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Added update hook

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This commit is contained in:
Maas-Maarten Zeeman
2022-05-22 13:07:57 +02:00
parent cc76b4319f
commit 8aae31abda
4 changed files with 137 additions and 200 deletions
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44
src/esqlite3.erl
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@@ -22,12 +22,13 @@
open/1, close/1,
%% db connection functions
set_update_hook/2,
get_autocommit/1,
last_insert_rowid/1,
changes/1,
% set_update_hook/2, set_update_hook/3,
exec/2,
prepare/2,
prepare/3,
@@ -46,7 +47,6 @@
step/1,
reset/1
% insert/2, insert/3,
%
% fetchone/1,
% fetchall/1, fetchall/2, fetchall/3,
@@ -138,27 +138,20 @@ close(#esqlite3{db=Connection}) ->
esqlite3_nif:close(Connection).
%%% @doc Subscribe to database notifications. When rows are inserted deleted
%%% or updates, the process will receive messages:
%%% ```{insert, string(), rowid()}'''
%%% When a new row has been inserted.
%%% ```{delete, string(), rowid()}'''
%%% When a new row has been deleted.
%%% ```{update, string(), rowid()}'''
%%% When a row has been updated.
%%%
%-spec set_update_hook(pid(), connection()) -> ok | {error, term()}.
%set_update_hook(Pid, Connection) ->
% set_update_hook(Pid, Connection, ?DEFAULT_TIMEOUT).
%
%%% @doc Same as set_update_hook/2, but with an additional timeout parameter.
%%%
%-spec set_update_hook(pid(), connection(), timeout()) -> ok | {error, term()}.
%set_update_hook(Pid, #connection{raw_connection=RawConnection}, Timeout) ->
% Ref = make_ref(),
% ok = esqlite3_nif:set_update_hook(RawConnection, Ref, self(), Pid),
% receive_answer(RawConnection, Ref, Timeout).
%
%% @doc Subscribe to database notifications. When rows are inserted deleted
%% or updates, the process will receive messages:
%% ```{insert, binary(), binary(), rowid()}'''
%% When a new row has been inserted.
%% ```{delete, binary(), binary(), rowid()}'''
%% When a new row has been deleted.
%% ```{update, binary(), binary(), rowid()}'''
%% When a row has been updated.
%%
-spec set_update_hook(esqlite3(), pid() | undefined) -> ok | {error, term()}.
set_update_hook(#esqlite3{db=Connection}, MaybePid) when is_pid(MaybePid) orelse MaybePid =:= undefined ->
esqlite3_nif:set_update_hook(Connection, MaybePid).
%%%
%%% q
%%%
@@ -202,7 +195,7 @@ close(#esqlite3{db=Connection}) ->
%
%%% @doc Execute statement and return a list with the result of F for each row.
%-spec map(Fun, sql(), connection()) -> list(Type) when
%% Fun :: fun((Row) -> Type) | fun((ColumnNames, Row) -> Type),
% Fun :: fun((Row) -> Type) | fun((ColumnNames, Row) -> Type),
% Row :: row(),
% ColumnNames :: tuple(),
% Type :: any().
@@ -401,7 +394,6 @@ get_autocommit(#esqlite3{db=Connection}) ->
exec(#esqlite3{db=Connection}, Sql) ->
esqlite3_nif:exec(Connection, Sql).
%% @doc Compile a SQL statement. Returns a cached compiled statement which can be used in
%% queries.
%%