From 11fa083a0dc248ef7b74c20b560470b682a359f7 Mon Sep 17 00:00:00 2001
From: Yevgeny Pats <16490766+yevgenypats@users.noreply.github.com>
Date: Sun, 18 Dec 2022 11:45:38 +0200
Subject: [PATCH] fix: Improve errors in batch modes

---
 conn.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/conn.go b/conn.go
index 4c8b59da..b6c1ab8f 100644
--- a/conn.go
+++ b/conn.go
@@ -1106,6 +1106,8 @@ func (c *Conn) sendBatchExtendedWithDescription(ctx context.Context, b *Batch, d
 	for _, bi := range b.queuedQueries {
 		err := c.eqb.Build(c.typeMap, bi.sd, bi.arguments)
 		if err != nil {
+			// we wrap the error so we the user can understand which query failed inside the batch
+			err = fmt.Errorf("error building query %s: %w", bi.query, err)
 			return &pipelineBatchResults{ctx: ctx, conn: c, err: err}
 		}