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Commit 9d5bf35d authored by unknown's avatar unknown
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Fix the coding style in a few new files.

parent cbe0db42
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Showing with 263 additions and 259 deletions
sql/event_timed.cc
View file @ 9d5bf35d
......@@ -132,11 +132,11 @@ event_timed::init_body(THD *thd)
event_timed::init_execute_at()
expr when (datetime)
RETURNS
0 - OK
EVEX_PARSE_ERROR - fix_fields failed
EVEX_BAD_PARAMS - datetime is in the past
ER_WRONG_VALUE - wrong value for execute at
RETURN VALUE
0 OK
EVEX_PARSE_ERROR fix_fields failed
EVEX_BAD_PARAMS datetime is in the past
ER_WRONG_VALUE wrong value for execute at
*/
int
......@@ -152,7 +152,7 @@ event_timed::init_execute_at(THD *thd, Item *expr)
if (expr->fix_fields(thd, &expr))
DBUG_RETURN(EVEX_PARSE_ERROR);
// let's check whether time is in the past
/* Let's check whether time is in the past */
thd->variables.time_zone->gmt_sec_to_TIME(&time_tmp,
(my_time_t) thd->query_start());
......@@ -166,8 +166,8 @@ event_timed::init_execute_at(THD *thd, Item *expr)
/*
This may result in a 1970-01-01 date if ltime is > 2037-xx-xx
CONVERT_TZ has similar problem
This may result in a 1970-01-01 date if ltime is > 2037-xx-xx.
CONVERT_TZ has similar problem.
*/
my_tz_UTC->gmt_sec_to_TIME(&ltime, TIME_to_timestamp(thd,&ltime, &not_used));
......@@ -186,9 +186,9 @@ event_timed::init_execute_at(THD *thd, Item *expr)
new_interval what is the interval
RETURNS
0 - OK
EVEX_PARSE_ERROR - fix_fields failed
EVEX_BAD_PARAMS - Interval is not positive
0 OK
EVEX_PARSE_ERROR fix_fields failed
EVEX_BAD_PARAMS Interval is not positive
*/
int
......@@ -288,8 +288,8 @@ event_timed::init_interval(THD *thd, Item *expr, interval_type new_interval)
same time.
RETURNS
0 - OK
EVEX_PARSE_ERROR - fix_fields failed
0 OK
EVEX_PARSE_ERROR fix_fields failed
*/
int
......@@ -306,7 +306,7 @@ event_timed::init_starts(THD *thd, Item *new_starts)
if ((not_used= new_starts->get_date(&ltime, TIME_NO_ZERO_DATE)))
DBUG_RETURN(EVEX_BAD_PARAMS);
// let's check whether time is in the past
/* Let's check whether time is in the past */
thd->variables.time_zone->gmt_sec_to_TIME(&time_tmp,
(my_time_t) thd->query_start());
......@@ -344,9 +344,9 @@ event_timed::init_starts(THD *thd, Item *new_starts)
same time.
RETURNS
0 - OK
EVEX_PARSE_ERROR - fix_fields failed
EVEX_BAD_PARAMS - ENDS before STARTS
0 OK
EVEX_PARSE_ERROR fix_fields failed
EVEX_BAD_PARAMS ENDS before STARTS
*/
int
......@@ -361,13 +361,13 @@ event_timed::init_ends(THD *thd, Item *new_ends)
if (new_ends->fix_fields(thd, &new_ends))
DBUG_RETURN(EVEX_PARSE_ERROR);
// the field was already fixed in init_ends
/* The field was already fixed in init_ends */
if ((not_used= new_ends->get_date(&ltime, TIME_NO_ZERO_DATE)))
DBUG_RETURN(EVEX_BAD_PARAMS);
/*
This may result in a 1970-01-01 date if ltime is > 2037-xx-xx
CONVERT_TZ has similar problem
This may result in a 1970-01-01 date if ltime is > 2037-xx-xx.
CONVERT_TZ has similar problem.
*/
my_tz_UTC->gmt_sec_to_TIME(&ltime, TIME_to_timestamp(thd, &ltime, &not_used));
......@@ -401,8 +401,7 @@ event_timed::init_comment(THD *thd, LEX_STRING *set_comment)
/*
Inits definer (definer_user and definer_host) during
parsing.
Inits definer (definer_user and definer_host) during parsing.
SYNOPSIS
event_timed::init_definer()
......@@ -439,7 +438,7 @@ event_timed::init_definer(THD *thd)
SYNOPSIS
event_timed::load_from_row(MEM_ROOT *mem_root, TABLE *table)
REMARKS
NOTES
This method is silent on errors and should behave like that. Callers
should handle throwing of error messages. The reason is that the class
should not know about how to deal with communication.
......@@ -583,11 +582,10 @@ event_timed::load_from_row(MEM_ROOT *mem_root, TABLE *table)
SYNOPSIS
get_next_time(TIME *start, int interval_value, interval_type interval)
next - the sum
start - add interval_value to this time
i_value - quantity of time type interval to add
i_type - type of interval to add (SECOND, MINUTE, HOUR, WEEK ...)
next the sum
start add interval_value to this time
i_value quantity of time type interval to add
i_type type of interval to add (SECOND, MINUTE, HOUR, WEEK ...)
*/
static
......@@ -653,7 +651,7 @@ bool get_next_time(TIME *next, TIME *start, int i_value, interval_type i_type)
SYNOPSIS
event_timed::compute_next_execution_time()
REMARKS:
NOTES
The time is set in execute_at, if no more executions the latter is set to
0000-00-00.
*/
......@@ -673,10 +671,10 @@ event_timed::compute_next_execution_time()
("Event %s is DISABLED", name.str));
goto ret;
}
//if one-time no need to do computation
/* If one-time, no need to do computation */
if (!expression)
{
//let's check whether it was executed
/* Let's check whether it was executed */
if (last_executed.year)
{
DBUG_PRINT("compute_next_execution_time",
......@@ -712,10 +710,10 @@ event_timed::compute_next_execution_time()
last_executed.second);
#endif
//if time_now is after ends don't execute anymore
/* If time_now is after ends don't execute anymore */
if (ends.year && (tmp= my_time_compare(&ends, &time_now)) == -1)
{
// time_now is after ends. don't execute anymore
/* time_now is after ends. don't execute anymore */
set_zero_time(&execute_at, MYSQL_TIMESTAMP_DATETIME);
if (on_completion == MYSQL_EVENT_ON_COMPLETION_DROP)
dropped= true;
......@@ -728,7 +726,7 @@ event_timed::compute_next_execution_time()
/*
Here time_now is before or equals ends if the latter is set.
Let's check whether time_now is before starts.
If so schedule for starts
If so schedule for starts.
*/
if (starts.year && (tmp= my_time_compare(&time_now, &starts)) < 1)
{
......@@ -767,10 +765,10 @@ event_timed::compute_next_execution_time()
if (get_next_time(&next_exec, &last_executed, expression, interval))
goto err;
// There was previous execution
/* There was previous execution */
if (my_time_compare(&ends, &next_exec) == -1)
{
// Next execution after ends. No more executions
/* Next execution after ends. No more executions */
set_zero_time(&execute_at, MYSQL_TIMESTAMP_DATETIME);
if (on_completion == MYSQL_EVENT_ON_COMPLETION_DROP)
dropped= true;
......@@ -782,20 +780,24 @@ event_timed::compute_next_execution_time()
}
else if (!starts.year && !ends.year)
{
// both starts and m_ends are not set, se we schedule for the next
// based on last_executed
/*
Both starts and m_ends are not set, so we schedule for the next
based on last_executed.
*/
if (last_executed.year)
{
if (get_next_time(&execute_at, &last_executed, expression, interval))
goto err;
}
else
//last_executed not set. Schedule the event for now
{
/* last_executed not set. Schedule the event for now */
execute_at= time_now;
}
}
else
{
//either starts or m_ends is set
/* Either starts or m_ends is set */
if (starts.year)
{
/*
......@@ -854,9 +856,9 @@ event_timed::compute_next_execution_time()
Set the internal last_executed TIME struct to now. NOW is the
time according to thd->query_start(), so the THD's clock.
Synopsis
SYNOPSIS
event_timed::drop()
thd - thread context
thd thread context
*/
void
......@@ -878,16 +880,16 @@ event_timed::mark_last_executed(THD *thd)
/*
Drops the event
Synopsis
SYNOPSIS
event_timed::drop()
thd - thread context
thd thread context
RETURNS :
0 - OK
-1 - Cannot open mysql.event
-2 - Cannot find the event in mysql.event (already deleted?)
RETURN VALUE
0 OK
-1 Cannot open mysql.event
-2 Cannot find the event in mysql.event (already deleted?)
others - return code from SE in case deletion of the event row
others return code from SE in case deletion of the event row
failed.
*/
......@@ -905,17 +907,17 @@ event_timed::drop(THD *thd)
/*
Saves status and last_executed_at to the disk if changed.
Synopsis
SYNOPSIS
event_timed::drop()
thd - thread context
Returns :
0 - OK
SP_OPEN_TABLE_FAILED - Error while opening mysql.event for writing
EVEX_WRITE_ROW_FAILED - On error to write to disk
RETURN VALUE
0 OK
SP_OPEN_TABLE_FAILED Error while opening mysql.event for writing
EVEX_WRITE_ROW_FAILED On error to write to disk
others - return code from SE in case deletion of the event row
failed.
others return code from SE in case deletion of the event
row failed.
*/
bool
......@@ -930,7 +932,7 @@ event_timed::update_fields(THD *thd)
DBUG_PRINT("enter", ("name: %*s", name.length, name.str));
//no need to update if nothing has changed
/* No need to update if nothing has changed */
if (!(status_changed || last_executed_changed))
goto done;
......@@ -947,7 +949,7 @@ event_timed::update_fields(THD *thd)
goto done;
store_record(table,record[1]);
// Don't update create on row update.
/* Don't update create on row update. */
table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET;
if (last_executed_changed)
......@@ -978,12 +980,14 @@ event_timed::update_fields(THD *thd)
/*
Get SHOW CREATE EVENT as string
thd - Thread
buf - String*, should be already allocated. CREATE EVENT goes inside.
SYNOPSIS
event_timed::get_create_event(THD *thd, String *buf)
thd Thread
buf String*, should be already allocated. CREATE EVENT goes inside.
Returns:
0 - OK
1 - Error (for now if mysql.event has been tampered and MICROSECONDS
RETURN VALUE
0 OK
1 Error (for now if mysql.event has been tampered and MICROSECONDS
interval or derivative has been put there.
*/
......@@ -1018,8 +1022,8 @@ event_timed::get_create_event(THD *thd, String *buf)
char dtime_buff[20*2+32];// +32 to make my_snprintf_{8bit|ucs2} happy
buf->append(STRING_WITH_LEN("AT '"));
/*
pass the buffer and the second param tells fills the buffer and returns
the number of chars to copy
Pass the buffer and the second param tells fills the buffer and
returns the number of chars to copy.
*/
buf->append(dtime_buff, my_datetime_to_str(&execute_at, dtime_buff));
buf->append(STRING_WITH_LEN("'"));
......@@ -1055,11 +1059,10 @@ event_timed::get_create_event(THD *thd, String *buf)
thd THD
mem_root If != NULL use it to compile the event on it
Returns
0 - success
-100 - event in execution (parallel execution is impossible)
others - retcodes of sp_head::execute_procedure()
RETURNS
0 success
-100 event in execution (parallel execution is impossible)
others retcodes of sp_head::execute_procedure()
*/
int
......@@ -1107,16 +1110,15 @@ event_timed::execute(THD *thd, MEM_ROOT *mem_root)
Compiles an event before it's execution. Compiles the anonymous
sp_head object held by the event
Synopsis
SYNOPSIS
event_timed::compile()
thd - thread context, used for memory allocation mostly
mem_root - if != NULL then this memory root is used for allocs
thd thread context, used for memory allocation mostly
mem_root if != NULL then this memory root is used for allocs
instead of thd->mem_root
Returns
0 - Success
EVEX_COMPILE_ERROR - Error during compilation
RETURN VALUE
0 success
EVEX_COMPILE_ERROR error during compilation
*/
int
......@@ -1150,7 +1152,7 @@ event_timed::compile(THD *thd, MEM_ROOT *mem_root)
thd->update_charset();
DBUG_ENTER("event_timed::compile");
// change the memory root for the execution time
/* Change the memory root for the execution time */
if (mem_root)
{
tmp_mem_root= thd->mem_root;
......@@ -1174,8 +1176,10 @@ event_timed::compile(THD *thd, MEM_ROOT *mem_root)
{
DBUG_PRINT("error", ("error during compile or thd->is_fatal_error=%d",
thd->is_fatal_error));
// Free lex associated resources
// QQ: Do we really need all this stuff here ?
/*
Free lex associated resources
QQ: Do we really need all this stuff here?
*/
sql_print_error("error during compile of %s.%s or thd->is_fatal_error=%d",
dbname.str, name.str, thd->is_fatal_error);
if (lex.sphead)
......@@ -1192,8 +1196,10 @@ event_timed::compile(THD *thd, MEM_ROOT *mem_root)
sphead= lex.et->sphead;
sphead->m_db= dbname;
//copy also chistics since they will vanish otherwise we get 0x0 pointer
// Todo : Handle sql_mode !!
/*
Ccopy also chistics since they will vanish otherwise we get 0x0 pointer
TODO: Handle sql_mode!!
*/
sphead->set_definer(definer.str, definer.length);
sphead->set_info(0, 0, &lex.sp_chistics, 0/*sql_mode*/);
sphead->optimize();
......@@ -1214,9 +1220,7 @@ event_timed::compile(THD *thd, MEM_ROOT *mem_root)
thd->variables.collation_connection= old_collation_connection;
thd->update_charset();
/*
Change the memory root for the execution time.
*/
/* Change the memory root for the execution time. */
if (mem_root)
thd->mem_root= tmp_mem_root;
......
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