将 firebase CLI 与实时数据库结合使用时 我可以使用这样的命令来读取集合:
% firebase database:get DB_Path
但是我找不到只选择我需要的文档的方法。
我很难相信这是不可能的。
类似:
% firebase database:get DB_Path where (name='Biden Joe')
有正确的语法来做到这一点吗?
要了解
database:get
命令的选项,请运行 firebase database:get --help
,如下所示:
% firebase database:get --help
Usage: firebase database:get [options] <path>
fetch and print JSON data at the specified path
Options:
-o, --output <filename> save output to the specified file
--pretty pretty print response
--shallow return shallow response
--export include priorities in the output response
--order-by <key> select a child key by which to order results
--order-by-key order by key name
--order-by-value order by primitive value
--limit-to-first <num> limit to the first <num> results
--limit-to-last <num> limit to the last <num> results
--start-at <val> start results at <val> (based on specified ordering)
--end-at <val> end results at <val> (based on specified ordering)
--equal-to <val> restrict results to <val> (based on specified ordering)
--instance <instance> use the database <instance>.firebaseio.com (if omitted, use default database instance)
-h, --help output usage information