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Extension of .frm file (not yet ready for push)

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This commit is contained in:
monty@hundin.mysql.fi
2002-06-02 21:22:20 +03:00
parent d1e13bec39
commit 6e54cc492c
18 changed files with 455 additions and 323 deletions
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96
sql/sql_class.h
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@ -69,11 +69,13 @@ class MYSQL_LOG {
char log_file_name[FN_REFLEN],index_file_name[FN_REFLEN];
bool write_error,inited;
uint file_id; // current file sequence number for load data infile
// binary logging
bool no_rotate; // for binlog - if log name can never change
// we should not try to rotate it or write any rotation events
// the user should use FLUSH MASTER instead of FLUSH LOGS for
// purging
/*
For binlog - if log name can never change
we should not try to rotate it or write any rotation events
the user should use FLUSH MASTER instead of FLUSH LOGS for
purging
*/
bool no_rotate;
enum cache_type io_cache_type;
bool need_start_event;
pthread_cond_t update_cond;
@ -215,19 +217,40 @@ public:
class Key :public Sql_alloc {
public:
enum Keytype { PRIMARY, UNIQUE, MULTIPLE, FULLTEXT, SPATIAL };
enum Keytype { PRIMARY, UNIQUE, MULTIPLE, FULLTEXT, SPATIAL, FOREIGN_KEY};
enum Keytype type;
enum ha_key_alg algorithm;
List<key_part_spec> columns;
const char *Name;
const char *name;
Key(enum Keytype type_par, enum ha_key_alg alg_par, const char *name_arg, List<key_part_spec> &cols)
:type(type_par), algorithm(alg_par), columns(cols), Name(name_arg)
Key(enum Keytype type_par, const char *name_arg, enum ha_key_alg alg_par,
List<key_part_spec> &cols)
:type(type_par), algorithm(alg_par), columns(cols), name(name_arg)
{}
~Key() {}
const char *name() { return Name; }
};
class Table_ident;
class foreign_key: public Key {
public:
enum fk_match_opt { FK_MATCH_UNDEF, FK_MATCH_FULL,
FK_MATCH_PARTIAL, FK_MATCH_SIMPLE};
enum fk_option { FK_OPTION_UNDEF, FK_OPTION_RESTRICT, FK_OPTION_CASCADE,
FK_OPTION_SET_NULL, FK_OPTION_NO_ACTION, FK_OPTION_DEFAULT};
Table_ident *ref_table;
List<key_part_spec> ref_columns;
uint delete_opt, update_opt, match_opt;
foreign_key(const char *name_arg, List<key_part_spec> &cols,
Table_ident *table, List<key_part_spec> &ref_cols,
uint delete_opt_arg, uint update_opt_arg, uint match_opt_arg)
:Key(FOREIGN_KEY, name_arg, HA_KEY_ALG_UNDEF, cols),
ref_table(table), ref_columns(cols),
delete_opt(delete_opt_arg), update_opt(update_opt_arg),
match_opt(match_opt_arg)
{}
};
typedef struct st_mysql_lock
{
@ -247,8 +270,8 @@ public:
#include "sql_lex.h" /* Must be here */
// needed to be able to have an I_List of char* strings.in mysqld.cc where we cannot use String
// because it is Sql_alloc'ed
/* Needed to be able to have an I_List of char* strings in mysqld.cc. */
class i_string: public ilink
{
public:
@ -257,7 +280,7 @@ public:
i_string(char* s) : ptr(s) {}
};
//needed for linked list of two strings for replicate-rewrite-db
/* needed for linked list of two strings for replicate-rewrite-db */
class i_string_pair: public ilink
{
public:
@ -275,39 +298,42 @@ class delayed_insert;
#define THD_CHECK_SENTRY(thd) DBUG_ASSERT(thd->dbug_sentry == THD_SENTRY_MAGIC)
/* For each client connection we create a separate thread with THD serving as
a thread/connection descriptor */
/*
For each client connection we create a separate thread with THD serving as
a thread/connection descriptor.
*/
class THD :public ilink {
public:
NET net; // client connection descriptor
LEX lex; // parse tree descriptor
MEM_ROOT mem_root; // 1 command-life memory allocation pool
HASH user_vars; // hash for user variables
String packet; // dynamic string buffer used for network I/O
struct sockaddr_in remote; // client socket address
struct rand_struct rand; // used for authentication
NET net; // client connection descriptor
LEX lex; // parse tree descriptor
MEM_ROOT mem_root; // 1 command-life memory
HASH user_vars; // hash for user variables
String packet; // buffer used for network I/O
struct sockaddr_in remote; // client socket address
struct rand_struct rand; // used for authentication
/* query points to the current query,
thread_stack is a pointer to the stack frame of handle_one_connection(),
which is called first in the thread for handling a client
*/
/*
Query points to the current query,
thread_stack is a pointer to the stack frame of handle_one_connection(),
which is called first in the thread for handling a client
*/
char *query,*thread_stack;
/*
host - host of the client
user - user of the client, set to NULL until the user has been read from
the connection
priv_user - not sure why we have it, but it is set to "boot" when we run
with --bootstrap
priv_user - The user privilege we are using. May be '' for anonymous user.
db - currently selected database
ip - client IP
*/
char *host,*user,*priv_user,*db,*ip;
/* proc_info points to a string that will show in the Info column of
SHOW PROCESSLIST output
host_or_ip points to host if host is available, otherwise points to ip
*/
/*
Proc_info points to a string that will show in the Info column of
SHOW PROCESSLIST output
host_or_ip points to host if host is available, otherwise points to ip
*/
const char *proc_info, *host_or_ip;
/*
@ -334,7 +360,8 @@ public:
*/
TABLE *open_tables,*temporary_tables, *handler_tables;
// TODO: document the variables below
MYSQL_LOCK *lock,*locked_tables;
MYSQL_LOCK *lock; /* Current locks */
MYSQL_LOCK *locked_tables; /* Tables locked with LOCK */
ULL *ull;
#ifndef DBUG_OFF
uint dbug_sentry; // watch out for memory corruption
@ -538,7 +565,7 @@ public:
#include "log_event.h"
/*
** This is used to get result from a select
This is used to get result from a select
*/
class JOIN;
@ -787,7 +814,6 @@ public:
class multi_update : public select_result {
TABLE_LIST *update_tables, *table_being_updated;
// Unique **tempfiles;
COPY_INFO *infos;
TABLE **tmp_tables;
THD *thd;