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First stage of table definition cache

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Split TABLE to TABLE and TABLE_SHARE (TABLE_SHARE is still allocated as part of table, will be fixed soon)
Created Field::make_field() and made Field_num::make_field() to call this
Added 'TABLE_SHARE->db' that points to database name; Changed all usage of table_cache_key as database name to use this instead
Changed field->table_name to point to pointer to alias. This allows us to change alias for a table by just updating one pointer.
Renamed TABLE_SHARE->real_name to table_name
Renamed TABLE->table_name to alias
Renamed TABLE_LIST->real_name to table_name
This commit is contained in:
monty@mysql.com
2005-01-06 13:00:13 +02:00
parent 7cf8285b3f
commit d35140a851
57 changed files with 1542 additions and 1475 deletions
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sql/sql_class.cc
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@@ -650,7 +650,7 @@ void THD::add_changed_table(TABLE *table)
DBUG_ASSERT((options & (OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) &&
table->file->has_transactions());
add_changed_table(table->table_cache_key, table->key_length);
add_changed_table(table->s->table_cache_key, table->s->key_length);
DBUG_VOID_RETURN;
}