Merge mysql-next-mr to mysql-next-mr-svoj.

mysql-test/r/csv.result

@@ -5407,4 +5407,60 @@ test.t1	repair	status	OK
 select * from t1 limit 1;
 a
 drop table t1;
+#
+# Test for the following cases
+# 1) integers and strings enclosed in quotes
+# 2) integers and strings not enclosed in quotes
+# 3) \X  characters with quotes
+# 4) \X  characters outside quotes
+#
+CREATE TABLE t1(c1 INT NOT NULL, c2 VARCHAR(50) NOT NULL) ENGINE=csv;
+# remove the already existing .CSV file if any
+# create the .CSV file that contains the hard-coded data used in
+# testing
+1,"integer sans quotes"
+1,string sans quotes
+1,quotes"in between" strings 
+"1",Integer with quote and string with no quote
+1,"escape sequence \n \" \\ \r \a within quotes"
+1,escape sequence \n \" \\ \r \a without quotes
+# select from the table in which the data has been filled in using
+# the hard-coded .CSV file
+SELECT * FROM t1;
+c1	c2
+1	integer sans quotes
+1	string sans quotes
+1	quotes"in between" strings 
+1	Integer with quote and string with no quote
+1	escape sequence 
+ " \ 
 \a within quotes
+1	escape sequence 
+ " \ 
 \a without quotes
+DROP TABLE t1;
+# Test for the case when a field begins with a quote, but does not end in a
+# quote.
+# Note: This results in an error.
+CREATE TABLE t1(c1 INT NOT NULL, c2 VARCHAR(50) NOT NULL) ENGINE=csv;
+# remove the already existing .CSV file if any
+# create the .CSV file that contains the hard-coded data used in
+# testing
+1,"string only at the beginning quotes
+# select from the table in which the data has been filled in using
+# the hard-coded .CSV file
+SELECT * FROM t1;
+ERROR HY000: Table 't1' is marked as crashed and should be repaired
+DROP TABLE t1;
+# Test for the case when a field ends with a quote, but does not begin in a
+# quote.
+# Note: This results in an error.
+CREATE TABLE t1(c1 INT NOT NULL, c2 VARCHAR(50) NOT NULL) ENGINE=csv;
+# remove the already existing .CSV file if any
+# create the .CSV file that contains the hard-coded data used in
+# testing
+1,string with only ending quotes"
+# select from the table in which the data has been filled in using
+# the hard-coded .CSV file
+SELECT * FROM t1;
+ERROR HY000: Table 't1' is marked as crashed and should be repaired
+DROP TABLE t1;
 End of 5.1 tests

mysql-test/r/information_schema.result

@@ -65,6 +65,7 @@ SESSION_STATUS
 SESSION_VARIABLES
 STATISTICS
 TABLES
+TABLESPACES
 TABLE_CONSTRAINTS
 TABLE_PRIVILEGES
 TRIGGERS
@@ -103,6 +104,7 @@ inner join information_schema.TABLES v2 on (v1.c=v2.table_name)
 where v1.c like "t%";
 c	table_name
 TABLES	TABLES
+TABLESPACES	TABLESPACES
 TABLE_CONSTRAINTS	TABLE_CONSTRAINTS
 TABLE_PRIVILEGES	TABLE_PRIVILEGES
 TRIGGERS	TRIGGERS
@@ -122,6 +124,7 @@ left join information_schema.TABLES v2 on (v1.c=v2.table_name)
 where v1.c like "t%";
 c	table_name
 TABLES	TABLES
+TABLESPACES	TABLESPACES
 TABLE_CONSTRAINTS	TABLE_CONSTRAINTS
 TABLE_PRIVILEGES	TABLE_PRIVILEGES
 TRIGGERS	TRIGGERS
@@ -141,6 +144,7 @@ right join information_schema.TABLES v2 on (v1.c=v2.table_name)
 where v1.c like "t%";
 c	table_name
 TABLES	TABLES
+TABLESPACES	TABLESPACES
 TABLE_CONSTRAINTS	TABLE_CONSTRAINTS
 TABLE_PRIVILEGES	TABLE_PRIVILEGES
 TRIGGERS	TRIGGERS
@@ -628,6 +632,7 @@ COLLATIONS	SYSTEM VIEW	MEMORY
 show tables from information_schema like "T%";
 Tables_in_information_schema (T%)
 TABLES
+TABLESPACES
 TABLE_CONSTRAINTS
 TABLE_PRIVILEGES
 TRIGGERS
@@ -637,6 +642,7 @@ use information_schema;
 show full tables like "T%";
 Tables_in_information_schema (T%)	Table_type
 TABLES	SYSTEM VIEW
+TABLESPACES	SYSTEM VIEW
 TABLE_CONSTRAINTS	SYSTEM VIEW
 TABLE_PRIVILEGES	SYSTEM VIEW
 TRIGGERS	SYSTEM VIEW
@@ -649,6 +655,7 @@ use information_schema;
 show tables like "T%";
 Tables_in_information_schema (T%)
 TABLES
+TABLESPACES
 TABLE_CONSTRAINTS
 TABLE_PRIVILEGES
 TRIGGERS
@@ -855,7 +862,7 @@ table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest')
 AND table_name not like 'ndb%' AND table_name not like 'innodb_%'
 GROUP BY TABLE_SCHEMA;
 table_schema	count(*)
-information_schema	28
+information_schema	29
 mysql	22
 create table t1 (i int, j int);
 create trigger trg1 before insert on t1 for each row
@@ -1317,6 +1324,7 @@ SESSION_STATUS	information_schema.SESSION_STATUS	1
 SESSION_VARIABLES	information_schema.SESSION_VARIABLES	1
 STATISTICS	information_schema.STATISTICS	1
 TABLES	information_schema.TABLES	1
+TABLESPACES	information_schema.TABLESPACES	1
 TABLE_CONSTRAINTS	information_schema.TABLE_CONSTRAINTS	1
 TABLE_PRIVILEGES	information_schema.TABLE_PRIVILEGES	1
 TRIGGERS	information_schema.TRIGGERS	1

mysql-test/r/information_schema_db.result

@@ -28,6 +28,7 @@ SESSION_STATUS
 SESSION_VARIABLES
 STATISTICS
 TABLES
+TABLESPACES
 TABLE_CONSTRAINTS
 TABLE_PRIVILEGES
 TRIGGERS
@@ -36,6 +37,7 @@ VIEWS
 show tables from INFORMATION_SCHEMA like 'T%';
 Tables_in_information_schema (T%)
 TABLES
+TABLESPACES
 TABLE_CONSTRAINTS
 TABLE_PRIVILEGES
 TRIGGERS

mysql-test/r/myisam_crash_before_flush_keys.result

@@ -3,6 +3,8 @@
 #
 # Don't test this under valgrind, memory leaks will occur
 # Binary must be compiled with debug for crash to occur
+call mtr.add_suppression("Got an error from thread_id=.*ha_myisam.cc:");
+call mtr.add_suppression("MySQL thread id .*, query id .* localhost.*root Checking table");
 SET GLOBAL delay_key_write=ALL;
 CREATE TABLE t1(a INT, 
 b INT, 

mysql-test/r/mysqlshow.result

@@ -102,6 +102,7 @@ Database: information_schema
 | SESSION_VARIABLES                     |
 | STATISTICS                            |
 | TABLES                                |
+| TABLESPACES                           |
 | TABLE_CONSTRAINTS                     |
 | TABLE_PRIVILEGES                      |
 | TRIGGERS                              |
@@ -142,6 +143,7 @@ Database: INFORMATION_SCHEMA
 | SESSION_VARIABLES                     |
 | STATISTICS                            |
 | TABLES                                |
+| TABLESPACES                           |
 | TABLE_CONSTRAINTS                     |
 | TABLE_PRIVILEGES                      |
 | TRIGGERS                              |

mysql-test/suite/funcs_1/r/is_columns_is.result

@@ -252,6 +252,15 @@ def	information_schema	TABLES	TABLE_SCHEMA	2		NO	varchar	64	192	NULL	NULL	utf8	u
 def	information_schema	TABLES	TABLE_TYPE	4		NO	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select	
 def	information_schema	TABLES	UPDATE_TIME	16	NULL	YES	datetime	NULL	NULL	NULL	NULL	NULL	NULL	datetime			select	
 def	information_schema	TABLES	VERSION	6	NULL	YES	bigint	NULL	NULL	19	0	NULL	NULL	bigint(21) unsigned			select	
+def	information_schema	TABLESPACES	AUTOEXTEND_SIZE	6	NULL	YES	bigint	NULL	NULL	19	0	NULL	NULL	bigint(21) unsigned			select	
+def	information_schema	TABLESPACES	ENGINE	2		NO	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select	
+def	information_schema	TABLESPACES	EXTENT_SIZE	5	NULL	YES	bigint	NULL	NULL	19	0	NULL	NULL	bigint(21) unsigned			select	
+def	information_schema	TABLESPACES	LOGFILE_GROUP_NAME	4	NULL	YES	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select	
+def	information_schema	TABLESPACES	MAXIMUM_SIZE	7	NULL	YES	bigint	NULL	NULL	19	0	NULL	NULL	bigint(21) unsigned			select	
+def	information_schema	TABLESPACES	NODEGROUP_ID	8	NULL	YES	bigint	NULL	NULL	19	0	NULL	NULL	bigint(21) unsigned			select	
+def	information_schema	TABLESPACES	TABLESPACE_COMMENT	9	NULL	YES	varchar	2048	6144	NULL	NULL	utf8	utf8_general_ci	varchar(2048)			select	
+def	information_schema	TABLESPACES	TABLESPACE_NAME	1		NO	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select	
+def	information_schema	TABLESPACES	TABLESPACE_TYPE	3	NULL	YES	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select	
 def	information_schema	TABLE_CONSTRAINTS	CONSTRAINT_CATALOG	1		NO	varchar	512	1536	NULL	NULL	utf8	utf8_general_ci	varchar(512)			select	
 def	information_schema	TABLE_CONSTRAINTS	CONSTRAINT_NAME	3		NO	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select	
 def	information_schema	TABLE_CONSTRAINTS	CONSTRAINT_SCHEMA	2		NO	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select	
@@ -607,6 +616,15 @@ NULL	information_schema	TABLES	CHECK_TIME	datetime	NULL	NULL	NULL	NULL	datetime
 NULL	information_schema	TABLES	CHECKSUM	bigint	NULL	NULL	NULL	NULL	bigint(21) unsigned
 3.0000	information_schema	TABLES	CREATE_OPTIONS	varchar	255	765	utf8	utf8_general_ci	varchar(255)
 3.0000	information_schema	TABLES	TABLE_COMMENT	varchar	80	240	utf8	utf8_general_ci	varchar(80)
+3.0000	information_schema	TABLESPACES	TABLESPACE_NAME	varchar	64	192	utf8	utf8_general_ci	varchar(64)
+3.0000	information_schema	TABLESPACES	ENGINE	varchar	64	192	utf8	utf8_general_ci	varchar(64)
+3.0000	information_schema	TABLESPACES	TABLESPACE_TYPE	varchar	64	192	utf8	utf8_general_ci	varchar(64)
+3.0000	information_schema	TABLESPACES	LOGFILE_GROUP_NAME	varchar	64	192	utf8	utf8_general_ci	varchar(64)
+NULL	information_schema	TABLESPACES	EXTENT_SIZE	bigint	NULL	NULL	NULL	NULL	bigint(21) unsigned
+NULL	information_schema	TABLESPACES	AUTOEXTEND_SIZE	bigint	NULL	NULL	NULL	NULL	bigint(21) unsigned
+NULL	information_schema	TABLESPACES	MAXIMUM_SIZE	bigint	NULL	NULL	NULL	NULL	bigint(21) unsigned
+NULL	information_schema	TABLESPACES	NODEGROUP_ID	bigint	NULL	NULL	NULL	NULL	bigint(21) unsigned
+3.0000	information_schema	TABLESPACES	TABLESPACE_COMMENT	varchar	2048	6144	utf8	utf8_general_ci	varchar(2048)
 3.0000	information_schema	TABLE_CONSTRAINTS	CONSTRAINT_CATALOG	varchar	512	1536	utf8	utf8_general_ci	varchar(512)
 3.0000	information_schema	TABLE_CONSTRAINTS	CONSTRAINT_SCHEMA	varchar	64	192	utf8	utf8_general_ci	varchar(64)
 3.0000	information_schema	TABLE_CONSTRAINTS	CONSTRAINT_NAME	varchar	64	192	utf8	utf8_general_ci	varchar(64)

mysql-test/suite/funcs_1/r/is_tables_is.result

@@ -521,6 +521,29 @@ user_comment
 Separator	-----------------------------------------------------
 TABLE_CATALOG	def
 TABLE_SCHEMA	information_schema
+TABLE_NAME	TABLESPACES
+TABLE_TYPE	SYSTEM VIEW
+ENGINE	MEMORY
+VERSION	10
+ROW_FORMAT	Fixed
+TABLE_ROWS	#TBLR#
+AVG_ROW_LENGTH	#ARL#
+DATA_LENGTH	#DL#
+MAX_DATA_LENGTH	#MDL#
+INDEX_LENGTH	#IL#
+DATA_FREE	#DF#
+AUTO_INCREMENT	NULL
+CREATE_TIME	#CRT#
+UPDATE_TIME	#UT#
+CHECK_TIME	#CT#
+TABLE_COLLATION	utf8_general_ci
+CHECKSUM	NULL
+CREATE_OPTIONS	#CO#
+TABLE_COMMENT	#TC#
+user_comment	
+Separator	-----------------------------------------------------
+TABLE_CATALOG	def
+TABLE_SCHEMA	information_schema
 TABLE_NAME	TABLE_CONSTRAINTS
 TABLE_TYPE	SYSTEM VIEW
 ENGINE	MEMORY
@@ -1159,6 +1182,29 @@ user_comment
 Separator	-----------------------------------------------------
 TABLE_CATALOG	def
 TABLE_SCHEMA	information_schema
+TABLE_NAME	TABLESPACES
+TABLE_TYPE	SYSTEM VIEW
+ENGINE	MEMORY
+VERSION	10
+ROW_FORMAT	Fixed
+TABLE_ROWS	#TBLR#
+AVG_ROW_LENGTH	#ARL#
+DATA_LENGTH	#DL#
+MAX_DATA_LENGTH	#MDL#
+INDEX_LENGTH	#IL#
+DATA_FREE	#DF#
+AUTO_INCREMENT	NULL
+CREATE_TIME	#CRT#
+UPDATE_TIME	#UT#
+CHECK_TIME	#CT#
+TABLE_COLLATION	utf8_general_ci
+CHECKSUM	NULL
+CREATE_OPTIONS	#CO#
+TABLE_COMMENT	#TC#
+user_comment	
+Separator	-----------------------------------------------------
+TABLE_CATALOG	def
+TABLE_SCHEMA	information_schema
 TABLE_NAME	TABLE_CONSTRAINTS
 TABLE_TYPE	SYSTEM VIEW
 ENGINE	MEMORY

mysql-test/suite/parts/t/partition_repair_myisam.test

@@ -3,6 +3,8 @@
 --disable_warnings
 --disable_query_log
 drop table if exists t1_will_crash;
+call mtr.add_suppression("Got an error from thread_id=.*ha_myisam.cc:");
+call mtr.add_suppression("MySQL thread id .*, query id .* localhost.*root Checking table");
 --enable_query_log
 --enable_warnings
 

mysql-test/t/csv.test

@@ -1819,4 +1819,84 @@ repair table t1;
 select * from t1 limit 1;
 drop table t1;
 
+#
+# Bug #40814 CSV engine does not parse \X characters when they occur in unquoted fields
+#
+
+--echo #
+--echo # Test for the following cases
+--echo # 1) integers and strings enclosed in quotes
+--echo # 2) integers and strings not enclosed in quotes
+--echo # 3) \X  characters with quotes
+--echo # 4) \X  characters outside quotes
+--echo #
+
+CREATE TABLE t1(c1 INT NOT NULL, c2 VARCHAR(50) NOT NULL) ENGINE=csv;
+
+--echo # remove the already existing .CSV file if any
+--remove_file $MYSQLD_DATADIR/test/t1.CSV
+
+--echo # create the .CSV file that contains the hard-coded data used in
+--echo # testing
+--write_file $MYSQLD_DATADIR/test/t1.CSV
+1,"integer sans quotes"
+1,string sans quotes
+1,quotes"in between" strings 
+"1",Integer with quote and string with no quote
+1,"escape sequence \n \" \\ \r \a within quotes"
+1,escape sequence \n \" \\ \r \a without quotes
+EOF
+--cat_file $MYSQLD_DATADIR/test/t1.CSV
+
+--echo # select from the table in which the data has been filled in using
+--echo # the hard-coded .CSV file
+SELECT * FROM t1;
+
+DROP TABLE t1; 
+
+--echo # Test for the case when a field begins with a quote, but does not end in a
+--echo # quote.
+--echo # Note: This results in an error.
+
+CREATE TABLE t1(c1 INT NOT NULL, c2 VARCHAR(50) NOT NULL) ENGINE=csv;
+
+--echo # remove the already existing .CSV file if any
+--remove_file $MYSQLD_DATADIR/test/t1.CSV
+
+--echo # create the .CSV file that contains the hard-coded data used in
+--echo # testing
+--write_file $MYSQLD_DATADIR/test/t1.CSV
+1,"string only at the beginning quotes
+EOF
+--cat_file $MYSQLD_DATADIR/test/t1.CSV
+
+--echo # select from the table in which the data has been filled in using
+--echo # the hard-coded .CSV file
+--error ER_CRASHED_ON_USAGE
+SELECT * FROM t1;
+
+DROP TABLE t1;
+
+--echo # Test for the case when a field ends with a quote, but does not begin in a
+--echo # quote.
+--echo # Note: This results in an error.
+
+CREATE TABLE t1(c1 INT NOT NULL, c2 VARCHAR(50) NOT NULL) ENGINE=csv;
+
+--echo # remove the already existing .CSV file if any
+--remove_file $MYSQLD_DATADIR/test/t1.CSV
+
+--echo # create the .CSV file that contains the hard-coded data used in
+--echo # testing
+--write_file $MYSQLD_DATADIR/test/t1.CSV
+1,string with only ending quotes"
+EOF
+--cat_file $MYSQLD_DATADIR/test/t1.CSV
+
+--echo # select from the table in which the data has been filled in using
+--echo # the hard-coded .CSV file
+--error ER_CRASHED_ON_USAGE
+SELECT * FROM t1;
+
+DROP TABLE t1;
 --echo End of 5.1 tests

mysql-test/t/myisam_crash_before_flush_keys.test

@@ -8,6 +8,9 @@
 --echo # Binary must be compiled with debug for crash to occur
 --source include/have_debug.inc
 
+call mtr.add_suppression("Got an error from thread_id=.*ha_myisam.cc:");
+call mtr.add_suppression("MySQL thread id .*, query id .* localhost.*root Checking table");
+
 let $MYSQLD_DATADIR= `select @@datadir`;
 SET GLOBAL delay_key_write=ALL;
 CREATE TABLE t1(a INT, 

sql/ha_ndbcluster.cc

@@ -94,6 +94,11 @@ static bool ndbcluster_show_status(handlerton *hton, THD*,
 static int ndbcluster_alter_tablespace(handlerton *hton,
                                        THD* thd, 
                                        st_alter_tablespace *info);
+static int ndbcluster_fill_is_table(handlerton *hton,
+                                    THD *thd, 
+                                    TABLE_LIST *tables, 
+                                    COND *cond,
+                                    enum enum_schema_tables);
 static int ndbcluster_fill_files_table(handlerton *hton,
                                        THD *thd, 
                                        TABLE_LIST *tables, 
@@ -7403,7 +7408,7 @@ static int ndbcluster_init(void *p)
     h->alter_tablespace= ndbcluster_alter_tablespace;    /* Show status */
     h->partition_flags=  ndbcluster_partition_flags; /* Partition flags */
     h->alter_table_flags=ndbcluster_alter_table_flags; /* Alter table flags */
-    h->fill_files_table= ndbcluster_fill_files_table;
+    h->fill_is_table=    ndbcluster_fill_is_table;
 #ifdef HAVE_NDB_BINLOG
     ndbcluster_binlog_init_handlerton();
 #endif
@@ -7539,6 +7544,34 @@ static int ndbcluster_init(void *p)
   DBUG_RETURN(TRUE);
 }
 
+/**
+   Used to fill in INFORMATION_SCHEMA* tables.
+   
+   @param hton handle to the handlerton structure
+   @param thd the thread/connection descriptor
+   @param[in,out] tables the information schema table that is filled up
+   @param cond used for conditional pushdown to storage engine
+   @param schema_table_idx the table id that distinguishes the type of table
+   
+   @return Operation status
+ */
+static int ndbcluster_fill_is_table(handlerton *hton,
+                                      THD *thd,
+                                      TABLE_LIST *tables,
+                                      COND *cond,
+                                      enum enum_schema_tables schema_table_idx)
+{
+  int ret= 0;
+  
+  if (schema_table_idx == SCH_FILES)
+  {
+    ret= ndbcluster_fill_files_table(hton, thd, tables, cond);
+  }
+  
+  return ret;
+}
+
+
 static int ndbcluster_end(handlerton *hton, ha_panic_function type)
 {
   DBUG_ENTER("ndbcluster_end");

sql/handler.h

@@ -125,6 +125,29 @@
 */
 #define HA_BINLOG_ROW_CAPABLE  (LL(1) << 34)
 #define HA_BINLOG_STMT_CAPABLE (LL(1) << 35)
+/*
+    When a multiple key conflict happens in a REPLACE command mysql
+    expects the conflicts to be reported in the ascending order of
+    key names.
+
+    For e.g.
+
+    CREATE TABLE t1 (a INT, UNIQUE (a), b INT NOT NULL, UNIQUE (b), c INT NOT
+                     NULL, INDEX(c));
+
+    REPLACE INTO t1 VALUES (1,1,1),(2,2,2),(2,1,3);
+
+    MySQL expects the conflict with 'a' to be reported before the conflict with
+    'b'.
+
+    If the underlying storage engine does not report the conflicting keys in
+    ascending order, it causes unexpected errors when the REPLACE command is
+    executed.
+
+    This flag helps the underlying SE to inform the server that the keys are not
+    ordered.
+*/
+#define HA_DUPLICATE_KEY_NOT_IN_ORDER    (LL(1) << 36)
 
 /*
   Set of all binlog flags. Currently only contain the capabilities
@@ -513,6 +536,47 @@ class st_alter_tablespace : public Sql_alloc
 /* The handler for a table type.  Will be included in the TABLE structure */
 
 struct TABLE;
+
+/*
+  Make sure that the order of schema_tables and enum_schema_tables are the same.
+*/
+enum enum_schema_tables
+{
+  SCH_CHARSETS= 0,
+  SCH_COLLATIONS,
+  SCH_COLLATION_CHARACTER_SET_APPLICABILITY,
+  SCH_COLUMNS,
+  SCH_COLUMN_PRIVILEGES,
+  SCH_ENGINES,
+  SCH_EVENTS,
+  SCH_FILES,
+  SCH_GLOBAL_STATUS,
+  SCH_GLOBAL_VARIABLES,
+  SCH_KEY_COLUMN_USAGE,
+  SCH_OPEN_TABLES,
+  SCH_PARTITIONS,
+  SCH_PLUGINS,
+  SCH_PROCESSLIST,
+  SCH_PROFILES,
+  SCH_REFERENTIAL_CONSTRAINTS,
+  SCH_PROCEDURES,
+  SCH_SCHEMATA,
+  SCH_SCHEMA_PRIVILEGES,
+  SCH_SESSION_STATUS,
+  SCH_SESSION_VARIABLES,
+  SCH_STATISTICS,
+  SCH_STATUS,
+  SCH_TABLES,
+  SCH_TABLESPACES,
+  SCH_TABLE_CONSTRAINTS,
+  SCH_TABLE_NAMES,
+  SCH_TABLE_PRIVILEGES,
+  SCH_TRIGGERS,
+  SCH_USER_PRIVILEGES,
+  SCH_VARIABLES,
+  SCH_VIEWS
+};
+
 struct TABLE_SHARE;
 struct st_foreign_key_info;
 typedef struct st_foreign_key_info FOREIGN_KEY_INFO;
@@ -677,9 +741,9 @@ struct handlerton
    uint (*partition_flags)();
    uint (*alter_table_flags)(uint flags);
    int (*alter_tablespace)(handlerton *hton, THD *thd, st_alter_tablespace *ts_info);
-   int (*fill_files_table)(handlerton *hton, THD *thd,
-                           TABLE_LIST *tables,
-                           class Item *cond);
+   int (*fill_is_table)(handlerton *hton, THD *thd, TABLE_LIST *tables, 
+                        class Item *cond, 
+                        enum enum_schema_tables);
    uint32 flags;                                /* global handler flags */
    /*
       Those handlerton functions below are properly initialized at handler

sql/mysql_priv.h

@@ -2472,6 +2472,17 @@ inline void kill_delayed_threads(void) {}
 #define IS_FILES_CHECKSUM            35
 #define IS_FILES_STATUS              36
 #define IS_FILES_EXTRA               37
+
+#define IS_TABLESPACES_TABLESPACE_NAME    0
+#define IS_TABLESPACES_ENGINE             1
+#define IS_TABLESPACES_TABLESPACE_TYPE    2
+#define IS_TABLESPACES_LOGFILE_GROUP_NAME 3
+#define IS_TABLESPACES_EXTENT_SIZE        4
+#define IS_TABLESPACES_AUTOEXTEND_SIZE    5
+#define IS_TABLESPACES_MAXIMUM_SIZE       6
+#define IS_TABLESPACES_NODEGROUP_ID       7
+#define IS_TABLESPACES_TABLESPACE_COMMENT 8
+
 void init_fill_schema_files_row(TABLE* table);
 bool schema_table_store_record(THD *thd, TABLE *table);
 

sql/sql_insert.cc

@@ -1322,6 +1322,23 @@ bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
 
 static int last_uniq_key(TABLE *table,uint keynr)
 {
+  /*
+    When an underlying storage engine informs that the unique key
+    conflicts are not reported in the ascending order by setting
+    the HA_DUPLICATE_KEY_NOT_IN_ORDER flag, we cannot rely on this
+    information to determine the last key conflict.
+   
+    The information about the last key conflict will be used to
+    do a replace of the new row on the conflicting row, rather
+    than doing a delete (of old row) + insert (of new row).
+   
+    Hence check for this flag and disable replacing the last row
+    by returning 0 always. Returning 0 will result in doing
+    a delete + insert always.
+  */
+  if (table->file->ha_table_flags() & HA_DUPLICATE_KEY_NOT_IN_ORDER)
+    return 0;
+
   while (++keynr < table->s->keys)
     if (table->key_info[keynr].flags & HA_NOSAME)
       return 0;

sql/sql_show.cc

@@ -6221,32 +6221,33 @@ bool get_schema_tables_result(JOIN *join,
   DBUG_RETURN(result);
 }
 
-struct run_hton_fill_schema_files_args
+struct run_hton_fill_schema_table_args
 {
   TABLE_LIST *tables;
   COND *cond;
 };
 
-static my_bool run_hton_fill_schema_files(THD *thd, plugin_ref plugin,
+static my_bool run_hton_fill_schema_table(THD *thd, plugin_ref plugin,
                                           void *arg)
 {
-  struct run_hton_fill_schema_files_args *args=
-    (run_hton_fill_schema_files_args *) arg;
+  struct run_hton_fill_schema_table_args *args=
+    (run_hton_fill_schema_table_args *) arg;
   handlerton *hton= plugin_data(plugin, handlerton *);
-  if(hton->fill_files_table && hton->state == SHOW_OPTION_YES)
-    hton->fill_files_table(hton, thd, args->tables, args->cond);
+  if (hton->fill_is_table && hton->state == SHOW_OPTION_YES)
+      hton->fill_is_table(hton, thd, args->tables, args->cond,
+            get_schema_table_idx(args->tables->schema_table));
   return false;
 }
 
-int fill_schema_files(THD *thd, TABLE_LIST *tables, COND *cond)
+int hton_fill_schema_table(THD *thd, TABLE_LIST *tables, COND *cond)
 {
-  DBUG_ENTER("fill_schema_files");
+  DBUG_ENTER("hton_fill_schema_table");
 
-  struct run_hton_fill_schema_files_args args;
+  struct run_hton_fill_schema_table_args args;
   args.tables= tables;
   args.cond= cond;
 
-  plugin_foreach(thd, run_hton_fill_schema_files,
+  plugin_foreach(thd, run_hton_fill_schema_table,
                  MYSQL_STORAGE_ENGINE_PLUGIN, &args);
 
   DBUG_RETURN(0);
@@ -6828,6 +6829,29 @@ ST_FIELD_INFO referential_constraints_fields_info[]=
 };
 
 
+ST_FIELD_INFO tablespaces_fields_info[]=
+{
+  {"TABLESPACE_NAME", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0,
+   SKIP_OPEN_TABLE},
+  {"ENGINE", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0, SKIP_OPEN_TABLE},
+  {"TABLESPACE_TYPE", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL,
+   0, SKIP_OPEN_TABLE},
+  {"LOGFILE_GROUP_NAME", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL,
+   0, SKIP_OPEN_TABLE},
+  {"EXTENT_SIZE", 21, MYSQL_TYPE_LONGLONG, 0,
+   MY_I_S_MAYBE_NULL | MY_I_S_UNSIGNED, 0, SKIP_OPEN_TABLE},
+  {"AUTOEXTEND_SIZE", 21, MYSQL_TYPE_LONGLONG, 0,
+   MY_I_S_MAYBE_NULL | MY_I_S_UNSIGNED, 0, SKIP_OPEN_TABLE},
+  {"MAXIMUM_SIZE", 21, MYSQL_TYPE_LONGLONG, 0,
+   MY_I_S_MAYBE_NULL | MY_I_S_UNSIGNED, 0, SKIP_OPEN_TABLE},
+  {"NODEGROUP_ID", 21, MYSQL_TYPE_LONGLONG, 0,
+   MY_I_S_MAYBE_NULL | MY_I_S_UNSIGNED, 0, SKIP_OPEN_TABLE},
+  {"TABLESPACE_COMMENT", 2048, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0,
+   SKIP_OPEN_TABLE},
+  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0, SKIP_OPEN_TABLE}
+};
+
+
 /*
   Description of ST_FIELD_INFO in table.h
 
@@ -6858,7 +6882,7 @@ ST_SCHEMA_TABLE schema_tables[]=
    0, make_old_format, 0, -1, -1, 0, 0},
 #endif
   {"FILES", files_fields_info, create_schema_table,
-   fill_schema_files, 0, 0, -1, -1, 0, 0},
+   hton_fill_schema_table, 0, 0, -1, -1, 0, 0},
   {"GLOBAL_STATUS", variables_fields_info, create_schema_table,
    fill_status, make_old_format, 0, 0, -1, 0, 0},
   {"GLOBAL_VARIABLES", variables_fields_info, create_schema_table,
@@ -6899,6 +6923,8 @@ ST_SCHEMA_TABLE schema_tables[]=
   {"TABLES", tables_fields_info, create_schema_table, 
    get_all_tables, make_old_format, get_schema_tables_record, 1, 2, 0,
    OPTIMIZE_I_S_TABLE},
+  {"TABLESPACES", tablespaces_fields_info, create_schema_table,
+   hton_fill_schema_table, 0, 0, -1, -1, 0, 0},
   {"TABLE_CONSTRAINTS", table_constraints_fields_info, create_schema_table,
    get_all_tables, 0, get_schema_constraints_record, 3, 4, 0,
    OPTIMIZE_I_S_TABLE|OPEN_TABLE_ONLY},

sql/table.h

@@ -878,47 +878,6 @@ typedef struct st_foreign_key_info
   List<LEX_STRING> referenced_fields;
 } FOREIGN_KEY_INFO;
 
-/*
-  Make sure that the order of schema_tables and enum_schema_tables are the same.
-*/
-
-enum enum_schema_tables
-{
-  SCH_CHARSETS= 0,
-  SCH_COLLATIONS,
-  SCH_COLLATION_CHARACTER_SET_APPLICABILITY,
-  SCH_COLUMNS,
-  SCH_COLUMN_PRIVILEGES,
-  SCH_ENGINES,
-  SCH_EVENTS,
-  SCH_FILES,
-  SCH_GLOBAL_STATUS,
-  SCH_GLOBAL_VARIABLES,
-  SCH_KEY_COLUMN_USAGE,
-  SCH_OPEN_TABLES,
-  SCH_PARTITIONS,
-  SCH_PLUGINS,
-  SCH_PROCESSLIST,
-  SCH_PROFILES,
-  SCH_REFERENTIAL_CONSTRAINTS,
-  SCH_PROCEDURES,
-  SCH_SCHEMATA,
-  SCH_SCHEMA_PRIVILEGES,
-  SCH_SESSION_STATUS,
-  SCH_SESSION_VARIABLES,
-  SCH_STATISTICS,
-  SCH_STATUS,
-  SCH_TABLES,
-  SCH_TABLE_CONSTRAINTS,
-  SCH_TABLE_NAMES,
-  SCH_TABLE_PRIVILEGES,
-  SCH_TRIGGERS,
-  SCH_USER_PRIVILEGES,
-  SCH_VARIABLES,
-  SCH_VIEWS
-};
-
-
 #define MY_I_S_MAYBE_NULL 1
 #define MY_I_S_UNSIGNED   2
 

storage/csv/ha_tina.cc

@@ -660,6 +660,33 @@ int ha_tina::find_current_row(uchar *buf)
 
   memset(buf, 0, table->s->null_bytes);
 
+  /*
+    Parse the line obtained using the following algorithm
+   
+    BEGIN
+      1) Store the EOL (end of line) for the current row
+      2) Until all the fields in the current query have not been 
+         filled
+         2.1) If the current character is a quote
+              2.1.1) Until EOL has not been reached
+                     a) If end of current field is reached, move
+                        to next field and jump to step 2.3
+                     b) If current character is a \\ handle
+                        \\n, \\r, \\, \\"
+                     c) else append the current character into the buffer
+                        before checking that EOL has not been reached.
+          2.2) If the current character does not begin with a quote
+               2.2.1) Until EOL has not been reached
+                      a) If the end of field has been reached move to the
+                         next field and jump to step 2.3
+                      b) If current character begins with \\ handle
+                        \\n, \\r, \\, \\"
+                      c) else append the current character into the buffer
+                         before checking that EOL has not been reached.
+          2.3) Store the current field value and jump to 2)
+    TERMINATE
+  */  
+
   for (Field **field=table->field ; *field ; field++)
   {
     char curr_char;
@@ -668,19 +695,23 @@ int ha_tina::find_current_row(uchar *buf)
     if (curr_offset >= end_offset)
       goto err;
     curr_char= file_buff->get_value(curr_offset);
+    /* Handle the case where the first character is a quote */
     if (curr_char == '"')
     {
-      curr_offset++; // Incrementpast the first quote
+      /* Increment past the first quote */
+      curr_offset++;
 
-      for(; curr_offset < end_offset; curr_offset++)
+      /* Loop through the row to extract the values for the current field */
+      for ( ; curr_offset < end_offset; curr_offset++)
       {
         curr_char= file_buff->get_value(curr_offset);
-        // Need to convert line feeds!
+        /* check for end of the current field */
         if (curr_char == '"' &&
             (curr_offset == end_offset - 1 ||
              file_buff->get_value(curr_offset + 1) == ','))
         {
-          curr_offset+= 2; // Move past the , and the "
+          /* Move past the , and the " */
+          curr_offset+= 2;
           break;
         }
         if (curr_char == '\\' && curr_offset != (end_offset - 1))
@@ -702,7 +733,7 @@ int ha_tina::find_current_row(uchar *buf)
         else // ordinary symbol
         {
           /*
-            We are at final symbol and no last quote was found =>
+            If we are at final symbol and no last quote was found =>
             we are working with a damaged file.
           */
           if (curr_offset == end_offset - 1)
@@ -713,15 +744,41 @@ int ha_tina::find_current_row(uchar *buf)
     }
     else 
     {
-      for(; curr_offset < end_offset; curr_offset++)
+      for ( ; curr_offset < end_offset; curr_offset++)
       {
         curr_char= file_buff->get_value(curr_offset);
+        /* Move past the ,*/
         if (curr_char == ',')
         {
-          curr_offset++;       // Skip the ,
+          curr_offset++;
           break;
         }
-        buffer.append(curr_char);
+        if (curr_char == '\\' && curr_offset != (end_offset - 1))
+        {
+          curr_offset++;
+          curr_char= file_buff->get_value(curr_offset);
+          if (curr_char == 'r')
+            buffer.append('\r');
+          else if (curr_char == 'n' )
+            buffer.append('\n');
+          else if (curr_char == '\\' || curr_char == '"')
+            buffer.append(curr_char);
+          else  /* This could only happed with an externally created file */
+          {
+            buffer.append('\\');
+            buffer.append(curr_char);
+          }
+        }
+        else
+        {
+          /*
+             We are at the final symbol and a quote was found for the
+             unquoted field => We are working with a damaged field.
+          */
+          if (curr_offset == end_offset - 1 && curr_char == '"')
+            goto err;
+          buffer.append(curr_char);
+        }
       }
     }
 

storage/myisam/CMakeLists.txt

@@ -26,7 +26,8 @@ SET(MYISAM_SOURCES  ft_boolean_search.c ft_nlq_search.c ft_parser.c ft_static.c
 				mi_rfirst.c mi_rlast.c mi_rnext.c mi_rnext_same.c mi_rprev.c mi_rrnd.c
 				mi_rsame.c mi_rsamepos.c mi_scan.c mi_search.c mi_static.c mi_statrec.c
 				mi_unique.c mi_update.c mi_write.c rt_index.c rt_key.c rt_mbr.c
-				rt_split.c sort.c sp_key.c ft_eval.h myisamdef.h rt_index.h mi_rkey.c)
+				rt_split.c sort.c sp_key.c ft_eval.h mi_extrafunc.h myisamdef.h
+				rt_index.h mi_rkey.c)
 
 MYSQL_STORAGE_ENGINE(MYISAM)
 

storage/myisam/Makefile.am

@@ -50,7 +50,7 @@ myisampack_LDADD=		@CLIENT_EXTRA_LDFLAGS@ libmyisam.a \
 noinst_PROGRAMS =	mi_test1 mi_test2 mi_test3 rt_test sp_test #ft_test1 ft_eval
 noinst_HEADERS =	myisamdef.h rt_index.h rt_key.h rt_mbr.h sp_defs.h \
 			fulltext.h ftdefs.h ft_test1.h ft_eval.h \
-			ha_myisam.h
+			ha_myisam.h mi_extrafunc.h
 mi_test1_DEPENDENCIES=	$(LIBRARIES)
 mi_test1_LDADD=		@CLIENT_EXTRA_LDFLAGS@ libmyisam.a \
 			$(top_builddir)/mysys/libmysys.a \

storage/myisam/ha_myisam.cc

@@ -539,6 +539,45 @@ void mi_check_print_warning(MI_CHECK *param, const char *fmt,...)
   va_end(args);
 }
 
+
+/**
+  Report list of threads (and queries) accessing a table, thread_id of a
+  thread that detected corruption, ource file name and line number where
+  this corruption was detected, optional extra information (string).
+
+  This function is intended to be used when table corruption is detected.
+
+  @param[in] file      MI_INFO object.
+  @param[in] message   Optional error message.
+  @param[in] sfile     Name of source file.
+  @param[in] sline     Line number in source file.
+
+  @return void
+*/
+
+void _mi_report_crashed(MI_INFO *file, const char *message,
+                        const char *sfile, uint sline)
+{
+  THD *cur_thd;
+  LIST *element;
+  char buf[1024];
+  pthread_mutex_lock(&file->s->intern_lock);
+  if ((cur_thd= (THD*) file->in_use.data))
+    sql_print_error("Got an error from thread_id=%lu, %s:%d", cur_thd->thread_id,
+                    sfile, sline);
+  else
+    sql_print_error("Got an error from unknown thread, %s:%d", sfile, sline);
+  if (message)
+    sql_print_error("%s", message);
+  for (element= file->s->in_use; element; element= list_rest(element))
+  {
+    THD *thd= (THD*) element->data;
+    sql_print_error("%s", thd ? thd_security_context(thd, buf, sizeof(buf), 0)
+                              : "Unknown thread accessing table");
+  }
+  pthread_mutex_unlock(&file->s->intern_lock);
+}
+
 }
 
 
@@ -1703,6 +1742,7 @@ int ha_myisam::delete_table(const char *name)
 
 int ha_myisam::external_lock(THD *thd, int lock_type)
 {
+  file->in_use.data= thd;
   return mi_lock_database(file, !table->s->tmp_table ?
 			  lock_type : ((lock_type == F_UNLCK) ?
 				       F_UNLCK : F_EXTRA_LCK));

storage/myisam/mi_extrafunc.h

+/* Copyright (C) 2000-2006 MySQL AB
+
+   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 Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+void _mi_report_crashed(MI_INFO *file __attribute__((unused)),
+                        const char *message __attribute__((unused)),
+                        const char *sfile __attribute__((unused)),
+                        uint sline __attribute__((unused)))
+{
+}

storage/myisam/mi_locking.c

@@ -45,6 +45,7 @@ int mi_lock_database(MI_INFO *info, int lock_type)
     ++share->w_locks;
     ++share->tot_locks;
     info->lock_type= lock_type;
+    info->s->in_use= list_add(info->s->in_use, &info->in_use);
     DBUG_RETURN(0);
   }
 
@@ -136,6 +137,7 @@ int mi_lock_database(MI_INFO *info, int lock_type)
       }
       info->opt_flag&= ~(READ_CACHE_USED | WRITE_CACHE_USED);
       info->lock_type= F_UNLCK;
+      info->s->in_use= list_delete(info->s->in_use, &info->in_use);
       break;
     case F_RDLCK:
       if (info->lock_type == F_WRLCK)
@@ -182,6 +184,7 @@ int mi_lock_database(MI_INFO *info, int lock_type)
       share->r_locks++;
       share->tot_locks++;
       info->lock_type=lock_type;
+      info->s->in_use= list_add(info->s->in_use, &info->in_use);
       break;
     case F_WRLCK:
       if (info->lock_type == F_RDLCK)
@@ -231,6 +234,7 @@ int mi_lock_database(MI_INFO *info, int lock_type)
       info->invalidator=info->s->invalidator;
       share->w_locks++;
       share->tot_locks++;
+      info->s->in_use= list_add(info->s->in_use, &info->in_use);
       break;
     default:
       break;				/* Impossible */

storage/myisam/mi_test1.c

@@ -679,3 +679,5 @@ static void usage()
   my_print_help(my_long_options);
   my_print_variables(my_long_options);
 }
+
+#include "mi_extrafunc.h"

storage/myisam/mi_test2.c

@@ -1055,3 +1055,5 @@ static void copy_key(MI_INFO *info,uint inx,uchar *rec,uchar *key_buff)
   }
   return;
 }
+
+#include "mi_extrafunc.h"

storage/myisam/mi_test3.c

@@ -488,6 +488,8 @@ int test_update(MI_INFO *file,int id,int lock_type)
   return 0;
 }
 
+#include "mi_extrafunc.h"
+
 #else /* __NETWARE__ */
 
 #include <stdio.h>

storage/myisam/myisam_ftdump.c

@@ -274,3 +274,5 @@ static void complain(int val) /* Kinda assert :-)  */
     exit(1);
   }
 }
+
+#include "mi_extrafunc.h"

storage/myisam/myisamchk.c

@@ -1815,3 +1815,5 @@ void mi_check_print_error(MI_CHECK *param, const char *fmt,...)
   va_end(args);
   DBUG_VOID_RETURN;
 }
+
+#include "mi_extrafunc.h"

storage/myisam/myisamdef.h

@@ -166,6 +166,7 @@ typedef struct st_mi_isam_share {	/* Shared between opens */
   MI_COLUMNDEF *rec;			/* Pointer to field information */
   MI_PACK    pack;			/* Data about packed records */
   MI_BLOB    *blobs;			/* Pointer to blobs */
+  LIST *in_use;                         /* List of threads using this table */
   char  *unique_file_name;		/* realpath() of index file */
   char  *data_file_name,		/* Resolved path names from symlinks */
         *index_file_name;
@@ -243,6 +244,7 @@ struct st_myisam_info {
   DYNAMIC_ARRAY *ft1_to_ft2;            /* used only in ft1->ft2 conversion */
   MEM_ROOT      ft_memroot;             /* used by the parser               */
   MYSQL_FTPARSER_PARAM *ftparser_param; /* share info between init/deinit   */
+  LIST in_use;                          /* Thread using this table          */
   char *filename;			/* parameter to open filename       */
   uchar *buff,				/* Temp area for key                */
 	*lastkey,*lastkey2;		/* Last used search key             */
@@ -386,8 +388,10 @@ typedef struct st_mi_sort_param
 #define mi_putint(x,y,nod) { uint16 boh=(nod ? (uint16) 32768 : 0) + (uint16) (y);\
 			  mi_int2store(x,boh); }
 #define mi_test_if_nod(x) (x[0] & 128 ? info->s->base.key_reflength : 0)
+#define mi_report_crashed(A, B) _mi_report_crashed((A), (B), __FILE__, __LINE__)
 #define mi_mark_crashed(x) do{(x)->s->state.changed|= STATE_CRASHED; \
                               DBUG_PRINT("error", ("Marked table crashed")); \
+                              mi_report_crashed((x), 0); \
                            }while(0)
 #define mi_mark_crashed_on_repair(x) do{(x)->s->state.changed|= \
                                         STATE_CRASHED|STATE_CRASHED_ON_REPAIR; \
@@ -765,6 +769,8 @@ int mi_open_keyfile(MYISAM_SHARE *share);
 void mi_setup_functions(register MYISAM_SHARE *share);
 my_bool mi_dynmap_file(MI_INFO *info, my_off_t size);
 void mi_remap_file(MI_INFO *info, my_off_t size);
+void _mi_report_crashed(MI_INFO *file, const char *message,
+                        const char *sfile, uint sline);
 
     /* Functions needed by mi_check */
 volatile int *killed_ptr(MI_CHECK *param);

storage/myisam/myisamlog.c

@@ -845,3 +845,5 @@ static my_bool cmp_filename(struct file_info *file_info, char * name)
     return 1;
   return strcmp(file_info->name,name) ? 1 : 0;
 }
+
+#include "mi_extrafunc.h"

storage/myisam/myisampack.c

@@ -3245,4 +3245,4 @@ static int fakecmp(my_off_t **count1, my_off_t **count2)
 }
 #endif
 
-
+#include "mi_extrafunc.h"

storage/myisam/rt_test.c

@@ -468,3 +468,5 @@ int main(int argc __attribute__((unused)),char *argv[] __attribute__((unused)))
   exit(0);
 }
 #endif /*HAVE_RTREE_KEYS*/
+
+#include "mi_extrafunc.h"

storage/myisam/sp_test.c

@@ -562,3 +562,4 @@ int main(int argc __attribute__((unused)),char *argv[] __attribute__((unused)))
 }
 #endif /*HAVE_SPATIAL*/
 
+#include "mi_extrafunc.h"

storage/myisammrg/ha_myisammrg.cc

@@ -1009,7 +1009,10 @@ int ha_myisammrg::extra_opt(enum ha_extra_function operation, ulong cache_size)
 
 int ha_myisammrg::external_lock(THD *thd, int lock_type)
 {
+  MYRG_TABLE *tmp;
   DBUG_ASSERT(this->file->children_attached);
+  for (tmp= file->open_tables; tmp != file->end_table; tmp++)
+    tmp->table->in_use.data= thd;
   return myrg_lock_database(file,lock_type);
 }