[PATCH 4/5] nmbug-status: Wrap query phrases in parentheses when and-ing together
W. Trevor King
wking at tremily.us
Wed Dec 30 11:16:59 PST 2015
For example:
"query": ["tag:a", "tag:b or tag:c"]
is now converted to:
( tag:a ) and ( tag:b or tag:c )
instead of the old:
tag:a and tag:b or tag:c
This helps us avoid confusion due to Xapian's higher-precedence AND
[1], where the old query would be interpreted as:
( tag:a and tag:b ) or tag:c
[1]: http://xapian.org/docs/queryparser.html
---
NEWS | 3 +++
devel/nmbug/nmbug-status | 3 ++-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/NEWS b/NEWS
index 9a6a757..1c618d1 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,9 @@ A new `nmbug-status(5)` describes `nmbug-status`'s JSON config file.
nmbug-status
------------
+`nmbug-status` now wraps query phrases in parentheses when and-ing
+them together, to avoid confusion about clause grouping.
+
`nmbug-status` now supports `meta.message-url` to override the Gmane
template. For example, you can use:
diff --git a/devel/nmbug/nmbug-status b/devel/nmbug/nmbug-status
index 336d0d2..a477af8 100755
--- a/devel/nmbug/nmbug-status
+++ b/devel/nmbug/nmbug-status
@@ -167,7 +167,8 @@ class Page (object):
view['title'], sort_key))
if 'query-string' not in view:
query = view['query']
- view['query-string'] = ' and '.join(query)
+ view['query-string'] = ' and '.join(
+ '( {} )'.format(q) for q in query)
q = notmuch.Query(database, view['query-string'])
q.set_sort(sort)
threads = self._get_threads(messages=q.search_messages())
--
2.1.0.60.g85f0837
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