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Fixed for bugs that was found when getting full code coverage of BDB

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Fixed bug with HEAP tables on windows
Fixed bug with HAVING on empty tables
This commit is contained in:
monty@donna.mysql.com
2001-01-17 03:15:20 +02:00
parent 5f4a3f5167
commit 0732f7475e
13 changed files with 193 additions and 97 deletions
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44
sql/field.h
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@@ -166,7 +166,12 @@ public:
memcpy(to,from,length);
return from+length;
}
virtual char *keypack(char* to, const char *from, uint max_length=~(uint) 0)
virtual char *pack_key(char* to, const char *from, uint max_length)
{
return pack(to,from,max_length);
}
virtual char *pack_key_from_key_image(char* to, const char *from,
uint max_length)
{
return pack(to,from,max_length);
}
@@ -861,39 +866,10 @@ public:
tmp=(char*) value.ptr(); memcpy_fixed(ptr+packlength,&tmp,sizeof(char*));
return 0;
}
char *pack(char *to, const char *from, uint max_length= ~(uint) 0)
{
ulong length=get_length();
if (length > max_length)
{
length=max_length;
char *save=ptr;
ptr=to;
store_length(length);
ptr=save;
}
else
memcpy(to,from,packlength);
if (length)
{
get_ptr((char**) &from);
memcpy(to+packlength, from,length);
return to+packlength+length;
}
return to+packlength;
}
const char *unpack(char *to, const char *from)
{
memcpy(to,from,packlength);
from+=packlength;
ulong length=get_length();
if (length)
memcpy_fixed(to+packlength, &from, sizeof(from));
else
bzero(to+packlength,sizeof(from));
return from+length;
}
char *pack_key(char *to, const char *from, uint max_length=~(uint) 0);
char *pack(char *to, const char *from, uint max_length= ~(uint) 0);
const char *unpack(char *to, const char *from);
char *pack_key(char *to, const char *from, uint max_length);
char *pack_key_from_key_image(char* to, const char *from, uint max_length);
int pack_cmp(const char *a, const char *b, uint key_length);
int pack_cmp(const char *b, uint key_length);
uint packed_col_length(const char *col_ptr)