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Code Activity

Cleanups and optimization during review of new code

Browse Source 
mysql-test/t/kill.test:
  Moved --disable_reconnect earlier to avoid race condition
sql/sql_help.cc:
  Cleanup during review of new code
  (Moved variable definitions first in function
sql/sql_insert.cc:
  Cleanup during review of new code
sql/sql_lex.cc:
  Cleanup during review of new code
sql/sql_parse.cc:
  Cleanup during review of new code
  Changed potential problem with previous_table_ref where it dependent that TABLE_LIST first element would be next_local
  Rearanged code in add_table_to_list() to remove extra if
  Combined 2 calls to calloc() to one
sql/sql_view.cc:
  Remove extra indentation level
  Combined common 'on error' exit
sql/sql_yacc.yy:
  Fixed comment style
sql/table.cc:
  Cleanup during review of new code
  - Changed while() loops to for() loop (to make code more readable)
  - Removed not needed initialization of variables
  - Removed not needed 'else' cases
  - Removed trivial ASSERT's that was checked by previous code
  - Moved comment setting last in Natural_join_column::check_grants()
This commit is contained in:
unknown
2005-08-18 03:12:42 +03:00
parent 219c84faba
commit 44086a625b
8 changed files with 165 additions and 166 deletions
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40
sql/sql_help.cc
View File

@ -623,38 +623,37 @@ bool mysqld_help(THD *thd, const char *mask)
Protocol *protocol= thd->protocol;
SQL_SELECT *select;
st_find_field used_fields[array_elements(init_used_fields)];
DBUG_ENTER("mysqld_help");
TABLE_LIST *leaves= 0;
TABLE_LIST tables[4];
bzero((gptr)tables,sizeof(tables));
tables[0].alias= tables[0].table_name= (char*) "help_topic";
tables[0].lock_type= TL_READ;
tables[0].next_global= tables[0].next_local= &tables[1];
tables[0].next_name_resolution_table= tables[0].next_local;
tables[1].alias= tables[1].table_name= (char*) "help_category";
tables[1].lock_type= TL_READ;
tables[1].next_global= tables[1].next_local= &tables[2];
tables[1].next_name_resolution_table= tables[1].next_local;
tables[2].alias= tables[2].table_name= (char*) "help_relation";
tables[2].lock_type= TL_READ;
tables[2].next_global= tables[2].next_local= &tables[3];
tables[2].next_name_resolution_table= tables[2].next_local;
tables[3].alias= tables[3].table_name= (char*) "help_keyword";
tables[3].lock_type= TL_READ;
tables[0].db= tables[1].db= tables[2].db= tables[3].db= (char*) "mysql";
List<String> topics_list, categories_list, subcategories_list;
String name, description, example;
int count_topics, count_categories, error;
uint mlen= strlen(mask);
size_t i;
MEM_ROOT *mem_root= thd->mem_root;
DBUG_ENTER("mysqld_help");
bzero((gptr)tables,sizeof(tables));
tables[0].alias= tables[0].table_name= (char*) "help_topic";
tables[0].lock_type= TL_READ;
tables[0].next_global= tables[0].next_local=
tables[0].next_name_resolution_table= &tables[1];
tables[1].alias= tables[1].table_name= (char*) "help_category";
tables[1].lock_type= TL_READ;
tables[1].next_global= tables[1].next_local=
tables[1].next_name_resolution_table= &tables[2];
tables[2].alias= tables[2].table_name= (char*) "help_relation";
tables[2].lock_type= TL_READ;
tables[2].next_global= tables[2].next_local=
tables[2].next_name_resolution_table= &tables[3];
tables[3].alias= tables[3].table_name= (char*) "help_keyword";
tables[3].lock_type= TL_READ;
tables[0].db= tables[1].db= tables[2].db= tables[3].db= (char*) "mysql";
if (open_and_lock_tables(thd, tables))
goto error;
/*
Init tables and fields to be usable from items
tables do not contain VIEWs => we can pass 0 as conds
*/
setup_tables(thd, &thd->lex->select_lex.context,
@ -663,7 +662,6 @@ bool mysqld_help(THD *thd, const char *mask)
memcpy((char*) used_fields, (char*) init_used_fields, sizeof(used_fields));
if (init_fields(thd, tables, used_fields, array_elements(used_fields)))
goto error;
size_t i;
for (i=0; i<sizeof(tables)/sizeof(TABLE_LIST); i++)
tables[i].table->file->init_table_handle_for_HANDLER();