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table checksum background:

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my_checksum() mysys function
   NISAM checksum code moved from mysys to isam/ - it's obsolete
   MyISAM checksum code moved to mysys
   table's checksum accessible from sql layer
   SHOW TABLE STATUS shows checksum (WL#646)
code cleanup
This commit is contained in:
serg@serg.mylan
2003-08-05 21:14:15 +02:00
parent 6ac0c55c10
commit 79922d946a
15 changed files with 119 additions and 85 deletions
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6
sql/sql_show.cc
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@ -503,6 +503,8 @@ int mysqld_extend_show_tables(THD *thd,const char *db,const char *wild)
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("Charset",32));
item->maybe_null=1;
field_list.push_back(item=new Item_int("Checksum",(longlong) 1,21));
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("Create_options",255));
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("Comment",80));
@ -588,6 +590,10 @@ int mysqld_extend_show_tables(THD *thd,const char *db,const char *wild)
}
str= (table->table_charset ? table->table_charset->name : "default");
protocol->store(str, system_charset_info);
if (file->table_flags() & HA_HAS_CHECKSUM)
protocol->store((ulonglong)file->checksum());
else
protocol->store_null(); // Checksum
{
char option_buff[350],*ptr;
ptr=option_buff;