1 files changed, 130 insertions, 0 deletions
diff --git a/test/upfrom4.test b/test/upfrom4.test
new file mode 100644
index 0000000..b20e963
--- /dev/null
+++ b/test/upfrom4.test
@@ -0,0 +1,130 @@
+# 2022-05-24
+#
+# 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 upfrom4
+
+do_execsql_test 100 {
+  DROP TABLE IF EXISTS t5;
+  DROP TABLE IF EXISTS m1;
+  DROP TABLE IF EXISTS m2;
+  CREATE TABLE t5(a INTEGER PRIMARY KEY, b TEXT, c TEXT);
+  CREATE TABLE m1(x INTEGER PRIMARY KEY, y TEXT);
+  CREATE TABLE m2(u INTEGER PRIMARY KEY, v TEXT);
+
+  INSERT INTO t5 VALUES(1, 'one', 'ONE');
+  INSERT INTO t5 VALUES(2, 'two', 'TWO');
+  INSERT INTO t5 VALUES(3, 'three', 'THREE');
+  INSERT INTO t5 VALUES(4, 'four', 'FOUR');
+
+  INSERT INTO m1 VALUES(1, 'i');
+  INSERT INTO m1 VALUES(2, 'ii');
+  INSERT INTO m1 VALUES(3, 'iii');
+
+  INSERT INTO m2 VALUES(1, 'I');
+  INSERT INTO m2 VALUES(3, 'II');
+  INSERT INTO m2 VALUES(4, 'III');
+  SELECT * FROM t5;
+} {1 one ONE 2 two TWO 3 three THREE 4 four FOUR}
+
+do_execsql_test 110 {
+  BEGIN;
+  UPDATE t5 SET b=y, c=v FROM m1 LEFT JOIN m2 ON (x=u) WHERE x=a;
+  SELECT * FROM t5 ORDER BY a;
+  ROLLBACK;
+} {1 i I 2 ii {} 3 iii II 4 four FOUR}
+
+do_execsql_test 120 {
+  BEGIN;
+  UPDATE t5 SET b=y, c=v FROM m2 RIGHT JOIN m1 ON (x=u) WHERE x=a;
+  SELECT * FROM t5 ORDER BY a;
+  ROLLBACK;
+} {1 i I 2 ii {} 3 iii II 4 four FOUR}
+
+
+reset_db
+db null -
+do_execsql_test 200 {
+  CREATE TABLE t1(a INT PRIMARY KEY, b INT, c INT);
+  INSERT INTO t1(a) VALUES(1),(2),(8),(19);
+  CREATE TABLE c1(x INTEGER PRIMARY KEY, b INT);
+  INSERT INTO c1(x,b) VALUES(1,1),(8,8),(17,17),(NULL,NULL);
+  CREATE TABLE c2(x INT,c INT);
+  INSERT INTO c2(x,c) VALUES(2,2),(8,8),(NULL,NULL);
+  CREATE TABLE dual(dummy TEXT);
+  INSERT INTO dual VALUES('X');
+} {}
+do_execsql_test 210 {
+  BEGIN;
+  SELECT * FROM t1 ORDER BY a;
+  UPDATE t1 SET b=c1.b, c=c2.c
+    FROM dual, c1 NATURAL RIGHT JOIN c2
+   WHERE x=a;
+  SELECT * FROM t1 ORDER BY a;
+  ROLLBACK;
+} {
+  1  -  -
+  2  -  -
+  8  -  -
+  19 -  -
+  1  -  -
+  2  -  2
+  8  8  8
+  19 -  -
+}
+do_execsql_test 300 {
+  CREATE TABLE t2(x);
+  CREATE TRIGGER AFTER INSERT ON t2 BEGIN
+    UPDATE t1 SET b=c1.b, c=c2.c
+      FROM dual, c1 NATURAL RIGHT JOIN c2
+     WHERE x=a;
+  END;
+} {}
+do_execsql_test 310 {
+  BEGIN;
+  SELECT * FROM t1 ORDER BY a;
+  INSERT INTO t2(x) VALUES(1);
+  SELECT * FROM t1 ORDER BY a;
+  ROLLBACK;
+} {
+  1  -  -
+  2  -  -
+  8  -  -
+  19 -  -
+  1  -  -
+  2  -  2
+  8  8  8
+  19 -  -
+}
+
+# 2022-05-26 dbsqlfuzz crash-9401d6ba699f1257d352a657de236286bf2b14da
+#
+reset_db
+db null -
+do_execsql_test 400 {
+  CREATE TABLE t2(x,y,z PRIMARY KEY) WITHOUT ROWID;
+  INSERT INTO t2 VALUES(89,-89,6);
+  CREATE TABLE t1(a INT,b TEXT,c TEXT,d REAL) STRICT;
+  INSERT INTO t1 VALUES(1,'xyz','def',4.5);
+  CREATE TRIGGER t1tr BEFORE UPDATE ON t1 BEGIN
+    INSERT INTO t1(a,b) VALUES(1000,'uvw');
+    UPDATE t1 SET b=NULL FROM (SELECT CAST(a AS varchar) FROM t1 ORDER BY b) NATURAL LEFT FULL JOIN t1 AS text;
+  END;
+  UPDATE t1 SET b=b|100;
+  SELECT * FROM t1 ORDER BY a;
+} {
+  1    100  def 4.5
+  1000 -    -   -
+}
+
+finish_test