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Between btr_pcur_store_position() and btr_pcur_restore_position() it is possible that purge empties a table and enlarges index->n_core_fields and index->n_core_null_bytes. Therefore, we must cache index->n_core_fields in btr_pcur_t::old_n_core_fields so that btr_pcur_t::old_rec can be parsed correctly. Unfortunately, this is a huge change, because we will replace "bool leaf" parameters with "ulint n_core" (passing index->n_core_fields, or 0 for non-leaf pages). For special cases where we know that index->is_instant() cannot hold, we may also pass index->n_fields. |
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| gis0geo.cc | ||
| gis0rtree.cc | ||
| gis0sea.cc | ||