Retry in the case of failures. #1010

PyPy seems prone to intermittent SQLite failures.  An immediate retry
avoids them.  Not great, but it works.

1 files changed, 7 insertions, 1 deletions

diff --git a/coverage/sqldata.py b/coverage/sqldata.py
index 702bd42b..7a3b5c79 100644
--- a/coverage/sqldata.py
+++ b/coverage/sqldata.py
@@ -1056,7 +1056,13 @@ class SqliteDb(SimpleReprMixin):
             tail = " with {!r}".format(parameters) if parameters else ""
             self.debug.write("Executing {!r}{}".format(sql, tail))
         try:
-            return self.con.execute(sql, parameters)
+            try:
+                return self.con.execute(sql, parameters)
+            except Exception:
+                # In some cases, an error might happen that isn't really an
+                # error.  Try again immediately.
+                # https://github.com/nedbat/coveragepy/issues/1010
+                return self.con.execute(sql, parameters)
         except sqlite3.Error as exc:
             msg = str(exc)
             try: