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a8f2f7af32
row_search_for_mysql(): When a secondary index record might not be visible in the current transaction's read view and we consult the clustered index and optionally some undo log records, return the relevant columns of the clustered index record to MySQL instead of the secondary index record. REC_INFO_DELETED_FLAG: Move the definition from rem0rec.ic to rem0rec.h. ibuf_insert_to_index_page_low(): New function, refactored from ibuf_insert_to_index_page(). ibuf_insert_to_index_page(): When we are inserting a record in place of a delete-marked record and some fields of the record differ, update that record just like row_ins_sec_index_entry_by_modify() would do. mysql_row_templ_t: Add clust_rec_field_no. row_sel_store_mysql_rec(), row_sel_push_cache_row_for_mysql(): Add the flag rec_clust, for returning data at clust_rec_field_no instead of rec_field_no. Resurrect the debug assertion that the record not be marked for deletion. (Bug #55626) buf_LRU_free_block(): Refactored from buf_LRU_search_and_free_block(). This is needed for the innodb_change_buffering_debug diagnostics. [UNIV_DEBUG || UNIV_IBUF_DEBUG] ibuf_debug, buf_page_get_gen(), buf_flush_page_try(): Implement innodb_change_buffering_debug=1 for evicting pages from the buffer pool, so that change buffering will be attempted more frequently. |
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