database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Fixed memory leaks in SP

Browse Source 
Some code cleanup


mysql-test/r/sp.result:
  Update results after adding quotes around function/procedure names
sql/sp.cc:
  Moved DBUG_ENTER after all variable declarations
  Eliminated some variables.
  Added more DBUG_ENTER commands.
  Added memory allocation checking in create_string()
  Fixed memory leak in sp_show_create_function()
  Removed usage of sprintf
sql/sql_parse.cc:
  Simple cleanup
  Fixed memory leaks for mailformed SP definitions
This commit is contained in:
unknown
2003-12-21 12:48:03 +02:00
parent 292bb8cbbe
commit c466a191d9
3 changed files with 146 additions and 161 deletions
Download Patch File Download Diff File Expand all files Collapse all files

110
sql/sql_parse.cc
View File

@ -3084,23 +3084,23 @@ mysql_execute_command(THD *thd)
break;
}
case SQLCOM_CREATE_FUNCTION: // UDF function
{
if (check_access(thd,INSERT_ACL,"mysql",0,1,0))
break;
{
sp_head *sph;
if (check_access(thd,INSERT_ACL,"mysql",0,1,0))
break;
#ifdef HAVE_DLOPEN
sp_head *sph= sp_find_function(thd, &lex->udf.name);
if (sph)
{
net_printf(thd, ER_UDF_EXISTS, lex->udf.name.str);
goto error;
}
if (!(res = mysql_create_function(thd,&lex->udf)))
send_ok(thd);
if (!(sph= sp_find_function(thd, &lex->udf.name)))
{
net_printf(thd, ER_UDF_EXISTS, lex->udf.name.str);
goto error;
}
if (!(res = mysql_create_function(thd,&lex->udf)))
send_ok(thd);
#else
res= -1;
res= -1;
#endif
break;
}
}
#ifndef NO_EMBEDDED_ACCESS_CHECKS
case SQLCOM_DROP_USER:
{
@ -3374,62 +3374,62 @@ mysql_execute_command(THD *thd)
break;
case SQLCOM_CREATE_PROCEDURE:
case SQLCOM_CREATE_SPFUNCTION:
{
if (!lex->sphead)
{
res= -1; // Shouldn't happen
break;
}
else
{
uint namelen;
char *name= lex->sphead->name(&namelen);
uint namelen;
char *name= lex->sphead->name(&namelen);
#ifdef HAVE_DLOPEN
if (lex->sphead->m_type == TYPE_ENUM_FUNCTION)
{
udf_func *udf = find_udf(name, namelen);
if (lex->sphead->m_type == TYPE_ENUM_FUNCTION)
{
udf_func *udf = find_udf(name, namelen);
if (udf)
{
net_printf(thd, ER_UDF_EXISTS, name);
goto error;
}
}
#endif
if (lex->sphead->m_type == TYPE_ENUM_FUNCTION &&
!lex->sphead->m_has_return)
if (udf)
{
net_printf(thd, ER_SP_NORETURN, name);
net_printf(thd, ER_UDF_EXISTS, name);
delete lex->sphead;
lex->sphead=0;
goto error;
}
res= lex->sphead->create(thd);
switch (res)
{
case SP_OK:
send_ok(thd);
delete lex->sphead;
lex->sphead= 0;
break;
case SP_WRITE_ROW_FAILED:
net_printf(thd, ER_SP_ALREADY_EXISTS, SP_TYPE_STRING(lex), name);
delete lex->sphead;
lex->sphead= 0;
goto error;
default:
net_printf(thd, ER_SP_STORE_FAILED, SP_TYPE_STRING(lex), name);
delete lex->sphead;
lex->sphead= 0;
goto error;
}
break;
}
#endif
if (lex->sphead->m_type == TYPE_ENUM_FUNCTION &&
!lex->sphead->m_has_return)
{
net_printf(thd, ER_SP_NORETURN, name);
delete lex->sphead;
lex->sphead=0;
goto error;
}
res= lex->sphead->create(thd);
switch (res) {
case SP_OK:
send_ok(thd);
delete lex->sphead;
lex->sphead= 0;
break;
case SP_WRITE_ROW_FAILED:
net_printf(thd, ER_SP_ALREADY_EXISTS, SP_TYPE_STRING(lex), name);
delete lex->sphead;
lex->sphead= 0;
goto error;
default:
net_printf(thd, ER_SP_STORE_FAILED, SP_TYPE_STRING(lex), name);
delete lex->sphead;
lex->sphead= 0;
goto error;
}
break;
}
case SQLCOM_CALL:
{
sp_head *sp;
sp= sp_find_procedure(thd, &lex->udf.name);
if (! sp)
if (!(sp= sp_find_procedure(thd, &lex->udf.name)))
{
net_printf(thd, ER_SP_DOES_NOT_EXIST, "PROCEDURE", lex->udf.name);
goto error;
@ -3611,6 +3611,7 @@ mysql_execute_command(THD *thd)
res= 0;
goto error;
}
res= 0;
break;
}
case SQLCOM_SHOW_STATUS_PROC:
@ -4157,6 +4158,7 @@ mysql_parse(THD *thd, char *inBuf, uint length)
query_cache_abort(&thd->net);
if (thd->lex->sphead)
{
/* Clean up after failed stored procedure/function */
if (lex != thd->lex)
thd->lex->sphead->restore_lex(thd);
delete thd->lex->sphead;