search: schema version bump for empty References/In-Reply-To

We cannot distinguish between legitimate ghosts and mis-threaded
messages before commit 83425ef12e4b65cdcecd11ddcb38175d4a91d5a0
("searchidx: deal with empty In-Reply-To and References headers")
so we must rebuild the index in parallel to fix it.

diff --git a/lib/PublicInbox/Search.pm b/lib/PublicInbox/Search.pm
index c9094245a7f597e144b5ff3e0231005cef97c923..8c72fa17a5e7d08285924694a63373af8f176274 100644 (file)
--- a/lib/PublicInbox/Search.pm
+++ b/lib/PublicInbox/Search.pm
@@ -39,7 +39,9 @@ use constant {
        # 10 - optimize doc for NNTP overviews
        # 11 - merge threads when vivifying ghosts
        # 12 - change YYYYMMDD value column to numeric
-       SCHEMA_VERSION => 12,
+       # 13 - fix threading for empty References/In-Reply-To
+       #      (commit 83425ef12e4b65cdcecd11ddcb38175d4a91d5a0)
+       SCHEMA_VERSION => 13,
 
        # n.b. FLAG_PURE_NOT is expensive not suitable for a public website
        # as it could become a denial-of-service vector