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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

Update of query cache code.

Changed some sql_alloc() -> thd->alloc()
Removed a lot of compiler warnings on Linux Alpha (64 bit)
Fixed some core dumps on 64 bit systems (wrong type for packet_len)


Docs/manual.texi:
  Added base information about the query cache.
include/hash.h:
  Export hash_replace
include/myisam.h:
  Update of query cache code
libmysql/net.c:
  Add casts to make things safe on 64 bit systems.
myisam/mi_write.c:
  Update of query cache code
myisammrg/myrg_extra.c:
  Update of query cache code
mysys/hash.c:
  Added safety check to hash_replace
sql/field.cc:
  Removed compiler warnings.
sql/field.h:
  Removed compiler warnings
sql/ha_myisam.cc:
  Fixed wrong type of packet_len
sql/item.h:
  Remove warnings
sql/log_event.cc:
  Cleanup
sql/log_event.h:
  Cleanup to make code more readable
sql/mf_iocache.cc:
  Fixed wrong type
sql/mysql_priv.h:
  Update of query cache code
sql/mysqld.cc:
  Update of query cache code
sql/net_serv.cc:
  Remove compiler warnings
sql/opt_range.h:
  Remove compiler warnings
sql/sql_cache.cc:
  Update of query cache code
sql/sql_cache.h:
  Update of query cache code
sql/sql_class.h:
  Cleanup
sql/sql_insert.cc:
  Use thd->alloc() instead of sql_alloc()
sql/sql_parse.cc:
  Fixed compiler warnings.
  Changed some sql_alloc() -> thd->alloc()
sql/sql_select.cc:
  Changed sql_alloc() -> thd_alloc()
sql/sql_select.h:
  Faster alloc()
sql/sql_show.cc:
  Update of query cache code
sql/sql_table.cc:
  Faster alloc()
sql/table.cc:
  Faster alloc()
This commit is contained in:
unknown
2001-12-05 13:03:00 +02:00
parent 7c999bb032
commit eca2a1a3dc
28 changed files with 2208 additions and 1953 deletions

View File

@ -236,35 +236,35 @@ class delayed_insert;
class THD :public ilink {
public:
NET net;
LEX lex;
MEM_ROOT mem_root;
HASH user_vars;
String packet; /* Room for 1 row */
struct sockaddr_in remote;
struct rand_struct rand;
char *query,*thread_stack;
char *host,*user,*priv_user,*db,*ip;
const char *proc_info, *host_or_ip;
uint client_capabilities,sql_mode,max_packet_length;
uint master_access,db_access;
TABLE *open_tables,*temporary_tables, *handler_tables;
NET net;
LEX lex;
MEM_ROOT mem_root;
HASH user_vars;
String packet; /* Room for 1 row */
struct sockaddr_in remote;
struct rand_struct rand;
char *query,*thread_stack;
char *host,*user,*priv_user,*db,*ip;
const char *proc_info, *host_or_ip;
uint client_capabilities,sql_mode,max_packet_length;
uint master_access,db_access;
TABLE *open_tables,*temporary_tables, *handler_tables;
MYSQL_LOCK *lock,*locked_tables;
ULL *ull;
ULL *ull;
struct st_my_thread_var *mysys_var;
enum enum_server_command command;
uint32 server_id;
uint32 log_seq;
uint32 file_id; // for LOAD DATA INFILE
uint32 server_id;
uint32 log_seq;
uint32 file_id; // for LOAD DATA INFILE
const char *where;
time_t start_time,time_after_lock,user_time;
time_t connect_time,thr_create_time; // track down slow pthread_create
time_t start_time,time_after_lock,user_time;
time_t connect_time,thr_create_time; // track down slow pthread_create
thr_lock_type update_lock_default;
delayed_insert *di;
struct st_transactions {
IO_CACHE trans_log;
THD_TRANS all; /* Trans since BEGIN WORK */
THD_TRANS stmt; /* Trans for current statement */
THD_TRANS all; // Trans since BEGIN WORK
THD_TRANS stmt; // Trans for current statement
uint bdb_lock_count;
} transaction;
Item *free_list, *handler_items;
@ -277,17 +277,20 @@ public:
Vio* active_vio;
pthread_mutex_t active_vio_lock;
#endif
ulonglong next_insert_id,last_insert_id,current_insert_id, limit_found_rows;
ha_rows select_limit,offset_limit,default_select_limit,cuted_fields,
max_join_size, sent_row_count, examined_row_count;
table_map used_tables;
ulong query_id,version, inactive_timeout,options,thread_id;
long dbug_thread_id;
ulonglong next_insert_id,last_insert_id,current_insert_id,
limit_found_rows;
ha_rows select_limit,offset_limit,default_select_limit,cuted_fields,
max_join_size, sent_row_count, examined_row_count;
table_map used_tables;
ulong query_id,version, inactive_timeout,options,thread_id;
long dbug_thread_id;
pthread_t real_id;
uint current_tablenr,tmp_table,cond_count,col_access,query_length;
uint server_status,open_options;
uint current_tablenr,tmp_table,cond_count,col_access;
uint server_status,open_options;
uint32 query_length;
enum_tx_isolation tx_isolation, session_tx_isolation;
char scramble[9];
uint8 query_cache_type; // type of query cache processing
bool slave_thread;
bool set_query_id,locked,count_cuted_fields,some_tables_deleted;
bool no_errors, allow_sum_func, password, fatal_error;
@ -296,18 +299,18 @@ public:
bool query_error, bootstrap, cleanup_done;
bool safe_to_cache_query;
bool volatile killed;
//type of query cache processing
byte query_cache_type;
/*
If we do a purge of binary logs, log index info of the threads
that are currently reading it needs to be adjusted. To do that
each thread that is using LOG_INFO needs to adjust the pointer to it
*/
LOG_INFO* current_linfo;
// if we do a purge of binary logs, log index info of the threads
// that are currently reading it needs to be adjusted. To do that
// each thread that is using LOG_INFO needs to adjust the pointer to it
ulong slave_proxy_id; // in slave thread we need to know in behalf of which
// thread the query is being run to replicate temp tables properly
NET* slave_net; // network connection from slave to master
/*
In slave thread we need to know in behalf of which
thread the query is being run to replicate temp tables properly
*/
ulong slave_proxy_id;
NET* slave_net; // network connection from slave -> m.
THD();
~THD();
void cleanup(void);