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-rw-r--r--lib/sqlalchemy/engine/default.py32
1 files changed, 20 insertions, 12 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 3eebc6c06..763e85f82 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -840,18 +840,26 @@ class DefaultExecutionContext(interfaces.ExecutionContext):
compiled_params = self.compiled_parameters[0]
lastrowid = self.get_lastrowid()
- autoinc_col = table._autoincrement_column
- if autoinc_col is not None:
- # apply type post processors to the lastrowid
- proc = autoinc_col.type._cached_result_processor(
- self.dialect, None)
- if proc is not None:
- lastrowid = proc(lastrowid)
- self.inserted_primary_key = [
- lastrowid if c is autoinc_col else
- compiled_params.get(key_getter(c), None)
- for c in table.primary_key
- ]
+ if lastrowid is not None:
+ autoinc_col = table._autoincrement_column
+ if autoinc_col is not None:
+ # apply type post processors to the lastrowid
+ proc = autoinc_col.type._cached_result_processor(
+ self.dialect, None)
+ if proc is not None:
+ lastrowid = proc(lastrowid)
+ self.inserted_primary_key = [
+ lastrowid if c is autoinc_col else
+ compiled_params.get(key_getter(c), None)
+ for c in table.primary_key
+ ]
+ else:
+ # don't have a usable lastrowid, so
+ # do the same as _setup_ins_pk_from_empty
+ self.inserted_primary_key = [
+ compiled_params.get(key_getter(c), None)
+ for c in table.primary_key
+ ]
def _setup_ins_pk_from_empty(self):
key_getter = self.compiled._key_getters_for_crud_column[2]