From 056c253cac98a31790cd8dbcb6ef8f788071b7dd Mon Sep 17 00:00:00 2001
From: Andrew Lamb <andrew@nerdnetworks.org>
Date: Fri, 20 Dec 2024 09:08:36 -0500
Subject: [PATCH] Minor: improve error message when ARRAY literals can not be
 planned

---
 datafusion/sql/src/expr/value.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/datafusion/sql/src/expr/value.rs b/datafusion/sql/src/expr/value.rs
index a70934b5cd5d..354653e63205 100644
--- a/datafusion/sql/src/expr/value.rs
+++ b/datafusion/sql/src/expr/value.rs
@@ -24,7 +24,7 @@ use arrow_schema::{DataType, DECIMAL256_MAX_PRECISION};
 use bigdecimal::num_bigint::BigInt;
 use bigdecimal::{BigDecimal, Signed, ToPrimitive};
 use datafusion_common::{
-    internal_datafusion_err, internal_err, not_impl_err, plan_err, DFSchema,
+    internal_datafusion_err, not_impl_err, plan_err, DFSchema,
     DataFusionError, Result, ScalarValue,
 };
 use datafusion_expr::expr::{BinaryExpr, Placeholder};
@@ -169,7 +169,7 @@ impl<S: ContextProvider> SqlToRel<'_, S> {
             }
         }
 
-        internal_err!("Expected a simplified result, but none was found")
+        not_impl_err!("Could not plan array literal. Hint: is `nested_expressions` DataFusion feature selected?")
     }
 
     /// Convert a SQL interval expression to a DataFusion logical plan