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MySQL 9.0.0
Source Code Documentation
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Caching of externally stored column prefixes. More...
Functions | |
const byte * | row_ext_lookup_ith (const row_ext_t *ext, ulint i, ulint *len) |
Looks up a column prefix of an externally stored column. More... | |
const byte * | row_ext_lookup (const row_ext_t *ext, ulint col, ulint *len) |
Looks up a column prefix of an externally stored column. More... | |
Caching of externally stored column prefixes.
Created September 2006 Marko Makela
Looks up a column prefix of an externally stored column.
[in] | ext | column prefix cache |
[in] | col | column number in the InnoDB table object, as reported by dict_col_get_no(); NOT relative to the records in the clustered index |
[out] | len | length of prefix, in bytes, at most the length determined by DICT_MAX_FIELD_LEN_BY_FORMAT() |
Looks up a column prefix of an externally stored column.
[in,out] | ext | column prefix cache |
[in] | i | index of ext->ext[] |
[out] | len | length of prefix, in bytes, at most the length determined by DICT_MAX_FIELD_LEN_BY_FORMAT() |