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Viewing changes to storage/innobase/include/read0read.ic

  • Committer: Monty Taylor
  • Date: 2009-04-14 19:16:51 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 994.
  • Revision ID: mordred@inaugust.com-20090414191651-ltbww6hpqks8k7qk
Clarified instructions in README.

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storage/innobase/include/read0read.ic
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*****************************************************************************/
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/**************************************************//**
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@file include/read0read.ic
 
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/******************************************************
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Cursor read
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Created 2/16/1997 Heikki Tuuri
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*******************************************************/
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/*********************************************************************//**
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Gets the nth trx id in a read view.
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@return trx id */
 
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/*************************************************************************
 
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Gets the nth trx id in a read view. */
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UNIV_INLINE
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trx_id_t
 
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dulint
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read_view_get_nth_trx_id(
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/*=====================*/
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        const read_view_t*      view,   /*!< in: read view */
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        ulint                   n)      /*!< in: position */
 
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                                /* out: trx id */
 
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        read_view_t*    view,   /* in: read view */
 
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        ulint           n)      /* in: position */
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{
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        ut_ad(n < view->n_trx_ids);
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        return(*(view->trx_ids + n));
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}
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/*********************************************************************//**
 
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/*************************************************************************
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Sets the nth trx id in a read view. */
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UNIV_INLINE
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void
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read_view_set_nth_trx_id(
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/*=====================*/
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        read_view_t*    view,   /*!< in: read view */
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        ulint           n,      /*!< in: position */
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        trx_id_t        trx_id) /*!< in: trx id to set */
 
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        read_view_t*    view,   /* in: read view */
 
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        ulint           n,      /* in: position */
 
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        dulint          trx_id) /* in: trx id to set */
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{
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        ut_ad(n < view->n_trx_ids);
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        *(view->trx_ids + n) = trx_id;
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}
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/*********************************************************************//**
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Checks if a read view sees the specified transaction.
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@return TRUE if sees */
 
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/*************************************************************************
 
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Checks if a read view sees the specified transaction. */
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UNIV_INLINE
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ibool
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read_view_sees_trx_id(
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/*==================*/
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        const read_view_t*      view,   /*!< in: read view */
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        trx_id_t                trx_id) /*!< in: trx id */
 
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                                /* out: TRUE if sees */
 
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        read_view_t*    view,   /* in: read view */
 
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        dulint          trx_id) /* in: trx id */
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{
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        ulint   n_ids;
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        int     cmp;