[tarantool-patches] Re: [PATCH] Return valid lua error for func creation error

["n.pettik" <korablev@tarantool.org>]

Thanks a lot for investigating this bug.

Patch is OK, only several very minor comments concerning its look.

Usually SQL-related patches come with ‘sql:’ prefix for commit subject.

> On 2 Nov 2018, at 14:30, Georgy Kirichenko <georgy@tarantool.org> wrote:
> 
> Return valid lua error if something fail while sql function creation.

Typo: if something fails during...

You forgot to add 'Closes #xxxx’ sign to commit message.

> ---
> https://github.com/tarantool/tarantool/issues/3724
> https://github.com/tarantool/tarantool/tree/g.kirichenko/gh-3724-return-error-from-func-creation
> 
> src/box/lua/lua_sql.c           |  3 +++
> test/sql/func-recreate.result   | 36 +++++++++++++++++++++++++++++++++
> test/sql/func-recreate.test.lua | 17 ++++++++++++++++
> 3 files changed, 56 insertions(+)
> create mode 100644 test/sql/func-recreate.result
> create mode 100644 test/sql/func-recreate.test.lua
> 
> diff --git a/src/box/lua/lua_sql.c b/src/box/lua/lua_sql.c
> index 9d78679fb..100f53b01 100644
> --- a/src/box/lua/lua_sql.c
> +++ b/src/box/lua/lua_sql.c
> @@ -193,6 +193,9 @@ int lbox_sql_create_function(struct lua_State *L)
> 				  NULL, NULL, lua_sql_destroy);
> 
> 	free(normalized_name);
> +	if (rc != 0) {
> +		return luaL_error(L, sqlite3ErrStr(rc));
> +	}

We don’t put brackets in case if-body contains 1 line:

diff --git a/src/box/lua/lua_sql.c b/src/box/lua/lua_sql.c
index 100f53b01..bcf2ea0fa 100644
--- a/src/box/lua/lua_sql.c
+++ b/src/box/lua/lua_sql.c
@@ -193,9 +193,8 @@ int lbox_sql_create_function(struct lua_State *L)
                                  NULL, NULL, lua_sql_destroy);
 
        free(normalized_name);
-       if (rc != 0) {
+       if (rc != 0)
                return luaL_error(L, sqlite3ErrStr(rc));
-       }
-       return rc;
+       return 0;
 }
 

> diff --git a/test/sql/func-recreate.test.lua b/test/sql/func-recreate.test.lua

We also add for regression tests number of issue to its name:

test/sql/gh-3724-func-recreate.test.lua