List databases.

meta.go

@@ -22,6 +22,30 @@ import (
 	"unsafe"
 )
 
+// Executes pragma 'database_list'
+func (c *Conn) Databases() (map[string]string, os.Error) {
+	s, err := c.Prepare("PRAGMA database_list")
+	if err != nil {
+		return nil, err
+	}
+	defer s.Finalize()
+	var databases map[string]string = make(map[string]string)
+	var ok bool
+	var name, file string
+	var seq int
+	for ok, err = s.Next(); ok; ok, err = s.Next() {
+		err = s.Scan(&seq, &name, &file)
+		if err != nil {
+			return nil, err
+		}
+		databases[name] = file
+	}
+	if err != nil {
+		return nil, err
+	}
+	return databases, nil
+}
+
 // Selects tables (no view) from 'sqlite_master' and filters system tables out.
 func (c *Conn) Tables() ([]string, os.Error) {
 	s, err := c.Prepare("SELECT name FROM sqlite_master WHERE type IN ('table') AND name NOT LIKE 'sqlite_%'")
@@ -53,6 +77,7 @@ type Column struct {
 
 // Executes pragma 'table_info'
 // TODO How to specify a database-name?
+// TODO sqlite3_table_column_metadata?
 func (c *Conn) Columns(table string) ([]Column, os.Error) {
 	s, err := c.Prepare(Mprintf("PRAGMA table_info(%Q)", table))
 	if err != nil {

sqlite.go

@@ -413,7 +413,6 @@ func (s *Stmt) BindParameterName(i int) string {
 	return C.GoString(C.sqlite3_bind_parameter_name(s.stmt, C.int(i)))
 }
 
-
 // Calls sqlite3_bind_parameter_count and sqlite3_bind_(blob|double|int|int64|null|text) depending on args type.
 // http://sqlite.org/c3ref/bind_blob.html
 func (s *Stmt) Bind(args ...interface{}) os.Error {
@@ -710,7 +709,7 @@ func (c *Conn) Close() os.Error {
 		C.sqlite3_finalize(stmt)
 		stmt = C.sqlite3_next_stmt(c.db, stmt)
 	}
-	
+
 	rv := C.sqlite3_close(c.db)
 	if rv != C.SQLITE_OK {
 		return c.error(rv)
@@ -721,7 +720,7 @@ func (c *Conn) Close() os.Error {
 
 // Calls http://sqlite.org/c3ref/stmt_readonly.html
 func (s *Stmt) ReadOnly() bool {
-	return C.sqlite3_stmt_readonly(s.stmt) == 1;
+	return C.sqlite3_stmt_readonly(s.stmt) == 1
 }
 
 // Calls http://sqlite.org/c3ref/enable_load_extension.html

sqlite_test.go

@@ -278,6 +278,22 @@ func TestInsertWithStatement(t *testing.T) {
 	}
 }
 
+func TestDatabases(t *testing.T) {
+	db := open(t)
+	defer db.Close()
+
+	databases, err := db.Databases()
+	if err != nil {
+		t.Fatalf("error looking for databases: %s", err)
+	}
+	if len(databases) != 1 {
+		t.Errorf("Expected one database but got %d\n", len(databases))
+	}
+	if _, ok := databases["main"]; !ok {
+		t.Errorf("Expected 'main' database\n")
+	}
+}
+
 func TestTables(t *testing.T) {
 	db := open(t)
 	defer db.Close()