来自Unity
SELECT * from a, b WHERE a.id = b.id
SELECT * from a INNER JOIN b ON a.id = b.idOtherwise, use the schema parameter to set a file location (e.g. schema=mongo.xml) to store the schemaO
我有一个满是引号的文档,比如:"this is a quote"。其中一些引号包含两个连字符的子句,如:"this quote - this one right here - has em dashes",而另一些只有一个连字符,如:"this quote has just我正在尝试使用一些regex来匹配所有带有两个连字符的引号,