fix(migrations): preserve only reserved sqlite_ objects during reset …

migrations/reset.go

@@ -102,7 +102,7 @@ func dropSQLiteSchema(db *database.DB) error {
 	if err := db.Raw(`
 SELECT type, name FROM sqlite_master
 WHERE type IN ('table', 'view')
-  AND name NOT LIKE 'sqlite_%'
+  AND name NOT LIKE 'sqlite\_%' ESCAPE '\'
 ORDER BY type DESC, name`).Scan(&objects).Error; err != nil {
 		return fmt.Errorf("migrations: list sqlite objects: %w", err)
 	}

migrations/reset_sqlite_prefix_test.go

@@ -0,0 +1,46 @@
+package migrations
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/gombit-dev/gombit/config"
+	"github.com/gombit-dev/gombit/database"
+)
+
+func TestDropSQLiteSchemaOnlyPreservesReservedPrefix(t *testing.T) {
+	cfg := config.DatabaseConfig{
+		Driver: config.DatabaseDriverSQLite,
+		DSN:    "file:" + filepath.Join(t.TempDir(), "reset.db") + "?cache=shared&_fk=1",
+	}
+	db, err := database.Open(cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() { _ = db.Close() }()
+
+	for _, ddl := range []string{
+		"CREATE TABLE normal_table (id INTEGER PRIMARY KEY)",
+		"CREATE TABLE sqlitex_cache (id INTEGER PRIMARY KEY)",
+		"CREATE TABLE sqlite3_import (id INTEGER PRIMARY KEY)",
+		"CREATE TABLE SqlitEy_cache (id INTEGER PRIMARY KEY)",
+		"CREATE TABLE reserved_anchor (id INTEGER PRIMARY KEY AUTOINCREMENT)",
+		"CREATE VIEW sqlitex_view AS SELECT id FROM reserved_anchor",
+	} {
+		if err := db.Exec(ddl).Error; err != nil {
+			t.Fatalf("fixture %q: %v", ddl, err)
+		}
+	}
+	if err := dropSQLiteSchema(db); err != nil {
+		t.Fatalf("dropSQLiteSchema: %v", err)
+	}
+
+	var remaining []struct{ Name string }
+	if err := db.Raw("SELECT name FROM sqlite_master WHERE type IN ('table','view') ORDER BY name").
+		Scan(&remaining).Error; err != nil {
+		t.Fatal(err)
+	}
+	if len(remaining) != 1 || remaining[0].Name != "sqlite_sequence" {
+		t.Fatalf("remaining SQLite objects = %+v, want only sqlite_sequence", remaining)
+	}
+}