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merged

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man/perror.1:
  Auto merged
scripts/mysqld_safe.sh:
  Auto merged
sql/gen_lex_hash.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
strings/ctype-tis620.c:
  Auto merged
mysql-test/r/analyse.result:
  ul
mysql-test/r/group_by.result:
  ul
mysql-test/r/select.result:
  ul
This commit is contained in:
unknown
2003-03-13 13:44:03 +01:00
parent a4aaac02f3 c7551b8840
commit 50da5c1858
11 changed files with 106 additions and 53 deletions
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63
sql/sql_analyse.cc
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@ -241,14 +241,16 @@ bool test_if_number(NUM_INFO *info, const char *str, uint str_len)
}
else
return 0;
} //test_if_number
}
// Stores the biggest and the smallest value from current 'info'
// to ev_num_info
// If info contains an ulonglong number, which is bigger than
// biggest positive number able to be stored in a longlong variable
// and is marked as negative, function will return 0, else 1.
/*
Stores the biggest and the smallest value from current 'info'
to ev_num_info
If info contains an ulonglong number, which is bigger than
biggest positive number able to be stored in a longlong variable
and is marked as negative, function will return 0, else 1.
*/
bool get_ev_num_info(EV_NUM_INFO *ev_info, NUM_INFO *info, const char *num)
{
@ -276,11 +278,13 @@ void free_string(String *s)
s->free();
}
void field_str::add()
{
char buff[MAX_FIELD_WIDTH], *ptr;
String s(buff, sizeof(buff)), *res;
ulong length;
TREE_ELEMENT *element;
if (!(res = item->val_str(&s)))
{
@ -426,9 +430,11 @@ void field_real::add()
room_in_tree = 0; // Remove tree, out of RAM ?
delete_tree(&tree);
}
// if element->count == 1, this element can be found only once from tree
// if element->count == 2, or more, this element is already in tree
else if (element->count == 1 && (tree_elements++) > pc->max_tree_elements)
/*
if element->count == 1, this element can be found only once from tree
if element->count == 2, or more, this element is already in tree
*/
else if (element->count == 1 && (tree_elements++) >= pc->max_tree_elements)
{
room_in_tree = 0; // Remove tree, too many elements
delete_tree(&tree);
@ -457,6 +463,7 @@ void field_real::add()
}
} // field_real::add
void field_longlong::add()
{
char buff[MAX_FIELD_WIDTH];
@ -479,9 +486,11 @@ void field_longlong::add()
room_in_tree = 0; // Remove tree, out of RAM ?
delete_tree(&tree);
}
// if element->count == 1, this element can be found only once from tree
// if element->count == 2, or more, this element is already in tree
else if (element->count == 1 && (tree_elements++) > pc->max_tree_elements)
/*
if element->count == 1, this element can be found only once from tree
if element->count == 2, or more, this element is already in tree
*/
else if (element->count == 1 && (tree_elements++) >= pc->max_tree_elements)
{
room_in_tree = 0; // Remove tree, too many elements
delete_tree(&tree);
@ -533,9 +542,11 @@ void field_ulonglong::add()
room_in_tree = 0; // Remove tree, out of RAM ?
delete_tree(&tree);
}
// if element->count == 1, this element can be found only once from tree
// if element->count == 2, or more, this element is already in tree
else if (element->count == 1 && (tree_elements++) > pc->max_tree_elements)
/*
if element->count == 1, this element can be found only once from tree
if element->count == 2, or more, this element is already in tree
*/
else if (element->count == 1 && (tree_elements++) >= pc->max_tree_elements)
{
room_in_tree = 0; // Remove tree, too many elements
delete_tree(&tree);
@ -615,14 +626,16 @@ bool analyse::end_of_records()
func_items[8]->null_value = 1;
else
func_items[8]->set(res->ptr(), res->length());
// count the dots, quotas, etc. in (ENUM("a","b","c"...))
// if tree has been removed, don't suggest ENUM.
// treemem is used to measure the size of tree for strings,
// tree_elements is used to count the elements in tree in case of numbers.
// max_treemem tells how long the string starting from ENUM("... and
// ending to ..") shall at maximum be. If case is about numbers,
// max_tree_elements will tell the length of the above, now
// every number is considered as length 1
/*
count the dots, quotas, etc. in (ENUM("a","b","c"...))
If tree has been removed, don't suggest ENUM.
treemem is used to measure the size of tree for strings,
tree_elements is used to count the elements
max_treemem tells how long the string starting from ENUM("... and
ending to ..") shall at maximum be. If case is about numbers,
max_tree_elements will tell the length of the above, now
every number is considered as length 1
*/
if (((*f)->treemem || (*f)->tree_elements) &&
(*f)->tree.elements_in_tree &&
(((*f)->treemem ? max_treemem : max_tree_elements) >
@ -665,6 +678,7 @@ bool analyse::end_of_records()
ans.append("DATETIME", 8);
break;
case FIELD_TYPE_DATE:
case FIELD_TYPE_NEWDATE:
ans.append("DATE", 4);
break;
case FIELD_TYPE_SET:
@ -676,9 +690,6 @@ bool analyse::end_of_records()
case FIELD_TYPE_TIME:
ans.append("TIME", 4);
break;
case FIELD_TYPE_NEWDATE:
ans.append("NEWDATE", 7);
break;
case FIELD_TYPE_DECIMAL:
ans.append("DECIMAL", 7);
// if item is FIELD_ITEM, it _must_be_ Field_num in this case