {
+   DELETE FROM v5 WHERE x=5;
+   UPDATE v5 SET b=b+9900000 WHERE x BETWEEN 3 AND 5;
+}
+
+# Clean up the saved database copy.
+#
+file delete -force test.db-triggerA
+
+finish_test