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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);
}