should be it

external/duckdb/test/sql/update/test_update.test

@@ -0,0 +1,102 @@
+# name: test/sql/update/test_update.test
+# description: Test standard update behavior
+# group: [update]
+
+statement ok
+PRAGMA enable_verification
+
+# create a table
+statement ok con1
+CREATE TABLE test (a INTEGER);
+
+statement ok con1
+INSERT INTO test VALUES (3)
+
+query I con1
+SELECT * FROM test
+----
+3
+
+query I con1
+SELECT * FROM test WHERE a=3
+----
+3
+
+# test simple update
+statement ok con1
+BEGIN TRANSACTION
+
+statement ok con1
+UPDATE test SET a=1
+
+# not seen yet by con2, only by con1
+query I con1
+SELECT * FROM test
+----
+1
+
+query I con1
+SELECT * FROM test WHERE a=1
+----
+1
+
+query I con2
+SELECT * FROM test
+----
+3
+
+query I con2
+SELECT * FROM test WHERE a=3
+----
+3
+
+# commit
+statement ok con1
+COMMIT
+
+query I con1
+SELECT * FROM test
+----
+1
+
+query I con2
+SELECT * FROM test
+----
+1
+
+# now test a rollback
+statement ok con1
+BEGIN TRANSACTION
+
+statement ok con1
+UPDATE test SET a=4
+
+# not seen yet by con2, only by con1
+query I con1
+SELECT * FROM test
+----
+4
+
+query I con2
+SELECT * FROM test
+----
+1
+
+statement ok con1
+ROLLBACK
+
+query I con1
+SELECT * FROM test
+----
+1
+
+query I con1
+SELECT * FROM test WHERE a=1
+----
+1
+
+query I con2
+SELECT * FROM test
+----
+1
+