From 5a57ac17413028f11f19211b74b91f50b1c7c90c Mon Sep 17 00:00:00 2001
From: Ilia Demianenko <ilia.demianenko@clickhouse.com>
Date: Tue, 5 May 2026 14:30:53 -0700
Subject: [PATCH] Pin pgx to 5.9.1

---
 flow/cmd/check_pinned_versions/main.go | 1 +
 flow/go.mod                            | 3 ++-
 renovate.json5                         | 5 +++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/flow/cmd/check_pinned_versions/main.go b/flow/cmd/check_pinned_versions/main.go
index b106f5f9b..cf81912a3 100644
--- a/flow/cmd/check_pinned_versions/main.go
+++ b/flow/cmd/check_pinned_versions/main.go
@@ -22,6 +22,7 @@ var pinnedVersions = map[string]string{
 	"github.com/aws/aws-sdk-go-v2/feature/s3/manager": "v1.21.0",
 	"google.golang.org/api":                           "v0.257.0",
 	"github.com/tikv/pd/client":                       "v0.0.0-20251229071808-6173d50c004c",
+	"github.com/jackc/pgx/v5":                         "v5.9.1",
 }
 
 func main() {
diff --git a/flow/go.mod b/flow/go.mod
index e75f06c57..e4e57a7e6 100644
--- a/flow/go.mod
+++ b/flow/go.mod
@@ -36,7 +36,7 @@ require (
 	github.com/hamba/avro/v2 v2.31.0
 	github.com/jackc/pgerrcode v0.0.0-20250907135507-afb5586c32a6
 	github.com/jackc/pglogrepl v0.0.0-20251213150135-2e8d0df862c1
-	github.com/jackc/pgx/v5 v5.9.1
+	github.com/jackc/pgx/v5 v5.9.1 // PINNED: v5.9.2 enables Postgres wire protocol v3.2 by default which changes macaddr[] decoding
 	github.com/joho/godotenv v1.5.1
 	github.com/json-iterator/go v1.1.12
 	github.com/lestrrat-go/httprc/v3 v3.0.5
@@ -338,6 +338,7 @@ exclude (
 	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.22.15
 	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.22.16
 	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.22.17
+	github.com/jackc/pgx/v5 v5.9.2
 	google.golang.org/api v0.258.0
 	google.golang.org/api v0.259.0
 	google.golang.org/api v0.260.0
diff --git a/renovate.json5 b/renovate.json5
index 88a3f7e05..26f2399b5 100644
--- a/renovate.json5
+++ b/renovate.json5
@@ -78,6 +78,11 @@
       "matchPackageNames": ["github.com/tikv/pd/client"],
       "allowedVersions": "v0.0.0-20251229071808-6173d50c004c"
     },
+    {
+      "matchManagers": ["gomod"],
+      "matchPackageNames": ["github.com/jackc/pgx/v5"],
+      "allowedVersions": "v5.9.1"
+    },
     // This package rule instruct renovate to require approval from
     // the dependency dashboard before proposing major upgrades.
     // This sets a default is approval mindset for automatic proposals.