diff options
| -rw-r--r-- | CHANGES | 4 | ||||
| -rw-r--r-- | util/sql.lua | 17 |
2 files changed, 15 insertions, 6 deletions
@@ -12,10 +12,10 @@ New features - mod\_pep\_plus - Asynchronous operations -0.10.not-released-yet +0.10.0 ===================== -**YYYY-MM-DD** +**2017-10-02** New features ------------ diff --git a/util/sql.lua b/util/sql.lua index 61d6af41..71158d4c 100644 --- a/util/sql.lua +++ b/util/sql.lua @@ -217,8 +217,9 @@ function engine:debug(enable) end end local function handleerr(err) - log("error", "Error in SQL transaction: %s", debug_traceback(err, 3)); - return err; + local trace = debug_traceback(err, 3); + log("debug", "Error in SQL transaction: %s", trace); + return { err = err, traceback = trace }; end function engine:_transaction(func, ...) if not self.conn then @@ -238,9 +239,9 @@ function engine:_transaction(func, ...) if not ok then return ok, err; end -- commit failed return success, a, b, c; else - log("debug", "SQL transaction failure [%s]: %s", tostring(func), a); + log("debug", "SQL transaction failure [%s]: %s", tostring(func), a.err); if self.conn then self.conn:rollback(); end - return success, a; + return success, a.err; end end function engine:transaction(...) @@ -248,8 +249,16 @@ function engine:transaction(...) if not ok then local conn = self.conn; if not conn or not conn:ping() then + log("debug", "Database connection was closed. Will reconnect and retry."); self.conn = nil; + log("debug", "Retrying SQL transaction [%s]", tostring((...))); ok, ret = self:_transaction(...); + log("debug", "SQL transaction retry %s", ok and "succeeded" or "failed"); + else + log("debug", "SQL connection is up, so not retrying"); + end + if not ok then + log("error", "Error in SQL transaction: %s", ret); end end return ok, ret; |