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Commit 5dd0c77e authored by Jan Lindström's avatar Jan Lindström
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MDEV-9362: InnoDB tables using DATA_DIRECTORY created using 

MySQL 5.6 do not work with MariaDB 10.1

Analysis: Problem is that tablespace flags bit DATA_DIR
is on different position on MySQL 5.6 compared to
MariaDB 10.1.

Fix: If we detect that there is difference between dictionary
flags and tablespace flags we remove DATA_DIR flag and compare
again. Remote tablespace is tried to locate even in case
when DATA_DIR flag is not set.
parent 80da57cc
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Inline Side-by-side
Showing with 135 additions and 43 deletions
storage/innobase/dict/dict0load.cc
View file @ 5dd0c77e
/***************************************************************************** /*****************************************************************************
Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved. Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2016, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify it under This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software the terms of the GNU General Public License as published by the Free Software
...@@ -2241,8 +2242,9 @@ dict_get_and_save_data_dir_path( ...@@ -2241,8 +2242,9 @@ dict_get_and_save_data_dir_path(
bool dict_mutex_own) /*!< in: true if dict_sys->mutex bool dict_mutex_own) /*!< in: true if dict_sys->mutex
is owned already */ is owned already */
{ {
if (DICT_TF_HAS_DATA_DIR(table->flags) bool is_temp = DICT_TF2_FLAG_IS_SET(table, DICT_TF2_TEMPORARY);
&& (!table->data_dir_path)) {
if (!is_temp && !table->data_dir_path && table->space) {
char* path = fil_space_get_first_path(table->space); char* path = fil_space_get_first_path(table->space);
if (!dict_mutex_own) { if (!dict_mutex_own) {
...@@ -2254,6 +2256,7 @@ dict_get_and_save_data_dir_path( ...@@ -2254,6 +2256,7 @@ dict_get_and_save_data_dir_path(
} }
if (path) { if (path) {
table->flags |= (1 << DICT_TF_POS_DATA_DIR);
dict_save_data_dir_path(table, path); dict_save_data_dir_path(table, path);
mem_free(path); mem_free(path);
} }
...@@ -2394,16 +2397,14 @@ err_exit: ...@@ -2394,16 +2397,14 @@ err_exit:
} }
/* Use the remote filepath if needed. */ /* Use the remote filepath if needed. */
if (DICT_TF_HAS_DATA_DIR(table->flags)) { /* This needs to be added to the tablex1
/* This needs to be added to the table from SYS_DATAFILES */
from SYS_DATAFILES */ dict_get_and_save_data_dir_path(table, true);
dict_get_and_save_data_dir_path(table, true);
if (table->data_dir_path) { if (table->data_dir_path) {
filepath = os_file_make_remote_pathname( filepath = os_file_make_remote_pathname(
table->data_dir_path, table->data_dir_path,
table->name, "ibd"); table->name, "ibd");
}
} }
/* Try to open the tablespace. We set the /* Try to open the tablespace. We set the
......
storage/innobase/fil/fil0fil.cc
View file @ 5dd0c77e
...@@ -717,16 +717,23 @@ fil_node_open_file( ...@@ -717,16 +717,23 @@ fil_node_open_file(
} }
if (UNIV_UNLIKELY(space->flags != flags)) { if (UNIV_UNLIKELY(space->flags != flags)) {
fprintf(stderr, ulint sflags = (space->flags & ~FSP_FLAGS_MASK_DATA_DIR);
"InnoDB: Error: table flags are 0x%lx" ulint fflags = (flags & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
" in the data dictionary\n"
"InnoDB: but the flags in file %s are 0x%lx!\n",
space->flags, node->name, flags);
ut_error; /* DATA_DIR option is on different place on MariaDB
} compared to MySQL. If this is the difference. Fix
it. */
if (sflags == fflags) {
fprintf(stderr,
"InnoDB: Warning: Table flags 0x%lx"
" in the data dictionary but in file %s are 0x%lx!\n"
" Temporally corrected because DATA_DIR option to 0x%lx.\n",
space->flags, node->name, flags, space->flags);
flags = space->flags;
}
if (UNIV_UNLIKELY(space->flags != flags)) {
if (!dict_tf_verify_flags(space->flags, flags)) { if (!dict_tf_verify_flags(space->flags, flags)) {
fprintf(stderr, fprintf(stderr,
"InnoDB: Error: table flags are 0x%lx" "InnoDB: Error: table flags are 0x%lx"
...@@ -3797,8 +3804,18 @@ fil_open_single_table_tablespace( ...@@ -3797,8 +3804,18 @@ fil_open_single_table_tablespace(
/* Validate this single-table-tablespace with SYS_TABLES, /* Validate this single-table-tablespace with SYS_TABLES,
but do not compare the DATA_DIR flag, in case the but do not compare the DATA_DIR flag, in case the
tablespace was relocated. */ tablespace was relocated. */
ulint newf = def.flags;
if (newf != mod_flags) {
if (FSP_FLAGS_HAS_DATA_DIR(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR);
} else if(FSP_FLAGS_HAS_DATA_DIR_ORACLE(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
}
}
if (def.valid && def.id == id if (def.valid && def.id == id
&& (def.flags & ~FSP_FLAGS_MASK_DATA_DIR) == mod_flags) { && newf == mod_flags) {
valid_tablespaces_found++; valid_tablespaces_found++;
} else { } else {
def.valid = false; def.valid = false;
...@@ -3826,8 +3843,17 @@ fil_open_single_table_tablespace( ...@@ -3826,8 +3843,17 @@ fil_open_single_table_tablespace(
/* Validate this single-table-tablespace with SYS_TABLES, /* Validate this single-table-tablespace with SYS_TABLES,
but do not compare the DATA_DIR flag, in case the but do not compare the DATA_DIR flag, in case the
tablespace was relocated. */ tablespace was relocated. */
ulint newf = remote.flags;
if (newf != mod_flags) {
if (FSP_FLAGS_HAS_DATA_DIR(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR);
} else if(FSP_FLAGS_HAS_DATA_DIR_ORACLE(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
}
}
if (remote.valid && remote.id == id if (remote.valid && remote.id == id
&& (remote.flags & ~FSP_FLAGS_MASK_DATA_DIR) == mod_flags) { && newf == mod_flags) {
valid_tablespaces_found++; valid_tablespaces_found++;
} else { } else {
remote.valid = false; remote.valid = false;
...@@ -3856,8 +3882,17 @@ fil_open_single_table_tablespace( ...@@ -3856,8 +3882,17 @@ fil_open_single_table_tablespace(
/* Validate this single-table-tablespace with SYS_TABLES, /* Validate this single-table-tablespace with SYS_TABLES,
but do not compare the DATA_DIR flag, in case the but do not compare the DATA_DIR flag, in case the
tablespace was relocated. */ tablespace was relocated. */
ulint newf = dict.flags;
if (newf != mod_flags) {
if (FSP_FLAGS_HAS_DATA_DIR(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR);
} else if(FSP_FLAGS_HAS_DATA_DIR_ORACLE(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
}
}
if (dict.valid && dict.id == id if (dict.valid && dict.id == id
&& (dict.flags & ~FSP_FLAGS_MASK_DATA_DIR) == mod_flags) { && newf == mod_flags) {
valid_tablespaces_found++; valid_tablespaces_found++;
} else { } else {
dict.valid = false; dict.valid = false;
......
storage/innobase/include/fsp0fsp.h
View file @ 5dd0c77e
/***************************************************************************** /*****************************************************************************
Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved. Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2013, SkySQL Ab. All Rights Reserved. Copyright (c) 2013, 2016, MariaDB Corporation. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software the terms of the GNU General Public License as published by the Free Software
...@@ -100,6 +100,9 @@ dictionary */ ...@@ -100,6 +100,9 @@ dictionary */
/** Zero relative shift position of the start of the UNUSED bits */ /** Zero relative shift position of the start of the UNUSED bits */
#define FSP_FLAGS_POS_DATA_DIR (FSP_FLAGS_POS_PAGE_SSIZE \ #define FSP_FLAGS_POS_DATA_DIR (FSP_FLAGS_POS_PAGE_SSIZE \
+ FSP_FLAGS_WIDTH_PAGE_SSIZE) + FSP_FLAGS_WIDTH_PAGE_SSIZE)
#define FSP_FLAGS_POS_DATA_DIR_ORACLE (FSP_FLAGS_POS_ATOMIC_BLOBS \
+ FSP_FLAGS_WIDTH_ATOMIC_BLOBS \
+ FSP_FLAGS_WIDTH_PAGE_SSIZE)
/** Zero relative shift position of the start of the UNUSED bits */ /** Zero relative shift position of the start of the UNUSED bits */
#define FSP_FLAGS_POS_UNUSED (FSP_FLAGS_POS_DATA_DIR \ #define FSP_FLAGS_POS_UNUSED (FSP_FLAGS_POS_DATA_DIR \
+ FSP_FLAGS_WIDTH_DATA_DIR) + FSP_FLAGS_WIDTH_DATA_DIR)
...@@ -124,6 +127,10 @@ dictionary */ ...@@ -124,6 +127,10 @@ dictionary */
#define FSP_FLAGS_MASK_DATA_DIR \ #define FSP_FLAGS_MASK_DATA_DIR \
((~(~0 << FSP_FLAGS_WIDTH_DATA_DIR)) \ ((~(~0 << FSP_FLAGS_WIDTH_DATA_DIR)) \
<< FSP_FLAGS_POS_DATA_DIR) << FSP_FLAGS_POS_DATA_DIR)
/** Bit mask of the DATA_DIR field */
#define FSP_FLAGS_MASK_DATA_DIR_ORACLE \
((~(~0 << FSP_FLAGS_WIDTH_DATA_DIR)) \
<< FSP_FLAGS_POS_DATA_DIR_ORACLE)
/** Bit mask of the PAGE_COMPRESSION field */ /** Bit mask of the PAGE_COMPRESSION field */
#define FSP_FLAGS_MASK_PAGE_COMPRESSION \ #define FSP_FLAGS_MASK_PAGE_COMPRESSION \
((~(~0 << FSP_FLAGS_WIDTH_PAGE_COMPRESSION)) \ ((~(~0 << FSP_FLAGS_WIDTH_PAGE_COMPRESSION)) \
...@@ -156,6 +163,9 @@ dictionary */ ...@@ -156,6 +163,9 @@ dictionary */
#define FSP_FLAGS_HAS_DATA_DIR(flags) \ #define FSP_FLAGS_HAS_DATA_DIR(flags) \
((flags & FSP_FLAGS_MASK_DATA_DIR) \ ((flags & FSP_FLAGS_MASK_DATA_DIR) \
>> FSP_FLAGS_POS_DATA_DIR) >> FSP_FLAGS_POS_DATA_DIR)
#define FSP_FLAGS_HAS_DATA_DIR_ORACLE(flags) \
((flags & FSP_FLAGS_MASK_DATA_DIR_ORACLE) \
>> FSP_FLAGS_POS_DATA_DIR_ORACLE)
/** Return the contents of the UNUSED bits */ /** Return the contents of the UNUSED bits */
#define FSP_FLAGS_GET_UNUSED(flags) \ #define FSP_FLAGS_GET_UNUSED(flags) \
(flags >> FSP_FLAGS_POS_UNUSED) (flags >> FSP_FLAGS_POS_UNUSED)
......
storage/xtradb/dict/dict0load.cc
View file @ 5dd0c77e
/***************************************************************************** /*****************************************************************************
Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved. Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2016, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify it under This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software the terms of the GNU General Public License as published by the Free Software
...@@ -2242,8 +2243,9 @@ dict_get_and_save_data_dir_path( ...@@ -2242,8 +2243,9 @@ dict_get_and_save_data_dir_path(
bool dict_mutex_own) /*!< in: true if dict_sys->mutex bool dict_mutex_own) /*!< in: true if dict_sys->mutex
is owned already */ is owned already */
{ {
if (DICT_TF_HAS_DATA_DIR(table->flags) bool is_temp = DICT_TF2_FLAG_IS_SET(table, DICT_TF2_TEMPORARY);
&& (!table->data_dir_path)) {
if (!is_temp && !table->data_dir_path && table->space) {
char* path = fil_space_get_first_path(table->space); char* path = fil_space_get_first_path(table->space);
if (!dict_mutex_own) { if (!dict_mutex_own) {
...@@ -2255,6 +2257,7 @@ dict_get_and_save_data_dir_path( ...@@ -2255,6 +2257,7 @@ dict_get_and_save_data_dir_path(
} }
if (path) { if (path) {
table->flags |= (1 << DICT_TF_POS_DATA_DIR);
dict_save_data_dir_path(table, path); dict_save_data_dir_path(table, path);
mem_free(path); mem_free(path);
} }
...@@ -2395,16 +2398,14 @@ err_exit: ...@@ -2395,16 +2398,14 @@ err_exit:
} }
/* Use the remote filepath if needed. */ /* Use the remote filepath if needed. */
if (DICT_TF_HAS_DATA_DIR(table->flags)) { /* This needs to be added to the table
/* This needs to be added to the table from SYS_DATAFILES */
from SYS_DATAFILES */ dict_get_and_save_data_dir_path(table, true);
dict_get_and_save_data_dir_path(table, true);
if (table->data_dir_path) { if (table->data_dir_path) {
filepath = os_file_make_remote_pathname( filepath = os_file_make_remote_pathname(
table->data_dir_path, table->data_dir_path,
table->name, "ibd"); table->name, "ibd");
}
} }
/* Try to open the tablespace. We set the /* Try to open the tablespace. We set the
......
storage/xtradb/fil/fil0fil.cc
View file @ 5dd0c77e
/***************************************************************************** /*****************************************************************************
Copyright (c) 1995, 2015, Oracle and/or its affiliates. All Rights Reserved. Copyright (c) 1995, 2015, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2013, 2015, MariaDB Corporation. All Rights Reserved. Copyright (c) 2013, 2016, MariaDB Corporation. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software the terms of the GNU General Public License as published by the Free Software
...@@ -719,16 +719,23 @@ fil_node_open_file( ...@@ -719,16 +719,23 @@ fil_node_open_file(
} }
if (UNIV_UNLIKELY(space->flags != flags)) { if (UNIV_UNLIKELY(space->flags != flags)) {
fprintf(stderr, ulint sflags = (space->flags & ~FSP_FLAGS_MASK_DATA_DIR);
"InnoDB: Error: table flags are 0x%lx" ulint fflags = (flags & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
" in the data dictionary\n"
"InnoDB: but the flags in file %s are 0x%lx!\n",
space->flags, node->name, flags);
ut_error; /* DATA_DIR option is on different place on MariaDB
} compared to MySQL. If this is the difference. Fix
it. */
if (sflags == fflags) {
fprintf(stderr,
"InnoDB: Warning: Table flags 0x%lx"
" in the data dictionary but in file %s are 0x%lx!\n"
" Temporally corrected because DATA_DIR option to 0x%lx.\n",
space->flags, node->name, flags, space->flags);
flags = space->flags;
}
if (UNIV_UNLIKELY(space->flags != flags)) {
if (!dict_tf_verify_flags(space->flags, flags)) { if (!dict_tf_verify_flags(space->flags, flags)) {
fprintf(stderr, fprintf(stderr,
"InnoDB: Error: table flags are 0x%lx" "InnoDB: Error: table flags are 0x%lx"
...@@ -3829,8 +3836,18 @@ fil_open_single_table_tablespace( ...@@ -3829,8 +3836,18 @@ fil_open_single_table_tablespace(
/* Validate this single-table-tablespace with SYS_TABLES, /* Validate this single-table-tablespace with SYS_TABLES,
but do not compare the DATA_DIR flag, in case the but do not compare the DATA_DIR flag, in case the
tablespace was relocated. */ tablespace was relocated. */
ulint newf = def.flags;
if (newf != mod_flags) {
if (FSP_FLAGS_HAS_DATA_DIR(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR);
} else if(FSP_FLAGS_HAS_DATA_DIR_ORACLE(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
}
}
if (def.valid && def.id == id if (def.valid && def.id == id
&& (def.flags & ~FSP_FLAGS_MASK_DATA_DIR) == mod_flags) { && newf == mod_flags) {
valid_tablespaces_found++; valid_tablespaces_found++;
} else { } else {
def.valid = false; def.valid = false;
...@@ -3855,8 +3872,17 @@ fil_open_single_table_tablespace( ...@@ -3855,8 +3872,17 @@ fil_open_single_table_tablespace(
/* Validate this single-table-tablespace with SYS_TABLES, /* Validate this single-table-tablespace with SYS_TABLES,
but do not compare the DATA_DIR flag, in case the but do not compare the DATA_DIR flag, in case the
tablespace was relocated. */ tablespace was relocated. */
ulint newf = remote.flags;
if (newf != mod_flags) {
if (FSP_FLAGS_HAS_DATA_DIR(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR);
} else if(FSP_FLAGS_HAS_DATA_DIR_ORACLE(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
}
}
if (remote.valid && remote.id == id if (remote.valid && remote.id == id
&& (remote.flags & ~FSP_FLAGS_MASK_DATA_DIR) == mod_flags) { && newf == mod_flags) {
valid_tablespaces_found++; valid_tablespaces_found++;
} else { } else {
remote.valid = false; remote.valid = false;
...@@ -3882,8 +3908,17 @@ fil_open_single_table_tablespace( ...@@ -3882,8 +3908,17 @@ fil_open_single_table_tablespace(
/* Validate this single-table-tablespace with SYS_TABLES, /* Validate this single-table-tablespace with SYS_TABLES,
but do not compare the DATA_DIR flag, in case the but do not compare the DATA_DIR flag, in case the
tablespace was relocated. */ tablespace was relocated. */
ulint newf = dict.flags;
if (newf != mod_flags) {
if (FSP_FLAGS_HAS_DATA_DIR(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR);
} else if(FSP_FLAGS_HAS_DATA_DIR_ORACLE(newf)) {
newf = (newf & ~FSP_FLAGS_MASK_DATA_DIR_ORACLE);
}
}
if (dict.valid && dict.id == id if (dict.valid && dict.id == id
&& (dict.flags & ~FSP_FLAGS_MASK_DATA_DIR) == mod_flags) { && newf == mod_flags) {
valid_tablespaces_found++; valid_tablespaces_found++;
} else { } else {
dict.valid = false; dict.valid = false;
......
storage/xtradb/include/fsp0fsp.h
View file @ 5dd0c77e
/***************************************************************************** /*****************************************************************************
Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved. Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2013, SkySQL Ab. All Rights Reserved. Copyright (c) 2013, 2016, MariaDB Corporation. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software the terms of the GNU General Public License as published by the Free Software
...@@ -99,6 +99,9 @@ dictionary */ ...@@ -99,6 +99,9 @@ dictionary */
/** Zero relative shift position of the start of the DATA DIR bits */ /** Zero relative shift position of the start of the DATA DIR bits */
#define FSP_FLAGS_POS_DATA_DIR (FSP_FLAGS_POS_PAGE_SSIZE \ #define FSP_FLAGS_POS_DATA_DIR (FSP_FLAGS_POS_PAGE_SSIZE \
+ FSP_FLAGS_WIDTH_PAGE_SSIZE) + FSP_FLAGS_WIDTH_PAGE_SSIZE)
#define FSP_FLAGS_POS_DATA_DIR_ORACLE (FSP_FLAGS_POS_ATOMIC_BLOBS \
+ FSP_FLAGS_WIDTH_ATOMIC_BLOBS \
+ FSP_FLAGS_WIDTH_PAGE_SSIZE)
/** Zero relative shift position of the start of the UNUSED bits */ /** Zero relative shift position of the start of the UNUSED bits */
#define FSP_FLAGS_POS_UNUSED (FSP_FLAGS_POS_DATA_DIR\ #define FSP_FLAGS_POS_UNUSED (FSP_FLAGS_POS_DATA_DIR\
+ FSP_FLAGS_WIDTH_DATA_DIR) + FSP_FLAGS_WIDTH_DATA_DIR)
...@@ -123,6 +126,10 @@ dictionary */ ...@@ -123,6 +126,10 @@ dictionary */
#define FSP_FLAGS_MASK_DATA_DIR \ #define FSP_FLAGS_MASK_DATA_DIR \
((~(~0 << FSP_FLAGS_WIDTH_DATA_DIR)) \ ((~(~0 << FSP_FLAGS_WIDTH_DATA_DIR)) \
<< FSP_FLAGS_POS_DATA_DIR) << FSP_FLAGS_POS_DATA_DIR)
/** Bit mask of the DATA_DIR field */
#define FSP_FLAGS_MASK_DATA_DIR_ORACLE \
((~(~0 << FSP_FLAGS_WIDTH_DATA_DIR)) \
<< FSP_FLAGS_POS_DATA_DIR_ORACLE)
/** Bit mask of the PAGE_COMPRESSION field */ /** Bit mask of the PAGE_COMPRESSION field */
#define FSP_FLAGS_MASK_PAGE_COMPRESSION \ #define FSP_FLAGS_MASK_PAGE_COMPRESSION \
((~(~0 << FSP_FLAGS_WIDTH_PAGE_COMPRESSION)) \ ((~(~0 << FSP_FLAGS_WIDTH_PAGE_COMPRESSION)) \
...@@ -156,6 +163,9 @@ dictionary */ ...@@ -156,6 +163,9 @@ dictionary */
#define FSP_FLAGS_HAS_DATA_DIR(flags) \ #define FSP_FLAGS_HAS_DATA_DIR(flags) \
((flags & FSP_FLAGS_MASK_DATA_DIR) \ ((flags & FSP_FLAGS_MASK_DATA_DIR) \
>> FSP_FLAGS_POS_DATA_DIR) >> FSP_FLAGS_POS_DATA_DIR)
#define FSP_FLAGS_HAS_DATA_DIR_ORACLE(flags) \
((flags & FSP_FLAGS_MASK_DATA_DIR_ORACLE) \
>> FSP_FLAGS_POS_DATA_DIR_ORACLE)
/** Return the contents of the UNUSED bits */ /** Return the contents of the UNUSED bits */
#define FSP_FLAGS_GET_UNUSED(flags) \ #define FSP_FLAGS_GET_UNUSED(flags) \
(flags >> FSP_FLAGS_POS_UNUSED) (flags >> FSP_FLAGS_POS_UNUSED)
......
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