chore: import upstream snapshot with attribution

2026-07-13 12:32:25 +08:00
commit e014feafe1
2285 changed files with 1131979 additions and 0 deletions
@@ -0,0 +1,91 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package output
+
+import (
+	"testing"
+
+	"github.com/dolthub/go-mysql-server/sql"
+)
+
+func Test_Length(t *testing.T) {
+	RunScripts(t, []ScriptTest{
+		{
+			Name: "length",
+			Assertions: []ScriptTestAssertion{
+				{
+					Query:    "SELECT length( '' ) ;",
+					Expected: []sql.Row{{int32(0)}},
+				},
+				{
+					Query:    "SELECT length( ' ' ) ;",
+					Expected: []sql.Row{{int32(1)}},
+				},
+				{
+					Query:    "SELECT length( '0' ) ;",
+					Expected: []sql.Row{{int32(1)}},
+				},
+				{
+					Query:    "SELECT length( '1' ) ;",
+					Expected: []sql.Row{{int32(1)}},
+				},
+				{
+					Query:    "SELECT length( 'a' ) ;",
+					Expected: []sql.Row{{int32(1)}},
+				},
+				{
+					Query:    "SELECT length( 'abc' ) ;",
+					Expected: []sql.Row{{int32(3)}},
+				},
+				{
+					Query:    "SELECT length( '123' ) ;",
+					Expected: []sql.Row{{int32(3)}},
+				},
+				{
+					Query:    "SELECT length( 'value' ) ;",
+					Expected: []sql.Row{{int32(5)}},
+				},
+				{
+					Query:    "SELECT length( '12345' ) ;",
+					Expected: []sql.Row{{int32(5)}},
+				},
+				{
+					Query:    "SELECT length( 'something' ) ;",
+					Expected: []sql.Row{{int32(9)}},
+				},
+				{
+					Query:    "SELECT length( ' something' ) ;",
+					Expected: []sql.Row{{int32(10)}},
+				},
+				{
+					Query:    "SELECT length( 'something ' ) ;",
+					Expected: []sql.Row{{int32(10)}},
+				},
+				{
+					Query:    "SELECT length( '123456789' ) ;",
+					Expected: []sql.Row{{int32(9)}},
+				},
+				{
+					Query:    "SELECT length( 'a group of words' ) ;",
+					Expected: []sql.Row{{int32(16)}},
+				},
+				{
+					Query:    "SELECT length( '1234567890123456' ) ;",
+					Expected: []sql.Row{{int32(16)}},
+				},
+			},
+		},
+	})
+}