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fix sequence migration #42

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Merged
ttt161 merged 2 commits into from
Apr 10, 2026
Merged

fix sequence migration #42

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1036f76
fix sequence migration
Apr 10, 2026
d5529fa
fix logs
Apr 10, 2026
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34 changes: 29 additions & 5 deletions apps/bender/priv/migrations/sequence/1770994589112-copy-sequence.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -15,12 +15,20 @@ perform_batch(Connection, Offset, Limit) ->
{ok, _, Rows} ->
Values = lists:foldl(
fun
({ID, AuxState}, "") ->
#{value := Value} = binary_to_term(AuxState),
" ('" ++ unicode:characters_to_list(ID) ++ "', " ++ integer_to_list(Value) ++ ") ";
({ID, AuxState}, "" = Acc) ->
case value(ID, AuxState) of
{ok, Value} ->
" ('" ++ unicode:characters_to_list(ID) ++ "', " ++ integer_to_list(Value) ++ ") ";
{error, _} ->
Acc
end;
({ID, AuxState}, Acc) ->
#{value := Value} = binary_to_term(AuxState),
" ('" ++ unicode:characters_to_list(ID) ++ "', " ++ integer_to_list(Value) ++ "), " ++ Acc
case value(ID, AuxState) of
{ok, Value} ->
" ('" ++ unicode:characters_to_list(ID) ++ "', " ++ integer_to_list(Value) ++ "), " ++ Acc;
{error, _} ->
Acc
end
end,
"",
Rows
Expand All @@ -31,3 +39,19 @@ perform_batch(Connection, Offset, Limit) ->
),
perform_batch(Connection, Offset + erlang:length(Rows), Limit)
end.

value(ID, null) ->
logger:warning("migrations. sequence ~p state is null", [ID]),
{error, state_is_null};
value(ID, AuxState) when is_binary(AuxState) ->
try binary_to_term(AuxState) of
#{value := Value} ->
{ok, Value};
BadState ->
logger:warning("migrations. sequence ~p bad state: ~p", [ID, BadState]),
{error, bad_state}
catch
_Error:_Term:_Stack ->
logger:warning("migrations. sequence ~p bad state: ~p", [ID, AuxState]),
{error, bad_state}
end.
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