Short of full header indexing, wouldn't a better way to achieve this be to store only the "to" header as "XTO", the "cc" header "XCC", and the "bcc" header as "XBCC" and use Xapian's multi-prefix support to map the "to:" query prefix to "XTO", "XCC", and "XBCC"? That way you're not storing twice as many copies of every address.
From: Joel Borggrén-Franck <jbf@codehouse.se>
Add headers cc: bcc: and to: to index. Real header to: is searched as
"exactto:foo@bar.baz" and search term "to:" is kept as a union of cc:,
bcc: and to: for backward compatibility. Use search term "cc:" resp.
"bcc:" to search those headers respectively.
---
lib/database.cc | 11 +++++++----
lib/index.cc | 9 +++++++++
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/lib/database.cc b/lib/database.cc
index 7a00917..68910f3 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -88,9 +88,9 @@ typedef struct {
* MESSAGE_ID: The unique ID of the mail mess (see "id" above)
*
* In addition, terms from the content of the message are added with
- * "from", "to", "attachment", and "subject" prefixes for use by the
- * user in searching. But the database doesn't really care itself
- * about any of these.
+ * "from", "to", "exactto", "cc", "bbc", "attachment" and "subject"
+ * prefixes for use by the user in searching. But the database doesn't
+ * really care itself about any of these.
*
* The data portion of a mail document is empty.
*
@@ -204,7 +204,10 @@ static prefix_t PROBABILISTIC_PREFIX[]= {
{ "from", "XFROM" },
{ "to", "XTO" },
{ "attachment", "XATTACHMENT" },
- { "subject", "XSUBJECT"}
+ { "subject", "XSUBJECT"},
+ { "exactto", "XEXACTTO"},
+ { "cc", "XCC"},
+ { "bcc", "XBCC"},
};
int
diff --git a/lib/index.cc b/lib/index.cc
index 00478f8..d59c255 100644
--- a/lib/index.cc
+++ b/lib/index.cc
@@ -455,6 +455,15 @@ _notmuch_message_index_file (notmuch_message_t *message,
_index_address_list (message, "from", addresses);
+ addresses = g_mime_message_get_recipients (mime_message, GMIME_RECIPIENT_TYPE_TO);
+ _index_address_list (message, "exactto", addresses);
+
+ addresses = g_mime_message_get_recipients (mime_message, GMIME_RECIPIENT_TYPE_CC);
+ _index_address_list (message, "cc", addresses);
+
+ addresses = g_mime_message_get_recipients (mime_message, GMIME_RECIPIENT_TYPE_BCC);
+ _index_address_list (message, "bcc", addresses);
+
addresses = g_mime_message_get_all_recipients (mime_message);
_index_address_list (message, "to", addresses);
--
1.7.3.2
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