mirror of
https://github.com/processone/ejabberd.git
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Use the first unique index as a primary key in ejabberd_sql_schema
This commit is contained in:
Alexey Shchepin
parent
4ea46c5765
commit
b0a9b58958
@ -53,7 +53,8 @@
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-record(sql_index, {columns,
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unique = false :: boolean()}).
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unique = false :: boolean(),
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meta = #{}}).
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-record(sql_column, {name :: binary(),
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type,
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default = false,
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@ -351,12 +351,11 @@ guess_version(Host, Schemas) ->
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fun(Schema) ->
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lists:all(
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fun(Table) ->
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Table2 = filter_table_sh(Table),
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CurrentColumns =
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get_table_schema(
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Host, Table2#sql_table.name),
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Host, Table#sql_table.name),
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check_columns_compatibility(
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Table2#sql_table.columns,
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Table#sql_table.columns,
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CurrentColumns)
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end, Schema#sql_schema.tables)
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end, Schemas),
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@ -568,6 +567,56 @@ format_create_index(mysql, _DBVersion, Table, Index) ->
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end, Index#sql_index.columns)),
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<<");">>].
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format_primary_key(mysql, _DBVersion, Table) ->
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case lists:filter(
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fun(#sql_index{meta = #{primary_key := true}}) -> true;
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(_) -> false
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end, Table#sql_table.indices) of
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[] -> [];
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[I] ->
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[[<<" ">>,
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<<"PRIMARY KEY (">>,
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lists:join(
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<<", ">>,
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lists:map(
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fun(Col) ->
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format_mysql_index_column(Table, Col)
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end, I#sql_index.columns)),
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<<")">>]]
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end;
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format_primary_key(_DBType, _DBVersion, Table) ->
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case lists:filter(
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fun(#sql_index{meta = #{primary_key := true}}) -> true;
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(_) -> false
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end, Table#sql_table.indices) of
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[] -> [];
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[I] ->
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[[<<" ">>,
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<<"PRIMARY KEY (">>,
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lists:join(<<", ">>, I#sql_index.columns),
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<<")">>]]
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end.
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format_add_primary_key(sqlite = DBType, DBVersion, Table, Index) ->
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format_create_index(DBType, DBVersion, Table, Index);
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format_add_primary_key(mysql, _DBVersion, Table, Index) ->
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TableName = Table#sql_table.name,
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[<<"ALTER TABLE ">>, TableName, <<" ADD PRIMARY KEY (">>,
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lists:join(
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<<", ">>,
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Index#sql_index.columns),
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<<");">>];
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format_add_primary_key(_DBType, _DBVersion, Table, Index) ->
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TableName = Table#sql_table.name,
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[<<"ALTER TABLE ">>, TableName, <<" ADD PRIMARY KEY (">>,
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lists:join(
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<<", ">>,
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lists:map(
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fun(Col) ->
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format_mysql_index_column(Table, Col)
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end, Index#sql_index.columns)),
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<<");">>].
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format_create_table(pgsql = DBType, DBVersion, Table) ->
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TableName = Table#sql_table.name,
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[iolist_to_binary(
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@ -576,13 +625,18 @@ format_create_table(pgsql = DBType, DBVersion, Table) ->
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<<",\n">>,
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lists:map(
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fun(C) -> format_column_def(DBType, DBVersion, C) end,
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Table#sql_table.columns)),
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Table#sql_table.columns) ++
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format_primary_key(DBType, DBVersion, Table)),
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<<"\n);\n">>])] ++
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lists:map(
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fun(I) ->
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iolist_to_binary(
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[format_create_index(DBType, DBVersion, Table, I),
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<<"\n">>])
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lists:flatmap(
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fun(#sql_index{meta = #{primary_key := true}}) ->
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[];
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(#sql_index{meta = #{ignore := true}}) ->
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[];
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(I) ->
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[iolist_to_binary(
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[format_create_index(DBType, DBVersion, Table, I),
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<<"\n">>])]
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end,
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Table#sql_table.indices);
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format_create_table(sqlite = DBType, DBVersion, Table) ->
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@ -593,13 +647,18 @@ format_create_table(sqlite = DBType, DBVersion, Table) ->
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<<",\n">>,
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lists:map(
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fun(C) -> format_column_def(DBType, DBVersion, C) end,
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Table#sql_table.columns)),
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Table#sql_table.columns) ++
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format_primary_key(DBType, DBVersion, Table)),
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<<"\n);\n">>])] ++
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lists:map(
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fun(I) ->
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iolist_to_binary(
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[format_create_index(DBType, DBVersion, Table, I),
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<<"\n">>])
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lists:flatmap(
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fun(#sql_index{meta = #{primary_key := true}}) ->
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[];
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(#sql_index{meta = #{ignore := true}}) ->
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[];
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(I) ->
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[iolist_to_binary(
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[format_create_index(DBType, DBVersion, Table, I),
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<<"\n">>])]
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end,
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Table#sql_table.indices);
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format_create_table(mysql = DBType, DBVersion, Table) ->
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@ -610,13 +669,18 @@ format_create_table(mysql = DBType, DBVersion, Table) ->
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<<",\n">>,
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lists:map(
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fun(C) -> format_column_def(DBType, DBVersion, C) end,
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Table#sql_table.columns)),
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Table#sql_table.columns) ++
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format_primary_key(DBType, DBVersion, Table)),
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<<"\n) ENGINE=InnoDB CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;\n">>])] ++
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lists:map(
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fun(I) ->
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iolist_to_binary(
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[format_create_index(DBType, DBVersion, Table, I),
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<<"\n">>])
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lists:flatmap(
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fun(#sql_index{meta = #{primary_key := true}}) ->
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[];
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(#sql_index{meta = #{ignore := true}}) ->
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[];
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(I) ->
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[iolist_to_binary(
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[format_create_index(DBType, DBVersion, Table, I),
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<<"\n">>])]
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end,
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Table#sql_table.indices).
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%format_create_table(DBType, _DBVersion, Table) ->
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@ -644,12 +708,11 @@ create_table(Host, Table) ->
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create_tables(Host, Module, Schema) ->
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lists:foreach(
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fun(Table) ->
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Table2 = filter_table_sh(Table),
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Res = create_table(Host, Table2),
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Res = create_table(Host, Table),
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case Res of
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{error, Error} ->
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?ERROR_MSG("Failed to create table ~s: ~p",
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[Table2#sql_table.name, Error]),
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[Table#sql_table.name, Error]),
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error(Error);
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_ ->
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ok
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@ -677,9 +740,60 @@ should_update_schema(Host) ->
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false
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end.
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update_schema(Host, Module, Schemas) ->
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preprocess_table(Host, Table) ->
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Table1 = filter_table_sh(Table),
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ImplicitPK =
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case ejabberd_option:sql_type(Host) of
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pgsql -> false;
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sqlite ->
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case lists:keyfind(bigserial, #sql_column.type,
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Table1#sql_table.columns) of
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false -> false;
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#sql_column{name = Name} -> {ok, Name}
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end;
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mysql ->
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case lists:keyfind(bigserial, #sql_column.type,
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Table1#sql_table.columns) of
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false -> false;
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#sql_column{name = Name} -> {ok, Name}
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end
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end,
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Indices =
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case ImplicitPK of
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false ->
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{Inds, _} =
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lists:mapfoldl(
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fun(#sql_index{unique = true} = I, false) ->
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{I#sql_index{
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meta = (I#sql_index.meta)#{primary_key => true}},
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true};
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(I, Acc) ->
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{I, Acc}
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end, false, Table1#sql_table.indices),
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Inds;
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{ok, CN} ->
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lists:map(
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fun(#sql_index{columns = [CN1]} = I) when CN == CN1 ->
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I#sql_index{
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meta = (I#sql_index.meta)#{ignore => true}};
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(I) -> I
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end,
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Table1#sql_table.indices)
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end,
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Table1#sql_table{indices = Indices}.
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preprocess_schemas(Host, Schemas) ->
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lists:map(
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fun(Schema) ->
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Schema#sql_schema{
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tables = lists:map(fun(T) -> preprocess_table(Host, T) end,
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Schema#sql_schema.tables)}
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end, Schemas).
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update_schema(Host, Module, RawSchemas) ->
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case should_update_schema(Host) of
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true ->
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Schemas = preprocess_schemas(Host, RawSchemas),
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Version = get_current_version(Host, Module, Schemas),
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LastSchema = lists:max(Schemas),
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LastVersion = LastSchema#sql_schema.version,
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@ -730,7 +844,7 @@ do_update_schema(Host, Module, Schema) ->
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<<" DEFAULT ">>,
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Default, <<";\n">>]] ++
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case Column#sql_column.default of
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false ->
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false when DBType /= sqlite ->
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[[<<"ALTER TABLE ">>,
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TableName,
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<<" ALTER COLUMN ">>,
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@ -779,45 +893,57 @@ do_update_schema(Host, Module, Schema) ->
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_ ->
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ok
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end;
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({create_index, TableName, Columns}) ->
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{value, Table1} =
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lists:keysearch(
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TableName, #sql_table.name, Schema#sql_schema.tables),
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{value, Index1} =
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lists:keysearch(
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Columns, #sql_index.columns, Table1#sql_table.indices),
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Table = filter_table_sh(Table1),
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Index =
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({create_index, TableName, Columns1}) ->
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Columns =
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case ejabberd_sql:use_new_schema() of
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true ->
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Index1;
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Columns1;
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false ->
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Index1#sql_index{
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columns =
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lists:delete(
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<<"server_host">>, Index1#sql_index.columns)
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}
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lists:delete(
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<<"server_host">>, Columns1)
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end,
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Res =
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ejabberd_sql:sql_query(
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Host,
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fun(DBType, DBVersion) ->
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SQL1 = format_create_index(
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DBType, DBVersion, Table, Index),
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SQL = iolist_to_binary(SQL1),
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?INFO_MSG("Create index ~s/~p:~n~s~n",
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[Table#sql_table.name,
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Index#sql_index.columns,
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SQL]),
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ejabberd_sql:sql_query_t(SQL)
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end),
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case Res of
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{error, Error} ->
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?ERROR_MSG("Failed to update table ~s: ~p",
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[TableName, Error]),
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error(Error);
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{value, Table} =
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lists:keysearch(
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TableName, #sql_table.name, Schema#sql_schema.tables),
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{value, Index} =
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lists:keysearch(
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Columns, #sql_index.columns, Table#sql_table.indices),
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case Index#sql_index.meta of
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#{ignore := true} -> ok;
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_ ->
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ok
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Res =
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ejabberd_sql:sql_query(
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Host,
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fun(DBType, DBVersion) ->
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case Index#sql_index.meta of
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#{primary_key := true} ->
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SQL1 = format_add_primary_key(
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DBType, DBVersion, Table, Index),
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SQL = iolist_to_binary(SQL1),
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?INFO_MSG("Add primary key ~s/~p:~n~s~n",
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[Table#sql_table.name,
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Index#sql_index.columns,
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SQL]),
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ejabberd_sql:sql_query_t(SQL);
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_ ->
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SQL1 = format_create_index(
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DBType, DBVersion, Table, Index),
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SQL = iolist_to_binary(SQL1),
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?INFO_MSG("Create index ~s/~p:~n~s~n",
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[Table#sql_table.name,
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Index#sql_index.columns,
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SQL]),
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ejabberd_sql:sql_query_t(SQL)
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end
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end),
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case Res of
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{error, Error} ->
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?ERROR_MSG("Failed to update table ~s: ~p",
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[TableName, Error]),
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error(Error);
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_ ->
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ok
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end
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end;
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({drop_index, TableName, Columns1}) ->
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Columns =
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@ -888,7 +1014,9 @@ test() ->
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#sql_column{name = <<"type">>, type = text},
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#sql_column{name = <<"created_at">>, type = timestamp,
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default = true}],
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indices = [#sql_index{
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indices = [#sql_index{columns = [<<"id">>],
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unique = true},
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#sql_index{
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columns = [<<"server_host">>, <<"username">>, <<"timestamp">>]},
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#sql_index{
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columns = [<<"server_host">>, <<"username">>, <<"peer">>]},
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@ -905,7 +1033,8 @@ test() ->
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[<<"server_host">>, <<"origin_id">>]},
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{drop_index, <<"archive2">>,
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[<<"server_host">>, <<"origin_id">>]},
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{drop_column, <<"archive2">>, <<"origin_id">>}
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{drop_column, <<"archive2">>, <<"origin_id">>},
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{create_index, <<"archive2">>, [<<"id">>]}
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]},
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#sql_schema{
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version = 1,
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