feat: 增加DDL语句生成小工具

leopard-core/src/main/java/com/lanyuanxiaoyao/leopard/core/entity/Stock.java

@@ -9,7 +9,6 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.EntityListeners;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
-import jakarta.persistence.ManyToMany;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
 import java.time.LocalDate;
@@ -74,10 +73,6 @@ public class Stock extends SimpleEntity {
   @ToString.Exclude
   private Set<CashFlow> cashFlows;
 
-  @ManyToMany
-  @ToString.Exclude
-  private Set<StockCollection> collections;
-
   @Getter
   @AllArgsConstructor
   public enum Market implements SimpleEnum {

leopard-core/src/test/java/com/lanyuanxiaoyao/leopard/core/GenerateDDL.java

@@ -0,0 +1,25 @@
+package com.lanyuanxiaoyao.leopard.core;
+
+import com.lanyuanxiaoyao.service.template.util.DDLGenerator;
+import org.hibernate.dialect.PostgreSQLDialect;
+import org.postgresql.Driver;
+
+/**
+ * 建表语句
+ *
+ * @author lanyuanxiaoyao
+ * @version 20250911
+ */
+public class GenerateDDL {
+  public static void main(String[] args) {
+    DDLGenerator.generateDDL(
+      "com.lanyuanxiaoyao.leopard.core.entity",
+      "/Users/lanyuanxiaoyao/Project/IdeaProjects/leopard/leopard-core/target",
+      PostgreSQLDialect.class,
+      "jdbc:postgresql://81.71.3.24:6785/leopard_dev",
+      "leopard",
+      "9NEzFzovnddf@PyEP?e*AYAWnCyd7UhYwQK$pJf>7?ccFiN^x4$eKEZ5~E<7<+~X",
+      Driver.class
+    );
+  }
+}