语法: quoted_value = ngx.quote_sql_str(raw_value)
环境: set_by_lua, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.**
根据 MySQL 转义规则返回一个转义后字符串。
English source:
syntax: quoted_value = ngx.quote_sql_str(raw_value)
context: set_by_lua, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.**
Returns a quoted SQL string literal according to the MySQL quoting rules.