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Merge synthia.local:/home/mydev/mysql-5.0-axmrg

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into  synthia.local:/home/mydev/mysql-5.1-axmrg
This commit is contained in:
istruewing@synthia.local
2007-06-30 13:17:49 +02:00
parent e091ce28bf c54bce13b3
commit bc3e18cd39
9 changed files with 549 additions and 148 deletions
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7
include/my_base.h
View File

@ -180,7 +180,12 @@ enum ha_extra_function {
These flags are reset by the handler::extra(HA_EXTRA_RESET) call.
*/
HA_EXTRA_DELETE_CANNOT_BATCH,
HA_EXTRA_UPDATE_CANNOT_BATCH
HA_EXTRA_UPDATE_CANNOT_BATCH,
/*
Inform handler that an "INSERT...ON DUPLICATE KEY UPDATE" will be
executed. This condition is unset by HA_EXTRA_NO_IGNORE_DUP_KEY.
*/
HA_EXTRA_INSERT_WITH_UPDATE
};
/* The following is parameter to ha_panic() */

39
mysql-test/r/federated.result
View File

@ -1843,6 +1843,45 @@ C3A4C3B6C3BCC39F
D18DD184D184D0B5D0BAD182D0B8D0B2D0BDD183D18E
drop table federated.t1;
drop table federated.t1;
create table federated.t1 (a int primary key, b varchar(64))
DEFAULT CHARSET=utf8;
create table federated.t1 (a int primary key, b varchar(64))
ENGINE=FEDERATED
connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1'
DEFAULT CHARSET=utf8;
insert ignore into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
select * from federated.t1;
a b
1 Larry
2 Curly
truncate federated.t1;
replace into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
select * from federated.t1;
a b
1 Moe
2 Curly
update ignore federated.t1 set a=a+1;
select * from federated.t1;
a b
1 Moe
3 Curly
drop table federated.t1;
drop table federated.t1;
create table federated.t1 (a int primary key, b varchar(64))
DEFAULT CHARSET=utf8;
create table federated.t1 (a int primary key, b varchar(64))
ENGINE=FEDERATED
connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1'
DEFAULT CHARSET=utf8;
insert into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe")
on duplicate key update a=a+100;
ERROR 23000: Can't write; duplicate key in table 't1'
select * from federated.t1;
a b
1 Larry
2 Curly
drop table federated.t1;
drop table federated.t1;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;
DROP TABLE IF EXISTS federated.t1;

34
mysql-test/r/federated_innodb.result Normal file
View File

@ -0,0 +1,34 @@
stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
stop slave;
DROP DATABASE IF EXISTS federated;
CREATE DATABASE federated;
DROP DATABASE IF EXISTS federated;
CREATE DATABASE federated;
create table federated.t1 (a int primary key, b varchar(64))
engine=myisam;
create table federated.t1 (a int primary key, b varchar(64))
engine=federated
connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1';
insert into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
ERROR 23000: Can't write; duplicate key in table 't1'
select * from federated.t1;
a b
1 Larry
2 Curly
truncate federated.t1;
alter table federated.t1 engine=innodb;
insert into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
ERROR 23000: Can't write; duplicate key in table 't1'
select * from federated.t1;
a b
drop table federated.t1;
drop table federated.t1;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;

53
mysql-test/t/federated.test
View File

@ -1630,4 +1630,57 @@ connection slave;
drop table federated.t1;
#
# BUG#21019 Federated Engine does not support REPLACE/INSERT IGNORE/UPDATE IGNORE
#
connection slave;
create table federated.t1 (a int primary key, b varchar(64))
DEFAULT CHARSET=utf8;
connection master;
--replace_result $SLAVE_MYPORT SLAVE_PORT
eval create table federated.t1 (a int primary key, b varchar(64))
ENGINE=FEDERATED
connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/t1'
DEFAULT CHARSET=utf8;
insert ignore into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
select * from federated.t1;
truncate federated.t1;
replace into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
select * from federated.t1;
update ignore federated.t1 set a=a+1;
select * from federated.t1;
drop table federated.t1;
connection slave;
drop table federated.t1;
#
# BUG#25511 Federated Insert failures.
#
# When the user performs a INSERT...ON DUPLICATE KEY UPDATE, we want
# it to fail if a duplicate key exists instead of ignoring it.
#
connection slave;
create table federated.t1 (a int primary key, b varchar(64))
DEFAULT CHARSET=utf8;
connection master;
--replace_result $SLAVE_MYPORT SLAVE_PORT
eval create table federated.t1 (a int primary key, b varchar(64))
ENGINE=FEDERATED
connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/t1'
DEFAULT CHARSET=utf8;
--error ER_DUP_KEY
insert into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe")
on duplicate key update a=a+100;
select * from federated.t1;
drop table federated.t1;
connection slave;
drop table federated.t1;
source include/federated_cleanup.inc;

1
mysql-test/t/federated_innodb-slave.opt Normal file
View File

@ -0,0 +1 @@
--innodb

34
mysql-test/t/federated_innodb.test Normal file
View File

@ -0,0 +1,34 @@
source include/federated.inc;
source include/have_innodb.inc;
#
# Bug#25513 Federated transaction failures
#
connection slave;
create table federated.t1 (a int primary key, b varchar(64))
engine=myisam;
connection master;
--replace_result $SLAVE_MYPORT SLAVE_PORT
eval create table federated.t1 (a int primary key, b varchar(64))
engine=federated
connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/t1';
--error ER_DUP_KEY
insert into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
select * from federated.t1;
connection slave;
truncate federated.t1;
alter table federated.t1 engine=innodb;
connection master;
--error ER_DUP_KEY
insert into federated.t1 values (1,"Larry"), (2,"Curly"), (1,"Moe");
select * from federated.t1;
drop table federated.t1;
connection slave;
drop table federated.t1;
source include/federated_cleanup.inc;

8
sql/sql_insert.cc
View File

@ -695,6 +695,8 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
if (duplic == DUP_REPLACE &&
(!table->triggers || !table->triggers->has_delete_triggers()))
table->file->extra(HA_EXTRA_WRITE_CAN_REPLACE);
if (duplic == DUP_UPDATE)
table->file->extra(HA_EXTRA_INSERT_WITH_UPDATE);
/*
let's *try* to start bulk inserts. It won't necessary
start them as values_list.elements should be greater than
@ -2538,6 +2540,8 @@ bool Delayed_insert::handle_inserts(void)
table->file->extra(HA_EXTRA_WRITE_CAN_REPLACE);
using_opt_replace= 1;
}
if (info.handle_duplicates == DUP_UPDATE)
table->file->extra(HA_EXTRA_INSERT_WITH_UPDATE);
thd.clear_error(); // reset error for binlog
if (write_record(&thd, table, &info))
{
@ -2882,6 +2886,8 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
if (info.handle_duplicates == DUP_REPLACE &&
(!table->triggers || !table->triggers->has_delete_triggers()))
table->file->extra(HA_EXTRA_WRITE_CAN_REPLACE);
if (info.handle_duplicates == DUP_UPDATE)
table->file->extra(HA_EXTRA_INSERT_WITH_UPDATE);
thd->no_trans_update.stmt= FALSE;
thd->abort_on_warning= (!info.ignore &&
(thd->variables.sql_mode &
@ -3469,6 +3475,8 @@ select_create::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
if (info.handle_duplicates == DUP_REPLACE &&
(!table->triggers || !table->triggers->has_delete_triggers()))
table->file->extra(HA_EXTRA_WRITE_CAN_REPLACE);
if (info.handle_duplicates == DUP_UPDATE)
table->file->extra(HA_EXTRA_INSERT_WITH_UPDATE);
if (!thd->prelocked_mode)
table->file->ha_start_bulk_insert((ha_rows) 0);
thd->no_trans_update.stmt= FALSE;

498
storage/federated/ha_federated.cc
View File

@ -388,6 +388,11 @@
/* Variables for federated share methods */
static HASH federated_open_tables; // To track open tables
pthread_mutex_t federated_mutex; // To init the hash
static char ident_quote_char= '`'; // Character for quoting
// identifiers
static char value_quote_char= '\''; // Character for quoting
// literals
static const int bulk_padding= 64; // bytes "overhead" in packet
/* Variables used when chopping off trailing characters */
static const uint sizeof_trailing_comma= sizeof(", ") - 1;
@ -415,7 +420,7 @@ static handler *federated_create_handler(handlerton *hton,
/* Function we use in the creation of our hash to get key */
static uchar *federated_get_key(FEDERATED_SHARE *share, size_t *length,
my_bool not_used __attribute__ ((unused)))
my_bool not_used __attribute__ ((unused)))
{
*length= share->share_key_length;
return (uchar*) share->share_key;
@ -477,6 +482,57 @@ int federated_done(void *p)
}
/**
@brief Append identifiers to the string.
@param[in,out] string The target string.
@param[in] name Identifier name
@param[in] length Length of identifier name in bytes
@param[in] quote_char Quote char to use for quoting identifier.
@return Operation Status
@retval FALSE OK
@retval TRUE There was an error appending to the string.
@note This function is based upon the append_identifier() function
in sql_show.cc except that quoting always occurs.
*/
static bool append_ident(String *string, const char *name, uint length,
const char quote_char)
{
bool result;
uint clen;
const char *name_end;
DBUG_ENTER("append_ident");
if (quote_char)
{
string->reserve(length * 2 + 2);
if ((result= string->append(&quote_char, 1, system_charset_info)))
goto err;
for (name_end= name+length; name < name_end; name+= clen)
{
uchar c= *(uchar *) name;
if (!(clen= my_mbcharlen(system_charset_info, c)))
clen= 1;
if (clen == 1 && c == (uchar) quote_char &&
(result= string->append(&quote_char, 1, system_charset_info)))
goto err;
if ((result= string->append(name, clen, string->charset())))
goto err;
}
result= string->append(&quote_char, 1, system_charset_info);
}
else
result= string->append(name, length, system_charset_info);
err:
DBUG_RETURN(result);
}
/*
Check (in create) whether the tables exists, and that it can be connected to
@ -495,7 +551,6 @@ int federated_done(void *p)
static int check_foreign_data_source(FEDERATED_SHARE *share,
bool table_create_flag)
{
char escaped_table_name[NAME_LEN*2];
char query_buffer[FEDERATED_QUERY_BUFFER_SIZE];
char error_buffer[FEDERATED_QUERY_BUFFER_SIZE];
uint error_code;
@ -536,7 +591,6 @@ static int check_foreign_data_source(FEDERATED_SHARE *share,
}
else
{
int escaped_table_name_length= 0;
/*
Since we do not support transactions at this version, we can let the
client API silently reconnect. For future versions, we will need more
@ -551,14 +605,10 @@ static int check_foreign_data_source(FEDERATED_SHARE *share,
the query will be: SELECT * FROM `tablename` WHERE 1=0
*/
query.append(STRING_WITH_LEN("SELECT * FROM `"));
escaped_table_name_length=
escape_string_for_mysql(&my_charset_bin, (char*)escaped_table_name,
sizeof(escaped_table_name),
share->table_name,
share->table_name_length);
query.append(escaped_table_name, escaped_table_name_length);
query.append(STRING_WITH_LEN("` WHERE 1=0"));
query.append(STRING_WITH_LEN("SELECT * FROM "));
append_ident(&query, share->table_name, share->table_name_length,
ident_quote_char);
query.append(STRING_WITH_LEN(" WHERE 1=0");
if (mysql_real_query(mysql, query.ptr(), query.length()))
{
@ -907,6 +957,7 @@ ha_federated::ha_federated(handlerton *hton,
mysql(0), stored_result(0)
{
trx_next= 0;
bzero(&bulk_insert, sizeof(bulk_insert));
}
@ -969,9 +1020,8 @@ uint ha_federated::convert_row_to_internal_format(uchar *record,
static bool emit_key_part_name(String *to, KEY_PART_INFO *part)
{
DBUG_ENTER("emit_key_part_name");
if (to->append(STRING_WITH_LEN("`")) ||
to->append(part->field->field_name) ||
to->append(STRING_WITH_LEN("`")))
if (append_ident(to, part->field->field_name,
strlen(part->field->field_name), ident_quote_char))
DBUG_RETURN(1); // Out of memory
DBUG_RETURN(0);
}
@ -1515,20 +1565,20 @@ static FEDERATED_SHARE *get_share(const char *table_name, TABLE *table)
query.append(STRING_WITH_LEN("SELECT "));
for (field= table->field; *field; field++)
{
query.append(STRING_WITH_LEN("`"));
query.append((*field)->field_name);
query.append(STRING_WITH_LEN("`, "));
append_ident(&query, (*field)->field_name,
strlen((*field)->field_name), ident_quote_char);
query.append(STRING_WITH_LEN(", "));
}
/* chops off trailing comma */
query.length(query.length() - sizeof_trailing_comma);
query.append(STRING_WITH_LEN(" FROM `"));
query.append(tmp_share.table_name, tmp_share.table_name_length);
query.append(STRING_WITH_LEN("`"));
DBUG_PRINT("info", ("calling alloc_root"));
append_ident(&query, tmp_share.table_name,
tmp_share.table_name_length, ident_quote_char);
if (!(share= (FEDERATED_SHARE *) memdup_root(&mem_root, (char*)&tmp_share, sizeof(*share))) ||
!(share->select_query= (char*) strmake_root(&mem_root, query.ptr(), query.length())))
!(share->select_query= (char*) strmake_root(&mem_root, query.ptr(), query.length() + 1)))
goto error;
share->use_count= 0;
@ -1669,6 +1719,8 @@ int ha_federated::open(const char *name, int mode, uint test_if_locked)
table->s->reclength);
DBUG_PRINT("info", ("ref_length: %u", ref_length));
reset();
DBUG_RETURN(0);
}
@ -1741,6 +1793,83 @@ static inline uint field_in_record_is_null(TABLE *table,
}
/**
@brief Construct the INSERT statement.
@details This method will construct the INSERT statement and appends it to
the supplied query string buffer.
@return
@retval FALSE No error
@retval TRUE Failure
*/
bool ha_federated::append_stmt_insert(String *query)
{
char insert_buffer[FEDERATED_QUERY_BUFFER_SIZE];
Field **field;
uint tmp_length;
/* The main insert query string */
String insert_string(insert_buffer, sizeof(insert_buffer), &my_charset_bin);
DBUG_ENTER("ha_federated::append_stmt_insert");
insert_string.length(0);
if (replace_duplicates)
insert_string.append(STRING_WITH_LEN("REPLACE INTO "));
else if (ignore_duplicates && !insert_dup_update)
insert_string.append(STRING_WITH_LEN("INSERT IGNORE INTO "));
else
insert_string.append(STRING_WITH_LEN("INSERT INTO "));
append_ident(&insert_string, share->table_name, share->table_name_length,
ident_quote_char);
insert_string.append(FEDERATED_OPENPAREN);
tmp_length= insert_string.length() - strlen(STRING_WITH_LEN(", "));
/*
loop through the field pointer array, add any fields to both the values
list and the fields list that match the current query id
*/
for (field= table->field; *field; field++)
{
if (bitmap_is_set(table->write_set, (*field)->field_index))
{
/* append the field name */
append_ident(&insert_string, (*field)->field_name,
strlen((*field)->field_name), ident_quote_char);
/* append commas between both fields and fieldnames */
/*
unfortunately, we can't use the logic if *(fields + 1) to
make the following appends conditional as we don't know if the
next field is in the write set
*/
insert_string.append(STRING_WITH_LEN(", "));
}
}
/*
remove trailing comma
*/
insert_string.length(insert_string.length() - sizeof_trailing_comma);
/*
if there were no fields, we don't want to add a closing paren
AND, we don't want to chop off the last char '('
insert will be "INSERT INTO t1 VALUES ();"
*/
if (insert_string.length() > tmp_length)
{
insert_string.append(STRING_WITH_LEN(") ");
}
insert_string.append(STRING_WITH_LEN(" VALUES "));
DBUG_RETURN(query->append(insert_string));
}
/*
write_row() inserts a row. No extra() hint is given currently if a bulk load
is happeneding. buf() is a byte array of data. You can use the field
@ -1757,69 +1886,14 @@ static inline uint field_in_record_is_null(TABLE *table,
int ha_federated::write_row(uchar *buf)
{
/*
I need a bool again, in 5.0, I used table->s->fields to accomplish this.
This worked as a flag that says there are fields with values or not.
In 5.1, this value doesn't work the same, and I end up with the code
truncating open parenthesis:
the statement "INSERT INTO t1 VALUES ()" ends up being first built
in two strings
"INSERT INTO t1 ("
and
" VALUES ("
If there are fields with values, they get appended, with commas, and
the last loop, a trailing comma is there
"INSERT INTO t1 ( col1, col2, colN, "
" VALUES ( 'val1', 'val2', 'valN', "
Then, if there are fields, it should decrement the string by ", " length.
"INSERT INTO t1 ( col1, col2, colN"
" VALUES ( 'val1', 'val2', 'valN'"
Then it adds a close paren to both - if there are fields
"INSERT INTO t1 ( col1, col2, colN)"
" VALUES ( 'val1', 'val2', 'valN')"
Then appends both together
"INSERT INTO t1 ( col1, col2, colN) VALUES ( 'val1', 'val2', 'valN')"
So... the problem, is if you have the original statement:
"INSERT INTO t1 VALUES ()"
Which is legitimate, but if the code thinks there are fields
"INSERT INTO t1 ("
" VALUES ( "
If the field flag is set, but there are no commas, reduces the
string by strlen(", ")
"INSERT INTO t1 "
" VALUES "
Then adds the close parenthesis
"INSERT INTO t1 )"
" VALUES )"
So, I have to use a bool as before, set in the loop where fields and commas
are appended to the string
*/
my_bool commas_added= FALSE;
char insert_buffer[FEDERATED_QUERY_BUFFER_SIZE];
char values_buffer[FEDERATED_QUERY_BUFFER_SIZE];
char insert_field_value_buffer[STRING_BUFFER_USUAL_SIZE];
Field **field;
uint tmp_length;
int error= 0;
bool use_bulk_insert;
bool auto_increment_update_required= (table->next_number_field != NULL);
/* The main insert query string */
String insert_string(insert_buffer, sizeof(insert_buffer), &my_charset_bin);
/* The string containing the values to be added to the insert */
String values_string(values_buffer, sizeof(values_buffer), &my_charset_bin);
/* The actual value of the field, to be added to the values_string */
@ -1830,7 +1904,6 @@ int ha_federated::write_row(uchar *buf)
DBUG_ENTER("ha_federated::write_row");
values_string.length(0);
insert_string.length(0);
insert_field_value_string.length(0);
ha_statistic_increment(&SSV::ha_write_count);
if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_INSERT)
@ -1838,14 +1911,19 @@ int ha_federated::write_row(uchar *buf)
/*
start both our field and field values strings
We must disable multi-row insert for "INSERT...ON DUPLICATE KEY UPDATE"
Ignore duplicates is always true when insert_dup_update is true.
When replace_duplicates == TRUE, we can safely enable multi-row insert.
When performing multi-row insert, we only collect the columns values for
the row. The start of the statement is only created when the first
row is copied in to the bulk_insert string.
*/
insert_string.append(STRING_WITH_LEN("INSERT INTO `"));
insert_string.append(share->table_name, share->table_name_length);
insert_string.append('`');
insert_string.append(STRING_WITH_LEN(" ("));
if (!(use_bulk_insert= bulk_insert.str &&
(!insert_dup_update || replace_duplicates)))
append_stmt_insert(&values_string);
values_string.append(STRING_WITH_LEN(" VALUES "));
values_string.append(STRING_WITH_LEN(" ("));
tmp_length= values_string.length();
/*
loop through the field pointer array, add any fields to both the values
@ -1855,7 +1933,6 @@ int ha_federated::write_row(uchar *buf)
{
if (bitmap_is_set(table->write_set, (*field)->field_index))
{
commas_added= TRUE;
if ((*field)->is_null())
values_string.append(STRING_WITH_LEN(" NULL "));
else
@ -1863,15 +1940,13 @@ int ha_federated::write_row(uchar *buf)
bool needs_quote= (*field)->str_needs_quotes();
(*field)->val_str(&insert_field_value_string);
if (needs_quote)
values_string.append('\'');
values_string.append(value_quote_char);
insert_field_value_string.print(&values_string);
if (needs_quote)
values_string.append('\'');
values_string.append(value_quote_char);
insert_field_value_string.length(0);
}
/* append the field name */
insert_string.append((*field)->field_name);
/* append commas between both fields and fieldnames */
/*
@ -1879,7 +1954,6 @@ int ha_federated::write_row(uchar *buf)
make the following appends conditional as we don't know if the
next field is in the write set
*/
insert_string.append(STRING_WITH_LEN(", "));
values_string.append(STRING_WITH_LEN(", "));
}
}
@ -1890,26 +1964,53 @@ int ha_federated::write_row(uchar *buf)
AND, we don't want to chop off the last char '('
insert will be "INSERT INTO t1 VALUES ();"
*/
if (commas_added)
if (values_string.length() > tmp_length)
{
insert_string.length(insert_string.length() - sizeof_trailing_comma);
/* chops off leading commas */
/* chops off trailing comma */
values_string.length(values_string.length() - sizeof_trailing_comma);
insert_string.append(STRING_WITH_LEN(") "));
}
else
{
/* chops off trailing ) */
insert_string.length(insert_string.length() - sizeof_trailing_closeparen);
}
/* we always want to append this, even if there aren't any fields */
values_string.append(STRING_WITH_LEN(") "));
/* add the values */
insert_string.append(values_string);
if (use_bulk_insert)
{
/*
Send the current bulk insert out if appending the current row would
cause the statement to overflow the packet size, otherwise set
auto_increment_update_required to FALSE as no query was executed.
*/
if (bulk_insert.length + values_string.length() + bulk_padding >
mysql->net.max_packet_size && bulk_insert.length)
{
error= mysql_real_query(mysql, bulk_insert.str, bulk_insert.length);
bulk_insert.length= 0;
}
else
auto_increment_update_required= FALSE;
if (mysql_real_query(mysql, insert_string.ptr(), insert_string.length()))
if (bulk_insert.length == 0)
{
char insert_buffer[FEDERATED_QUERY_BUFFER_SIZE];
String insert_string(insert_buffer, sizeof(insert_buffer),
&my_charset_bin);
insert_string.length(0);
append_stmt_insert(&insert_string);
dynstr_append_mem(&bulk_insert, insert_string.ptr(),
insert_string.length());
}
else
dynstr_append_mem(&bulk_insert, ",", 1);
dynstr_append_mem(&bulk_insert, values_string.ptr(),
values_string.length());
}
else
{
error= mysql_real_query(mysql, values_string.ptr(),
values_string.length());
}
if (error)
{
DBUG_RETURN(stash_remote_error());
}
@ -1917,12 +2018,79 @@ int ha_federated::write_row(uchar *buf)
If the table we've just written a record to contains an auto_increment
field, then store the last_insert_id() value from the foreign server
*/
if (table->next_number_field)
if (auto_increment_update_required)
update_auto_increment();
DBUG_RETURN(0);
}
/**
@brief Prepares the storage engine for bulk inserts.
@param[in] rows estimated number of rows in bulk insert
or 0 if unknown.
@details Initializes memory structures required for bulk insert.
*/
void ha_federated::start_bulk_insert(ha_rows rows)
{
uint page_size;
DBUG_ENTER("ha_federated::start_bulk_insert");
dynstr_free(&bulk_insert);
/**
We don't bother with bulk-insert semantics when the estimated rows == 1
The rows value will be 0 if the server does not know how many rows
would be inserted. This can occur when performing INSERT...SELECT
*/
if (rows == 1)
DBUG_VOID_RETURN;
page_size= (uint) my_getpagesize();
if (init_dynamic_string(&bulk_insert, NULL, page_size, page_size))
DBUG_VOID_RETURN;
bulk_insert.length= 0;
DBUG_VOID_RETURN;
}
/**
@brief End bulk insert.
@details This method will send any remaining rows to the remote server.
Finally, it will deinitialize the bulk insert data structure.
@return Operation status
@retval 0 No error
@retval != 0 Error occured at remote server. Also sets my_errno.
*/
int ha_federated::end_bulk_insert()
{
int error= 0;
DBUG_ENTER("ha_federated::end_bulk_insert");
if (bulk_insert.str && bulk_insert.length)
{
if (mysql_real_query(mysql, bulk_insert.str, bulk_insert.length))
error= stash_remote_error();
else
if (table->next_number_field)
update_auto_increment();
}
dynstr_free(&bulk_insert);
DBUG_RETURN(my_errno= error);
}
/*
ha_federated::update_auto_increment
@ -1952,9 +2120,9 @@ int ha_federated::optimize(THD* thd, HA_CHECK_OPT* check_opt)
query.length(0);
query.set_charset(system_charset_info);
query.append(STRING_WITH_LEN("OPTIMIZE TABLE `"));
query.append(share->table_name, share->table_name_length);
query.append(STRING_WITH_LEN("`"));
query.append(STRING_WITH_LEN("OPTIMIZE TABLE "));
append_ident(&query, share->table_name, share->table_name_length,
ident_quote_char);
if (mysql_real_query(mysql, query.ptr(), query.length()))
{
@ -1974,9 +2142,9 @@ int ha_federated::repair(THD* thd, HA_CHECK_OPT* check_opt)
query.length(0);
query.set_charset(system_charset_info);
query.append(STRING_WITH_LEN("REPAIR TABLE `"));
query.append(share->table_name, share->table_name_length);
query.append(STRING_WITH_LEN("`"));
query.append(STRING_WITH_LEN("REPAIR TABLE "));
append_ident(&query, share->table_name, share->table_name_length,
ident_quote_char);
if (check_opt->flags & T_QUICK)
query.append(STRING_WITH_LEN(" QUICK"));
if (check_opt->flags & T_EXTEND)
@ -2053,9 +2221,13 @@ int ha_federated::update_row(const uchar *old_data, uchar *new_data)
update_string.length(0);
where_string.length(0);
update_string.append(STRING_WITH_LEN("UPDATE `"));
update_string.append(share->table_name);
update_string.append(STRING_WITH_LEN("` SET "));
if (ignore_duplicates)
update_string.append(STRING_WITH_LEN("UPDATE IGNORE "));
else
update_string.append(STRING_WITH_LEN("UPDATE "));
append_ident(&update_string, share->table_name,
share->table_name_length, ident_quote_char);
update_string.append(STRING_WITH_LEN(" SET "));
/*
In this loop, we want to match column names to values being inserted
@ -2071,7 +2243,9 @@ int ha_federated::update_row(const uchar *old_data, uchar *new_data)
{
if (bitmap_is_set(table->write_set, (*field)->field_index))
{
update_string.append((*field)->field_name);
uint field_name_length= strlen((*field)->field_name);
append_ident(&update_string, (*field)->field_name, field_name_length,
ident_quote_char);
update_string.append(STRING_WITH_LEN(" = "));
if ((*field)->is_null())
@ -2083,10 +2257,10 @@ int ha_federated::update_row(const uchar *old_data, uchar *new_data)
bool needs_quote= (*field)->str_needs_quotes();
(*field)->val_str(&field_value);
if (needs_quote)
update_string.append('\'');
update_string.append(value_quote_char);
field_value.print(&update_string);
if (needs_quote)
update_string.append('\'');
update_string.append(value_quote_char);
field_value.length(0);
tmp_restore_column_map(table->read_set, old_map);
}
@ -2095,7 +2269,9 @@ int ha_federated::update_row(const uchar *old_data, uchar *new_data)
if (bitmap_is_set(table->read_set, (*field)->field_index))
{
where_string.append((*field)->field_name);
uint field_name_length= strlen((*field)->field_name);
append_ident(&where_string, (*field)->field_name, field_name_length,
ident_quote_char);
if (field_in_record_is_null(table, *field, (char*) old_data))
where_string.append(STRING_WITH_LEN(" IS NULL "));
else
@ -2105,10 +2281,10 @@ int ha_federated::update_row(const uchar *old_data, uchar *new_data)
(*field)->val_str(&field_value,
(old_data + (*field)->offset(record)));
if (needs_quote)
where_string.append('\'');
where_string.append(value_quote_char);
field_value.print(&where_string);
if (needs_quote)
where_string.append('\'');
where_string.append(value_quote_char);
field_value.length(0);
}
where_string.append(STRING_WITH_LEN(" AND "));
@ -2165,9 +2341,10 @@ int ha_federated::delete_row(const uchar *buf)
DBUG_ENTER("ha_federated::delete_row");
delete_string.length(0);
delete_string.append(STRING_WITH_LEN("DELETE FROM `"));
delete_string.append(share->table_name);
delete_string.append(STRING_WITH_LEN("` WHERE "));
delete_string.append(STRING_WITH_LEN("DELETE FROM "));
append_ident(&delete_string, share->table_name,
share->table_name_length, ident_quote_char);
delete_string.append(STRING_WITH_LEN(" WHERE "));
for (Field **field= table->field; *field; field++)
{
@ -2175,8 +2352,9 @@ int ha_federated::delete_row(const uchar *buf)
found++;
if (bitmap_is_set(table->read_set, cur_field->field_index))
{
append_ident(&delete_string, (*field)->field_name,
strlen((*field)->field_name), ident_quote_char);
data_string.length(0);
delete_string.append(cur_field->field_name);
if (cur_field->is_null())
{
delete_string.append(STRING_WITH_LEN(" IS NULL "));
@ -2187,13 +2365,12 @@ int ha_federated::delete_row(const uchar *buf)
delete_string.append(STRING_WITH_LEN(" = "));
cur_field->val_str(&data_string);
if (needs_quote)
delete_string.append('\'');
delete_string.append(value_quote_char);
data_string.print(&delete_string);
if (needs_quote)
delete_string.append('\'');
delete_string.append(value_quote_char);
}
delete_string.append(STRING_WITH_LEN(" AND "));
}
}
// Remove trailing AND
@ -2680,7 +2857,6 @@ int ha_federated::info(uint flag)
{
char error_buffer[FEDERATED_QUERY_BUFFER_SIZE];
char status_buf[FEDERATED_QUERY_BUFFER_SIZE];
char escaped_table_name[FEDERATED_QUERY_BUFFER_SIZE];
int error;
uint error_code;
MYSQL_RES *result= 0;
@ -2693,13 +2869,9 @@ int ha_federated::info(uint flag)
if (flag & (HA_STATUS_VARIABLE | HA_STATUS_CONST))
{
status_query_string.length(0);
status_query_string.append(STRING_WITH_LEN("SHOW TABLE STATUS LIKE '"));
escape_string_for_mysql(&my_charset_bin, (char *)escaped_table_name,
sizeof(escaped_table_name),
share->table_name,
share->table_name_length);
status_query_string.append(escaped_table_name);
status_query_string.append(STRING_WITH_LEN("'"));
status_query_string.append(STRING_WITH_LEN("SHOW TABLE STATUS LIKE "));
append_ident(&status_query_string, share->table_name,
share->table_name_length, value_quote_char);
if (mysql_real_query(mysql, status_query_string.ptr(),
status_query_string.length()))
@ -2770,6 +2942,51 @@ error:
}
/**
@brief Handles extra signals from MySQL server
@param[in] operation Hint for storage engine
@return Operation Status
@retval 0 OK
*/
int ha_federated::extra(ha_extra_function operation)
{
DBUG_ENTER("ha_federated::extra");
switch (operation) {
case HA_EXTRA_IGNORE_DUP_KEY:
ignore_duplicates= TRUE;
break;
case HA_EXTRA_NO_IGNORE_DUP_KEY:
insert_dup_update= FALSE;
ignore_duplicates= FALSE;
break;
case HA_EXTRA_WRITE_CAN_REPLACE:
replace_duplicates= TRUE;
break;
case HA_EXTRA_WRITE_CANNOT_REPLACE:
/*
We use this flag to ensure that we do not create an "INSERT IGNORE"
statement when inserting new rows into the remote table.
*/
replace_duplicates= FALSE;
break;
case HA_EXTRA_INSERT_WITH_UPDATE:
insert_dup_update= TRUE;
break;
case HA_EXTRA_RESET:
insert_dup_update= FALSE;
ignore_duplicates= FALSE;
replace_duplicates= FALSE;
break;
default:
/* do nothing */
DBUG_PRINT("info",("unhandled operation: %d", (uint) operation));
}
DBUG_RETURN(0);
}
/*
Used to delete all rows in a table. Both for cases of truncate and
for cases where the optimizer realizes that all rows will be
@ -2791,9 +3008,9 @@ int ha_federated::delete_all_rows()
query.length(0);
query.set_charset(system_charset_info);
query.append(STRING_WITH_LEN("TRUNCATE `"));
query.append(share->table_name);
query.append(STRING_WITH_LEN("`"));
query.append(STRING_WITH_LEN("TRUNCATE "));
append_ident(&query, share->table_name, share->table_name_length,
ident_quote_char);
/*
TRUNCATE won't return anything in mysql_affected_rows
@ -2901,6 +3118,9 @@ int ha_federated::stash_remote_error()
DBUG_ENTER("ha_federated::stash_remote_error()");
remote_error_number= mysql_errno(mysql);
strmake(remote_error_buf, mysql_error(mysql), sizeof(remote_error_buf)-1);
if (remote_error_number == ER_DUP_ENTRY ||
remote_error_number == ER_DUP_KEY)
DBUG_RETURN(HA_ERR_FOUND_DUPP_KEY);
DBUG_RETURN(HA_FEDERATED_ERROR_WITH_REMOTE_SYSTEM);
}

23
storage/federated/ha_federated.h
View File

@ -88,6 +88,9 @@ class ha_federated: public handler
MYSQL_ROW_OFFSET current_position; // Current position used by ::position()
int remote_error_number;
char remote_error_buf[FEDERATED_QUERY_BUFFER_SIZE];
bool ignore_duplicates, replace_duplicates;
bool insert_dup_update;
DYNAMIC_STRING bulk_insert;
private:
/*
@ -102,6 +105,14 @@ private:
bool records_in_range, bool eq_range);
int stash_remote_error();
bool append_stmt_insert(String *query);
int read_next(byte *buf, MYSQL_RES *result);
int index_read_idx_with_result_set(byte *buf, uint index,
const byte *key,
uint key_len,
ha_rkey_function find_flag,
MYSQL_RES **result);
public:
ha_federated(handlerton *hton, TABLE_SHARE *table_arg);
~ha_federated() {}
@ -189,6 +200,8 @@ public:
int open(const char *name, int mode, uint test_if_locked); // required
int close(void); // required
void start_bulk_insert(ha_rows rows);
int end_bulk_insert();
int write_row(uchar *buf);
int update_row(const uchar *old_data, uchar *new_data);
int delete_row(const uchar *buf);
@ -217,6 +230,7 @@ public:
int rnd_pos(uchar *buf, uchar *pos); //required
void position(const uchar *record); //required
int info(uint); //required
int extra(ha_extra_function operation);
void update_auto_increment(void);
int repair(THD* thd, HA_CHECK_OPT* check_opt);
@ -231,18 +245,11 @@ public:
THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
enum thr_lock_type lock_type); //required
virtual bool get_error_message(int error, String *buf);
bool get_error_message(int error, String *buf);
int external_lock(THD *thd, int lock_type);
int connection_commit();
int connection_rollback();
int connection_autocommit(bool state);
int execute_simple_query(const char *query, int len);
int read_next(uchar *buf, MYSQL_RES *result);
int index_read_idx_with_result_set(uchar *buf, uint index,
const uchar *key,
uint key_len,
ha_rkey_function find_flag,
MYSQL_RES **result);
};