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DISTINCT optimization

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Fixes when using column privileges
Manual updates


Docs/manual.texi:
  Comments from MySQL training + distinct optimization
extra/my_print_defaults.c:
  Added --defaults-extra-file
include/my_sys.h:
  Added --defaults-extra-file
mysys/default.c:
  Added --defaults-extra-file
sql/sql_acl.cc:
  Tables with only column privileges didn't show up in SHOW GRANTS or SHOW TABLES
sql/sql_select.cc:
  DISTINCT optimization
sql/sql_select.h:
  DISTINCT optimization
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted
This commit is contained in:
unknown
2000-10-06 21:15:03 +03:00
parent 295c3d1fa9
commit 6991b70c87
8 changed files with 283 additions and 131 deletions
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10
sql/sql_acl.cc
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@ -2004,6 +2004,8 @@ bool check_grant(THD *thd, uint want_access, TABLE_LIST *tables,
want_access &= ~table->grant.privilege;
goto err; // No grants
}
if (show_table)
continue; // We have some priv on this
table->grant.grant_table=grant_table; // Remember for column test
table->grant.version=grant_version;
@ -2013,8 +2015,6 @@ bool check_grant(THD *thd, uint want_access, TABLE_LIST *tables,
if (!(~table->grant.privilege & want_access))
continue;
if (show_table && table->grant.privilege)
continue; // Test from show tables
if (want_access & ~(grant_table->cols | table->grant.privilege))
{
@ -2457,18 +2457,18 @@ int mysql_show_grants(THD *thd,LEX_USER *lex_user)
!strcmp(lex_user->host.str,host))
{
want_access=grant_table->privs;
if (want_access)
if ((want_access | grant_table->cols) != 0)
{
String global(buff,sizeof(buff));
global.length(0);
global.append("GRANT ",6);
if (test_all_bits(want_access,(TABLE_ACLS & ~GRANT_ACL)))
if (test_all_bits(grant_table->privs,(TABLE_ACLS & ~GRANT_ACL)))
global.append("ALL PRIVILEGES",14);
else
{
int found=0;
uint j,test_access= want_access & ~GRANT_ACL;
uint j,test_access= (want_access | grant_table->cols) & ~GRANT_ACL;
for (counter=0, j = SELECT_ACL;j <= TABLE_ACLS; counter++,j <<= 1)
{