fix：修复完成了数据库问题，已经可以正常导入数据。

quantitative_data/importer.py

@@ -795,19 +795,18 @@ def init_database():
     logger.info("=" * 60)
     logger.info("初始化数据库 Schema ...")
 
-    # 尝试创建数据库 (如果不存在)
+    # 尝试创建数据库（如果不存在）
     try:
         admin_conn = psycopg2.connect(
             host=DB_CONFIG["host"],
             port=DB_CONFIG["port"],
-            database="postgres",  # 连接默认 postgres 库来创建新库
+            database="postgres",
             user=DB_CONFIG["user"],
             password=DB_CONFIG["password"],
         )
         admin_conn.autocommit = True
         cursor = admin_conn.cursor()
 
-        # 检查数据库是否存在
         cursor.execute(
             "SELECT 1 FROM pg_database WHERE datname = %s",
             (DB_CONFIG["database"],),
@@ -828,82 +827,25 @@ def init_database():
         logger.warning(f"  创建数据库步骤跳过 (可能无权限): {e}")
 
     # 执行 DDL
-    conn = get_pg_connection()
-    try:
     import os as _os
+    import re as _re
 
-        # 尝试使用 sqlparse 按语句拆分 (处理含分号的字符串字面量、函数体等)
+    schema_path = _os.path.join(
-        try:
+        _os.path.dirname(_os.path.abspath(__file__)), "schema.sql"
-            import sqlparse as _sqlparse
+    )
-            _USE_SQLPARSE = True
-        except ImportError:
-            _USE_SQLPARSE = False
-            logger.warning("  sqlparse 未安装，回退为简单分号拆分")
-
-        schema_path = _os.path.join(_os.path.dirname(_os.path.abspath(__file__)), "schema.sql")
     with open(schema_path, "r", encoding="utf-8") as f:
         ddl_sql = f.read()
 
-        if _USE_SQLPARSE:
+    # 先去掉单行注释，再按分号分句
-            raw_statements = _sqlparse.split(ddl_sql)
+    ddl_sql = _re.sub(r"^\s*--.*$", "", ddl_sql, flags=_re.MULTILINE)
-            statements = [
+    statements = [s.strip() for s in ddl_sql.split(";") if s.strip()]
-                s.strip() for s in raw_statements
-                if s.strip() and not s.strip().startswith("--")
-            ]
-        else:
-            statements = [
-                s.strip() for s in ddl_sql.split(";")
-                if s.strip() and not s.strip().startswith("--")
-            ]
-
-        # 按依赖关系排序：CREATE TABLE → CREATE INDEX → COMMENT ON → CREATE VIEW
-        # 避免 sqlparse 拆分后语句乱序导致 UndefinedTable 错误
-        _priority = {
-            "CREATE TABLE": 1,
-            "CREATE INDEX": 2,
-            "COMMENT ON": 3,
-            "CREATE OR REPLACE VIEW": 4,
-            "CREATE VIEW": 4,
-        }
-
-        def _stmt_priority(s):
-            upper = s.upper()
-            for keyword, prio in _priority.items():
-                if upper.startswith(keyword):
-                    return prio
-            return 99  # 兜底：最后执行
-
-        statements.sort(key=_stmt_priority)
-
-        # 设置 autocommit 模式：每条 DDL 独立事务，互不影响
-        # 否则 rollback 会撤销之前已成功执行的 CREATE TABLE
-        conn.autocommit = True
 
+    conn = get_pg_connection()
+    try:
         cursor = conn.cursor()
         for stmt in statements:
-            if stmt and not stmt.startswith("--"):
-                try:
             cursor.execute(stmt)
-                except Exception as e:
+        conn.commit()
-                    stmt_upper = stmt.upper()
-                    # 以下类型的语句失败视为可恢复的 warning，不中断整个初始化流程：
-                    #   1. 视图创建（依赖的基础表可能尚未创建）
-                    #   2. 索引创建（依赖的表可能尚未导入数据）
-                    #   3. COMMENT ON（依赖的表/视图可能尚未创建）
-                    is_recoverable = (
-                        "CREATE OR REPLACE VIEW" in stmt_upper
-                        or "CREATE VIEW" in stmt_upper
-                        or "CREATE INDEX" in stmt_upper
-                        or "COMMENT ON" in stmt_upper
-                    )
-                    if is_recoverable:
-                        logger.warning(f"  DDL 暂跳过（依赖尚未就绪）: {str(e)[:150]}\n  SQL: {stmt[:200]}")
-                    else:
-                        logger.error(f"  DDL 执行失败: {str(e)[:200]}\n  SQL: {stmt[:300]}")
-                        cursor.close()
-                        conn.close()
-                        raise
-
         cursor.close()
         logger.info("  Schema 初始化完成")
     except Exception as e:
@@ -913,7 +855,6 @@ def init_database():
     finally:
         conn.close()
 
-
 # ============================================================
 # 9. 获取所有股票列表 (辅助)
 # ============================================================