From abe8c3f701038b33d26271aa65db6e786454ba59 Mon Sep 17 00:00:00 2001
From: Anant Vindal <anant.v09@protonmail.com>
Date: Wed, 21 Oct 2026 14:58:45 +0530
Subject: [PATCH] fix: manifest pruning

`extract_primary_filter()` incorrectly prunes manifests based on time filters even if they are not on `P_TIMESTAMP`
---
 src/query/stream_schema_provider.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/query/stream_schema_provider.rs b/src/query/stream_schema_provider.rs
index c6d673d68..afbba0a20 100644
--- a/src/query/stream_schema_provider.rs
+++ b/src/query/stream_schema_provider.rs
@@ -966,6 +966,12 @@ impl PartialTimeFilter {
         let Expr::BinaryExpr(binexpr) = expr else {
             return None;
         };
+
+        let is_p_timestamp = expr
+            .column_refs()
+            .iter()
+            .map(|c| &c.name)
+            .contains(&DEFAULT_TIMESTAMP_KEY.to_string());
         let (op, time) = extract_timestamp_bound(binexpr, time_partition)?;
         let value = match op {
             Operator::Gt => PartialTimeFilter::Low(Bound::Excluded(time)),
@@ -976,7 +982,7 @@ impl PartialTimeFilter {
             Operator::IsNotDistinctFrom => PartialTimeFilter::Eq(time),
             _ => return None,
         };
-        Some(value)
+        if is_p_timestamp { Some(value) } else { None }
     }
 
     pub fn binary_expr(&self, left: Expr) -> Expr {