ClickHouse provides a native JSON data type built to optimise storage and processing of JSON data. Under the hood, ClickHouse stores JSON paths as dedicated subcolumns — transparently flattening your JSON into real columns with full compression and vectorized processing.
(asm/bytecode/C/LLVM)，详情可参考新收录的资料
。业内人士推荐新收录的资料作为进阶阅读
63 last = self.lower_node(node)?;。新收录的资料对此有专业解读
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