search: support searching on List-Id

[public-inbox.git] / lib / PublicInbox / Search.pm

diff --git a/lib/PublicInbox/Search.pm b/lib/PublicInbox/Search.pm
index 86a6ad674b3e1fbfdb70d3a04d8dac40d4fae881..b7db2b9f7fcc91aacc317ef3e439b6349934083c 100644 (file)
--- a/lib/PublicInbox/Search.pm
+++ b/lib/PublicInbox/Search.pm
@@ -77,11 +77,17 @@ use constant {
        # 15 - see public-inbox-v2-format(5)
        #      further bumps likely unnecessary, we'll suggest in-place
        #      "--reindex" use for further fixes and tweaks
+       #
+       #      public-inbox v1.5.0 adds (still SCHEMA_VERSION=15):
+       #      * "lid:" and "l:" for List-Id searches
        SCHEMA_VERSION => 15,
 };
 
+# note: the non-X term prefix allocations are shared with
+# Xapian omega, see xapian-applications/omega/docs/termprefixes.rst
 my %bool_pfx_external = (
        mid => 'Q', # Message-ID (full/exact), this is mostly uniQue
+       lid => 'G', # newsGroup (or similar entity), just inside <>
        dfpre => 'XDFPRE',
        dfpost => 'XDFPOST',
        dfblob => 'XDFPRE XDFPOST',
@@ -92,6 +98,7 @@ my %prob_prefix = (
        # for mairix compatibility
        s => 'S',
        m => 'XM', # 'mid:' (bool) is exact, 'm:' (prob) can do partial
+       l => 'XL', # 'lid:' (bool) is exact, 'l:' (prob) can do partial
        f => 'A',
        t => 'XTO',
        tc => 'XTO XCC',
@@ -134,6 +141,8 @@ EOF
        'f:' => 'match within the From header',
        'a:' => 'match within the To, Cc, and From headers',
        'tc:' => 'match within the To and Cc headers',
+       'lid:' => 'exact contents of the List-Id',
+       'l:' => 'partial match contents of the List-Id header',
        'bs:' => 'match within the Subject and body',
        'dfn:' => 'match filename from diff',
        'dfa:' => 'match diff removed (-) lines',