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Commit Graph

4 Commits

Author SHA1 Message Date
41e368f22d MDEV-25149 JSON_TABLE: Inconsistency in implicit data type conversion.
Only return the error if field->store produced errors, not warnings.
2021-04-21 10:21:48 +04:00
84cf9c2e11 MDEV-25202: JSON_TABLE: Early table reference leads to unexpected result set
(Also fixes MDEV-25254).
Re-work Name Resolution for the argument of JSON_TABLE(json_doc, ....)
function. The json_doc argument can refer to other tables, but it can
only refer to the tables that precede[*] the JSON_TABLE(...) call.

[*] - For queries with RIGHT JOINs, the "preceding" is determined after
the query is normalized by converting RIGHT JOIN into left one.

The implementation is as follows:
- Table function arguments use their own Name_resolution_context.

- The Name_resolution_context now has a bitmap of tables that should be
  ignored when searching for a field.

- get_disallowed_table_deps() walks the TABLE_LIST::nested_join tree
  and computes a bitmap of tables that do not "precede" the given
  JSON_TABLE(...) invocation  (according the above definition of
  "preceding").
2021-04-21 10:21:45 +04:00
d2e2219e46 MDEV-25146 JSON_TABLE: Non-descriptive + wrong error messages upon trying to store array or object.
More informative messages added.
Do not issue additional messages if already handled.
2021-04-21 10:21:45 +04:00
e9fd327ee3 MDEV-17399 Add support for JSON_TABLE.
The specific table handler for the table functions was introduced,
and used to implement JSON_TABLE.
2021-04-21 10:21:43 +04:00