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This is the 3-rd part of patch for BUG#11986:

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remove redundant "body" from Event_parse_data (use sp_head::m_body).
This commit is contained in:
anozdrin/alik@ibm. 2007-06-14 18:49:17 +04:00
parent 1ff91214c6
commit f8be48bb4f
4 changed files with 81 additions and 121 deletions
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155
sql/event_data_objects.cc
View file

@ -94,17 +94,18 @@ Event_parse_data::Event_parse_data()
:on_completion(Event_basic::ON_COMPLETION_DROP),
status(Event_basic::ENABLED),
do_not_create(FALSE),
item_starts(NULL), item_ends(NULL), item_execute_at(NULL),
starts_null(TRUE), ends_null(TRUE), execute_at_null(TRUE),
item_expression(NULL), expression(0)
body_changed(FALSE),
item_starts(NULL), item_ends(NULL), item_execute_at(NULL),
starts_null(TRUE), ends_null(TRUE), execute_at_null(TRUE),
item_expression(NULL), expression(0)
{
DBUG_ENTER("Event_parse_data::Event_parse_data");
/* Actually in the parser STARTS is always set */
starts= ends= execute_at= 0;
body.str= comment.str= NULL;
body.length= comment.length= 0;
comment.str= NULL;
comment.length= 0;
DBUG_VOID_RETURN;
}
@ -137,36 +138,6 @@ Event_parse_data::init_name(THD *thd, sp_name *spn)
}
/*
Set body of the event - what should be executed.
SYNOPSIS
Event_parse_data::init_body()
thd THD
NOTE
The body is extracted by copying all data between the
start of the body set by another method and the current pointer in Lex.
See related code in sp_head::init_strings().
*/
void
Event_parse_data::init_body(THD *thd)
{
DBUG_ENTER("Event_parse_data::init_body");
/* This method is called from within the parser, from sql_yacc.yy */
DBUG_ASSERT(thd->m_lip != NULL);
body.length= thd->m_lip->get_cpp_ptr() - body_begin;
body.str= thd->strmake(body_begin, body.length);
trim_whitespace(thd->charset(), & body);
DBUG_VOID_RETURN;
}
/*
This function is called on CREATE EVENT or ALTER EVENT. When either
ENDS or AT is in the past, we are trying to create an event that
@ -788,36 +759,32 @@ Event_timed::init()
}
/*
Loads an event's body from a row from mysql.event
/**
Load an event's body from a row from mysql.event.
@details 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.
SYNOPSIS
Event_job_data::load_from_row(THD *thd, TABLE *table)
RETURN VALUE
0 OK
EVEX_GET_FIELD_FAILED Error
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.
@return Operation status
@retval FALSE OK
@retval TRUE Error
*/
int
bool
Event_job_data::load_from_row(THD *thd, TABLE *table)
{
char *ptr;
uint len;
LEX_STRING tz_name;
DBUG_ENTER("Event_job_data::load_from_row");
if (!table)
goto error;
DBUG_RETURN(TRUE);
if (table->s->fields < ET_FIELD_COUNT)
goto error;
DBUG_RETURN(TRUE);
LEX_STRING tz_name;
if (load_string_fields(table->field,
ET_FIELD_DB, &dbname,
ET_FIELD_NAME, &name,
@ -825,10 +792,10 @@ Event_job_data::load_from_row(THD *thd, TABLE *table)
ET_FIELD_DEFINER, &definer,
ET_FIELD_TIME_ZONE, &tz_name,
ET_FIELD_COUNT))
goto error;
DBUG_RETURN(TRUE);
if (load_time_zone(thd, tz_name))
goto error;
DBUG_RETURN(TRUE);
ptr= strchr(definer.str, '@');
@ -845,29 +812,23 @@ Event_job_data::load_from_row(THD *thd, TABLE *table)
sql_mode= (ulong) table->field[ET_FIELD_SQL_MODE]->val_int();
DBUG_RETURN(0);
error:
DBUG_RETURN(EVEX_GET_FIELD_FAILED);
DBUG_RETURN(FALSE);
}
/*
Loads an event from a row from mysql.event
/**
Load an event's body from a row from mysql.event.
SYNOPSIS
Event_queue_element::load_from_row(THD *thd, TABLE *table)
@details 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.
RETURN VALUE
0 OK
EVEX_GET_FIELD_FAILED Error
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.
@return Operation status
@retval FALSE OK
@retval TRUE Error
*/
int
bool
Event_queue_element::load_from_row(THD *thd, TABLE *table)
{
char *ptr;
@ -877,10 +838,10 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
DBUG_ENTER("Event_queue_element::load_from_row");
if (!table)
goto error;
DBUG_RETURN(TRUE);
if (table->s->fields < ET_FIELD_COUNT)
goto error;
DBUG_RETURN(TRUE);
if (load_string_fields(table->field,
ET_FIELD_DB, &dbname,
@ -888,10 +849,10 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
ET_FIELD_DEFINER, &definer,
ET_FIELD_TIME_ZONE, &tz_name,
ET_FIELD_COUNT))
goto error;
DBUG_RETURN(TRUE);
if (load_time_zone(thd, tz_name))
goto error;
DBUG_RETURN(TRUE);
starts_null= table->field[ET_FIELD_STARTS]->is_null();
if (!starts_null)
@ -921,7 +882,7 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
{
if (table->field[ET_FIELD_EXECUTE_AT]->get_date(&time,
TIME_NO_ZERO_DATE))
goto error;
DBUG_RETURN(TRUE);
execute_at= sec_since_epoch_TIME(&time);
}
@ -940,13 +901,13 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
table->field[ET_FIELD_TRANSIENT_INTERVAL]->val_str(&str);
if (!(tmp.length= str.length()))
goto error;
DBUG_RETURN(TRUE);
tmp.str= str.c_ptr_safe();
i= find_string_in_array(interval_type_to_name, &tmp, system_charset_info);
if (i < 0)
goto error;
DBUG_RETURN(TRUE);
interval= (interval_type) i;
}
@ -959,7 +920,7 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
last_executed_changed= FALSE;
if ((ptr= get_field(&mem_root, table->field[ET_FIELD_STATUS])) == NullS)
goto error;
DBUG_RETURN(TRUE);
DBUG_PRINT("load_from_row", ("Event [%s] is [%s]", name.str, ptr));
@ -978,40 +939,34 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
break;
}
if ((ptr= get_field(&mem_root, table->field[ET_FIELD_ORIGINATOR])) == NullS)
goto error;
DBUG_RETURN(TRUE);
originator = table->field[ET_FIELD_ORIGINATOR]->val_int();
/* ToDo : Andrey . Find a way not to allocate ptr on event_mem_root */
if ((ptr= get_field(&mem_root,
table->field[ET_FIELD_ON_COMPLETION])) == NullS)
goto error;
DBUG_RETURN(TRUE);
on_completion= (ptr[0]=='D'? Event_queue_element::ON_COMPLETION_DROP:
Event_queue_element::ON_COMPLETION_PRESERVE);
DBUG_RETURN(0);
error:
DBUG_RETURN(EVEX_GET_FIELD_FAILED);
DBUG_RETURN(FALSE);
}
/*
Loads an event from a row from mysql.event
/**
Load an event's body from a row from mysql.event.
SYNOPSIS
Event_timed::load_from_row(THD *thd, TABLE *table)
@details 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.
RETURN VALUE
0 OK
EVEX_GET_FIELD_FAILED Error
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.
@return Operation status
@retval FALSE OK
@retval TRUE Error
*/
int
bool
Event_timed::load_from_row(THD *thd, TABLE *table)
{
char *ptr;
@ -1020,12 +975,12 @@ Event_timed::load_from_row(THD *thd, TABLE *table)
DBUG_ENTER("Event_timed::load_from_row");
if (Event_queue_element::load_from_row(thd, table))
goto error;
DBUG_RETURN(TRUE);
if (load_string_fields(table->field,
ET_FIELD_BODY, &body,
ET_FIELD_COUNT))
goto error;
DBUG_RETURN(TRUE);
ptr= strchr(definer.str, '@');
@ -1052,9 +1007,7 @@ Event_timed::load_from_row(THD *thd, TABLE *table)
sql_mode= (ulong) table->field[ET_FIELD_SQL_MODE]->val_int();
DBUG_RETURN(0);
error:
DBUG_RETURN(EVEX_GET_FIELD_FAILED);
DBUG_RETURN(FALSE);
}

14
sql/event_data_objects.h
View file

@ -77,7 +77,7 @@ public:
Event_basic();
virtual ~Event_basic();
virtual int
virtual bool
load_from_row(THD *thd, TABLE *table) = 0;
protected:
@ -119,7 +119,7 @@ public:
Event_queue_element();
virtual ~Event_queue_element();
virtual int
virtual bool
load_from_row(THD *thd, TABLE *table);
bool
@ -157,7 +157,7 @@ public:
void
init();
virtual int
virtual bool
load_from_row(THD *thd, TABLE *table);
int
@ -176,7 +176,7 @@ public:
Event_job_data();
virtual int
virtual bool
load_from_row(THD *thd, TABLE *table);
bool
@ -205,12 +205,11 @@ public:
*/
bool do_not_create;
const char *body_begin;
bool body_changed;
LEX_STRING dbname;
LEX_STRING name;
LEX_STRING definer;// combination of user and host
LEX_STRING body;
LEX_STRING comment;
Item* item_starts;
@ -235,9 +234,6 @@ public:
bool
check_parse_data(THD *thd);
void
init_body(THD *thd);
private:
void

28
sql/event_db_repository.cc
View file

@ -15,6 +15,7 @@
#include "mysql_priv.h"
#include "event_db_repository.h"
#include "sp_head.h"
#include "event_data_objects.h"
#include "events.h"
#include "sql_show.h"
@ -141,7 +142,10 @@ const TABLE_FIELD_W_TYPE event_table_fields[ET_FIELD_COUNT] =
*/
static bool
mysql_event_fill_row(THD *thd, TABLE *table, Event_parse_data *et,
mysql_event_fill_row(THD *thd,
TABLE *table,
Event_parse_data *et,
sp_head *sp,
my_bool is_update)
{
CHARSET_INFO *scs= system_charset_info;
@ -152,7 +156,6 @@ mysql_event_fill_row(THD *thd, TABLE *table, Event_parse_data *et,
DBUG_PRINT("info", ("dbname=[%s]", et->dbname.str));
DBUG_PRINT("info", ("name =[%s]", et->name.str));
DBUG_PRINT("info", ("body =[%s]", et->body.str));
if (table->s->fields < ET_FIELD_COUNT)
{
@ -187,11 +190,18 @@ mysql_event_fill_row(THD *thd, TABLE *table, Event_parse_data *et,
Change the SQL_MODE only if body was present in an ALTER EVENT and of course
always during CREATE EVENT.
*/
if (et->body.str)
if (et->body_changed)
{
DBUG_ASSERT(sp->m_body.str);
fields[ET_FIELD_SQL_MODE]->store((longlong)thd->variables.sql_mode, TRUE);
if (fields[f_num= ET_FIELD_BODY]->store(et->body.str, et->body.length, scs))
if (fields[f_num= ET_FIELD_BODY]->store(sp->m_body.str,
sp->m_body.length,
scs))
{
goto err_truncate;
}
}
if (et->expression)
@ -513,10 +523,12 @@ Event_db_repository::create_event(THD *thd, Event_parse_data *parse_data,
{
int ret= 1;
TABLE *table= NULL;
sp_head *sp= thd->lex->sphead;
DBUG_ENTER("Event_db_repository::create_event");
DBUG_PRINT("info", ("open mysql.event for update"));
DBUG_ASSERT(sp);
if (open_event_table(thd, TL_WRITE, &table))
goto end;
@ -561,7 +573,7 @@ Event_db_repository::create_event(THD *thd, Event_parse_data *parse_data,
goto end;
}
if (parse_data->body.length > table->field[ET_FIELD_BODY]->field_length)
if (sp->m_body.length > table->field[ET_FIELD_BODY]->field_length)
{
my_error(ER_TOO_LONG_BODY, MYF(0), parse_data->name.str);
goto end;
@ -573,7 +585,7 @@ Event_db_repository::create_event(THD *thd, Event_parse_data *parse_data,
mysql_event_fill_row() calls my_error() in case of error so no need to
handle it here
*/
if (mysql_event_fill_row(thd, table, parse_data, FALSE))
if (mysql_event_fill_row(thd, table, parse_data, sp, FALSE))
goto end;
table->field[ET_FIELD_STATUS]->store((longlong)parse_data->status, TRUE);
@ -617,7 +629,9 @@ Event_db_repository::update_event(THD *thd, Event_parse_data *parse_data,
{
CHARSET_INFO *scs= system_charset_info;
TABLE *table= NULL;
sp_head *sp= thd->lex->sphead;
int ret= 1;
DBUG_ENTER("Event_db_repository::update_event");
/* None or both must be set */
@ -661,7 +675,7 @@ Event_db_repository::update_event(THD *thd, Event_parse_data *parse_data,
mysql_event_fill_row() calls my_error() in case of error so no need to
handle it here
*/
if (mysql_event_fill_row(thd, table, parse_data, TRUE))
if (mysql_event_fill_row(thd, table, parse_data, sp, TRUE))
goto end;
if (new_dbname)

5
sql/sql_yacc.yy
View file

@ -1873,9 +1873,6 @@ ev_sql_stmt:
lex->sphead->m_chistics= &lex->sp_chistics;
lex->sphead->m_body_begin= lip->get_cpp_ptr();
lex->event_parse_data->body_begin= lip->get_cpp_ptr();
}
ev_sql_stmt_inner
{
@ -1888,7 +1885,7 @@ ev_sql_stmt:
lex->sp_chistics.suid= SP_IS_SUID; //always the definer!
lex->event_parse_data->init_body(thd);
lex->event_parse_data->body_changed= TRUE;
}
;