From 1dac2263372df2b85db5d029a45721fa158a5c9d Mon Sep 17 00:00:00 2001
From: xiubuzhe <xiubuzhe@sina.com>
Date: Sun, 8 Oct 2023 20:59:00 +0800
Subject: first add files

---
 lib/sqlalchemy/dialects/mysql/provision.py | 78 ++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 lib/sqlalchemy/dialects/mysql/provision.py

(limited to 'lib/sqlalchemy/dialects/mysql/provision.py')

diff --git a/lib/sqlalchemy/dialects/mysql/provision.py b/lib/sqlalchemy/dialects/mysql/provision.py
new file mode 100644
index 0000000..86aaa94
--- /dev/null
+++ b/lib/sqlalchemy/dialects/mysql/provision.py
@@ -0,0 +1,78 @@
+from ... import exc
+from ...testing.provision import configure_follower
+from ...testing.provision import create_db
+from ...testing.provision import drop_db
+from ...testing.provision import generate_driver_url
+from ...testing.provision import temp_table_keyword_args
+
+
+@generate_driver_url.for_db("mysql", "mariadb")
+def generate_driver_url(url, driver, query_str):
+    backend = url.get_backend_name()
+
+    # NOTE: at the moment, tests are running mariadbconnector
+    # against both mariadb and mysql backends.   if we want this to be
+    # limited, do the decision making here to reject a "mysql+mariadbconnector"
+    # URL.  Optionally also re-enable the module level
+    # MySQLDialect_mariadbconnector.is_mysql flag as well, which must include
+    # a unit and/or functional test.
+
+    # all the Jenkins tests have been running mysqlclient Python library
+    # built against mariadb client drivers for years against all MySQL /
+    # MariaDB versions going back to MySQL 5.6, currently they can talk
+    # to MySQL databases without problems.
+
+    if backend == "mysql":
+        dialect_cls = url.get_dialect()
+        if dialect_cls._is_mariadb_from_url(url):
+            backend = "mariadb"
+
+    new_url = url.set(
+        drivername="%s+%s" % (backend, driver)
+    ).update_query_string(query_str)
+
+    try:
+        new_url.get_dialect()
+    except exc.NoSuchModuleError:
+        return None
+    else:
+        return new_url
+
+
+@create_db.for_db("mysql", "mariadb")
+def _mysql_create_db(cfg, eng, ident):
+    with eng.begin() as conn:
+        try:
+            _mysql_drop_db(cfg, conn, ident)
+        except Exception:
+            pass
+
+    with eng.begin() as conn:
+        conn.exec_driver_sql(
+            "CREATE DATABASE %s CHARACTER SET utf8mb4" % ident
+        )
+        conn.exec_driver_sql(
+            "CREATE DATABASE %s_test_schema CHARACTER SET utf8mb4" % ident
+        )
+        conn.exec_driver_sql(
+            "CREATE DATABASE %s_test_schema_2 CHARACTER SET utf8mb4" % ident
+        )
+
+
+@configure_follower.for_db("mysql", "mariadb")
+def _mysql_configure_follower(config, ident):
+    config.test_schema = "%s_test_schema" % ident
+    config.test_schema_2 = "%s_test_schema_2" % ident
+
+
+@drop_db.for_db("mysql", "mariadb")
+def _mysql_drop_db(cfg, eng, ident):
+    with eng.begin() as conn:
+        conn.exec_driver_sql("DROP DATABASE %s_test_schema" % ident)
+        conn.exec_driver_sql("DROP DATABASE %s_test_schema_2" % ident)
+        conn.exec_driver_sql("DROP DATABASE %s" % ident)
+
+
+@temp_table_keyword_args.for_db("mysql", "mariadb")
+def _mysql_temp_table_keyword_args(cfg, eng):
+    return {"prefixes": ["TEMPORARY"]}
-- 
cgit v1.2.3