Commit bd707d12 authored by Mattias Jonsson's avatar Mattias Jonsson

merge

parents a5e8d902 b3d86f12
......@@ -42,6 +42,10 @@
*.vcxproj
*.vcxproj.filters
*/*.dir/*
*.dir
Debug
MySql.sdf
Win32
*/*_pure_*warnings
*/.deps
*/.libs/*
......@@ -611,6 +615,7 @@ include/mysql_h.ic
include/mysql_version.h
include/mysqld_ername.h
include/mysqld_error.h
include/mysqld_error.h.rule
include/openssl
include/readline
include/readline/*.h
......@@ -1883,7 +1888,9 @@ scripts/mysql_find_rows
scripts/mysql_fix_extensions
scripts/mysql_fix_privilege_tables
scripts/mysql_fix_privilege_tables.sql
scripts/mysql_fix_privilege_tables.sql.rule
scripts/mysql_fix_privilege_tables_sql.c
scripts/mysql_fix_privilege_tables_sql.c.rule
scripts/mysql_install_db
scripts/mysql_secure_installation
scripts/mysql_setpermission
......@@ -2120,6 +2127,7 @@ sql/handlerton.cc
sql/html
sql/latex
sql/lex_hash.h
sql/lex_hash.h.rule
sql/link_sources
sql/max/*
sql/message.h
......@@ -2151,6 +2159,7 @@ sql/sql_builtin.cc
sql/sql_select.cc.orig
sql/sql_yacc.cc
sql/sql_yacc.h
sql/sql_yacc.h.rule
sql/sql_yacc.output
sql/sql_yacc.yy.orig
sql/test_time
......
This diff is collapsed.
......@@ -55,6 +55,16 @@ typedef struct st_ha_data_partition
HA_DUPLICATE_POS | \
HA_CAN_SQL_HANDLER | \
HA_CAN_INSERT_DELAYED)
/* First 4 bytes in the .par file is the number of 32-bit words in the file */
#define PAR_WORD_SIZE 4
/* offset to the .par file checksum */
#define PAR_CHECKSUM_OFFSET 4
/* offset to the total number of partitions */
#define PAR_NUM_PARTS_OFFSET 8
/* offset to the engines array */
#define PAR_ENGINES_OFFSET 12
class ha_partition :public handler
{
private:
......@@ -71,7 +81,7 @@ private:
/* Data for the partition handler */
int m_mode; // Open mode
uint m_open_test_lock; // Open test_if_locked
char *m_file_buffer; // Buffer with names
char *m_file_buffer; // Content of the .par file
char *m_name_buffer_ptr; // Pointer to first partition name
plugin_ref *m_engine_array; // Array of types of the handlers
handler **m_file; // Array of references to handler inst.
......@@ -133,6 +143,13 @@ private:
bool m_is_sub_partitioned; // Is subpartitioned
bool m_ordered_scan_ongoing;
/*
If set, this object was created with ha_partition::clone and doesn't
"own" the m_part_info structure.
*/
ha_partition *m_is_clone_of;
MEM_ROOT *m_clone_mem_root;
/*
We keep track if all underlying handlers are MyISAM since MyISAM has a
great number of extra flags not needed by other handlers.
......@@ -169,11 +186,6 @@ private:
PARTITION_SHARE *share; /* Shared lock info */
#endif
/*
TRUE <=> this object was created with ha_partition::clone and doesn't
"own" the m_part_info structure.
*/
bool is_clone;
bool auto_increment_lock; /**< lock reading/updating auto_inc */
/**
Flag to keep the auto_increment lock through out the statement.
......@@ -186,7 +198,7 @@ private:
/** used for prediction of start_bulk_insert rows */
enum_monotonicity_info m_part_func_monotonicity_info;
public:
handler *clone(MEM_ROOT *mem_root);
handler *clone(const char *name, MEM_ROOT *mem_root);
virtual void set_part_info(partition_info *part_info)
{
m_part_info= part_info;
......@@ -205,6 +217,10 @@ public:
*/
ha_partition(handlerton *hton, TABLE_SHARE * table);
ha_partition(handlerton *hton, partition_info * part_info);
ha_partition(handlerton *hton, TABLE_SHARE *share,
partition_info *part_info_arg,
ha_partition *clone_arg,
MEM_ROOT *clone_mem_root_arg);
~ha_partition();
/*
A partition handler has no characteristics in itself. It only inherits
......@@ -275,7 +291,10 @@ private:
And one method to read it in.
*/
bool create_handler_file(const char *name);
bool get_from_handler_file(const char *name, MEM_ROOT *mem_root);
bool setup_engine_array(MEM_ROOT *mem_root);
bool read_par_file(const char *name);
bool get_from_handler_file(const char *name, MEM_ROOT *mem_root,
bool is_clone);
bool new_handlers_from_part_info(MEM_ROOT *mem_root);
bool create_handlers(MEM_ROOT *mem_root);
void clear_handler_file();
......
......@@ -2037,22 +2037,29 @@ int ha_delete_table(THD *thd, handlerton *table_type, const char *path,
/****************************************************************************
** General handler functions
****************************************************************************/
handler *handler::clone(MEM_ROOT *mem_root)
handler *handler::clone(const char *name, MEM_ROOT *mem_root)
{
handler *new_handler= get_new_handler(table->s, mem_root, table->s->db_type());
handler *new_handler= get_new_handler(table->s, mem_root, ht);
/*
Allocate handler->ref here because otherwise ha_open will allocate it
on this->table->mem_root and we will not be able to reclaim that memory
when the clone handler object is destroyed.
*/
if (!(new_handler->ref= (uchar*) alloc_root(mem_root, ALIGN_SIZE(ref_length)*2)))
return NULL;
if (new_handler && !new_handler->ha_open(table,
table->s->normalized_path.str,
table->db_stat,
HA_OPEN_IGNORE_IF_LOCKED))
return new_handler;
return NULL;
if (new_handler &&
!(new_handler->ref= (uchar*) alloc_root(mem_root,
ALIGN_SIZE(ref_length)*2)))
new_handler= NULL;
/*
TODO: Implement a more efficient way to have more than one index open for
the same table instance. The ha_open call is not cachable for clone.
*/
if (new_handler && new_handler->ha_open(table,
name,
table->db_stat,
HA_OPEN_IGNORE_IF_LOCKED))
new_handler= NULL;
return new_handler;
}
......
......@@ -1165,7 +1165,7 @@ public:
DBUG_ASSERT(locked == FALSE);
/* TODO: DBUG_ASSERT(inited == NONE); */
}
virtual handler *clone(MEM_ROOT *mem_root);
virtual handler *clone(const char *name, MEM_ROOT *mem_root);
/** This is called after create to allow us to set up cached variables */
void init()
{
......
......@@ -1335,7 +1335,7 @@ int QUICK_RANGE_SELECT::init_ror_merged_scan(bool reuse_handler)
}
thd= head->in_use;
if (!(file= head->file->clone(thd->mem_root)))
if (!(file= head->file->clone(head->s->normalized_path.str, thd->mem_root)))
{
/*
Manually set the error flag. Note: there seems to be quite a few
......
......@@ -142,11 +142,11 @@ int ha_heap::close(void)
DESCRIPTION
Do same as default implementation but use file->s->name instead of
table->s->path. This is needed by Windows where the clone() call sees
'/'-delimited path in table->s->path, while ha_peap::open() was called
'/'-delimited path in table->s->path, while ha_heap::open() was called
with '\'-delimited path.
*/
handler *ha_heap::clone(MEM_ROOT *mem_root)
handler *ha_heap::clone(const char *name, MEM_ROOT *mem_root)
{
handler *new_handler= get_new_handler(table->s, mem_root, table->s->db_type());
if (new_handler && !new_handler->ha_open(table, file->s->name, table->db_stat,
......
......@@ -34,7 +34,7 @@ class ha_heap: public handler
public:
ha_heap(handlerton *hton, TABLE_SHARE *table);
~ha_heap() {}
handler *clone(MEM_ROOT *mem_root);
handler *clone(const char *name, MEM_ROOT *mem_root);
const char *table_type() const
{
return (table->in_use->variables.sql_mode & MODE_MYSQL323) ?
......
......@@ -552,9 +552,10 @@ ha_myisam::ha_myisam(handlerton *hton, TABLE_SHARE *table_arg)
can_enable_indexes(1)
{}
handler *ha_myisam::clone(MEM_ROOT *mem_root)
handler *ha_myisam::clone(const char *name, MEM_ROOT *mem_root)
{
ha_myisam *new_handler= static_cast <ha_myisam *>(handler::clone(mem_root));
ha_myisam *new_handler= static_cast <ha_myisam *>(handler::clone(name,
mem_root));
if (new_handler)
new_handler->file->state= file->state;
return new_handler;
......
......@@ -44,7 +44,7 @@ class ha_myisam: public handler
public:
ha_myisam(handlerton *hton, TABLE_SHARE *table_arg);
~ha_myisam() {}
handler *clone(MEM_ROOT *mem_root);
handler *clone(const char *name, MEM_ROOT *mem_root);
const char *table_type() const { return "MyISAM"; }
const char *index_type(uint key_number);
const char **bas_ext() const;
......
......@@ -459,8 +459,7 @@ int ha_myisammrg::open(const char *name, int mode __attribute__((unused)),
problem because all locking is handled by the original MERGE table
from which this is cloned of.
*/
if (!(file= myrg_open(table->s->normalized_path.str, table->db_stat,
HA_OPEN_IGNORE_IF_LOCKED)))
if (!(file= myrg_open(name, table->db_stat, HA_OPEN_IGNORE_IF_LOCKED)))
{
DBUG_PRINT("error", ("my_errno %d", my_errno));
DBUG_RETURN(my_errno ? my_errno : -1);
......@@ -484,7 +483,7 @@ int ha_myisammrg::open(const char *name, int mode __attribute__((unused)),
@return A cloned handler instance.
*/
handler *ha_myisammrg::clone(MEM_ROOT *mem_root)
handler *ha_myisammrg::clone(const char *name, MEM_ROOT *mem_root)
{
MYRG_TABLE *u_table,*newu_table;
ha_myisammrg *new_handler=
......@@ -505,8 +504,8 @@ handler *ha_myisammrg::clone(MEM_ROOT *mem_root)
return NULL;
}
if (new_handler->ha_open(table, table->s->normalized_path.str, table->db_stat,
HA_OPEN_IGNORE_IF_LOCKED))
if (new_handler->ha_open(table, name, table->db_stat,
HA_OPEN_IGNORE_IF_LOCKED))
{
delete new_handler;
return NULL;
......
......@@ -62,7 +62,7 @@ class ha_myisammrg: public handler
int open(const char *name, int mode, uint test_if_locked);
int attach_children(void);
int detach_children(void);
virtual handler *clone(MEM_ROOT *mem_root);
virtual handler *clone(const char *name, MEM_ROOT *mem_root);
int close(void);
int write_row(uchar * buf);
int update_row(const uchar * old_data, uchar * new_data);
......
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