[tarantool-patches] Re: [PATCH v1 1/4] box: move db->pShchema init to sql_init

[Vladislav Shpilevoy <v.shpilevoy@tarantool.org>]

Thanks for the patch!

On 31/05/2018 14:22, Kirill Shcherbatov wrote:
> As we are going to call parser on box.cfg() to recreate triggers
> from SQL, we should initialize Schema as it used in sqlite3BeginTrigger.
> 
> Part of #3273.
> ---
>   src/box/sql.c | 8 +++++++-
>   1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/src/box/sql.c b/src/box/sql.c
> index 7379cb4..47d1739 100644
> --- a/src/box/sql.c
> +++ b/src/box/sql.c
> @@ -77,11 +77,18 @@ sql_init()
>   		panic("failed to initialize SQL subsystem");
>   
>   	assert(db != NULL);
> +	/* Initialize pSchema to use SQL parser. */

To use for what? Before what? I see it in the commit message, but lets
explain this in the comment as well.

> +	db->pSchema = sqlite3SchemaCreate(db);
> +	if (db->pSchema == NULL) {
> +		sqlite3_close(db);
> +		panic("failed to initialize SQL Schema subsystem");
> +	}
>   }
>