20260821230656

code/fms/.tmp-fkcheck/MigrateRun2.java

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+import java.io.FileInputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+
+public class MigrateRun2 {
+    public static void main(String[] args) throws Exception {
+        Properties props = new Properties();
+        try (FileInputStream in = new FileInputStream(args[0])) { props.load(in); }
+        String script = new String(Files.readAllBytes(Paths.get(args[1])), StandardCharsets.UTF_8);
+
+        // split into per-table blocks by "-- ===== " headers
+        String[] blocks = script.split("(?m)^-- ===== ");
+        List<String> tableNames = new ArrayList<>();
+        List<List<String>> tableStmts = new ArrayList<>();
+        for (String b : blocks) {
+            if (b.isBlank()) continue;
+            String[] lines = b.split("\\R", 2);
+            String name = lines[0].trim();
+            String body = lines.length > 1 ? lines[1] : "";
+            if (!body.contains("ALTER TABLE") && !body.contains("EXEC sp_rename")) continue;
+            // drop GO lines, split statements by ';'
+            StringBuilder sb = new StringBuilder();
+            for (String line : body.split("\\R")) {
+                if (line.trim().equalsIgnoreCase("GO")) continue;
+                sb.append(line).append("\n");
+            }
+            List<String> stmts = new ArrayList<>();
+            for (String s : sb.toString().split(";")) {
+                String t = s.trim();
+                if (!t.isEmpty()) stmts.add(t);
+            }
+            tableNames.add(name);
+            tableStmts.add(stmts);
+        }
+
+        System.out.println("Tables to migrate: " + tableNames.size());
+        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
+        int ok = 0;
+        try (Connection conn = DriverManager.getConnection(props.getProperty("url"), props.getProperty("username"), props.getProperty("password"))) {
+            for (int t = 0; t < tableNames.size(); t++) {
+                String tbl = tableNames.get(t);
+                List<String> stmts = tableStmts.get(t);
+                conn.setAutoCommit(false);
+                boolean failed = false;
+                for (String s : stmts) {
+                    try (Statement st = conn.createStatement()) { st.execute(s); }
+                    catch (SQLException e) {
+                        System.err.println("FAILED on " + tbl + ": " + e.getMessage());
+                        System.err.println("  SQL: " + s.replaceAll("\\s+", " ").trim());
+                        failed = true; break;
+                    }
+                }
+                if (failed) { conn.rollback(); System.err.println("  -> ROLLED BACK " + tbl); }
+                else { conn.commit(); System.out.println("OK: " + tbl + " (" + stmts.size() + " stmts)"); ok++; }
+            }
+        }
+        System.out.println("\nMigrated OK: " + ok + "/" + tableNames.size());
+    }
+}