From 8dffd7009dd1176b105184cb78532dcc5343c9a6 Mon Sep 17 00:00:00 2001
From: Hans Song <hans.m.song@gmail.com>
Date: Sun, 12 Nov 2023 14:06:43 +1000
Subject: [PATCH] remove index name

---
 sqlutil/schema.go      | 3 +--
 sqlutil/schema_test.go | 6 ++----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/sqlutil/schema.go b/sqlutil/schema.go
index 9576844..d65918d 100644
--- a/sqlutil/schema.go
+++ b/sqlutil/schema.go
@@ -54,7 +54,6 @@ func (t Table) String() string {
 }
 
 type Index struct {
-	Name    string
 	Unique  bool
 	Table   string
 	Columns Columns
@@ -69,7 +68,7 @@ func (i Index) String() string {
 	return fmt.Sprintf(
 		"CREATE %s IF NOT EXISTS %s ON %s (%s)",
 		indexType,
-		i.Name,
+		strings.Join(i.Columns.Names(), "_"),
 		i.Table,
 		strings.Join(i.Columns.Names(), ", "),
 	)
diff --git a/sqlutil/schema_test.go b/sqlutil/schema_test.go
index 9aa24ca..f88e0cc 100644
--- a/sqlutil/schema_test.go
+++ b/sqlutil/schema_test.go
@@ -142,17 +142,15 @@ func TestIndexString(t *testing.T) {
 	}{
 		{
 			input: sqlutil.Index{
-				Name:  "index",
 				Table: "table",
 				Columns: sqlutil.Columns{
 					{Name: "name"},
 				},
 			},
-			expected: "CREATE INDEX IF NOT EXISTS index ON table (name)",
+			expected: "CREATE INDEX IF NOT EXISTS name ON table (name)",
 		},
 		{
 			input: sqlutil.Index{
-				Name:   "index",
 				Table:  "table",
 				Unique: true,
 				Columns: sqlutil.Columns{
@@ -160,7 +158,7 @@ func TestIndexString(t *testing.T) {
 					{Name: "timestamp", Type: "INTEGER"},
 				},
 			},
-			expected: "CREATE UNIQUE INDEX IF NOT EXISTS index ON table (name, timestamp)",
+			expected: "CREATE UNIQUE INDEX IF NOT EXISTS name_timestamp ON table (name, timestamp)",
 		},
 	}