should be it

external/duckdb/test/sql/constraints/check/check_struct.test

@@ -0,0 +1,27 @@
+# name: test/sql/constraints/check/check_struct.test
+# description: CHECK constraint on structs
+# group: [check]
+
+statement ok
+CREATE TABLE tbl(t ROW(t INTEGER) CHECK(t.t=42));
+
+statement error
+INSERT INTO tbl VALUES ({'t': 43})
+----
+
+statement ok
+INSERT INTO tbl VALUES ({'t': 42})
+
+statement ok
+DROP TABLE tbl;
+
+# we can also do this while referencing the table name
+statement ok
+CREATE TABLE tbl(t ROW(t INTEGER) CHECK(tbl.t.t=42));
+
+statement error
+INSERT INTO tbl VALUES ({'t': 43})
+----
+
+statement ok
+INSERT INTO tbl VALUES ({'t': 42})

external/duckdb/test/sql/constraints/check/test_check.test

@@ -0,0 +1,74 @@
+# name: test/sql/constraints/check/test_check.test
+# description: CHECK constraint
+# group: [check]
+
+statement ok
+CREATE TABLE integers(i INTEGER CHECK(i < 5))
+
+statement ok
+INSERT INTO integers VALUES (3)
+
+statement error
+INSERT INTO integers VALUES (7)
+----
+
+statement ok
+INSERT INTO integers VALUES (NULL)
+
+query I
+SELECT * FROM integers
+----
+3
+NULL
+
+statement ok
+DROP TABLE integers;
+
+statement ok
+CREATE TABLE integers(i INTEGER CHECK(i + j < 10), j INTEGER)
+
+statement ok
+INSERT INTO integers VALUES (3, 3)
+
+statement error
+INSERT INTO integers VALUES (5, 5)
+----
+
+statement error
+INSERT INTO integers VALUES (3, 3), (5, 5)
+----
+
+query II
+SELECT * FROM integers
+----
+3	3
+
+statement error
+CREATE TABLE indirect_subq(
+	i INTEGER,
+	CHECK (i > (2 * (SELECT(1))))
+);
+----
+
+statement error
+CREATE TABLE integers2(i INTEGER CHECK(i > (SELECT 42)), j INTEGER)
+----
+
+statement error
+CREATE TABLE integers2(i INTEGER CHECK(i > SUM(j)), j INTEGER)
+----
+
+statement error
+CREATE TABLE integers3(i INTEGER CHECK(k < 10), j INTEGER)
+----
+
+statement error
+CREATE TABLE integers3(i INTEGER CHECK(integers3.k < 10), j INTEGER)
+----
+
+statement error
+CREATE TABLE integers3(i INTEGER CHECK(integers2.i < 10), j INTEGER)
+----
+
+statement ok
+CREATE TABLE integers4(i INTEGER CHECK(integers4.i < 10), j INTEGER)