From d79ecbad86fcedf04bf3c09caab766d4f3dd4312 Mon Sep 17 00:00:00 2001
From: Seebs <seebs@seebs.net>
Date: Fri, 22 Nov 2019 14:18:36 -0600
Subject: [PATCH] recompute shards for cross-index calls

It turns out that we need to recompute the set of shards whenever
a query is cross-index. Otherwise we get partial results in unexpected
ways sometimes.
---
 executor.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/executor.go b/executor.go
index 3751a018c..8d31c739b 100644
--- a/executor.go
+++ b/executor.go
@@ -317,6 +317,8 @@ func (e *executor) handlePreCalls(ctx context.Context, index string, c *pql.Call
 	if newIndex != "" && newIndex != index {
 		c.Type = pql.PrecallGlobal
 		index = newIndex
+		// we need to recompute shards, then
+		shards = nil
 	}
 	if c.Type == pql.PrecallNone {
 		// otherwise, handle the children