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@ -1,6 +1,6 @@ |
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/***************************************************************************** |
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Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved. |
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Copyright (c) 1995, 2010, 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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@ -1883,63 +1883,11 @@ fil_write_flushed_lsn_to_data_files( |
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return(DB_SUCCESS); |
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} |
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/*******************************************************************//** |
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Checks the consistency of the first data page of a data file |
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at database startup. |
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@retval NULL on success, or if innodb_force_recovery is set |
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@return pointer to an error message string */ |
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static __attribute__((warn_unused_result)) |
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const char* |
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fil_check_first_page( |
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/*=================*/ |
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const page_t* page, /*!< in: data page */ |
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ibool first_page) /*!< in: TRUE if this is the |
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first page of the tablespace */ |
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{ |
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ulint space_id; |
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ulint flags; |
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if (srv_force_recovery >= SRV_FORCE_IGNORE_CORRUPT) { |
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return(NULL); |
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} |
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space_id = mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_ID + page); |
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flags = mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page); |
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if (first_page && !space_id && !flags) { |
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ulint nonzero_bytes = UNIV_PAGE_SIZE; |
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const byte* b = page; |
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while (!*b && --nonzero_bytes) { |
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b++; |
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} |
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if (!nonzero_bytes) { |
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return("space header page consists of zero bytes"); |
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} |
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} |
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if (buf_page_is_corrupted( |
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FALSE, page, dict_table_flags_to_zip_size(flags))) { |
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return("checksum mismatch"); |
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} |
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if (!first_page |
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|| (page_get_space_id(page) == space_id |
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&& page_get_page_no(page) == 0)) { |
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return(NULL); |
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} |
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return("inconsistent data in space header"); |
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} |
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/*******************************************************************//** |
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Reads the flushed lsn, arch no, and tablespace flag fields from a data |
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file at database startup. |
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@retval NULL on success, or if innodb_force_recovery is set |
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@return pointer to an error message string */ |
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file at database startup. */ |
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UNIV_INTERN |
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const char* |
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void |
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fil_read_first_page( |
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/*================*/ |
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os_file_t data_file, /*!< in: open data file */ |
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@ -1961,7 +1909,6 @@ fil_read_first_page( |
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byte* buf; |
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page_t* page; |
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ib_uint64_t flushed_lsn; |
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const char* check_msg; |
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buf = ut_malloc(2 * UNIV_PAGE_SIZE); |
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/* Align the memory for a possible read from a raw device */ |
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@ -1969,18 +1916,13 @@ fil_read_first_page( |
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os_file_read(data_file, page, 0, 0, UNIV_PAGE_SIZE); |
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*flags = mach_read_from_4(FSP_HEADER_OFFSET + FSP_SPACE_FLAGS + page); |
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*flags = mach_read_from_4(page + |
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FSP_HEADER_OFFSET + FSP_SPACE_FLAGS); |
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flushed_lsn = mach_read_from_8(page + FIL_PAGE_FILE_FLUSH_LSN); |
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check_msg = fil_check_first_page(page, !one_read_already); |
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ut_free(buf); |
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if (check_msg) { |
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return(check_msg); |
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} |
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if (!one_read_already) { |
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*min_flushed_lsn = flushed_lsn; |
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*max_flushed_lsn = flushed_lsn; |
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@ -1988,7 +1930,7 @@ fil_read_first_page( |
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*min_arch_log_no = arch_log_no; |
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*max_arch_log_no = arch_log_no; |
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#endif /* UNIV_LOG_ARCHIVE */ |
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return(NULL); |
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return; |
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} |
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if (*min_flushed_lsn > flushed_lsn) { |
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@ -2005,8 +1947,6 @@ fil_read_first_page( |
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*max_arch_log_no = arch_log_no; |
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} |
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#endif /* UNIV_LOG_ARCHIVE */ |
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return(NULL); |
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} |
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/*================ SINGLE-TABLE TABLESPACES ==========================*/ |
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@ -3331,7 +3271,6 @@ fil_open_single_table_tablespace( |
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os_file_t file; |
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char* filepath; |
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ibool success; |
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const char* check_msg; |
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byte* buf2; |
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byte* page; |
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ulint space_id; |
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@ -3392,8 +3331,6 @@ fil_open_single_table_tablespace( |
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success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); |
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check_msg = fil_check_first_page(page, TRUE); |
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/* We have to read the tablespace id and flags from the file. */ |
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space_id = fsp_header_get_space_id(page); |
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@ -3429,7 +3366,7 @@ fil_open_single_table_tablespace( |
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current_lsn = log_get_lsn(); |
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/* check the header page's consistency */ |
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if (buf_page_is_corrupted(TRUE, page, |
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if (buf_page_is_corrupted(page, |
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dict_table_flags_to_zip_size(space_flags))) { |
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fprintf(stderr, "InnoDB: page 0 of %s seems corrupt.\n", filepath); |
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file_is_corrupt = TRUE; |
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@ -3851,20 +3788,8 @@ skip_write: |
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ut_free(buf2); |
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if (check_msg) { |
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ut_print_timestamp(stderr); |
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fprintf(stderr, " InnoDB: Error: %s in file ", check_msg); |
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ut_print_filename(stderr, filepath); |
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fprintf(stderr, " (tablespace id=%lu, flags=%lu)\n" |
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"InnoDB: Please refer to " REFMAN |
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"innodb-troubleshooting-datadict.html\n", |
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(ulong) id, (ulong) flags); |
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success = FALSE; |
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goto func_exit; |
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} |
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if (space_id != id |
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|| space_flags != (flags & ~(~0 << DICT_TF_BITS))) { |
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if (UNIV_UNLIKELY(space_id != id |
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|| space_flags != (flags & ~(~0 << DICT_TF_BITS)))) { |
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ut_print_timestamp(stderr); |
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fputs(" InnoDB: Error: tablespace id and flags in file ", |
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@ -4355,21 +4280,11 @@ fil_load_single_table_tablespace( |
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page = ut_align(buf2, UNIV_PAGE_SIZE); |
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if (size >= FIL_IBD_FILE_INITIAL_SIZE * (lint)UNIV_PAGE_SIZE) { |
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const char* check_msg; |
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success = os_file_read(file, page, 0, 0, UNIV_PAGE_SIZE); |
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/* We have to read the tablespace id from the file */ |
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check_msg = fil_check_first_page(page, TRUE); |
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if (check_msg) { |
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fprintf(stderr, |
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"InnoDB: Error: %s in file %s", |
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check_msg, filepath); |
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goto func_exit; |
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} |
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space_id = fsp_header_get_space_id(page); |
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flags = fsp_header_get_flags(page); |
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} else { |
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unknown
13 years ago