logictest: frontport test from #96124

pkg/sql/logictest/testdata/logic_test/schema_change_in_txn

@@ -1950,3 +1950,50 @@ DROP SCHEMA sc;
 # Prior to fixing this bug, this commit would hang indefinitely.
 statement ok
 COMMIT;
+
+# This is a regression test to handle the case where a newly created table or
+# a previously unleased table are referenced in a transaction involving
+# transactional constraint validation.
+subtest validate_constraint_referencing_modified_table
+
+statement ok
+CREATE TABLE t1 (id STRING PRIMARY KEY, other_id STRING NOT NULL);
+CREATE TABLE t2 (id STRING PRIMARY KEY);
+ALTER TABLE t1 ADD CONSTRAINT fk FOREIGN KEY (other_id) REFERENCES t2(id) NOT VALID;
+
+statement ok
+BEGIN;
+SET TRANSACTION PRIORITY HIGH;
+ALTER TABLE t2 RENAME TO t3;
+ALTER TABLE t1 VALIDATE CONSTRAINT fk;
+COMMIT;
+
+statement ok
+DROP TABLE t1, t3 CASCADE
+
+statement ok
+CREATE TABLE t1 (id STRING PRIMARY KEY, other_id STRING NOT NULL);
+CREATE TABLE t2 (id STRING PRIMARY KEY);
+ALTER TABLE t1 ADD CONSTRAINT fk FOREIGN KEY (other_id) REFERENCES t2(id) NOT VALID;
+
+statement ok
+BEGIN;
+SET TRANSACTION PRIORITY HIGH;
+ALTER TABLE t1 RENAME TO t3;
+ALTER TABLE t3 VALIDATE CONSTRAINT fk;
+COMMIT;
+
+statement ok
+DROP TABLE t2, t3 CASCADE
+
+statement ok
+BEGIN;
+SET TRANSACTION PRIORITY HIGH;
+CREATE TABLE t1 (id STRING PRIMARY KEY, other_id STRING NOT NULL);
+CREATE TABLE t2 (id STRING PRIMARY KEY);
+ALTER TABLE t1 ADD CONSTRAINT fk FOREIGN KEY (other_id) REFERENCES t2(id);
+ALTER TABLE t1 VALIDATE CONSTRAINT fk;
+COMMIT;
+
+statement ok
+DROP TABLE t1, t2 CASCADE