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+From: Austin Clements <aclements@csail.mit.edu>\r
+To: notmuch@notmuchmail.org\r
+Subject: [WIP PATCH 4/4] lib: Add "lastmod:" queries for filtering by last\r
+ modification\r
+Date: Mon, 13 Oct 2014 02:20:03 -0400\r
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+\r
+From: Austin Clements <amdragon@mit.edu>\r
+\r
+XXX Includes reference to notmuch search --db-revision, which doesn't\r
+exist.\r
+---\r
+ doc/man7/notmuch-search-terms.rst | 8 ++++++++\r
+ lib/database-private.h | 1 +\r
+ lib/database.cc | 4 ++++\r
+ 3 files changed, 13 insertions(+)\r
+\r
+diff --git a/doc/man7/notmuch-search-terms.rst b/doc/man7/notmuch-search-terms.rst\r
+index 1acdaa0..df76e39 100644\r
+--- a/doc/man7/notmuch-search-terms.rst\r
++++ b/doc/man7/notmuch-search-terms.rst\r
+@@ -52,6 +52,8 @@ indicate user-supplied values):\r
+ \r
+ - date:<since>..<until>\r
+ \r
++- lastmod:<since>..<until>\r
++\r
+ The **from:** prefix is used to match the name or address of the sender\r
+ of an email message.\r
+ \r
+@@ -118,6 +120,12 @@ The time range can also be specified using timestamps with a syntax of:\r
+ Each timestamp is a number representing the number of seconds since\r
+ 1970-01-01 00:00:00 UTC.\r
+ \r
++The **lastmod:** prefix can be used to restrict the result by the\r
++database revision number of when messages were last modified (tags\r
++were added/removed or filenames changed). This is usually used in\r
++conjunction with the **--db-revision** argument to **notmuch search**\r
++to find messages that have changed since an earlier query.\r
++\r
+ In addition to individual terms, multiple terms can be combined with\r
+ Boolean operators ( **and**, **or**, **not** , etc.). Each term in the\r
+ query will be implicitly connected by a logical AND if no explicit\r
+diff --git a/lib/database-private.h b/lib/database-private.h\r
+index 0977229..cbca1de 100644\r
+--- a/lib/database-private.h\r
++++ b/lib/database-private.h\r
+@@ -163,6 +163,7 @@ struct _notmuch_database {\r
+ Xapian::TermGenerator *term_gen;\r
+ Xapian::ValueRangeProcessor *value_range_processor;\r
+ Xapian::ValueRangeProcessor *date_range_processor;\r
++ Xapian::ValueRangeProcessor *last_mod_range_processor;\r
+ };\r
+ \r
+ /* Prior to database version 3, features were implied by the database\r
+diff --git a/lib/database.cc b/lib/database.cc\r
+index 9bec170..f9aa45d 100644\r
+--- a/lib/database.cc\r
++++ b/lib/database.cc\r
+@@ -913,6 +913,7 @@ notmuch_database_open (const char *path,\r
+ notmuch->term_gen->set_stemmer (Xapian::Stem ("english"));\r
+ notmuch->value_range_processor = new Xapian::NumberValueRangeProcessor (NOTMUCH_VALUE_TIMESTAMP);\r
+ notmuch->date_range_processor = new ParseTimeValueRangeProcessor (NOTMUCH_VALUE_TIMESTAMP);\r
++ notmuch->last_mod_range_processor = new Xapian::NumberValueRangeProcessor (NOTMUCH_VALUE_LAST_MOD, "lastmod:");\r
+ \r
+ notmuch->query_parser->set_default_op (Xapian::Query::OP_AND);\r
+ notmuch->query_parser->set_database (*notmuch->xapian_db);\r
+@@ -920,6 +921,7 @@ notmuch_database_open (const char *path,\r
+ notmuch->query_parser->set_stemming_strategy (Xapian::QueryParser::STEM_SOME);\r
+ notmuch->query_parser->add_valuerangeprocessor (notmuch->value_range_processor);\r
+ notmuch->query_parser->add_valuerangeprocessor (notmuch->date_range_processor);\r
++ notmuch->query_parser->add_valuerangeprocessor (notmuch->last_mod_range_processor);\r
+ \r
+ for (i = 0; i < ARRAY_SIZE (BOOLEAN_PREFIX_EXTERNAL); i++) {\r
+ prefix_t *prefix = &BOOLEAN_PREFIX_EXTERNAL[i];\r
+@@ -991,6 +993,8 @@ notmuch_database_close (notmuch_database_t *notmuch)\r
+ notmuch->value_range_processor = NULL;\r
+ delete notmuch->date_range_processor;\r
+ notmuch->date_range_processor = NULL;\r
++ delete notmuch->last_mod_range_processor;\r
++ notmuch->last_mod_range_processor = NULL;\r
+ \r
+ return status;\r
+ }\r
+-- \r
+2.1.0\r
+\r
projects / notmuch-archives.git / commitdiff