[doc](struct) match STRUCT sub-fields by name in cast from string#3907
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[doc](struct) match STRUCT sub-fields by name in cast from string#3907csun5285 wants to merge 1 commit into
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Document the behavior change from apache/doris#64011: when casting a string to STRUCT with field names (named mode), fields are now matched by name (case-insensitive) instead of by position. The input field order may differ from the schema, missing fields are filled with NULL, and unknown fields are rejected in strict mode / ignored in non-strict mode. Positional input (no field names) still requires an exact field count. Updated EN/ZH for dev and 4.x. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Document the behavior change from apache/doris#64011: when casting a string to STRUCT with field names fields are now matched by name (case-insensitive) instead of by position.
The input field order may differ from the schema, missing fields are filled with NULL, and unknown fields are rejected in strict mode / ignored in non-strict mode.
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