20260821230656

code/fms/.tmp-fkcheck/Verify.java

@@ -0,0 +1,40 @@
+import java.io.FileInputStream;
+import java.sql.*;
+import java.util.Properties;
+public class Verify {
+    public static void main(String[] args) throws Exception {
+        Properties props = new Properties();
+        try (FileInputStream in = new FileInputStream(args[0])) { props.load(in); }
+        try (Connection conn = DriverManager.getConnection(props.getProperty("url"), props.getProperty("username"), props.getProperty("password"))) {
+            // 1. identity columns
+            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery(
+                "SELECT OBJECT_NAME(ic.object_id) AS tbl, ic.name, ic.is_identity FROM sys.identity_columns ic WHERE ic.name='b_id'")) {
+                System.out.println("== identity columns on b_id ==");
+                if (!rs.next()) System.out.println("  NONE (all s_* tables b_id no longer identity)");
+                else { do { System.out.println("  " + rs.getString("tbl")); } while (rs.next()); }
+            }
+            // 2. all PKs still exist
+            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery(
+                "SELECT OBJECT_NAME(kc.parent_object_id) AS tbl, kc.name FROM sys.key_constraints kc WHERE kc.type='PK' AND kc.parent_object_id IN (SELECT object_id FROM sys.tables WHERE name LIKE 's' + char(95) + '%') ORDER BY 1")) {
+                System.out.println("== PKs ==");
+                while (rs.next()) System.out.println("  " + rs.getString("tbl") + " " + rs.getString("name"));
+            }
+            // 3. table count
+            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT COUNT(*) FROM sys.tables")) {
+                rs.next(); System.out.println("total_tables=" + rs.getInt(1));
+            }
+            // 4. FK count (should still be 0)
+            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT COUNT(*) FROM sys.foreign_keys")) {
+                rs.next(); System.out.println("physical_fk_count=" + rs.getInt(1));
+            }
+            // 5. b_user unchanged
+            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT is_identity FROM sys.columns WHERE object_id=OBJECT_ID('b_user') AND name='b_id'")) {
+                rs.next(); System.out.println("b_user.b_id is_identity=" + rs.getBoolean("is_identity"));
+            }
+            // 6. select from b_user to confirm it's still readable
+            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT COUNT(*) FROM b_user")) {
+                rs.next(); System.out.println("b_user row_count=" + rs.getInt(1));
+            }
+        }
+    }
+}