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Viewing changes to plugin/innobase/include/dict0dict.ic

  • Committer: Stewart Smith
  • Author(s): Jimmy Yang, Stewart Smith
  • Date: 2010-12-03 03:58:24 UTC
  • mto: (2021.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 1986.
  • Revision ID: stewart@flamingspork.com-20101203035824-tb3kvq1pvgzwox2r
Merge Revision revid:jimmy.yang@oracle.com-20100804103744-vbpeghipkz6pyc9z from MySQL InnoDB

Original revid:jimmy.yang@oracle.com-20100804103744-vbpeghipkz6pyc9z

Original Authors: Jimmy Yang <jimmy.yang@oracle.com>
Original commit message:
Fix bug #54678, InnoDB, TRUNCATE, ALTER, I_S SELECT, crash or deadlock

rb://399 approved by Sunny Bains

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plugin/innobase/include/dict0dict.ic
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        return(dict_table_flags_to_zip_size(table->flags));
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}
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/*********************************************************************//**
 
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Obtain exclusive locks on all index trees of the table. This is to prevent
 
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accessing index trees while InnoDB is updating internal metadata for
 
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operations such as truncate tables. */
 
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UNIV_INLINE
 
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void
 
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dict_table_x_lock_indexes(
 
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/*======================*/
 
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        dict_table_t*   table)  /*!< in: table */
 
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{
 
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        dict_index_t*   index;
 
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        ut_a(table);
 
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        ut_ad(mutex_own(&(dict_sys->mutex)));
 
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        /* Loop through each index of the table and lock them */
 
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        for (index = dict_table_get_first_index(table);
 
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             index != NULL;
 
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             index = dict_table_get_next_index(index)) {
 
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                rw_lock_x_lock(dict_index_get_lock(index));
 
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        }
 
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}
 
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/*********************************************************************//**
 
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Release the exclusive locks on all index tree. */
 
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UNIV_INLINE
 
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void
 
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dict_table_x_unlock_indexes(
 
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/*========================*/
 
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        dict_table_t*   table)  /*!< in: table */
 
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{
 
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        dict_index_t*   index;
 
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        ut_a(table);
 
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        ut_ad(mutex_own(&(dict_sys->mutex)));
 
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        for (index = dict_table_get_first_index(table);
 
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             index != NULL;
 
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             index = dict_table_get_next_index(index)) {
 
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                rw_lock_x_unlock(dict_index_get_lock(index));
 
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        }
 
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}
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/********************************************************************//**
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Gets the number of fields in the internal representation of an index,
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including fields added by the dictionary system.