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Commit 4faaed98 authored by magnus@neptunus.(none)'s avatar magnus@neptunus.(none)
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Merge fixes

parents 148fc3ca 9e4ba7da
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Showing with 848 additions and 192 deletions
BitKeeper/etc/logging_ok
View file @ 4faaed98
......@@ -93,6 +93,7 @@ kostja@oak.local
lenz@kallisto.mysql.com
lenz@mysql.com
magnus@neptunus.(none)
magnus@shellback.(none)
marko@hundin.mysql.fi
miguel@hegel.(none)
miguel@hegel.br
......
include/my_base.h
View file @ 4faaed98
......@@ -241,6 +241,7 @@ enum ha_base_keytype {
#define HA_CREATE_TMP_TABLE 4
#define HA_CREATE_CHECKSUM 8
#define HA_CREATE_DELAY_KEY_WRITE 64
#define HA_CREATE_FROM_ENGINE 128
/* Bits in flag to _status */
......@@ -287,7 +288,7 @@ enum ha_base_keytype {
#define HA_ERR_ROW_IS_REFERENCED 152 /* Cannot delete a parent row */
#define HA_ERR_NO_SAVEPOINT 153 /* No savepoint with that name */
#define HA_ERR_NON_UNIQUE_BLOCK_SIZE 154 /* Non unique key block size */
#define HA_ERR_OLD_METADATA 155 /* The frm file on disk is old */
#define HA_ERR_NO_SUCH_TABLE 155 /* The table does not exist in engine */
#define HA_ERR_TABLE_EXIST 156 /* The table existed in storage engine */
#define HA_ERR_NO_CONNECTION 157 /* Could not connect to storage engine */
......
mysql-test/mysql-test-run.sh
View file @ 4faaed98
......@@ -520,6 +520,7 @@ if [ x$SOURCE_DIST = x1 ] ; then
CHARSETSDIR="$BASEDIR/sql/share/charsets"
INSTALL_DB="./install_test_db"
MYSQL_FIX_SYSTEM_TABLES="$BASEDIR/scripts/mysql_fix_privilege_tables"
NDB_TOOLS_DIR="$BASEDIR/ndb/tools"
else
if test -x "$BASEDIR/libexec/mysqld"
then
......@@ -539,6 +540,7 @@ else
MYSQL="$CLIENT_BINDIR/mysql"
INSTALL_DB="./install_test_db --bin"
MYSQL_FIX_SYSTEM_TABLES="$CLIENT_BINDIR/mysql_fix_privilege_tables"
NDB_TOOLS_DIR="$CLIENT_BINDIR"
if test -d "$BASEDIR/share/mysql/english"
then
LANGUAGE="$BASEDIR/share/mysql/english/"
......@@ -585,7 +587,8 @@ MYSQL_DUMP="$MYSQL_DUMP --no-defaults -uroot --socket=$MASTER_MYSOCK --password=
MYSQL_BINLOG="$MYSQL_BINLOG --no-defaults --local-load=$MYSQL_TMP_DIR $EXTRA_MYSQLBINLOG_OPT"
MYSQL_FIX_SYSTEM_TABLES="$MYSQL_FIX_SYSTEM_TABLES --no-defaults --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD --basedir=$BASEDIR --bindir=$CLIENT_BINDIR --verbose"
MYSQL="$MYSQL --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD"
export MYSQL MYSQL_DUMP MYSQL_BINLOG MYSQL_FIX_SYSTEM_TABLES CLIENT_BINDIR
export MYSQL MYSQL_DUMP MYSQL_BINLOG MYSQL_FIX_SYSTEM_TABLES CLIENT_BINDIR
export NDB_TOOLS_DIR
MYSQL_TEST_ARGS="--no-defaults --socket=$MASTER_MYSOCK --database=$DB \
--user=$DBUSER --password=$DBPASSWD --silent -v --skip-safemalloc \
......@@ -1595,10 +1598,13 @@ then
fi
./ndb/ndbcluster --port-base=$NDBCLUSTER_PORT $NDBCLUSTER_OPTS --diskless --initial --data-dir=$MYSQL_TEST_DIR/var || exit 1
USE_NDBCLUSTER="$USE_NDBCLUSTER --ndb-connectstring=\"host=localhost:$NDBCLUSTER_PORT\""
NDB_CONNECTSTRING="localhost:$NDBCLUSTER_PORT"
else
USE_NDBCLUSTER="$USE_NDBCLUSTER --ndb-connectstring=\"$USE_RUNNING_NDBCLUSTER\""
NDB_CONNECTSTRING="$USE_RUNNING_NDBCLUSTER"
echo "Using ndbcluster at $USE_NDBCLUSTER"
fi
export NDB_CONNECTSTRING
fi
start_manager
......
mysql-test/r/ndb_autodiscover.result
View file @ 4faaed98
drop table if exists t1,t2,t3,t4,t5,t6,t9;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
flush status;
create table t1(
id int not null primary key,
......@@ -94,8 +94,6 @@ ERROR 42S01: Table 't3' already exists
show status like 'handler_discover%';
Variable_name Value
Handler_discover 1
SHOW TABLES FROM test;
Tables_in_test
create table IF NOT EXISTS t3(
id int not null primary key,
id2 int not null,
......@@ -119,6 +117,162 @@ Variable_name Value
Handler_discover 2
drop table t3;
flush status;
create table t7(
id int not null primary key,
name char(255)
) engine=ndb;
create table t6(
id int not null primary key,
name char(255)
) engine=MyISAM;
insert into t7 values (1, "Explorer");
insert into t6 values (2, "MyISAM table");
select * from t7;
id name
1 Explorer
show status like 'handler_discover%';
Variable_name Value
Handler_discover 0
flush tables;
show tables from test;
Tables_in_test
t6
t7
show status like 'handler_discover%';
Variable_name Value
Handler_discover 1
flush tables;
show table status;
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t6 MyISAM 9 Fixed 1 260 # # # 0 NULL # # NULL # NULL
t7 ndbcluster 9 Fixed 1 0 # # # 0 NULL # # NULL # NULL
show status like 'handler_discover%';
Variable_name Value
Handler_discover 2
drop table t6, t7;
flush status;
create table t4(
id int not null primary key,
name char(27)
) engine=ndb;
insert into t4 values (1, "Automatic");
select * from t4;
id name
1 Automatic
select * from t4;
ERROR 42S02: Table 'test.t4' doesn't exist
select * from t4;
ERROR 42S02: Table 'test.t4' doesn't exist
show status like 'handler_discover%';
Variable_name Value
Handler_discover 0
drop table t4;
flush status;
create table t4(
id int not null primary key,
id2 int,
name char(27)
) engine=ndb;
insert into t4 values (1, 76, "Automatic2");
select * from t4;
id id2 name
1 76 Automatic2
flush tables;
SHOW TABLES;
Tables_in_test
select * from t4;
ERROR 42S02: Table 'test.t4' doesn't exist
flush status;
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=myisam;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
create table t5(id int, d char(56)) engine=ndbcluster;
create table t6(id int) engine=ndbcluster;
create table t7(id int) engine=ndbcluster;
create table t8(id int, e char(34)) engine=myisam;
create table t9(id int) engine=myisam;
insert into t2 values (2, "myisam table 2");
insert into t3 values (3, "ndb table 3");
insert into t5 values (5, "ndb table 5");
insert into t6 values (6);
insert into t8 values (8, "myisam table 8");
insert into t9 values (9);
SHOW TABLES;
Tables_in_test
t1
t2
t4
t8
t9
t7
t6
select * from t6;
id
6
select * from t7;
id
show status like 'handler_discover%';
Variable_name Value
Handler_discover 2
drop table t1, t2, t4, t6, t7, t8, t9;
flush status;
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=myisam;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
create table t5(id int, d char(56)) engine=ndbcluster;
create table t6(id int) engine=ndbcluster;
create table t7(id int) engine=ndbcluster;
create table t8(id int, e char(34)) engine=myisam;
create table t9(id int) engine=myisam;
insert into t2 values (2, "myisam table 2");
insert into t3 values (3, "ndb table 3");
insert into t5 values (5, "ndb table 5");
insert into t6 values (6);
insert into t8 values (8, "myisam table 8");
insert into t9 values (9);
SHOW TABLES LIKE 't6';
Tables_in_test (t6)
t6
show status like 'handler_discover%';
Variable_name Value
Handler_discover 1
create table t3(a int);
ERROR 42S01: Table 't3' already exists
create table t5(a int);
ERROR 42S01: Table 't5' already exists
SHOW TABLES LIKE 't%';
Tables_in_test (t%)
t1
t2
t4
t6
t8
t9
t7
show status like 'handler_discover%';
Variable_name Value
Handler_discover 2
drop table t1, t2, t4, t6, t7, t8, t9;
flush status;
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=ndbcluster;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
insert into t1 values (1);
insert into t2 values (2, "table 2");
insert into t3 values (3, "ndb table 3");
insert into t4 values (4);
flush tables;
select * from t1, t2, t3, t4;
id id b id c id
1 2 table 2 3 ndb table 3 4
show status like 'handler_discover%';
Variable_name Value
Handler_discover 3
drop table t1, t2, t3, t4;
flush status;
show status like 'handler_discover%';
Variable_name Value
Handler_discover 0
......
mysql-test/t/ndb_autodiscover.test
View file @ 4faaed98
-- source include/have_ndb.inc
--disable_warnings
drop table if exists t1,t2,t3,t4,t5,t6,t9;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
--enable_warnings
################################################
......@@ -122,7 +122,6 @@ create table t3(
# IF NOT EXISTS wasn't specified
show status like 'handler_discover%';
SHOW TABLES FROM test;
# now it should be discovered
create table IF NOT EXISTS t3(
......@@ -145,38 +144,226 @@ show status like 'handler_discover%';
drop table t3;
##################################################
# Test that a table that already exists in NDB
# is discovered when SHOW TABLES
# is used
#
flush status;
create table t7(
id int not null primary key,
name char(255)
) engine=ndb;
create table t6(
id int not null primary key,
name char(255)
) engine=MyISAM;
insert into t7 values (1, "Explorer");
insert into t6 values (2, "MyISAM table");
select * from t7;
show status like 'handler_discover%';
# Remove the frm file from disk
flush tables;
system rm var/master-data/test/t7.frm ;
show tables from test;
show status like 'handler_discover%';
# Remove the frm file from disk again
flush tables;
system rm var/master-data/test/t7.frm ;
--replace_column 7 # 8 # 9 # 12 # 13 # 15 #
show table status;
show status like 'handler_discover%';
drop table t6, t7;
#######################################################
# Test that a table that already exists as frm file
# but not in NDB can be deleted from disk.
# Test that a table that has been dropped from NDB
# but still exists on disk, get a consistent error message
# saying "No such table existed"
#
# Manual test
#flush status;
flush status;
create table t4(
id int not null primary key,
name char(27)
) engine=ndb;
insert into t4 values (1, "Automatic");
select * from t4;
# Remove the table from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t4 > /dev/null ;
#
#create table t4(
# id int not null primary key,
# name char(27)
#) engine=ndb;
#insert into t4 values (1, "Automatic");
#select * from t4;
# Test that correct error is returned
--error 1146
select * from t4;
--error 1146
select * from t4;
show status like 'handler_discover%';
drop table t4;
#######################################################
# Test that a table that has been dropped from NDB
# but still exists on disk is deleted from disk
# when SHOW TABLES is called
#
flush status;
create table t4(
id int not null primary key,
id2 int,
name char(27)
) engine=ndb;
insert into t4 values (1, 76, "Automatic2");
select * from t4;
flush tables;
# Remove the table from NDB
#system drop_tab -c "$NDB_CONNECTSTRING2" -d test t4 > /dev/null ;
#system drop_tab -c "host=localhost:2200;nodeid=5" -d test t4 > /dev/null ;
system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t4 > /dev/null ;
SHOW TABLES;
--error 1146
select * from t4;
#######################################################
# Test SHOW TABLES ability to detect new and delete old
# tables. Test all at once using many tables
#
#--error 1296
#select * from t4;
flush status;
# Create tables
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=myisam;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
create table t5(id int, d char(56)) engine=ndbcluster;
create table t6(id int) engine=ndbcluster;
create table t7(id int) engine=ndbcluster;
create table t8(id int, e char(34)) engine=myisam;
create table t9(id int) engine=myisam;
# Populate tables
insert into t2 values (2, "myisam table 2");
insert into t3 values (3, "ndb table 3");
insert into t5 values (5, "ndb table 5");
insert into t6 values (6);
insert into t8 values (8, "myisam table 8");
insert into t9 values (9);
# Remove t3, t5 from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t3 > /dev/null ;
system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t5 > /dev/null ;
# Remove t6, t7 from disk
system rm var/master-data/test/t6.frm > /dev/null ;
system rm var/master-data/test/t7.frm > /dev/null ;
SHOW TABLES;
select * from t6;
select * from t7;
show status like 'handler_discover%';
drop table t1, t2, t4, t6, t7, t8, t9;
#######################################################
# Test SHOW TABLES LIKE ability to detect new and delete old
# tables. Test all at once using many tables.
#
#flush table t4;
#--error 1016
#select * from t4;
flush status;
# Create tables
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=myisam;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
create table t5(id int, d char(56)) engine=ndbcluster;
create table t6(id int) engine=ndbcluster;
create table t7(id int) engine=ndbcluster;
create table t8(id int, e char(34)) engine=myisam;
create table t9(id int) engine=myisam;
# Populate tables
insert into t2 values (2, "myisam table 2");
insert into t3 values (3, "ndb table 3");
insert into t5 values (5, "ndb table 5");
insert into t6 values (6);
insert into t8 values (8, "myisam table 8");
insert into t9 values (9);
# Remove t3, t5 from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t3 > /dev/null ;
system exec $NDB_TOOLS_DIR/ndb_drop_table -d test t5 > /dev/null ;
# Remove t6, t7 from disk
system rm var/master-data/test/t6.frm > /dev/null ;
system rm var/master-data/test/t7.frm > /dev/null ;
SHOW TABLES LIKE 't6';
show status like 'handler_discover%';
# Check that t3 or t5 can't be created
# frm files for these tables is stilll on disk
--error 1050
create table t3(a int);
--error 1050
create table t5(a int);
SHOW TABLES LIKE 't%';
show status like 'handler_discover%';
drop table t1, t2, t4, t6, t7, t8, t9;
######################################################
# Test that several tables can be discovered when
# one statement access several table at once.
#
#show status like 'handler_discover%';
#drop table t4;
#flush tables;
#show tables;
#--error 1146
#select * from t4;
flush status;
# Create tables
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=ndbcluster;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
# Populate tables
insert into t1 values (1);
insert into t2 values (2, "table 2");
insert into t3 values (3, "ndb table 3");
insert into t4 values (4);
# Remove t1, t2, t3 from disk
system rm var/master-data/test/t1.frm > /dev/null ;
system rm var/master-data/test/t2.frm > /dev/null ;
system rm var/master-data/test/t3.frm > /dev/null ;
flush tables;
# Select from the table which only exists in NDB.
select * from t1, t2, t3, t4;
# 3 table should have been discovered
show status like 'handler_discover%';
drop table t1, t2, t3, t4;
#########################################################
......@@ -241,7 +428,6 @@ show status like 'handler_discover%';
drop table t6;
######################################################
# Simple test to show use of discover on startup
# Note! This should always be the last step in this
# file, the table t9 will be used and dropped
# by ndb_autodiscover2
......@@ -259,9 +445,7 @@ system rm var/master-data/test/t9.frm ;
# Now leave test case, when ndb_autodiscover2 will run, this
# MySQL Server will have been restarted because it has a
# ndb_autodiscover2-master.opt file. And thus the table should
# have been discovered by the "discover on startup" function.
# ndb_autodiscover2-master.opt file.
#TODO
#SLECT * FROM t1, t2, t4;
#handler discover 3;
mysql-test/t/ndb_autodiscover2.test
View file @ 4faaed98
-- source include/have_ndb.inc
#
# Simple test to show use of discover on startup
# Simple test to show use of discover when the server has been restarted
# The previous step has simply removed the frm file
# from disk, but left the table in NDB
#
--sleep 3;
select * from t9 order by a;
# handler_discover should be zero
# handler_discover should be 1
show status like 'handler_discover%';
drop table t9;
ndb/include/ndbapi/Ndb.hpp
View file @ 4faaed98
......@@ -1087,8 +1087,6 @@ public:
int waitUntilReady(int timeout = 60);
void connected(Uint32 block_reference);
/** @} *********************************************************************/
/**
......@@ -1447,6 +1445,9 @@ private:
void setup(Ndb_cluster_connection *ndb_cluster_connection,
const char* aCatalogName, const char* aSchemaName);
void connected(Uint32 block_reference);
NdbConnection* startTransactionLocal(Uint32 aPrio, Uint32 aFragmentId);
// Connect the connection object to the Database.
......
ndb/src/ndbapi/NdbDictionaryImpl.cpp
View file @ 4faaed98
......@@ -868,6 +868,8 @@ NdbDictInterface::dictSignal(NdbApiSignal* signal,
const int noerrcodes,
const int temporaryMask)
{
DBUG_ENTER("NdbDictInterface::dictSignal");
DBUG_PRINT("enter", ("useMasterNodeId: %d", useMasterNodeId));
for(Uint32 i = 0; i<RETRIES; i++){
//if (useMasterNodeId == 0)
m_buffer.clear();
......@@ -887,7 +889,7 @@ NdbDictInterface::dictSignal(NdbApiSignal* signal,
if(aNodeId == 0){
m_error.code = 4009;
m_transporter->unlock_mutex();
return -1;
DBUG_RETURN(-1);
}
{
int r;
......@@ -923,7 +925,7 @@ NdbDictInterface::dictSignal(NdbApiSignal* signal,
if(m_waiter.m_state == NO_WAIT && m_error.code == 0){
// Normal return
return 0;
DBUG_RETURN(0);
}
/**
......@@ -946,9 +948,9 @@ NdbDictInterface::dictSignal(NdbApiSignal* signal,
continue;
}
return -1;
DBUG_RETURN(-1);
}
return -1;
DBUG_RETURN(-1);
}
/*****************************************************************
......
ndb/src/ndbapi/TransporterFacade.cpp
View file @ 4faaed98
......@@ -942,6 +942,8 @@ TransporterFacade::isConnected(NodeId aNodeId){
NodeId
TransporterFacade::get_an_alive_node()
{
DBUG_ENTER("TransporterFacade::get_an_alive_node");
DBUG_PRINT("enter", ("theStartNodeId: %d", theStartNodeId));
#ifdef VM_TRACE
const char* p = NdbEnv_GetEnv("NDB_ALIVE_NODE_ID", (char*)0, 0);
if (p != 0 && *p != 0)
......@@ -950,17 +952,19 @@ TransporterFacade::get_an_alive_node()
NodeId i;
for (i = theStartNodeId; i < MAX_NDB_NODES; i++) {
if (get_node_alive(i)){
DBUG_PRINT("info", ("Node %d is alive", i));
theStartNodeId = ((i + 1) % MAX_NDB_NODES);
return i;
DBUG_RETURN(i);
}
}
for (i = 1; i < theStartNodeId; i++) {
if (get_node_alive(i)){
DBUG_PRINT("info", ("Node %d is alive", i));
theStartNodeId = ((i + 1) % MAX_NDB_NODES);
return i;
DBUG_RETURN(i);
}
}
return (NodeId)0;
DBUG_RETURN((NodeId)0);
}
TransporterFacade::ThreadData::ThreadData(Uint32 size){
......
ndb/src/ndbapi/ndb_cluster_connection.cpp
View file @ 4faaed98
......@@ -67,6 +67,9 @@ void Ndb_cluster_connection::connect_thread()
printf("Ndb_cluster_connection::connect_thread error\n");
DBUG_ASSERT(false);
g_run_connect_thread= 0;
} else {
// Wait before making a new connect attempt
NdbSleep_SecSleep(1);
}
} while (g_run_connect_thread);
if (m_connect_callback)
......
sql/discover.cc
View file @ 4faaed98
......@@ -125,47 +125,4 @@ int writefrm(const char *name, const void *frmdata, uint len)
/*
Try to discover table from handler and
if found, write the frm file to disk.
RETURN VALUES:
0 : Table existed in handler and created
on disk if so requested
1 : Table does not exist
>1 : error
*/
int create_table_from_handler(const char *db,
const char *name,
bool create_if_found)
{
int error= 0;
const void* frmblob = NULL;
char path[FN_REFLEN];
uint frmlen = 0;
DBUG_ENTER("create_table_from_handler");
DBUG_PRINT("enter", ("create_if_found: %d", create_if_found));
if (ha_discover(db, name, &frmblob, &frmlen))
DBUG_RETURN(1); // Table does not exist
// Table exists in handler
if (create_if_found)
{
(void)strxnmov(path,FN_REFLEN,mysql_data_home,"/",db,"/",name,NullS);
// Save the frm file
error = writefrm(path, frmblob, frmlen);
}
if (frmblob)
my_free((char*) frmblob,MYF(0));
DBUG_RETURN(error);
}
int table_exists_in_handler(const char *db,
const char *name)
{
return (create_table_from_handler(db, name, false) == 0);
}
sql/ha_ndbcluster.cc
View file @ 4faaed98
This diff is collapsed.
sql/ha_ndbcluster.h
View file @ 4faaed98
......@@ -226,6 +226,8 @@ class ha_ndbcluster: public handler
int ndb_err(NdbConnection*);
bool uses_blob_value(bool all_fields);
int write_ndb_file();
private:
int check_ndb_connection();
......@@ -276,8 +278,11 @@ int ndbcluster_rollback(THD *thd, void* ndb_transaction);
void ndbcluster_close_connection(THD *thd);
int ndbcluster_discover(const char* dbname, const char* name,
int ndbcluster_discover(THD* thd, const char* dbname, const char* name,
const void** frmblob, uint* frmlen);
int ndbcluster_find_files(THD *thd,const char *db,const char *path,
const char *wild, bool dir, List<char> *files);
int ndbcluster_table_exists(THD* thd, const char *db, const char *name);
int ndbcluster_drop_database(const char* path);
void ndbcluster_print_error(int error, const NdbOperation *error_op);
sql/handler.cc
View file @ 4faaed98
......@@ -1119,6 +1119,16 @@ void handler::print_error(int error, myf errflag)
case HA_ERR_NO_REFERENCED_ROW:
textno=ER_NO_REFERENCED_ROW;
break;
case HA_ERR_NO_SUCH_TABLE:
{
char *db;
char buff[FN_REFLEN];
uint length=dirname_part(buff,table->path);
buff[length-1]=0;
db=buff+dirname_length(buff);
my_error(ER_NO_SUCH_TABLE,MYF(0),db,table->table_name);
break;
}
default:
{
/* The error was "unknown" to this function.
......@@ -1265,6 +1275,71 @@ int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
DBUG_RETURN(error != 0);
}
/*
Try to discover table from engine and
if found, write the frm file to disk.
RETURN VALUES:
0 : Table existed in engine and created
on disk if so requested
1 : Table does not exist
>1 : error
*/
int ha_create_table_from_engine(THD* thd,
const char *db,
const char *name,
bool create_if_found)
{
int error= 0;
const void* frmblob = NULL;
uint frmlen = 0;
char path[FN_REFLEN];
HA_CREATE_INFO create_info;
TABLE table;
DBUG_ENTER("ha_create_table_from_engine");
DBUG_PRINT("enter", ("db: %s, name: %s", db, name));
DBUG_PRINT("enter", ("create_if_found: %d", create_if_found));
bzero((char*) &create_info,sizeof(create_info));
if ((error= ha_discover(thd, db, name, &frmblob, &frmlen)))
DBUG_RETURN(error);
// Table exists in handler
if (create_if_found)
{
(void)strxnmov(path,FN_REFLEN,mysql_data_home,"/",db,"/",name,NullS);
// Save the frm file
if ((error = writefrm(path, frmblob, frmlen)))
goto err_end;
if (openfrm(path,"",0,(uint) READ_ALL, 0, &table))
DBUG_RETURN(1);
update_create_info_from_table(&create_info, &table);
create_info.table_options|= HA_CREATE_FROM_ENGINE;
if (lower_case_table_names == 2 &&
!(table.file->table_flags() & HA_FILE_BASED))
{
/* Ensure that handler gets name in lower case */
strmov(path, name);
my_casedn_str(files_charset_info, path);
name= path;
}
error=table.file->create(path,&table,&create_info);
VOID(closefrm(&table));
}
err_end:
if (frmblob)
my_free((char*) frmblob,MYF(0));
DBUG_RETURN(error);
}
static int NEAR_F delete_file(const char *name,const char *ext,int extflag)
{
char buff[FN_REFLEN];
......@@ -1372,15 +1447,15 @@ int ha_change_key_cache(KEY_CACHE *old_key_cache,
Try to discover one table from handler(s)
*/
int ha_discover(const char* dbname, const char* name,
const void** frmblob, uint* frmlen)
int ha_discover(THD* thd, const char* db, const char* name,
const void** frmblob, uint* frmlen)
{
int error= 1; // Table does not exist in any handler
DBUG_ENTER("ha_discover");
DBUG_PRINT("enter", ("db: %s, name: %s", dbname, name));
DBUG_PRINT("enter", ("db: %s, name: %s", db, name));
#ifdef HAVE_NDBCLUSTER_DB
if (have_ndbcluster == SHOW_OPTION_YES)
error= ndbcluster_discover(dbname, name, frmblob, frmlen);
error= ndbcluster_discover(thd, db, name, frmblob, frmlen);
#endif
if (!error)
statistic_increment(ha_discover_count,&LOCK_status);
......@@ -1388,6 +1463,52 @@ int ha_discover(const char* dbname, const char* name,
}
/*
Call this function in order to give the handler the possiblity
to ask engine if there are any new tables that should be written to disk
or any dropped tables that need to be removed from disk
*/
int
ha_find_files(THD *thd,const char *db,const char *path,
const char *wild, bool dir, List<char> *files)
{
int error= 0;
DBUG_ENTER("ha_find_files");
DBUG_PRINT("enter", ("db: %s, path: %s, wild: %s, dir: %d",
db, path, wild, dir));
#ifdef HAVE_NDBCLUSTER_DB
if (have_ndbcluster == SHOW_OPTION_YES)
error= ndbcluster_find_files(thd, db, path, wild, dir, files);
#endif
DBUG_RETURN(error);
}
/*
Ask handler if the table exists in engine
RETURN
0 Table does not exist
1 Table exists
# Error code
*/
int ha_table_exists(THD* thd, const char* db, const char* name)
{
int error= 2;
DBUG_ENTER("ha_table_exists");
DBUG_PRINT("enter", ("db: %s, name: %s", db, name));
#ifdef HAVE_NDBCLUSTER_DB
if (have_ndbcluster == SHOW_OPTION_YES)
error= ndbcluster_table_exists(thd, db, name);
#endif
DBUG_RETURN(error);
}
/*
Read first row between two ranges.
Store ranges for future calls to read_range_next
......
sql/handler.h
View file @ 4faaed98
......@@ -540,6 +540,8 @@ void ha_close_connection(THD* thd);
enum db_type ha_checktype(enum db_type database_type);
int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
bool update_create_info);
int ha_create_table_from_engine(THD* thd, const char *db, const char *name,
bool create_if_found);
int ha_delete_table(enum db_type db_type, const char *path);
void ha_drop_database(char* path);
int ha_init_key_cache(const char *name, KEY_CACHE *key_cache);
......@@ -561,5 +563,10 @@ bool ha_flush_logs(void);
int ha_enable_transaction(THD *thd, bool on);
int ha_change_key_cache(KEY_CACHE *old_key_cache,
KEY_CACHE *new_key_cache);
int ha_discover(const char* dbname, const char* name,
int ha_discover(THD* thd, const char* dbname, const char* name,
const void** frmblob, uint* frmlen);
int ha_find_files(THD *thd,const char *db,const char *path,
const char *wild, bool dir,List<char>* files);
int ha_table_exists(THD* thd, const char* db, const char* name);
sql/mysql_priv.h
View file @ 4faaed98
......@@ -1003,8 +1003,6 @@ int openfrm(const char *name,const char *alias,uint filestat,uint prgflag,
uint ha_open_flags, TABLE *outparam);
int readfrm(const char *name, const void** data, uint* length);
int writefrm(const char* name, const void* data, uint len);
int create_table_from_handler(const char *db, const char *name,
bool create_if_found);
int closefrm(TABLE *table);
db_type get_table_type(const char *name);
int read_string(File file, gptr *to, uint length);
......
sql/sql_base.cc
View file @ 4faaed98
......@@ -1343,7 +1343,7 @@ static int open_unireg_entry(THD *thd, TABLE *entry, const char *db,
*/
if (discover_retry_count++ != 0)
goto err;
if (create_table_from_handler(db, name, true) != 0)
if (ha_create_table_from_engine(thd, db, name, true) != 0)
goto err;
thd->clear_error(); // Clear error message
......
sql/sql_show.cc
View file @ 4faaed98
......@@ -374,6 +374,7 @@ mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
if (wild && !wild[0])
wild=0;
bzero((char*) &table_list,sizeof(table_list));
if (!(dirp = my_dir(path,MYF(MY_WME | (dir ? MY_WANT_STAT : 0)))))
......@@ -445,6 +446,9 @@ mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
}
DBUG_PRINT("info",("found: %d files", files->elements));
my_dirend(dirp);
VOID(ha_find_files(thd,db,path,wild,dir,files));
DBUG_RETURN(0);
}
......
sql/sql_table.cc
View file @ 4faaed98
......@@ -222,7 +222,8 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists,
strxmov(path, mysql_data_home, "/", db, "/", alias, reg_ext, NullS);
(void) unpack_filename(path,path);
}
if (drop_temporary || access(path,F_OK))
if (drop_temporary ||
(access(path,F_OK) && ha_create_table_from_engine(thd,db,alias,true)))
{
if (if_exists)
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
......@@ -1243,8 +1244,8 @@ int mysql_create_table(THD *thd,const char *db, const char *table_name,
{
bool create_if_not_exists =
create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS;
if (!create_table_from_handler(db, table_name,
create_if_not_exists))
if (!ha_create_table_from_engine(thd, db, table_name,
create_if_not_exists))
{
DBUG_PRINT("info", ("Table already existed in handler"));
......
sql/table.cc
View file @ 4faaed98
......@@ -705,6 +705,14 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
outparam->crashed=((err == HA_ERR_CRASHED_ON_USAGE) &&
outparam->file->auto_repair() &&
!(ha_open_flags & HA_OPEN_FOR_REPAIR));
if (err==HA_ERR_NO_SUCH_TABLE)
{
/* The table did not exists in storage engine, use same error message
as if the .frm file didn't exist */
error= 1;
my_errno= ENOENT;
}
goto err_not_open; /* purecov: inspected */
}
}
......
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