should be it

external/duckdb/test/sql/attach/attach_issue_7660.test

@@ -0,0 +1,34 @@
+# name: test/sql/attach/attach_issue_7660.test
+# description: Issue #7660 - USE databases causes export database to produce duplicate data
+# group: [attach]
+
+statement ok
+attach ':memory:' as test;
+
+statement ok
+use test;
+
+statement ok
+create table tbl1 as select 1 as a;
+
+query I
+FROM test.tbl1
+----
+1
+
+statement ok
+export database '__TEST_DIR__/test_issue_7660';
+
+statement ok
+USE memory
+
+statement ok
+DETACH test
+
+statement ok
+import database '__TEST_DIR__/test_issue_7660'
+
+query I
+FROM tbl1
+----
+1