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MWL#106: Backport optimizations for derived tables and views.

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The main consolidated patch.
This commit is contained in:
Igor Babaev
2010-05-26 13:18:18 -07:00
parent cb325eb2b2
commit 709a0a1310
70 changed files with 4208 additions and 919 deletions
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4
sql/sql_help.cc
View File

@ -628,7 +628,7 @@ 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)];
TABLE_LIST *leaves= 0;
List<TABLE_LIST> leaves;
TABLE_LIST tables[4];
List<String> topics_list, categories_list, subcategories_list;
String name, description, example;
@ -667,7 +667,7 @@ bool mysqld_help(THD *thd, const char *mask)
thd->lex->select_lex.context.first_name_resolution_table= &tables[0];
if (setup_tables(thd, &thd->lex->select_lex.context,
&thd->lex->select_lex.top_join_list,
tables, &leaves, FALSE))
tables, leaves, FALSE, FALSE))
goto error;
memcpy((char*) used_fields, (char*) init_used_fields, sizeof(used_fields));
if (init_fields(thd, tables, used_fields, array_elements(used_fields)))