[PATCH v2 2/5] Add the NOTMUCH_FEATURE_INDEXED_MIMETYPES database feature

[Jani Nikula]

Austin, would you mind having a look at this one please?

Thanks,
Jani.

On Wed, 14 Jan 2015, Todd <todd at electricoding.com> wrote:
> ---
>  lib/database-private.h | 15 ++++++++++++---
>  lib/database.cc        | 10 ++++++++--
>  2 files changed, 20 insertions(+), 5 deletions(-)
>
> diff --git a/lib/database-private.h b/lib/database-private.h
> index 15e03cc..6d6fa2c 100644
> --- a/lib/database-private.h
> +++ b/lib/database-private.h
> @@ -92,6 +92,14 @@ enum _notmuch_features {
>       *
>       * Introduced: version 3. */
>      NOTMUCH_FEATURE_GHOSTS = 1 << 4,
> +
> +
> +    /* If set, then the database was created after the introduction of
> +     * indexed mime types. If unset, then the database may contain a
> +     * mixture of messages with indexed and non-indexed mime types.
> +     *
> +     * Introduced: version 3. */
> +    NOTMUCH_FEATURE_INDEXED_MIMETYPES = 1 << 5,
>  };
>  
>  /* In C++, a named enum is its own type, so define bitwise operators
> @@ -161,9 +169,10 @@ struct _notmuch_database {
>  
>  /* Current database features.  If any of these are missing from a
>   * database, request an upgrade.
> - * NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES is not included because
> - * upgrade doesn't currently introduce the feature (though brand new
> - * databases will have it). */
> + * NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES and
> + * NOTMUCH_FEATURE_INDEXED_MIMETYPES are not included because upgrade
> + * doesn't currently introduce the features (though brand new databases
> + * will have it). */
>  #define NOTMUCH_FEATURES_CURRENT \
>      (NOTMUCH_FEATURE_FILE_TERMS | NOTMUCH_FEATURE_DIRECTORY_DOCS | \
>       NOTMUCH_FEATURE_BOOL_FOLDER | NOTMUCH_FEATURE_GHOSTS)
> diff --git a/lib/database.cc b/lib/database.cc
> index 3601f9d..2de60f8 100644
> --- a/lib/database.cc
> +++ b/lib/database.cc
> @@ -304,6 +304,11 @@ static const struct {
>        "exact folder:/path: search", "rw" },
>      { NOTMUCH_FEATURE_GHOSTS,
>        "mail documents for missing messages", "w"},
> +    /* Knowledge of the index mime-types are not required for reading
> +     * a database because a reader will just be unable to query
> +     * them. */
> +    { NOTMUCH_FEATURE_INDEXED_MIMETYPES,
> +      "mime-types in database", "w"},
>  };
>  
>  const char *
> @@ -646,9 +651,10 @@ notmuch_database_create (const char *path, notmuch_database_t **database)
>      if (status)
>  	goto DONE;
>  
> -    /* Upgrade doesn't add this feature to existing databases, but new
> -     * databases have it. */
> +    /* Upgrade doesn't add these feature to existing databases, but
> +     * new databases have them. */
>      notmuch->features |= NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES;
> +    notmuch->features |= NOTMUCH_FEATURE_INDEXED_MIMETYPES;
>  
>      status = notmuch_database_upgrade (notmuch, NULL, NULL);
>      if (status) {
> -- 
> 1.9.1
>
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