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10.0-base merge

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This commit is contained in:
Sergei Golubchik
2013-04-15 15:09:22 +02:00
parent 3a1c91d87d f57ecb7786
commit a9035be5b7
976 changed files with 38123 additions and 26781 deletions
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340
sql/handler.h
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@ -2,7 +2,7 @@
#define HANDLER_INCLUDED
/*
Copyright (c) 2000, 2011, Oracle and/or its affiliates.
Copyright (c) 2009-2011 Monty Program Ab
Copyright (c) 2009, 2013, Monty Program Ab.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
@ -31,6 +31,7 @@
#include "thr_lock.h" /* thr_lock_type, THR_LOCK_DATA */
#include "sql_cache.h"
#include "structs.h" /* SHOW_COMP_OPTION */
#include "sql_array.h" /* Dynamic_array<> */
#include <my_compare.h>
#include <ft_global.h>
@ -59,9 +60,9 @@
/* Bits in table_flags() to show what database can do */
#define HA_NO_TRANSACTIONS (1 << 0) /* Doesn't support transactions */
#define HA_PARTIAL_COLUMN_READ (1 << 1) /* read may not return all columns */
#define HA_TABLE_SCAN_ON_INDEX (1 << 2) /* No separate data/index file */
#define HA_NO_TRANSACTIONS (1ULL << 0) /* Doesn't support transactions */
#define HA_PARTIAL_COLUMN_READ (1ULL << 1) /* read may not return all columns */
#define HA_TABLE_SCAN_ON_INDEX (1ULL << 2) /* No separate data/index file */
/*
The following should be set if the following is not true when scanning
a table with rnd_next()
@ -70,37 +71,37 @@
If this flag is not set, filesort will do a position() call for each matched
row to be able to find the row later.
*/
#define HA_REC_NOT_IN_SEQ (1 << 3)
#define HA_CAN_GEOMETRY (1 << 4)
#define HA_REC_NOT_IN_SEQ (1ULL << 3)
#define HA_CAN_GEOMETRY (1ULL << 4)
/*
Reading keys in random order is as fast as reading keys in sort order
(Used in records.cc to decide if we should use a record cache and by
filesort to decide if we should sort key + data or key + pointer-to-row
*/
#define HA_FAST_KEY_READ (1 << 5)
#define HA_FAST_KEY_READ (1ULL << 5)
/*
Set the following flag if we on delete should force all key to be read
and on update read all keys that changes
*/
#define HA_REQUIRES_KEY_COLUMNS_FOR_DELETE (1 << 6)
#define HA_NULL_IN_KEY (1 << 7) /* One can have keys with NULL */
#define HA_DUPLICATE_POS (1 << 8) /* ha_position() gives dup row */
#define HA_NO_BLOBS (1 << 9) /* Doesn't support blobs */
#define HA_CAN_INDEX_BLOBS (1 << 10)
#define HA_AUTO_PART_KEY (1 << 11) /* auto-increment in multi-part key */
#define HA_REQUIRE_PRIMARY_KEY (1 << 12) /* .. and can't create a hidden one */
#define HA_STATS_RECORDS_IS_EXACT (1 << 13) /* stats.records is exact */
#define HA_REQUIRES_KEY_COLUMNS_FOR_DELETE (1ULL << 6)
#define HA_NULL_IN_KEY (1ULL << 7) /* One can have keys with NULL */
#define HA_DUPLICATE_POS (1ULL << 8) /* ha_position() gives dup row */
#define HA_NO_BLOBS (1ULL << 9) /* Doesn't support blobs */
#define HA_CAN_INDEX_BLOBS (1ULL << 10)
#define HA_AUTO_PART_KEY (1ULL << 11) /* auto-increment in multi-part key */
#define HA_REQUIRE_PRIMARY_KEY (1ULL << 12) /* .. and can't create a hidden one */
#define HA_STATS_RECORDS_IS_EXACT (1ULL << 13) /* stats.records is exact */
/*
INSERT_DELAYED only works with handlers that uses MySQL internal table
level locks
*/
#define HA_CAN_INSERT_DELAYED (1 << 14)
#define HA_CAN_INSERT_DELAYED (1ULL << 14)
/*
If we get the primary key columns for free when we do an index read
It also implies that we have to retrive the primary key when using
position() and rnd_pos().
*/
#define HA_PRIMARY_KEY_IN_READ_INDEX (1 << 15)
#define HA_PRIMARY_KEY_IN_READ_INDEX (1ULL << 15)
/*
If HA_PRIMARY_KEY_REQUIRED_FOR_POSITION is set, it means that to position()
uses a primary key given by the record argument.
@ -108,36 +109,36 @@
If not set, the position is returned as the current rows position
regardless of what argument is given.
*/
#define HA_PRIMARY_KEY_REQUIRED_FOR_POSITION (1 << 16)
#define HA_CAN_RTREEKEYS (1 << 17)
#define HA_NOT_DELETE_WITH_CACHE (1 << 18)
#define HA_PRIMARY_KEY_REQUIRED_FOR_POSITION (1ULL << 16)
#define HA_CAN_RTREEKEYS (1ULL << 17)
#define HA_NOT_DELETE_WITH_CACHE (1ULL << 18)
/*
The following is we need to a primary key to delete (and update) a row.
If there is no primary key, all columns needs to be read on update and delete
*/
#define HA_PRIMARY_KEY_REQUIRED_FOR_DELETE (1 << 19)
#define HA_NO_PREFIX_CHAR_KEYS (1 << 20)
#define HA_CAN_FULLTEXT (1 << 21)
#define HA_CAN_SQL_HANDLER (1 << 22)
#define HA_NO_AUTO_INCREMENT (1 << 23)
#define HA_PRIMARY_KEY_REQUIRED_FOR_DELETE (1ULL << 19)
#define HA_NO_PREFIX_CHAR_KEYS (1ULL << 20)
#define HA_CAN_FULLTEXT (1ULL << 21)
#define HA_CAN_SQL_HANDLER (1ULL << 22)
#define HA_NO_AUTO_INCREMENT (1ULL << 23)
/* Has automatic checksums and uses the old checksum format */
#define HA_HAS_OLD_CHECKSUM (1 << 24)
#define HA_HAS_OLD_CHECKSUM (1ULL << 24)
/* Table data are stored in separate files (for lower_case_table_names) */
#define HA_FILE_BASED (1 << 26)
#define HA_NO_VARCHAR (1 << 27)
#define HA_CAN_BIT_FIELD (1 << 28) /* supports bit fields */
#define HA_NEED_READ_RANGE_BUFFER (1 << 29) /* for read_multi_range */
#define HA_ANY_INDEX_MAY_BE_UNIQUE (1 << 30)
#define HA_NO_COPY_ON_ALTER (LL(1) << 31)
#define HA_HAS_RECORDS (LL(1) << 32) /* records() gives exact count*/
#define HA_FILE_BASED (1ULL << 26)
#define HA_NO_VARCHAR (1ULL << 27)
#define HA_CAN_BIT_FIELD (1ULL << 28) /* supports bit fields */
#define HA_NEED_READ_RANGE_BUFFER (1ULL << 29) /* for read_multi_range */
#define HA_ANY_INDEX_MAY_BE_UNIQUE (1ULL << 30)
#define HA_NO_COPY_ON_ALTER (1ULL << 31)
#define HA_HAS_RECORDS (1ULL << 32) /* records() gives exact count*/
/* Has it's own method of binlog logging */
#define HA_HAS_OWN_BINLOGGING (LL(1) << 33)
#define HA_HAS_OWN_BINLOGGING (1ULL << 33)
/*
Engine is capable of row-format and statement-format logging,
respectively
*/
#define HA_BINLOG_ROW_CAPABLE (LL(1) << 34)
#define HA_BINLOG_STMT_CAPABLE (LL(1) << 35)
#define HA_BINLOG_ROW_CAPABLE (1ULL << 34)
#define HA_BINLOG_STMT_CAPABLE (1ULL << 35)
/*
When a multiple key conflict happens in a REPLACE command mysql
expects the conflicts to be reported in the ascending order of
@ -160,20 +161,20 @@
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)
#define HA_DUPLICATE_KEY_NOT_IN_ORDER (1ULL << 36)
/*
Engine supports REPAIR TABLE. Used by CHECK TABLE FOR UPGRADE if an
incompatible table is detected. If this flag is set, CHECK TABLE FOR UPGRADE
will report ER_TABLE_NEEDS_UPGRADE, otherwise ER_TABLE_NEED_REBUILD.
*/
#define HA_CAN_REPAIR (LL(1) << 37)
#define HA_CAN_REPAIR (1ULL << 37)
/* Has automatic checksums and uses the new checksum format */
#define HA_HAS_NEW_CHECKSUM (LL(1) << 38)
#define HA_CAN_VIRTUAL_COLUMNS (LL(1) << 39)
#define HA_MRR_CANT_SORT (LL(1) << 40)
#define HA_RECORD_MUST_BE_CLEAN_ON_WRITE (LL(1) << 41)
#define HA_HAS_NEW_CHECKSUM (1ULL << 38)
#define HA_CAN_VIRTUAL_COLUMNS (1ULL << 39)
#define HA_MRR_CANT_SORT (1ULL << 40)
#define HA_RECORD_MUST_BE_CLEAN_ON_WRITE (1ULL << 41)
/*
Table condition pushdown must be performed regardless of
@ -186,7 +187,7 @@
then the "query=..." condition must be always pushed down into storage
engine.
*/
#define HA_MUST_USE_TABLE_CONDITION_PUSHDOWN (LL(1) << 42)
#define HA_MUST_USE_TABLE_CONDITION_PUSHDOWN (1ULL << 42)
/*
Set of all binlog flags. Currently only contain the capabilities
@ -352,25 +353,23 @@ static const uint MYSQL_START_TRANS_OPT_READ_WRITE = 4;
enum legacy_db_type
{
DB_TYPE_UNKNOWN=0,DB_TYPE_DIAB_ISAM=1,
DB_TYPE_HASH,DB_TYPE_MISAM,DB_TYPE_PISAM,
DB_TYPE_RMS_ISAM, DB_TYPE_HEAP, DB_TYPE_ISAM,
DB_TYPE_MRG_ISAM, DB_TYPE_MYISAM, DB_TYPE_MRG_MYISAM,
DB_TYPE_BERKELEY_DB, DB_TYPE_INNODB,
DB_TYPE_GEMINI, DB_TYPE_NDBCLUSTER,
DB_TYPE_EXAMPLE_DB, DB_TYPE_ARCHIVE_DB, DB_TYPE_CSV_DB,
DB_TYPE_FEDERATED_DB,
DB_TYPE_BLACKHOLE_DB,
DB_TYPE_PARTITION_DB,
DB_TYPE_BINLOG,
DB_TYPE_SOLID,
DB_TYPE_PBXT,
DB_TYPE_TABLE_FUNCTION,
DB_TYPE_MEMCACHE,
DB_TYPE_FALCON,
DB_TYPE_MARIA,
/** Performance schema engine. */
DB_TYPE_PERFORMANCE_SCHEMA,
/* note these numerical values are fixed and can *not* be changed */
DB_TYPE_UNKNOWN=0,
DB_TYPE_HEAP=6,
DB_TYPE_MYISAM=9,
DB_TYPE_MRG_MYISAM=10,
DB_TYPE_INNODB=12,
DB_TYPE_NDBCLUSTER=14,
DB_TYPE_EXAMPLE_DB=15,
DB_TYPE_ARCHIVE_DB=16,
DB_TYPE_CSV_DB=17,
DB_TYPE_FEDERATED_DB=18,
DB_TYPE_BLACKHOLE_DB=19,
DB_TYPE_PARTITION_DB=20,
DB_TYPE_BINLOG=21,
DB_TYPE_PBXT=23,
DB_TYPE_MARIA=27,
DB_TYPE_PERFORMANCE_SCHEMA=28,
DB_TYPE_FIRST_DYNAMIC=42,
DB_TYPE_DEFAULT=127 // Must be last
};
@ -627,6 +626,7 @@ enum enum_schema_tables
SCH_PARAMETERS,
SCH_PARTITIONS,
SCH_PLUGINS,
SCH_ALL_PLUGINS,
SCH_PROCESSLIST,
SCH_PROFILES,
SCH_REFERENTIAL_CONSTRAINTS,
@ -651,6 +651,7 @@ enum enum_schema_tables
};
struct TABLE_SHARE;
struct HA_CREATE_INFO;
struct st_foreign_key_info;
typedef struct st_foreign_key_info FOREIGN_KEY_INFO;
typedef bool (stat_print_fn)(THD *thd, const char *type, uint type_len,
@ -730,22 +731,26 @@ struct ha_index_option_struct;
enum ha_option_type { HA_OPTION_TYPE_ULL, /* unsigned long long */
HA_OPTION_TYPE_STRING, /* char * */
HA_OPTION_TYPE_ENUM, /* uint */
HA_OPTION_TYPE_BOOL}; /* bool */
HA_OPTION_TYPE_BOOL, /* bool */
HA_OPTION_TYPE_SYSVAR};/* type of the sysval */
#define HA_xOPTION_NUMBER(name, struc, field, def, min, max, blk_siz) \
{ HA_OPTION_TYPE_ULL, name, sizeof(name)-1, \
offsetof(struc, field), def, min, max, blk_siz, 0 }
offsetof(struc, field), def, min, max, blk_siz, 0, 0 }
#define HA_xOPTION_STRING(name, struc, field) \
{ HA_OPTION_TYPE_STRING, name, sizeof(name)-1, \
offsetof(struc, field), 0, 0, 0, 0, 0 }
offsetof(struc, field), 0, 0, 0, 0, 0, 0}
#define HA_xOPTION_ENUM(name, struc, field, values, def) \
{ HA_OPTION_TYPE_ENUM, name, sizeof(name)-1, \
offsetof(struc, field), def, 0, \
sizeof(values)-1, 0, values }
sizeof(values)-1, 0, values, 0 }
#define HA_xOPTION_BOOL(name, struc, field, def) \
{ HA_OPTION_TYPE_BOOL, name, sizeof(name)-1, \
offsetof(struc, field), def, 0, 1, 0, 0 }
#define HA_xOPTION_END { HA_OPTION_TYPE_ULL, 0, 0, 0, 0, 0, 0, 0, 0 }
offsetof(struc, field), def, 0, 1, 0, 0, 0 }
#define HA_xOPTION_SYSVAR(name, struc, field, sysvar) \
{ HA_OPTION_TYPE_SYSVAR, name, sizeof(name)-1, \
offsetof(struc, field), 0, 0, 0, 0, 0, MYSQL_SYSVAR(sysvar) }
#define HA_xOPTION_END { HA_OPTION_TYPE_ULL, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
#define HA_TOPTION_NUMBER(name, field, def, min, max, blk_siz) \
HA_xOPTION_NUMBER(name, ha_table_option_struct, field, def, min, max, blk_siz)
@ -755,6 +760,8 @@ enum ha_option_type { HA_OPTION_TYPE_ULL, /* unsigned long long */
HA_xOPTION_ENUM(name, ha_table_option_struct, field, values, def)
#define HA_TOPTION_BOOL(name, field, def) \
HA_xOPTION_BOOL(name, ha_table_option_struct, field, def)
#define HA_TOPTION_SYSVAR(name, field, sysvar) \
HA_xOPTION_SYSVAR(name, ha_table_option_struct, field, sysvar)
#define HA_TOPTION_END HA_xOPTION_END
#define HA_FOPTION_NUMBER(name, field, def, min, max, blk_siz) \
@ -765,6 +772,8 @@ enum ha_option_type { HA_OPTION_TYPE_ULL, /* unsigned long long */
HA_xOPTION_ENUM(name, ha_field_option_struct, field, values, def)
#define HA_FOPTION_BOOL(name, field, def) \
HA_xOPTION_BOOL(name, ha_field_option_struct, field, def)
#define HA_FOPTION_SYSVAR(name, field, sysvar) \
HA_xOPTION_SYSVAR(name, ha_field_option_struct, field, sysvar)
#define HA_FOPTION_END HA_xOPTION_END
#define HA_IOPTION_NUMBER(name, field, def, min, max, blk_siz) \
@ -775,6 +784,8 @@ enum ha_option_type { HA_OPTION_TYPE_ULL, /* unsigned long long */
HA_xOPTION_ENUM(name, ha_index_option_struct, field, values, def)
#define HA_IOPTION_BOOL(name, field, values, def) \
HA_xOPTION_BOOL(name, ha_index_option_struct, field, values, def)
#define HA_IOPTION_SYSVAR(name, field, sysvar) \
HA_xOPTION_SYSVAR(name, ha_index_option_struct, field, sysvar)
#define HA_IOPTION_END HA_xOPTION_END
typedef struct st_ha_create_table_option {
@ -785,6 +796,7 @@ typedef struct st_ha_create_table_option {
ulonglong def_value;
ulonglong min_value, max_value, block_size;
const char *values;
struct st_mysql_sys_var *var;
} ha_create_table_option;
enum handler_iterator_type
@ -1093,18 +1105,6 @@ struct handlerton
enum handler_create_iterator_result
(*create_iterator)(handlerton *hton, enum handler_iterator_type type,
struct handler_iterator *fill_this_in);
int (*discover)(handlerton *hton, THD* thd, const char *db,
const char *name,
uchar **frmblob,
size_t *frmlen);
int (*find_files)(handlerton *hton, THD *thd,
const char *db,
const char *path,
const char *wild, bool dir, List<LEX_STRING> *files);
int (*table_exists_in_engine)(handlerton *hton, THD* thd, const char *db,
const char *name);
uint32 license; /* Flag for Engine License */
/*
Optional clauses in the CREATE/ALTER TABLE
*/
@ -1112,14 +1112,124 @@ struct handlerton
ha_create_table_option *field_options; // these are specified per field
ha_create_table_option *index_options; // these are specified per index
/**
The list of extensions of files created for a single table in the
database directory (datadir/db_name/).
Used by open_table_error(), by the default rename_table and delete_table
handler methods, and by the default discovery implementation.
For engines that have more than one file name extentions (separate
metadata, index, and/or data files), the order of elements is relevant.
First element of engine file name extentions array should be metadata
file extention. This is implied by the open_table_error()
and the default discovery implementation.
Second element - data file extention. This is implied
assumed by REPAIR TABLE ... USE_FRM implementation.
*/
const char **tablefile_extensions; // by default - empty list
/*********************************************************************
Table discovery API.
It allows the server to "discover" tables that exist in the storage
engine, without user issuing an explicit CREATE TABLE statement.
**********************************************************************/
/*
This method is required for any engine that supports automatic table
discovery, there is no default implementation.
Given a TABLE_SHARE discover_table() fills it in with a correct table
structure using one of the TABLE_SHARE::init_from_* methods.
Returns HA_ERR_NO_SUCH_TABLE if the table did not exist in the engine,
zero if the table was discovered successfully, or any other
HA_ERR_* error code as appropriate if the table existed, but the
discovery failed.
*/
int (*discover_table)(handlerton *hton, THD* thd, TABLE_SHARE *share);
/*
The discover_table_names method tells the server
about all tables in the specified database that the engine
knows about. Tables (or file names of tables) are added to
the provided discovered_list collector object using
add_table() or add_file() methods.
*/
class discovered_list
{
public:
virtual bool add_table(const char *tname, size_t tlen) = 0;
virtual bool add_file(const char *fname) = 0;
protected: virtual ~discovered_list() {}
};
/*
By default (if not implemented by the engine, but the discovery_table() is
implemented) it will perform a file-based discovery:
- if tablefile_extensions[0] is not null, this will discovers all tables
with the tablefile_extensions[0] extension.
Returns 0 on success and 1 on error.
*/
int (*discover_table_names)(handlerton *hton, LEX_STRING *db, MY_DIR *dir,
discovered_list *result);
/*
This is a method that allows to server to check if a table exists without
an overhead of the complete discovery.
By default (if not implemented by the engine, but the discovery_table() is
implemented) it will try to perform a file-based discovery:
- if tablefile_extensions[0] is not null this will look for a file name
with the tablefile_extensions[0] extension.
- if tablefile_extensions[0] is null, this will resort to discover_table().
Note that resorting to discover_table() is slow and the engine
should probably implement its own discover_table_existence() method,
if its tablefile_extensions[0] is null.
Returns 1 if the table exists and 0 if it does not.
*/
int (*discover_table_existence)(handlerton *hton, const char *db,
const char *table_name);
/*
This is the assisted table discovery method. Unlike the fully
automatic discovery as above, here a user is expected to issue an
explicit CREATE TABLE with the appropriate table attributes to
"assist" the discovery of a table. But this "discovering" CREATE TABLE
statement will not specify the table structure - the engine discovers
it using this method. For example, FederatedX uses it in
CREATE TABLE t1 ENGINE=FEDERATED CONNECTION="mysql://foo/bar/t1";
Given a TABLE_SHARE discover_table_structure() fills it in with a correct
table structure using one of the TABLE_SHARE::init_from_* methods.
Assisted discovery works independently from the automatic discover.
An engine is allowed to support only assisted discovery and not
support automatic one. Or vice versa.
*/
int (*discover_table_structure)(handlerton *hton, THD* thd,
TABLE_SHARE *share, HA_CREATE_INFO *info);
};
inline LEX_STRING *hton_name(const handlerton *hton)
static inline LEX_STRING *hton_name(const handlerton *hton)
{
return &(hton2plugin[hton->slot]->name);
}
static inline sys_var *find_hton_sysvar(handlerton *hton, st_mysql_sys_var *var)
{
return find_plugin_sysvar(hton2plugin[hton->slot], var);
}
/* Possible flags of a handlerton (there can be 32 of them) */
#define HTON_NO_FLAGS 0
@ -1315,9 +1425,10 @@ struct st_partition_iter;
enum ha_choice { HA_CHOICE_UNDEF, HA_CHOICE_NO, HA_CHOICE_YES };
typedef struct st_ha_create_information
struct HA_CREATE_INFO
{
CHARSET_INFO *table_charset, *default_table_charset;
LEX_CUSTRING tabledef_version;
LEX_STRING connect_string;
const char *password, *tablespace;
LEX_STRING comment;
@ -1346,16 +1457,18 @@ typedef struct st_ha_create_information
uint merge_insert_method;
uint extra_size; /* length of extra data segment */
enum ha_choice transactional;
bool frm_only; ///< 1 if no ha_create_table()
bool varchar; ///< 1 if table has a VARCHAR
enum ha_storage_media storage_media; ///< DEFAULT, DISK or MEMORY
enum ha_choice page_checksum; ///< If we have page_checksums
engine_option_value *option_list; ///< list of table create options
/* the following three are only for ALTER TABLE, check_if_incompatible_data() */
ha_table_option_struct *option_struct; ///< structure with parsed table options
ha_field_option_struct **fields_option_struct; ///< array of field option structures
ha_index_option_struct **indexes_option_struct; ///< array of index option structures
} HA_CREATE_INFO;
bool tmp_table() { return options & HA_LEX_CREATE_TMP_TABLE; }
};
typedef struct st_key_create_information
@ -2046,8 +2159,8 @@ public:
int ha_create(const char *name, TABLE *form, HA_CREATE_INFO *info);
int ha_create_handler_files(const char *name, const char *old_name,
int action_flag, HA_CREATE_INFO *info);
int ha_create_partitioning_metadata(const char *name, const char *old_name,
int action_flag);
int ha_change_partitions(HA_CREATE_INFO *create_info,
const char *path,
@ -2494,18 +2607,7 @@ public:
virtual void free_foreign_key_create_info(char* str) {}
/** The following can be called without an open handler */
const char *table_type() const { return hton_name(ht)->str; }
/**
If frm_error() is called then we will use this to find out what file
extentions exist for the storage engine. This is also used by the default
rename_table and delete_table method in handler.cc.
For engines that have two file name extentions (separate meta/index file
and data file), the order of elements is relevant. First element of engine
file name extentions array should be meta/index file extention. Second
element - data file extention. This order is assumed by
prepare_for_repair() when REPAIR TABLE ... USE_FRM is issued.
*/
virtual const char **bas_ext() const =0;
const char **bas_ext() const { return ht->tablefile_extensions; }
virtual int get_default_no_partitions(HA_CREATE_INFO *create_info)
{ return 1;}
@ -3020,8 +3122,8 @@ private:
virtual void drop_table(const char *name);
virtual int create(const char *name, TABLE *form, HA_CREATE_INFO *info)=0;
virtual int create_handler_files(const char *name, const char *old_name,
int action_flag, HA_CREATE_INFO *info)
virtual int create_partitioning_metadata(const char *name, const char *old_name,
int action_flag)
{ return FALSE; }
virtual int change_partitions(HA_CREATE_INFO *create_info,
@ -3091,6 +3193,8 @@ static inline bool ha_storage_engine_is_enabled(const handlerton *db_type)
(db_type->state == SHOW_OPTION_YES) : FALSE;
}
#define view_pseudo_hton ((handlerton *)1)
/* basic stuff */
int ha_init_errors(void);
int ha_init(void);
@ -3108,8 +3212,7 @@ void ha_checkpoint_state(bool disable);
void ha_commit_checkpoint_request(void *cookie, void (*pre_hook)(void *));
int ha_create_table(THD *thd, const char *path,
const char *db, const char *table_name,
HA_CREATE_INFO *create_info,
bool update_create_info);
HA_CREATE_INFO *create_info, LEX_CUSTRING *frm);
int ha_delete_table(THD *thd, handlerton *db_type, const char *path,
const char *db, const char *alias, bool generate_warning);
@ -3117,14 +3220,31 @@ int ha_delete_table(THD *thd, handlerton *db_type, const char *path,
bool ha_show_status(THD *thd, handlerton *db_type, enum ha_stat_type stat);
/* discovery */
int ha_create_table_from_engine(THD* thd, const char *db, const char *name);
bool ha_check_if_table_exists(THD* thd, const char *db, const char *name,
bool *exists);
int ha_discover(THD* thd, const char* dbname, const char* name,
uchar** frmblob, size_t* frmlen);
int ha_find_files(THD *thd,const char *db,const char *path,
const char *wild, bool dir, List<LEX_STRING>* files);
int ha_table_exists_in_engine(THD* thd, const char* db, const char* name);
#ifdef MYSQL_SERVER
class Discovered_table_list: public handlerton::discovered_list
{
THD *thd;
const char *wild, *wend;
public:
Dynamic_array<LEX_STRING*> *tables;
Discovered_table_list(THD *thd_arg, Dynamic_array<LEX_STRING*> *tables_arg,
const LEX_STRING *wild_arg);
~Discovered_table_list() {}
bool add_table(const char *tname, size_t tlen);
bool add_file(const char *fname);
void sort();
void remove_duplicates(); // assumes that the list is sorted
};
int ha_discover_table(THD *thd, TABLE_SHARE *share);
int ha_discover_table_names(THD *thd, LEX_STRING *db, MY_DIR *dirp,
Discovered_table_list *result);
bool ha_table_exists(THD *thd, const char *db, const char *table_name,
handlerton **hton= 0);
#endif
/* key cache */
extern "C" int ha_init_key_cache(const char *name, KEY_CACHE *key_cache, void *);