From b72e95dc0590d8d9182be37eee6305a046717275 Mon Sep 17 00:00:00 2001
From: Anton Harniakou <anton.harniakou@gmail.com>
Date: Wed, 11 Jun 2025 12:28:11 +0300
Subject: [PATCH] Implement NOT NULL constraint check for UPDATE

---
 core/translate/emitter.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/core/translate/emitter.rs b/core/translate/emitter.rs
index 9754ebc63..fb68f8fc8 100644
--- a/core/translate/emitter.rs
+++ b/core/translate/emitter.rs
@@ -1095,6 +1095,19 @@ fn emit_update_insns(
                     target_reg,
                     &t_ctx.resolver,
                 )?;
+                use crate::error::SQLITE_CONSTRAINT_NOTNULL;
+                program.emit_insn(Insn::HaltIfNull {
+                    target_reg,
+                    err_code: SQLITE_CONSTRAINT_NOTNULL,
+                    description: format!(
+                        "{}.{}",
+                        table_ref.table.get_name(),
+                        table_column
+                            .name
+                            .as_ref()
+                            .expect("Column name must be present")
+                    ),
+                });
             }
         } else {
             let column_idx_in_index = index.as_ref().and_then(|(idx, _)| {