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Commit 62dacf08 authored by konstantin@mysql.com's avatar konstantin@mysql.com
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Manual merge (4.1->5.0)

parents ad223c9c dcb0e65d
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Showing with 106 additions and 47 deletions
mysql-test/r/ps_grant.result
View file @ 62dacf08
......@@ -90,5 +90,5 @@ drop user drop_user@localhost;
prepare stmt4 from ' show full processlist ';
execute stmt4;
Id User Host db Command Time State Info
number root localhost test Query time NULL show full processlist
number root localhost test Execute time NULL show full processlist
deallocate prepare stmt4;
sql/mysqld.cc
View file @ 62dacf08
......@@ -326,6 +326,7 @@ ulong opt_ndb_nodeid;
my_bool opt_readonly, use_temp_pool, relay_log_purge;
my_bool opt_sync_frm, opt_allow_suspicious_udfs;
my_bool opt_secure_auth= 0;
my_bool opt_log_slow_admin_statements= 0;
my_bool lower_case_file_system= 0;
my_bool opt_large_pages= 0;
uint opt_large_page_size= 0;
......@@ -4333,7 +4334,8 @@ enum options_mysqld
OPT_AUTO_INCREMENT, OPT_AUTO_INCREMENT_OFFSET,
OPT_ENABLE_LARGE_PAGES,
OPT_TIMED_MUTEXES,
OPT_OLD_STYLE_USER_LIMITS
OPT_OLD_STYLE_USER_LIMITS,
OPT_LOG_SLOW_ADMIN_STATEMENTS
};
......@@ -4658,7 +4660,7 @@ Disable with --skip-innodb-doublewrite.", (gptr*) &innobase_use_doublewrite,
"Log some extra information to update log. Please note that this option is deprecated; see --log-short-format option.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"log-queries-not-using-indexes", OPT_LOG_QUERIES_NOT_USING_INDEXES,
"Log queries that are executed without benefit of any index.",
"Log queries that are executed without benefit of any index to the slow log if it is open.",
(gptr*) &opt_log_queries_not_using_indexes, (gptr*) &opt_log_queries_not_using_indexes,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"log-short-format", OPT_SHORT_LOG_FORMAT,
......@@ -4669,8 +4671,13 @@ Disable with --skip-innodb-doublewrite.", (gptr*) &innobase_use_doublewrite,
"Tells the slave to log the updates from the slave thread to the binary log. You will need to turn it on if you plan to daisy-chain the slaves.",
(gptr*) &opt_log_slave_updates, (gptr*) &opt_log_slave_updates, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"log-slow-admin-statements", OPT_LOG_SLOW_ADMIN_STATEMENTS,
"Log slow OPTIMIZE, ANALYZE, ALTER and other administrative statements to the slow log if it is open.",
(gptr*) &opt_log_slow_admin_statements,
(gptr*) &opt_log_slow_admin_statements,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"log-slow-queries", OPT_SLOW_QUERY_LOG,
"Log slow queries to this log file. Defaults logging to hostname-slow.log file.",
"Log slow queries to this log file. Defaults logging to hostname-slow.log file. Must be enabled to activate other slow log options.",
(gptr*) &opt_slow_logname, (gptr*) &opt_slow_logname, 0, GET_STR, OPT_ARG,
0, 0, 0, 0, 0, 0},
{"log-tc", OPT_LOG_TC,
......@@ -5718,6 +5725,12 @@ struct show_var_st status_vars[]= {
{"Com_show_warnings", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_WARNS]), SHOW_LONG_STATUS},
{"Com_slave_start", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SLAVE_START]), SHOW_LONG_STATUS},
{"Com_slave_stop", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SLAVE_STOP]), SHOW_LONG_STATUS},
{"Com_stmt_prepare", (char*) offsetof(STATUS_VAR, com_stmt_prepare), SHOW_LONG},
{"Com_stmt_execute", (char*) offsetof(STATUS_VAR, com_stmt_execute), SHOW_LONG},
{"Com_stmt_fetch", (char*) offsetof(STATUS_VAR, com_stmt_fetch), SHOW_LONG},
{"Com_stmt_send_long_data", (char*) offsetof(STATUS_VAR, com_stmt_send_long_data), SHOW_LONG},
{"Com_stmt_reset", (char*) offsetof(STATUS_VAR, com_stmt_reset), SHOW_LONG},
{"Com_stmt_close", (char*) offsetof(STATUS_VAR, com_stmt_close), SHOW_LONG},
{"Com_truncate", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_TRUNCATE]), SHOW_LONG_STATUS},
{"Com_unlock_tables", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UNLOCK_TABLES]), SHOW_LONG_STATUS},
{"Com_update", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UPDATE]), SHOW_LONG_STATUS},
......@@ -6345,6 +6358,9 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
case (int) OPT_SLOW_QUERY_LOG:
opt_slow_log=1;
break;
case (int) OPT_LOG_SLOW_ADMIN_STATEMENTS:
opt_log_slow_admin_statements= 1;
break;
case (int) OPT_SKIP_NEW:
opt_specialflag|= SPECIAL_NO_NEW_FUNC;
delay_key_write_options= (uint) DELAY_KEY_WRITE_NONE;
......@@ -6733,6 +6749,9 @@ static void get_options(int argc,char **argv)
if (opt_bdb)
sql_print_warning("this binary does not contain BDB storage engine");
#endif
if ((opt_log_slow_admin_statements || opt_log_queries_not_using_indexes) &&
!opt_slow_log)
sql_print_warning("options --log-slow-admin-statements and --log-queries-not-using-indexes have no effect if --log-slow-queries is not set");
/*
Check that the default storage engine is actually available.
......
sql/sql_class.h
View file @ 62dacf08
......@@ -631,6 +631,13 @@ typedef struct system_status_var
ulong filesort_range_count;
ulong filesort_rows;
ulong filesort_scan_count;
/* Ppepared statements and binary protocol */
ulong com_stmt_prepare;
ulong com_stmt_execute;
ulong com_stmt_send_long_data;
ulong com_stmt_fetch;
ulong com_stmt_reset;
ulong com_stmt_close;
double last_query_cost;
} STATUS_VAR;
......@@ -1186,7 +1193,7 @@ class THD :public ilink,
bool query_error, bootstrap, cleanup_done;
bool tmp_table_used;
bool charset_is_system_charset, charset_is_collation_connection;
bool slow_command;
bool enable_slow_log; /* enable slow log for current statement */
bool no_trans_update, abort_on_warning;
bool got_warning; /* Set on call to push_warning() */
bool no_warnings_for_error; /* no warnings on call to my_error() */
......
sql/sql_parse.cc
View file @ 62dacf08
......@@ -71,7 +71,6 @@ static void remove_escape(char *name);
static void refresh_status(void);
static bool append_file_to_dir(THD *thd, const char **filename_ptr,
const char *table_name);
static void log_slow_query(THD *thd);
const char *any_db="*any*"; // Special symbol for check_access
......@@ -1508,10 +1507,10 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
thd->command=command;
/*
Commands which will always take a long time should be marked with
this so that they will not get logged to the slow query log
Commands which always take a long time are logged into
the slow log only if opt_log_slow_admin_statements is set.
*/
thd->slow_command=FALSE;
thd->enable_slow_log= TRUE;
thd->lex->sql_command= SQLCOM_END; /* to avoid confusing VIEW detectors */
thd->set_time();
VOID(pthread_mutex_lock(&LOCK_thread_count));
......@@ -1551,7 +1550,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
uint tbl_len= *(uchar*) (packet + db_len + 1);
statistic_increment(thd->status_var.com_other, &LOCK_status);
thd->slow_command= TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
db= thd->alloc(db_len + tbl_len + 2);
tbl_name= strmake(db, packet + 1, db_len)+1;
strmake(tbl_name, packet + db_len + 2, tbl_len);
......@@ -1689,7 +1688,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
#endif
ulong length= (ulong)(packet_end-packet);
log_slow_query(thd);
log_slow_statement(thd);
/* Remove garbage at start of query */
while (my_isspace(thd->charset(), *packet) && length > 0)
......@@ -1858,7 +1857,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
uint32 slave_server_id;
statistic_increment(thd->status_var.com_other,&LOCK_status);
thd->slow_command = TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
if (check_global_access(thd, REPL_SLAVE_ACL))
break;
......@@ -2043,7 +2042,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
if (thd->net.report_error)
net_send_error(thd);
log_slow_query(thd);
log_slow_statement(thd);
thd->proc_info="cleaning up";
VOID(pthread_mutex_lock(&LOCK_thread_count)); // For process list
......@@ -2059,13 +2058,16 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
}
static void log_slow_query(THD *thd)
void log_slow_statement(THD *thd)
{
time_t start_of_query=thd->start_time;
thd->end_time(); // Set start time
/* If not reading from backup and if the query took too long */
if (!thd->slow_command && !thd->user_time) // do not log 'slow_command' queries
/*
Do not log administrative statements unless the appropriate option is
set; do not log into slow log if reading from backup.
*/
if (thd->enable_slow_log && !thd->user_time)
{
thd->proc_info="logging slow query";
......@@ -2520,6 +2522,8 @@ mysql_execute_command(THD *thd)
DBUG_PRINT("info", ("DEALLOCATE PREPARE: %.*s\n",
lex->prepared_stmt_name.length,
lex->prepared_stmt_name.str));
/* We account deallocate in the same manner as mysql_stmt_close */
statistic_increment(com_stmt_close, &LOCK_status);
if ((stmt= thd->stmt_map.find_by_name(&lex->prepared_stmt_name)))
{
thd->stmt_map.erase(stmt);
......@@ -2637,7 +2641,7 @@ mysql_execute_command(THD *thd)
check_table_access(thd, SELECT_ACL, all_tables, 0) ||
check_global_access(thd, FILE_ACL))
goto error; /* purecov: inspected */
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
res = mysql_backup_table(thd, first_table);
break;
......@@ -2649,7 +2653,7 @@ mysql_execute_command(THD *thd)
check_table_access(thd, INSERT_ACL, all_tables, 0) ||
check_global_access(thd, FILE_ACL))
goto error; /* purecov: inspected */
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
res = mysql_restore_table(thd, first_table);
break;
}
......@@ -2920,7 +2924,7 @@ mysql_execute_command(THD *thd)
DBUG_ASSERT(first_table == all_tables && first_table != 0);
if (check_one_table_access(thd, INDEX_ACL, all_tables))
goto error; /* purecov: inspected */
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
if (end_active_trans(thd))
goto error;
else
......@@ -3009,7 +3013,7 @@ mysql_execute_command(THD *thd)
goto error;
else
{
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
res= mysql_alter_table(thd, select_lex->db, lex->name,
&lex->create_info,
first_table, lex->create_list,
......@@ -3108,7 +3112,7 @@ mysql_execute_command(THD *thd)
if (check_db_used(thd, all_tables) ||
check_table_access(thd, SELECT_ACL | INSERT_ACL, all_tables, 0))
goto error; /* purecov: inspected */
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
res= mysql_repair_table(thd, first_table, &lex->check_opt);
/* ! we write after unlocking the table */
if (!res && !lex->no_write_to_binlog)
......@@ -3128,7 +3132,7 @@ mysql_execute_command(THD *thd)
if (check_db_used(thd, all_tables) ||
check_table_access(thd, SELECT_ACL | EXTRA_ACL , all_tables, 0))
goto error; /* purecov: inspected */
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
res = mysql_check_table(thd, first_table, &lex->check_opt);
break;
}
......@@ -3138,7 +3142,7 @@ mysql_execute_command(THD *thd)
if (check_db_used(thd, all_tables) ||
check_table_access(thd, SELECT_ACL | INSERT_ACL, all_tables, 0))
goto error; /* purecov: inspected */
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
res = mysql_analyze_table(thd, first_table, &lex->check_opt);
/* ! we write after unlocking the table */
if (!res && !lex->no_write_to_binlog)
......@@ -3159,7 +3163,7 @@ mysql_execute_command(THD *thd)
if (check_db_used(thd, all_tables) ||
check_table_access(thd, SELECT_ACL | INSERT_ACL, all_tables, 0))
goto error; /* purecov: inspected */
thd->slow_command=TRUE;
thd->enable_slow_log= opt_log_slow_admin_statements;
res= (specialflag & (SPECIAL_SAFE_MODE | SPECIAL_NO_NEW_FUNC)) ?
mysql_recreate_table(thd, first_table, 1) :
mysql_optimize_table(thd, first_table, &lex->check_opt);
......
sql/sql_prepare.cc
View file @ 62dacf08
......@@ -839,7 +839,8 @@ static bool insert_params_from_vars_with_log(Prepared_statement *stmt,
DBUG_ENTER("insert_params_from_vars");
List_iterator<LEX_STRING> var_it(varnames);
String str;
String buf;
const String *val;
uint32 length= 0;
if (query->copy(stmt->query, stmt->query_length, default_charset_info))
DBUG_RETURN(1);
......@@ -850,32 +851,36 @@ static bool insert_params_from_vars_with_log(Prepared_statement *stmt,
varname= var_it++;
if (get_var_with_binlog(stmt->thd, *varname, &entry))
DBUG_RETURN(1);
DBUG_ASSERT(entry != 0);
if (param->set_from_user_var(stmt->thd, entry))
DBUG_RETURN(1);
/* Insert @'escaped-varname' instead of parameter in the query */
char *buf, *ptr;
str.length(0);
if (str.reserve(entry->name.length*2+3))
DBUG_RETURN(1);
if (entry)
{
char *begin, *ptr;
buf.length(0);
if (buf.reserve(entry->name.length*2+3))
DBUG_RETURN(1);
buf= str.c_ptr_quick();
ptr= buf;
*ptr++= '@';
*ptr++= '\'';
ptr+=
escape_string_for_mysql(&my_charset_utf8_general_ci,
ptr, 0, entry->name.str, entry->name.length);
*ptr++= '\'';
str.length(ptr - buf);
begin= ptr= buf.c_ptr_quick();
*ptr++= '@';
*ptr++= '\'';
ptr+= escape_string_for_mysql(&my_charset_utf8_general_ci,
ptr, 0, entry->name.str,
entry->name.length);
*ptr++= '\'';
buf.length(ptr - begin);
val= &buf;
}
else
val= &my_null_string;
if (param->convert_str_value(stmt->thd))
DBUG_RETURN(1); /* out of memory */
if (query->replace(param->pos_in_query+length, 1, str))
if (query->replace(param->pos_in_query+length, 1, *val))
DBUG_RETURN(1);
length+= str.length()-1;
length+= val->length()-1;
}
DBUG_RETURN(0);
}
......@@ -1706,6 +1711,13 @@ bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length,
DBUG_PRINT("prep_query", ("%s", packet));
/*
If this is an SQLCOM_PREPARE, we also increase Com_prepare_sql.
However, it seems handy if com_stmt_prepare is increased always,
no matter what kind of prepare is processed.
*/
statistic_increment(com_stmt_prepare, &LOCK_status);
if (stmt == 0)
DBUG_RETURN(TRUE);
......@@ -1738,7 +1750,7 @@ bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length,
DBUG_RETURN(TRUE);
}
mysql_log.write(thd, COM_PREPARE, "[%lu] %s", stmt->id, packet);
mysql_log.write(thd, thd->command, "[%lu] %s", stmt->id, packet);
thd->current_arena= stmt;
mysql_init_query(thd, (uchar *) thd->query, thd->query_length);
......@@ -1950,6 +1962,7 @@ void mysql_stmt_execute(THD *thd, char *packet, uint packet_length)
packet+= 9; /* stmt_id + 5 bytes of flags */
statistic_increment(com_stmt_execute, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_execute")))
DBUG_VOID_RETURN;
......@@ -2024,10 +2037,7 @@ void mysql_stmt_execute(THD *thd, char *packet, uint packet_length)
my_error(ER_OUTOFMEMORY, 0, expanded_query.length());
goto err;
}
mysql_log.write(thd, COM_EXECUTE, "[%lu] %s", stmt->id,
expanded_query.length() ? expanded_query.c_ptr() :
stmt->query);
mysql_log.write(thd, thd->command, "[%lu] %s", stmt->id, thd->query);
thd->protocol= &thd->protocol_prep; // Switch to binary protocol
if (!(specialflag & SPECIAL_NO_PRIOR))
......@@ -2081,6 +2091,8 @@ void mysql_sql_stmt_execute(THD *thd, LEX_STRING *stmt_name)
DBUG_ENTER("mysql_sql_stmt_execute");
DBUG_ASSERT(thd->free_list == NULL);
/* See comment for statistic_increment in mysql_stmt_prepare */
statistic_increment(com_stmt_execute, &LOCK_status);
if (!(stmt= (Prepared_statement*)thd->stmt_map.find_by_name(stmt_name)))
{
......@@ -2105,6 +2117,7 @@ void mysql_sql_stmt_execute(THD *thd, LEX_STRING *stmt_name)
{
my_error(ER_WRONG_ARGUMENTS, MYF(0), "EXECUTE");
}
thd->command= COM_EXECUTE; /* For nice messages in general log */
execute_stmt(thd, stmt, &expanded_query);
DBUG_VOID_RETURN;
}
......@@ -2137,6 +2150,7 @@ static void execute_stmt(THD *thd, Prepared_statement *stmt,
my_error(ER_OUTOFMEMORY, MYF(0), expanded_query->length());
DBUG_VOID_RETURN;
}
mysql_log.write(thd, thd->command, "[%lu] %s", stmt->id, thd->query);
/*
At first execution of prepared statement we will perform logical
transformations of the query tree (i.e. negations elimination).
......@@ -2149,6 +2163,14 @@ static void execute_stmt(THD *thd, Prepared_statement *stmt,
mysql_execute_command(thd);
if (!(specialflag & SPECIAL_NO_PRIOR))
my_pthread_setprio(pthread_self(), WAIT_PRIOR);
/*
'start_time' is set in dispatch_command, but THD::query will
be freed when we return from this function. So let's log the slow
query here.
*/
log_slow_statement(thd);
/* Prevent from second logging in the end of dispatch_command */
thd->enable_slow_log= FALSE;
close_thread_tables(thd); // to close derived tables
cleanup_stmt_and_thd_after_use(stmt, thd);
......@@ -2180,6 +2202,7 @@ void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length)
Prepared_statement *stmt;
DBUG_ENTER("mysql_stmt_fetch");
statistic_increment(com_stmt_fetch, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_fetch")))
DBUG_VOID_RETURN;
......@@ -2240,6 +2263,7 @@ void mysql_stmt_reset(THD *thd, char *packet)
Prepared_statement *stmt;
DBUG_ENTER("mysql_stmt_reset");
statistic_increment(com_stmt_reset, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_reset")))
DBUG_VOID_RETURN;
......@@ -2274,6 +2298,7 @@ void mysql_stmt_free(THD *thd, char *packet)
DBUG_ENTER("mysql_stmt_free");
statistic_increment(com_stmt_close, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_close")))
DBUG_VOID_RETURN;
......@@ -2312,6 +2337,7 @@ void mysql_stmt_get_longdata(THD *thd, char *packet, ulong packet_length)
DBUG_ENTER("mysql_stmt_get_longdata");
statistic_increment(com_stmt_send_long_data, &LOCK_status);
#ifndef EMBEDDED_LIBRARY
/* Minimal size of long data packet is 6 bytes */
if ((ulong) (packet_end - packet) < MYSQL_LONG_DATA_HEADER)
......@@ -2368,10 +2394,12 @@ Prepared_statement::Prepared_statement(THD *thd_arg)
*last_error= '\0';
}
void Prepared_statement::setup_set_params()
{
/* Setup binary logging */
if (mysql_bin_log.is_open() && is_update_query(lex->sql_command))
if (mysql_bin_log.is_open() && is_update_query(lex->sql_command) ||
mysql_log.is_open() || mysql_slow_log.is_open())
{
set_params_from_vars= insert_params_from_vars_with_log;
#ifndef EMBEDDED_LIBRARY
......@@ -2392,6 +2420,7 @@ void Prepared_statement::setup_set_params()
}
Prepared_statement::~Prepared_statement()
{
if (cursor)
......
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