Fix column's statistics errors

app/drivers/base.py

@@ -87,6 +87,10 @@ class BaseDriver(ABC):
         """Returns list of database name strings."""
         pass
 
+    def quote_identifier(self, name: str) -> str:
+        """Wrap an identifier in the DB-appropriate quote characters."""
+        return f'"{name}"'
+
     @abstractmethod
     def get_tables(self, database: str) -> list:
         """Returns list of TableInfo for the given database."""

app/drivers/mssql_driver.py

@@ -19,6 +19,9 @@ class MSSQLDriver(BaseDriver):
         super().__init__(config)
         self.db_type = "mssql"
 
+    def quote_identifier(self, name: str) -> str:
+        return f"[{name}]"
+
     def _conn_str(self) -> str:
         host = self.config.get("host", "localhost")
         port = int(self.config.get("port", 1433))

app/drivers/mysql_driver.py

@@ -18,6 +18,9 @@ class MySQLDriver(BaseDriver):
         super().__init__(config)
         self.db_type = "mysql"
 
+    def quote_identifier(self, name: str) -> str:
+        return f"`{name}`"
+
     def _connect_kwargs(self) -> dict:
         kw = {
             "host": self.config.get("host", "localhost"),