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Commit 60f3cfa1 authored by Magnus Blåudd's avatar Magnus Blåudd
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parents 0907c913 8f8d051d
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Showing with 413 additions and 41 deletions
include/mysql_com.h
View file @ 60f3cfa1
......@@ -114,6 +114,10 @@ enum enum_server_command
#define FIELD_IN_PART_FUNC_FLAG (1 << 19)/* Field part of partition func */
#define FIELD_IN_ADD_INDEX (1<< 20) /* Intern: Field used in ADD INDEX */
#define FIELD_IS_RENAMED (1<< 21) /* Intern: Field is being renamed */
#define FIELD_FLAGS_STORAGE_MEDIA 22 /* Field storage media, bit 22-23,
reserved by MySQL Cluster */
#define FIELD_FLAGS_COLUMN_FORMAT 24 /* Field column format, bit 24-25,
reserved by MySQL Cluster */
#define REFRESH_GRANT 1 /* Refresh grant tables */
#define REFRESH_LOG 2 /* Start on new log file */
......
mysql-test/r/tablespace.result 0 → 100644
View file @ 60f3cfa1
CREATE TABLE t1(a int) TABLESPACE ts ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) TABLESPACE ts STORAGE DISK ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts STORAGE DISK */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) TABLESPACE ts STORAGE MEMORY ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts STORAGE MEMORY */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) STORAGE MEMORY ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 STORAGE MEMORY */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) STORAGE DISK ENGINE=MyISAM;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 STORAGE DISK */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) TABLESPACE ts ENGINE=MyISAM;
ALTER TABLE t1 ADD COLUMN b int;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) TABLESPACE ts STORAGE DISK ENGINE=MyISAM;
ALTER TABLE t1 ADD COLUMN b int;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts STORAGE DISK */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) ENGINE=MyISAM;
ALTER TABLE t1 TABLESPACE ts;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts */ ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 TABLESPACE ts2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts2 */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) ENGINE=MyISAM;
ALTER TABLE t1 STORAGE MEMORY;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 STORAGE MEMORY */ ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 STORAGE DISK;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 STORAGE DISK */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1(a int) ENGINE=MyISAM;
ALTER TABLE t1 STORAGE MEMORY TABLESPACE ts;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts STORAGE MEMORY */ ENGINE=MyISAM DEFAULT CHARSET=latin1
ALTER TABLE t1 STORAGE DISK TABLESPACE ts2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) /*!50100 TABLESPACE ts2 STORAGE DISK */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
`d` int(11) NOT NULL,
`e` int(11) DEFAULT NULL,
`f` int(11) DEFAULT NULL,
`g` int(11) DEFAULT NULL,
`h` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
`k` int(11) DEFAULT NULL,
PRIMARY KEY (`a`)
) /*!50100 TABLESPACE the_tablespacename STORAGE DISK */ ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
mysql-test/t/tablespace.test 0 → 100644
View file @ 60f3cfa1
#
# BUG#60111 storage type for table not saved in .frm
#
#
# Check that the table options for TABLESPACE and STORAGE
# are printed in SHOW CREATE TABLE
#
# TABLESPACE only
CREATE TABLE t1(a int) TABLESPACE ts ENGINE=MyISAM;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# TABLESPACE + STORAGE DISK
CREATE TABLE t1(a int) TABLESPACE ts STORAGE DISK ENGINE=MyISAM;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# TABLESPACE + STORAGE MEMORY
CREATE TABLE t1(a int) TABLESPACE ts STORAGE MEMORY ENGINE=MyISAM;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# STORAGE MEMORY only
CREATE TABLE t1(a int) STORAGE MEMORY ENGINE=MyISAM;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# STORAGE DISK only
CREATE TABLE t1(a int) STORAGE DISK ENGINE=MyISAM;
SHOW CREATE TABLE t1;
DROP TABLE t1;
#
# Check that the table options for TABLESPACE and STORAGE
# are kept in an ALTER
#
# TABLESPACE only
CREATE TABLE t1(a int) TABLESPACE ts ENGINE=MyISAM;
ALTER TABLE t1 ADD COLUMN b int;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# TABLESPACE and STORAGE DISK
CREATE TABLE t1(a int) TABLESPACE ts STORAGE DISK ENGINE=MyISAM;
ALTER TABLE t1 ADD COLUMN b int;
SHOW CREATE TABLE t1;
DROP TABLE t1;
#
# Check that the table options for TABLESPACE and STORAGE
# can be changed with an ALTER
#
# TABLESPACE only
CREATE TABLE t1(a int) ENGINE=MyISAM;
ALTER TABLE t1 TABLESPACE ts;
SHOW CREATE TABLE t1;
ALTER TABLE t1 TABLESPACE ts2;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# STORAGE only
CREATE TABLE t1(a int) ENGINE=MyISAM;
ALTER TABLE t1 STORAGE MEMORY;
SHOW CREATE TABLE t1;
ALTER TABLE t1 STORAGE DISK;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# TABLESPACE and STORAGE
CREATE TABLE t1(a int) ENGINE=MyISAM;
ALTER TABLE t1 STORAGE MEMORY TABLESPACE ts;
SHOW CREATE TABLE t1;
ALTER TABLE t1 STORAGE DISK TABLESPACE ts2;
SHOW CREATE TABLE t1;
DROP TABLE t1;
#
# Check that it's possible to read a .frm fle created
# by MySQL Cluster 7.0(which introduced the new "format
# section) with this statement:
#
# CREATE TABLE cluster_7022_table
# (
# a int primary key,
# b int,
# c int STORAGE DISK,
# d int STORAGE MEMORY NOT NULL,
# e int COLUMN_FORMAT DYNAMIC,
# f int COLUMN_FORMAT FIXED,
# g int COLUMN_FORMAT DEFAULT,
# h int STORAGE DISK COLUMN_FORMAT DYNAMIC NOT NULL,
# i int STORAGE MEMORY COLUMN_FORMAT DYNAMIC,
# j int STORAGE DISK COLUMN_FORMAT FIXED,
# k int STORAGE MEMORY COLUMN_FORMAT FIXED
# ) STORAGE DISK TABLESPACE the_tablespacename ENGINE=MyISAM;
#
# NOTE! The column level properties will not yet show up
# in SHOW CREATE TABLE of MySQL Server(although they are
# visible in .trace file)
#
let $MYSQLD_DATADIR= `SELECT @@datadir`;
copy_file std_data/cluster_7022_table.frm $MYSQLD_DATADIR/test/t1.frm;
copy_file std_data/cluster_7022_table.MYD $MYSQLD_DATADIR/test/t1.MYD;
copy_file std_data/cluster_7022_table.MYI $MYSQLD_DATADIR/test/t1.MYI;
SHOW CREATE TABLE t1;
DROP TABLE t1;
sql/sql_show.cc
View file @ 60f3cfa1
......@@ -1379,17 +1379,24 @@ int store_create_info(THD *thd, TABLE_LIST *table_list, String *packet,
if (!(thd->variables.sql_mode & MODE_NO_TABLE_OPTIONS) && !foreign_db_mode)
{
show_table_options= TRUE;
/*
Get possible table space definitions and append them
to the CREATE TABLE statement
*/
if ((for_str= file->get_tablespace_name(thd,0,0)))
/* TABLESPACE and STORAGE */
if (share->tablespace ||
share->default_storage_media != HA_SM_DEFAULT)
{
packet->append(STRING_WITH_LEN(" /*!50100 TABLESPACE "));
packet->append(for_str, strlen(for_str));
packet->append(STRING_WITH_LEN(" STORAGE DISK */"));
my_free(for_str);
packet->append(STRING_WITH_LEN(" /*!50100"));
if (share->tablespace)
{
packet->append(STRING_WITH_LEN(" TABLESPACE "));
packet->append(share->tablespace, strlen(share->tablespace));
}
if (share->default_storage_media == HA_SM_DISK)
packet->append(STRING_WITH_LEN(" STORAGE DISK"));
if (share->default_storage_media == HA_SM_MEMORY)
packet->append(STRING_WITH_LEN(" STORAGE MEMORY"));
packet->append(STRING_WITH_LEN(" */"));
}
/*
......@@ -5496,12 +5503,9 @@ static void store_schema_partitions_record(THD *thd, TABLE *schema_table,
strlen(part_elem->tablespace_name), cs);
else
{
char *ts= showing_table->file->get_tablespace_name(thd,0,0);
char *ts= showing_table->s->tablespace;
if(ts)
{
table->field[24]->store(ts, strlen(ts), cs);
my_free(ts);
}
else
table->field[24]->set_null();
}
......
sql/sql_table.cc
View file @ 60f3cfa1
......@@ -5281,17 +5281,12 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
if (!(used_fields & HA_CREATE_USED_KEY_BLOCK_SIZE))
create_info->key_block_size= table->s->key_block_size;
if (!create_info->tablespace && create_info->storage_media != HA_SM_MEMORY)
{
char *tablespace= static_cast<char *>(thd->alloc(FN_LEN + 1));
/*
Regular alter table of disk stored table (no tablespace/storage change)
Copy tablespace name
*/
if (tablespace &&
(table->file->get_tablespace_name(thd, tablespace, FN_LEN)))
create_info->tablespace= tablespace;
}
if (!create_info->tablespace)
create_info->tablespace= table->s->tablespace;
if (create_info->storage_media == HA_SM_DEFAULT)
create_info->storage_media= table->s->default_storage_media;
restore_record(table, s->default_values); // Empty record for DEFAULT
Create_field *def;
......
sql/table.cc
View file @ 60f3cfa1
......@@ -750,6 +750,9 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
const char **interval_array;
enum legacy_db_type legacy_db_type;
my_bitmap_map *bitmaps;
uchar *extra_segment_buff= 0;
const uint format_section_header_size= 8;
uchar *format_section_fields= 0;
DBUG_ENTER("open_binary_frm");
new_field_pack_flag= head[27];
......@@ -942,27 +945,27 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
if ((n_length= uint4korr(head+55)))
{
/* Read extra data segment */
uchar *buff, *next_chunk, *buff_end;
uchar *next_chunk, *buff_end;
DBUG_PRINT("info", ("extra segment size is %u bytes", n_length));
if (!(next_chunk= buff= (uchar*) my_malloc(n_length, MYF(MY_WME))))
if (!(extra_segment_buff= (uchar*) my_malloc(n_length, MYF(MY_WME))))
goto err;
if (mysql_file_pread(file, buff, n_length, record_offset + share->reclength,
next_chunk= extra_segment_buff;
if (mysql_file_pread(file, extra_segment_buff,
n_length, record_offset + share->reclength,
MYF(MY_NABP)))
{
my_free(buff);
goto err;
}
share->connect_string.length= uint2korr(buff);
share->connect_string.length= uint2korr(next_chunk);
if (!(share->connect_string.str= strmake_root(&share->mem_root,
(char*) next_chunk + 2,
share->connect_string.
length)))
{
my_free(buff);
goto err;
}
next_chunk+= share->connect_string.length + 2;
buff_end= buff + n_length;
buff_end= extra_segment_buff + n_length;
if (next_chunk + 2 < buff_end)
{
uint str_db_type_length= uint2korr(next_chunk);
......@@ -979,7 +982,6 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
plugin_data(tmp_plugin, handlerton *)))
{
/* bad file, legacy_db_type did not match the name */
my_free(buff);
goto err;
}
/*
......@@ -1009,7 +1011,6 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
error= 8;
my_error(ER_OPTION_PREVENTS_STATEMENT, MYF(0),
"--skip-partition");
my_free(buff);
goto err;
}
plugin_unlock(NULL, share->db_plugin);
......@@ -1025,7 +1026,6 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
error= 8;
name.str[name.length]=0;
my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0), name.str);
my_free(buff);
goto err;
/* purecov: end */
}
......@@ -1042,7 +1042,6 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
memdup_root(&share->mem_root, next_chunk + 4,
partition_info_str_len + 1)))
{
my_free(buff);
goto err;
}
}
......@@ -1050,7 +1049,6 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
if (partition_info_str_len)
{
DBUG_PRINT("info", ("WITH_PARTITION_STORAGE_ENGINE is not defined"));
my_free(buff);
goto err;
}
#endif
......@@ -1088,7 +1086,6 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
{
DBUG_PRINT("error",
("fulltext key uses parser that is not defined in .frm"));
my_free(buff);
goto err;
}
parser_name.str= (char*) next_chunk;
......@@ -1099,7 +1096,6 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
if (! keyinfo->parser)
{
my_error(ER_PLUGIN_IS_NOT_LOADED, MYF(0), parser_name.str);
my_free(buff);
goto err;
}
}
......@@ -1111,19 +1107,68 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
{
DBUG_PRINT("error",
("long table comment is not defined in .frm"));
my_free(buff);
goto err;
}
share->comment.length = uint2korr(next_chunk);
if (! (share->comment.str= strmake_root(&share->mem_root,
(char*)next_chunk + 2, share->comment.length)))
{
my_free(buff);
goto err;
}
next_chunk+= 2 + share->comment.length;
}
my_free(buff);
if (next_chunk + format_section_header_size < buff_end)
{
/*
New extra data segment called "format section" with additional
table and column properties introduced by MySQL Cluster
based on 5.1.20
Table properties:
TABLESPACE <ts> and STORAGE [DISK|MEMORY]
Column properties:
COLUMN_FORMAT [DYNAMIC|FIXED] and STORAGE [DISK|MEMORY]
*/
DBUG_PRINT("info", ("Found format section"));
/* header */
const uint format_section_length= uint2korr(next_chunk);
const uint format_section_flags= uint4korr(next_chunk+2);
/* 2 bytes unused */
if (next_chunk + format_section_length > buff_end)
{
DBUG_PRINT("error", ("format section length too long: %u",
format_section_length));
goto err;
}
DBUG_PRINT("info", ("format_section_length: %u, format_section_flags: %u",
format_section_length, format_section_flags));
share->default_storage_media=
(enum ha_storage_media) (format_section_flags & 0x7);
/* tablespace */
const char *tablespace=
(const char*)next_chunk + format_section_header_size;
const uint tablespace_length= strlen(tablespace);
if (tablespace_length &&
!(share->tablespace= strmake_root(&share->mem_root,
tablespace, tablespace_length+1)))
{
goto err;
}
DBUG_PRINT("info", ("tablespace: '%s'",
share->tablespace ? share->tablespace : "<null>"));
/* pointer to format section for fields */
format_section_fields=
next_chunk + format_section_header_size + tablespace_length + 1;
next_chunk+= format_section_length;
}
}
share->key_block_size= uint2korr(head+62);
......@@ -1438,6 +1483,18 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
error= 8;
goto err;
}
if (format_section_fields)
{
const uchar field_flags= format_section_fields[i];
const uchar field_storage= (field_flags & STORAGE_TYPE_MASK);
const uchar field_column_format=
((field_flags >> COLUMN_FORMAT_SHIFT)& COLUMN_FORMAT_MASK);
DBUG_PRINT("debug", ("field flags: %u, storage: %u, column_format: %u",
field_flags, field_storage, field_column_format));
(void)field_storage; /* Reserved by and used in MySQL Cluster */
(void)field_column_format; /* Reserved by and used in MySQL Cluster */
}
}
*field_ptr=0; // End marker
......@@ -1705,6 +1762,7 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
if (use_hash)
(void) my_hash_check(&share->name_hash);
#endif
my_free(extra_segment_buff);
DBUG_RETURN (0);
err:
......@@ -1712,6 +1770,7 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
share->open_errno= my_errno;
share->errarg= errarg;
my_free(disk_buff);
my_free(extra_segment_buff);
delete crypted;
delete handler_file;
my_hash_free(&share->name_hash);
......@@ -2687,6 +2746,8 @@ void update_create_info_from_table(HA_CREATE_INFO *create_info, TABLE *table)
create_info->default_table_charset= share->table_charset;
create_info->table_charset= 0;
create_info->comment= share->comment;
create_info->storage_media= share->default_storage_media;
create_info->tablespace= share->tablespace;
DBUG_VOID_RETURN;
}
......
sql/table.h
View file @ 60f3cfa1
......@@ -651,6 +651,16 @@ struct TABLE_SHARE
*/
int cached_row_logging_check;
/*
Storage media to use for this table (unless another storage
media has been specified on an individual column - in versions
where that is supported)
*/
enum ha_storage_media default_storage_media;
/* Name of the tablespace used for this table */
char *tablespace;
#ifdef WITH_PARTITION_STORAGE_ENGINE
/* filled in when reading from frm */
bool auto_partitioned;
......
sql/unireg.cc
View file @ 60f3cfa1
......@@ -124,6 +124,9 @@ bool mysql_create_frm(THD *thd, const char *file_name,
#endif
Pack_header_error_handler pack_header_error_handler;
int error;
const uint format_section_header_size= 8;
uint format_section_length;
uint tablespace_length= 0;
DBUG_ENTER("mysql_create_frm");
DBUG_ASSERT(*fn_rext((char*)file_name)); // Check .frm extension
......@@ -256,6 +259,18 @@ bool mysql_create_frm(THD *thd, const char *file_name,
forminfo[46]=(uchar) create_info->comment.length;
}
/*
Add room in extra segment for "format section" with additional
table and column properties
*/
if (create_info->tablespace)
tablespace_length= strlen(create_info->tablespace);
format_section_length=
format_section_header_size +
tablespace_length + 1 +
create_fields.elements;
create_info->extra_size+= format_section_length;
if ((file=create_frm(thd, file_name, db, table, reclength, fileinfo,
create_info, keys, key_info)) < 0)
{
......@@ -353,6 +368,55 @@ bool mysql_create_frm(THD *thd, const char *file_name,
goto err;
}
/* "Format section" with additional table and column properties */
{
uchar *ptr, *format_section_buff;
if (!(format_section_buff=(uchar*) my_malloc(format_section_length,
MYF(MY_WME))))
goto err;
ptr= format_section_buff;
/* header */
const uint format_section_flags=
create_info->storage_media; // 3 bits
const uint format_section_unused= 0;
int2store(ptr+0, format_section_length);
int4store(ptr+2, format_section_flags);
int2store(ptr+6, format_section_unused);
ptr+= format_section_header_size;
/* tablespace name */
if (tablespace_length > 0)
memcpy(ptr, create_info->tablespace, tablespace_length);
ptr+= tablespace_length;
*ptr= 0; /* tablespace string terminating zero */
ptr++;
/* column properties */
Create_field *field;
List_iterator<Create_field> it(create_fields);
while ((field=it++))
{
const uchar field_storage= 0; /* Used in MySQL Cluster */
const uchar field_column_format= 0; /* Used in MySQL Cluster */
const uchar field_flags=
field_storage + (field_column_format << COLUMN_FORMAT_SHIFT);
*ptr= field_flags;
ptr++;
}
DBUG_ASSERT(format_section_buff + format_section_length == ptr);
if (mysql_file_write(file, format_section_buff,
format_section_length, MYF_RW))
{
my_free(format_section_buff);
goto err;
}
DBUG_PRINT("info", ("wrote format section, length: %u",
format_section_length));
my_free(format_section_buff);
}
mysql_file_seek(file, filepos, MY_SEEK_SET, MYF(0));
if (mysql_file_write(file, forminfo, 288, MYF_RW) ||
mysql_file_write(file, screen_buff, info_length, MYF_RW) ||
......
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