Files
tidb/executor
qupeng c59d5bc6f7 parser: support two json grammar sugar. (#3854)
`select a->'$.a'` equals to `select json_extract(a, '$.a')`;
`select a->>'$.a'` equals to `select json_unquote(json_extract(a, '$.a'))`.
2017-07-24 14:01:49 +08:00
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