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  • Committer: Stewart Smith
  • Author(s): Marko Mäkelä, Stewart Smith
  • Date: 2010-12-17 04:05:47 UTC
  • mto: (2021.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 2022.
  • Revision ID: stewart@flamingspork.com-20101217040547-vxdivnnqnp62xfqi
Merge Revision revid:marko.makela@oracle.com-20101019060415-bj3u6ewk022mk4nr from MySQL InnoDB

Original revid:marko.makela@oracle.com-20101019060415-bj3u6ewk022mk4nr

Original Authors: Marko Mkel <marko.makela@oracle.com>
Original commit message:
Bug #56680 wrong InnoDB results from a case-insensitive covering index

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.

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.

btr_cur_update_alloc_zip(): Make the function public.

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)

[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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                                        Innobase record in the current index;
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                                        not defined if template_type is
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                                        ROW_MYSQL_WHOLE_ROW */
 
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        ulint   clust_rec_field_no;     /*!< field number of the column in an
 
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                                        Innobase record in the clustered index;
 
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                                        not defined if template_type is
 
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                                        ROW_MYSQL_WHOLE_ROW */
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        ulint   mysql_col_offset;       /*!< offset of the column in the MySQL
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                                        row format */
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        ulint   mysql_col_len;          /*!< length of the column in the MySQL