1 files changed, 115 insertions, 0 deletions
diff --git a/test/upfrom1.tcl b/test/upfrom1.tcl
new file mode 100644
index 0000000..22fc68a
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+++ b/test/upfrom1.tcl
@@ -0,0 +1,115 @@
+# 2020 April 22
+#
+# 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.
+#
+#***********************************************************************
+#
+
+source [file join [file dirname $argv0] pg_common.tcl]
+
+#=========================================================================
+
+start_test upfrom1 "2020 April 22"
+
+foreach {tn wo} {
+  1 "WITHOUT ROWID"
+  2 ""
+} {
+eval [string map [list %TN% $tn %WITHOUT_ROWID% $wo] {
+execsql_test 1.%TN%.0 {
+  DROP TABLE IF EXISTS t2;
+  CREATE TABLE t2(a INTEGER PRIMARY KEY, b INTEGER, c INTEGER) %WITHOUT_ROWID%;
+  INSERT INTO t2 VALUES(1, 2, 3);
+  INSERT INTO t2 VALUES(4, 5, 6);
+  INSERT INTO t2 VALUES(7, 8, 9);
+
+  DROP TABLE IF EXISTS chng;
+  CREATE TABLE chng(a INTEGER, b INTEGER, c INTEGER);
+  INSERT INTO chng VALUES(1, 100, 1000);
+  INSERT INTO chng VALUES(7, 700, 7000);
+}
+
+execsql_test 1.%TN%.1 {
+  SELECT * FROM t2;
+}
+
+execsql_test 1.%TN%.2 {
+  UPDATE t2 SET b = chng.b, c = chng.c FROM chng WHERE chng.a = t2.a;
+  SELECT * FROM t2 ORDER BY a;
+}
+
+execsql_test 1.%TN%.3 {
+  DELETE FROM t2;
+  INSERT INTO t2 VALUES(1, 2, 3);
+  INSERT INTO t2 VALUES(4, 5, 6);
+  INSERT INTO t2 VALUES(7, 8, 9);
+}
+
+execsql_test 1.%TN%.4 {
+  UPDATE t2 SET (b, c) = (SELECT b, c FROM chng WHERE a=t2.a) 
+    WHERE a IN (SELECT a FROM chng);
+  SELECT * FROM t2 ORDER BY a;
+}
+
+execsql_test 1.%TN%.5 {
+  DROP TABLE IF EXISTS t3;
+  CREATE TABLE t3(a INTEGER PRIMARY KEY, b INTEGER, c TEXT) %WITHOUT_ROWID%;
+  INSERT INTO t3 VALUES(1, 1, 'one');
+  INSERT INTO t3 VALUES(2, 2, 'two');
+  INSERT INTO t3 VALUES(3, 3, 'three');
+
+  DROP TABLE IF EXISTS t4;
+  CREATE TABLE t4(x TEXT);
+  INSERT INTO t4 VALUES('five');
+
+  SELECT * FROM t3 ORDER BY a;
+}
+
+execsql_test 1.%TN%.6 {
+  UPDATE t3 SET c=x FROM t4;
+  SELECT * FROM t3 ORDER BY a;
+}
+}]}
+
+execsql_test 2.1 {
+  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');
+}
+
+execsql_test 2.2 {
+  UPDATE t5 SET b=y, c=v FROM m1 LEFT JOIN m2 ON (x=u) WHERE x=a;
+  SELECT * FROM t5 ORDER BY a;
+}
+
+errorsql_test 2.3.1 {
+  UPDATE t5 SET b=1 FROM t5;
+}
+errorsql_test 2.3.2 {
+  UPDATE t5 AS apples SET b=1 FROM t5 AS apples;
+}
+
+
+finish_test
+