From 0b221a1197c7d536a7244cc527c66d78ed9db4a1 Mon Sep 17 00:00:00 2001
From: Jake Smith <jake.smith@lexisnexisrisk.com>
Date: Fri, 6 Sep 2024 13:29:08 +0100
Subject: [PATCH] HPCC-32630 Allow lookahead below blocking splitter

Signed-off-by: Jake Smith <jake.smith@lexisnexisrisk.com>
---
 thorlcr/activities/nsplitter/thnsplitterslave.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/thorlcr/activities/nsplitter/thnsplitterslave.cpp b/thorlcr/activities/nsplitter/thnsplitterslave.cpp
index ef47bcc27bf..d733aa41a64 100644
--- a/thorlcr/activities/nsplitter/thnsplitterslave.cpp
+++ b/thorlcr/activities/nsplitter/thnsplitterslave.cpp
@@ -218,7 +218,7 @@ class NSplitterSlaveActivity : public CSlaveActivity, implements ISharedSmartBuf
 
                 PARENT::start();
                 initMetaInfo(cachedMetaInfo);
-                cachedMetaInfo.suppressLookAhead = true;
+                cachedMetaInfo.suppressLookAhead = spill; // only suppress downstream lookaheads if this is a spilling splitter
 
                 calcMetaInfoSize(cachedMetaInfo, queryInput(0));