JSONB-modifying operators and functions
In 9.3 (and to a greater extent in 9.4), JSONB data could be extracted using various functions and operators, but nothing that could actually modify the data. As of 9.5, JSONB data can now be modified.In 9.3 (
阅读背景：
postgresql 9.5 版本中JSONB数据类型新增的一些函数与功能
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