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Added test and fixed documentation for update/3,4

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This commit is contained in:
Alexey Romanov
2010-11-23 17:04:31 +03:00
parent 46a843b1ce
commit 47a4c2e0fa
2 changed files with 12 additions and 11 deletions
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18
src/sqlite3.erl
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@@ -20,7 +20,7 @@
-export([create_table/2, create_table/3, create_table/4]).
-export([list_tables/0, list_tables/1, table_info/1, table_info/2]).
-export([write/2, write/3, write_many/2, write_many/3]).
-export([update/4, update/5]).
-export([update/3, update/4]).
-export([read_all/2, read_all/3, read/2, read/3, read/4]).
-export([delete/2, delete/3]).
-export([drop_table/1, drop_table/2]).
@@ -304,33 +304,31 @@ write_many(Db, Tbl, Data) ->
gen_server:call(Db, {write_many, Tbl, Data}).
%%--------------------------------------------------------------------
%% @spec update(Tbl :: atom(), Key :: atom(), Value, Data) -> Result
%% @spec update(Tbl :: atom(), Key :: atom(), Value, Data) -> sql_non_query_result()
%% Value = any()
%% Data = [{Column :: atom(), Value :: sql_value()}]
%% Result = {ok, RowID} | Unknown
%% Unknown = term()
%% @doc
%% Updates rows into Tbl table such that the Value matches the
%% value in Key with Data. Returns RowID of the first updated
%% record.
%% @end
%%--------------------------------------------------------------------
update(Tbl, Key, Value, Data) ->
update(?MODULE, Tbl, Key, Value, Data).
-spec update(atom(), {atom(), sql_value()}, [{atom(), sql_value()}]) -> sql_non_query_result().
update(Tbl, {Key, Value}, Data) ->
update(?MODULE, Tbl, {Key, Value}, Data).
%%--------------------------------------------------------------------
%% @spec update(Db :: atom(), Tbl :: atom(), Key :: atom(), Value, Data) -> Result
%% @spec update(Db :: atom(), Tbl :: atom(), Key :: atom(), Value, Data) -> sql_non_query_result()
%% Value = sql_value()
%% Data = [{Column :: atom(), Value :: sql_value()}]
%% Result = {ok, ID} | Unknown
%% Unknown = term()
%% @doc
%% Updates rows into Tbl table in Db database such that the Value
%% matches the value in Key with Data. Returns ID of the first
%% updated record.
%% @end
%%--------------------------------------------------------------------
update(Db, Tbl, Key, Value, Data) ->
-spec update(atom(), atom(), {atom(), sql_value()}, [{atom(), sql_value()}]) -> sql_non_query_result().
update(Db, Tbl, {Key, Value}, Data) ->
gen_server:call(Db, {update, Tbl, Key, Value, Data}).
%%--------------------------------------------------------------------