[couchdb] 02/03: hackish idempotency

[rn...@apache.org]

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rnewson pushed a commit to branch user-partitioned-dbs-wip
in repository https://gitbox.apache.org/repos/asf/couchdb.git

commit f89bc9ef79c5b0cc9db0402886e98349e0b5e004
Author: Robert Newson <rn...@apache.org>
AuthorDate: Mon Jul 23 13:17:50 2018 +0100

    hackish idempotency
---
 src/couch_mrview/include/couch_mrview.hrl  | 1 +
 src/couch_mrview/src/couch_mrview_util.erl | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/couch_mrview/include/couch_mrview.hrl b/src/couch_mrview/include/couch_mrview.hrl
index 094b1d5..a3ba4b6 100644
--- a/src/couch_mrview/include/couch_mrview.hrl
+++ b/src/couch_mrview/include/couch_mrview.hrl
@@ -88,6 +88,7 @@
     conflicts,
     callback,
     sorted = true,
+    updated = false,
     partitioned,
     partition,
     extra = []
diff --git a/src/couch_mrview/src/couch_mrview_util.erl b/src/couch_mrview/src/couch_mrview_util.erl
index 9ebee00..55f1b06 100644
--- a/src/couch_mrview/src/couch_mrview_util.erl
+++ b/src/couch_mrview/src/couch_mrview_util.erl
@@ -578,6 +578,9 @@ validate_args(Args) ->
     Args.
 
 
+update_args(#mrargs{updated=true} = Args, _Options) -> % hackish idempotencies
+    Args;
+
 update_args(#mrargs{} = Args, Options) ->
     GroupLevel = determine_group_level(Args),
 
@@ -598,7 +601,8 @@ update_args(#mrargs{} = Args, Options) ->
         end_key_docid=EKDocId,
         group_level=GroupLevel
     },
-    partition_mrargs(Args1, Options).
+    Args2 = partition_mrargs(Args1, Options),
+    Args2#mrargs{updated = true}.
 
 
 validate_and_update_args(#mrargs{} = Args) ->