diff --git a/bindings_test.go b/bindings_test.go
index 3cfba218c..c12c15bad 100644
--- a/bindings_test.go
+++ b/bindings_test.go
@@ -406,7 +406,10 @@ func TestBulkArrayBindingUUID(t *testing.T) {
 				assertNilF(t, rows.Close())
 			}
 
-			dbt.exec(deleteTableSQL)
+			_, err := dbt.exec(deleteTableSQL)
+			if err != nil {
+				t.Logf("failed to drop table. err: %s", err)
+			}
 		})
 
 		dbt.mustExec(createTable)
diff --git a/structured_type_read_test.go b/structured_type_read_test.go
index b9f3222e2..e5c76cddb 100644
--- a/structured_type_read_test.go
+++ b/structured_type_read_test.go
@@ -237,7 +237,7 @@ func TestObjectWithAllTypesAsObject(t *testing.T) {
 		dbt.mustExec("ALTER SESSION SET TIMEZONE = 'Europe/Warsaw'")
 		forAllStructureTypeFormats(dbt, func(t *testing.T, format string) {
 			uid := newTestUUID()
-			rows := dbt.mustQueryContextT(ctx, t, fmt.Sprintf("SELECT 1, {'s': 'some string', 'b': 1, 'i16': 2, 'i32': 3, 'i64': 9223372036854775807, 'f32': '1.1', 'f64': 2.2, 'nfraction': 3.3, 'bo': true, 'bi': TO_BINARY('616263', 'HEX'), 'date': '2024-03-21'::DATE, 'time': '13:03:02'::TIME, 'ltz': '2021-07-21 11:22:33'::TIMESTAMP_LTZ, 'tz': '2022-08-31 13:43:22 +0200'::TIMESTAMP_TZ, 'ntz': '2023-05-22 01:17:19'::TIMESTAMP_NTZ, 'so': {'s': 'child', 'i': 9}, 'sArr': ARRAY_CONSTRUCT('x', 'y', 'z'), 'f64Arr': ARRAY_CONSTRUCT(1.1, 2.2, 3.3), 'someMap': {'x': true, 'y': false}, 'uuid': '%s' }::OBJECT(s VARCHAR, b TINYINT, i16 SMALLINT, i32 INTEGER, i64 BIGINT, f32 FLOAT, f64 DOUBLE, nfraction NUMBER(38, 19), bo BOOLEAN, bi BINARY, date DATE, time TIME, ltz TIMESTAMP_LTZ, tz TIMESTAMP_TZ, ntz TIMESTAMP_NTZ, so OBJECT(s VARCHAR, i INTEGER), sArr ARRAY(VARCHAR), f64Arr ARRAY(DOUBLE), someMap MAP(VARCHAR, BOOLEAN), uuid VARCHAR)", uid))
+			rows := dbt.mustQueryContextT(ctx, t, fmt.Sprintf("SELECT 1, {'s': 'some string', 'b': 1, 'i16': 2, 'i32': 3, 'i64': 9223372036854775807, 'f32': '1.1', 'f64': 2.2, 'nfraction': 3.3, 'bo': true, 'bi': TO_BINARY('616263', 'HEX'), 'date': '2024-03-21'::DATE, 'time': '13:03:02'::TIME, 'ltz': '2021-07-21 11:22:33'::TIMESTAMP_LTZ, 'tz': '2022-08-31 13:43:22 +0200'::TIMESTAMP_TZ, 'ntz': '2023-05-22 01:17:19'::TIMESTAMP_NTZ, 'so': {'s': 'child', 'i': 9}, 'sArr': ARRAY_CONSTRUCT('x', 'y', 'z'), 'f64Arr': ARRAY_CONSTRUCT(1.1, 2.2, 3.3), 'someMap': {'x': true, 'y': false}, 'uuid': '%s'}::OBJECT(s VARCHAR, b TINYINT, i16 SMALLINT, i32 INTEGER, i64 BIGINT, f32 FLOAT, f64 DOUBLE, nfraction NUMBER(38, 19), bo BOOLEAN, bi BINARY, date DATE, time TIME, ltz TIMESTAMP_LTZ, tz TIMESTAMP_TZ, ntz TIMESTAMP_NTZ, so OBJECT(s VARCHAR, i INTEGER), sArr ARRAY(VARCHAR), f64Arr ARRAY(DOUBLE), someMap MAP(VARCHAR, BOOLEAN), uuid VARCHAR)", uid))
 			defer rows.Close()
 			rows.Next()
 			var ignore int
@@ -466,7 +466,7 @@ func TestObjectWithAllTypesNullable(t *testing.T) {
 		dbt.mustExec("ALTER SESSION SET TIMEZONE = 'Europe/Warsaw'")
 		forAllStructureTypeFormats(dbt, func(t *testing.T, format string) {
 			t.Run("null", func(t *testing.T) {
-				rows := dbt.mustQueryContextT(ctx, t, "select null, object_construct_keep_null('s', null, 'b', null, 'i16', null, 'i32', null, 'i64', null, 'f64', null, 'bo', null, 'bi', null, 'date', null, 'time', null, 'ltz', null, 'tz', null, 'ntz', null, 'so', null, 'sArr', null, 'f64Arr', null, 'someMap', null, 'uuid': null)::OBJECT(s VARCHAR, b TINYINT, i16 SMALLINT, i32 INTEGER, i64 BIGINT, f64 DOUBLE, bo BOOLEAN, bi BINARY, date DATE, time TIME, ltz TIMESTAMP_LTZ, tz TIMESTAMP_TZ, ntz TIMESTAMP_NTZ, so OBJECT(s VARCHAR, i INTEGER), sArr ARRAY(VARCHAR), f64Arr ARRAY(DOUBLE), someMap MAP(VARCHAR, BOOLEAN), uuid VARCHAR)")
+				rows := dbt.mustQueryContextT(ctx, t, "select null, object_construct_keep_null('s', null, 'b', null, 'i16', null, 'i32', null, 'i64', null, 'f64', null, 'bo', null, 'bi', null, 'date', null, 'time', null, 'ltz', null, 'tz', null, 'ntz', null, 'so', null, 'sArr', null, 'f64Arr', null, 'someMap', null, 'uuid', null)::OBJECT(s VARCHAR, b TINYINT, i16 SMALLINT, i32 INTEGER, i64 BIGINT, f64 DOUBLE, bo BOOLEAN, bi BINARY, date DATE, time TIME, ltz TIMESTAMP_LTZ, tz TIMESTAMP_TZ, ntz TIMESTAMP_NTZ, so OBJECT(s VARCHAR, i INTEGER), sArr ARRAY(VARCHAR), f64Arr ARRAY(DOUBLE), someMap MAP(VARCHAR, BOOLEAN), uuid VARCHAR)")
 				defer rows.Close()
 				rows.Next()
 				var ignore sql.NullInt32
@@ -694,7 +694,7 @@ func TestObjectWithAllTypesSimpleScanNullable(t *testing.T) {
 			})
 			t.Run("not null", func(t *testing.T) {
 				uid := newTestUUID()
-				rows := dbt.mustQueryContextT(ctx, t, fmt.Sprintf("select 1, object_construct_keep_null('s', 'abc', 'b', 1, 'i16', 2, 'i32', 3, 'i64', 9223372036854775807, 'f64', 2.2, 'bo', true, 'bi', TO_BINARY('616263', 'HEX'), 'date', '2024-03-21'::DATE, 'time', '13:03:02'::TIME, 'ltz', '2021-07-21 11:22:33'::TIMESTAMP_LTZ, 'tz', '2022-08-31 13:43:22 +0200'::TIMESTAMP_TZ, 'ntz', '2023-05-22 01:17:19'::TIMESTAMP_NTZ, 'so', {'s': 'child', 'i': 9}::OBJECT, 'sArr', ARRAY_CONSTRUCT('x', 'y', 'z'), 'f64Arr', ARRAY_CONSTRUCT(1.1, 2.2, 3.3), 'someMap', {'x': true, 'y': false}, 'uuid': '%s')::OBJECT(s VARCHAR, b TINYINT, i16 SMALLINT, i32 INTEGER, i64 BIGINT, f64 DOUBLE, bo BOOLEAN, bi BINARY, date DATE, time TIME, ltz TIMESTAMP_LTZ, tz TIMESTAMP_TZ, ntz TIMESTAMP_NTZ, so OBJECT(s VARCHAR, i INTEGER), sArr ARRAY(VARCHAR), f64Arr ARRAY(DOUBLE), someMap MAP(VARCHAR, BOOLEAN), uuid VARCHAR)", uid))
+				rows := dbt.mustQueryContextT(ctx, t, fmt.Sprintf("select 1, object_construct_keep_null('s', 'abc', 'b', 1, 'i16', 2, 'i32', 3, 'i64', 9223372036854775807, 'f64', 2.2, 'bo', true, 'bi', TO_BINARY('616263', 'HEX'), 'date', '2024-03-21'::DATE, 'time', '13:03:02'::TIME, 'ltz', '2021-07-21 11:22:33'::TIMESTAMP_LTZ, 'tz', '2022-08-31 13:43:22 +0200'::TIMESTAMP_TZ, 'ntz', '2023-05-22 01:17:19'::TIMESTAMP_NTZ, 'so', {'s': 'child', 'i': 9}::OBJECT, 'sArr', ARRAY_CONSTRUCT('x', 'y', 'z'), 'f64Arr', ARRAY_CONSTRUCT(1.1, 2.2, 3.3), 'someMap', {'x': true, 'y': false}, 'uuid', '%s')::OBJECT(s VARCHAR, b TINYINT, i16 SMALLINT, i32 INTEGER, i64 BIGINT, f64 DOUBLE, bo BOOLEAN, bi BINARY, date DATE, time TIME, ltz TIMESTAMP_LTZ, tz TIMESTAMP_TZ, ntz TIMESTAMP_NTZ, so OBJECT(s VARCHAR, i INTEGER), sArr ARRAY(VARCHAR), f64Arr ARRAY(DOUBLE), someMap MAP(VARCHAR, BOOLEAN), uuid VARCHAR)", uid))
 				defer rows.Close()
 				rows.Next()
 				var ignore sql.NullInt32