postgres-json-schema allows validation of JSON schemas in PostgreSQL. It is implemented as a PL/pgSQL function and you can use it as a check constraint to validate the format of your JSON columns.
Revenue was $30.1 billion and increased 17%, driven by growth across each of our segments. Revenue included a favorable foreign currency impact of 2%. Gross margin was $20.3 billion and increased 19%, ...
循环是Python里写得最多的结构，但大多数人写来写去就是for x in list加range(len())。那些能省掉嵌套、避免flag变量、让循环自解释的技巧，往往用到的时候才后悔没早点知道。 循环是Python里写得最多的结构，但大多数人写来写去就是for x in list加range(len())。那些能 ...
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