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  • Committer: Lee Bieber
  • Date: 2010-11-07 19:34:48 UTC
  • mfrom: (1910.1.2 build)
  • Revision ID: kalebral@gmail.com-20101107193448-64kdu912qej354sh
Merge Stewart - including adapting and expanding the "differences from mysql" page from the wiki.
Merge Stewart - fix bug 668143: drizzleslap with --commit runs second iteration data load in a transaction

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plugin/innobase/include/trx0i_s.h
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/*****************************************************************************
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Copyright (C) 2007, 2009, Innobase Oy. All Rights Reserved.
 
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Copyright (c) 2007, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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#include "univ.i"
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#include "trx0types.h"
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#include "dict0types.h"
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#include "ut0ut.h"
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/** The maximum amount of memory that can be consumed by innodb_trx,
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i_s_trx_row_t::trx_query */
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#define TRX_I_S_TRX_QUERY_MAX_LEN       1024
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/** The maximum length of a string that can be stored in
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i_s_trx_row_t::trx_operation_state */
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#define TRX_I_S_TRX_OP_STATE_MAX_LEN    64
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/** The maximum length of a string that can be stored in
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i_s_trx_row_t::trx_foreign_key_error */
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#define TRX_I_S_TRX_FK_ERROR_MAX_LEN    256
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/** The maximum length of a string that can be stored in
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i_s_trx_row_t::trx_isolation_level */
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#define TRX_I_S_TRX_ISOLATION_LEVEL_MAX_LEN     16
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/** Safely copy strings in to the INNODB_TRX table's
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string based columns */
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#define TRX_I_S_STRING_COPY(data, field, constraint, tcache)    \
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do {                                                            \
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        if (strlen(data) > constraint) {                        \
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                char    buff[constraint + 1];                   \
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                strncpy(buff, data, constraint);                \
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                buff[constraint] = '\0';                        \
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                                                                \
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                field = static_cast<const char *>(ha_storage_put_memlim(                        \
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                        (tcache)->storage, buff, constraint + 1,\
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                        MAX_ALLOWED_FOR_STORAGE(tcache)));      \
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        } else {                                                \
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                field = static_cast<const char *>(ha_storage_put_str_memlim(            \
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                        (tcache)->storage, data,                \
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                        MAX_ALLOWED_FOR_STORAGE(tcache)));      \
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        }                                                       \
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} while (0)
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/** A row of INFORMATION_SCHEMA.innodb_locks */
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typedef struct i_s_locks_row_struct     i_s_locks_row_t;
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/** A row of INFORMATION_SCHEMA.innodb_trx */
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/** This structure represents INFORMATION_SCHEMA.innodb_locks row */
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struct i_s_locks_row_struct {
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        trx_id_t        lock_trx_id;    /*!< transaction identifier */
 
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        ullint          lock_trx_id;    /*!< transaction identifier */
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        const char*     lock_mode;      /*!< lock mode from
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                                        lock_get_mode_str() */
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        const char*     lock_type;      /*!< lock type from
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        /** The following are auxiliary and not included in the table */
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        /* @{ */
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        table_id_t      lock_table_id;
 
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        ullint          lock_table_id;
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                                        /*!< table identifier from
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                                        lock_get_table_id */
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        i_s_hash_chain_t hash_chain;    /*!< hash table chain node for
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/** This structure represents INFORMATION_SCHEMA.innodb_trx row */
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struct i_s_trx_row_struct {
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        trx_id_t                trx_id;         /*!< transaction identifier */
 
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        ullint                  trx_id;         /*!< transaction identifier */
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        const char*             trx_state;      /*!< transaction state from
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                                                trx_get_que_state_str() */
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        ib_time_t               trx_started;    /*!< trx_struct::start_time */
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        const i_s_locks_row_t*  requested_lock_row;
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                                        /*!< pointer to a row
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                                        in innodb_locks if trx
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                                        is waiting, or NULL */
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        ib_time_t       trx_wait_started; /*!< trx_struct::wait_started */
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        ullint          trx_weight;     /*!< TRX_WEIGHT() */
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        ulint           trx_mysql_thread_id; /*!< thd_get_thread_id() */
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        const char*     trx_query;      /*!< MySQL statement being
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                                        executed in the transaction */
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        const char*     trx_operation_state; /*!< trx_struct::op_info */
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        ulint           trx_tables_in_use;/*!< n_mysql_tables_in_use in
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                                         trx_struct */
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        ulint           trx_tables_locked;
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                                        /*!< mysql_n_tables_locked in
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                                        trx_struct */
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        ulint           trx_lock_structs;/*!< list len of trx_locks in
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                                        trx_struct */
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        ulint           trx_lock_memory_bytes;
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                                        /*!< mem_heap_get_size(
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                                        trx->lock_heap) */
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        ulint           trx_rows_locked;/*!< lock_number_of_rows_locked() */
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        ullint          trx_rows_modified;/*!< trx_struct::undo_no */
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        ulint           trx_concurrency_tickets;
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                                        /*!< n_tickets_to_enter_innodb in
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                                        trx_struct */
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        const char*     trx_isolation_level;
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                                        /*!< isolation_level in trx_struct*/
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        ibool           trx_unique_checks;
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                                        /*!< check_unique_secondary in
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                                        trx_struct*/
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        ibool           trx_foreign_key_checks;
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                                        /*!< check_foreigns in trx_struct */
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        const char*     trx_foreign_key_error;
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                                        /*!< detailed_error in trx_struct */
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        ibool           trx_has_search_latch;
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                                        /*!< has_search_latch in trx_struct */
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        ulint           trx_search_latch_timeout;
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                                        /*!< search_latch_timeout in
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                                        trx_struct */
 
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                                                /*!< pointer to a row
 
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                                                in innodb_locks if trx
 
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                                                is waiting, or NULL */
 
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        ib_time_t               trx_wait_started;
 
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                                                /*!< trx_struct::wait_started */
 
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        ullint                  trx_weight;     /*!< TRX_WEIGHT() */
 
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        ulint                   trx_mysql_thread_id;
 
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                                                /*!< thd_get_thread_id() */
 
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        const char*             trx_query;      /*!< MySQL statement being
 
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                                                executed in the transaction */
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};
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/** This structure represents INFORMATION_SCHEMA.innodb_lock_waits row */