Changeset 0.17.1 (#76)

server/database/dialect.go

@@ -0,0 +1,31 @@
+package database
+
+// Dialect identifies the active database backend.
+type Dialect int
+
+const (
+	DialectPostgres Dialect = iota
+	DialectSQLite
+)
+
+// CurrentDialect is set during Connect() and read by store constructors
+// to select the appropriate SQL flavour.
+var CurrentDialect Dialect
+
+// String returns a human-readable label.
+func (d Dialect) String() string {
+	switch d {
+	case DialectPostgres:
+		return "postgres"
+	case DialectSQLite:
+		return "sqlite"
+	default:
+		return "unknown"
+	}
+}
+
+// IsPostgres returns true when connected to PostgreSQL.
+func IsPostgres() bool { return CurrentDialect == DialectPostgres }
+
+// IsSQLite returns true when connected to SQLite.
+func IsSQLite() bool { return CurrentDialect == DialectSQLite }