// Close closes a database connection and any dangling statements.
// (See http://sqlite.org/c3ref/close.html)
func (c *Conn) Close() error {
if c == nil {
return errors.New("nil sqlite database")
}
if c.db == nil {
return nil
}
c.stmtCache.flush()
// Dangling statements
stmt := C.sqlite3_next_stmt(c.db, nil)
for stmt != nil {
if C.sqlite3_stmt_busy(stmt) != 0 {
Log(C.SQLITE_MISUSE, "Dangling statement (not reset): \""+C.GoString(C.sqlite3_sql(stmt))+"\"")
} else {
Log(C.SQLITE_MISUSE, "Dangling statement (not finalize): \""+C.GoString(C.sqlite3_sql(stmt))+"\"")
}
C.sqlite3_finalize(stmt)
stmt = C.sqlite3_next_stmt(c.db, nil)
}
rv := C.sqlite3_close(c.db)
if rv != C.SQLITE_OK {
Log(int(rv), "error while closing Conn")
return c.error(rv, "Conn.Close")
}
c.db = nil
return nil
}
// Busy returns true if the prepared statement is in need of being reset.
// (See http://sqlite.org/c3ref/stmt_busy.html)
func (s *Stmt) Busy() bool {
return C.sqlite3_stmt_busy(s.stmt) != 0
}