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BUG#12162 - one can start two transactions with the same XID.

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Now we keep all active XID's in a hash
This commit is contained in:
unknown
2005-08-12 21:15:01 +02:00
parent e10362b472
commit 87ae5a1597
11 changed files with 211 additions and 93 deletions
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9
sql/handler.h
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@ -227,11 +227,11 @@ struct xid_t {
char data[XIDDATASIZE]; // not \0-terminated !
bool eq(struct xid_t *xid)
{ return !memcmp(this, xid, sizeof(long)*3+gtrid_length+bqual_length); }
{ return !memcmp(this, xid, length()); }
bool eq(long g, long b, const char *d)
{ return g == gtrid_length && b == bqual_length && !memcmp(d, data, g+b); }
void set(struct xid_t *xid)
{ memcpy(this, xid, sizeof(long)*3+xid->gtrid_length+xid->bqual_length); }
{ memcpy(this, xid, xid->length()); }
void set(long f, const char *g, long gl, const char *b, long bl)
{
formatID= f;
@ -270,6 +270,11 @@ struct xid_t {
!memcmp(data, MYSQL_XID_PREFIX, MYSQL_XID_PREFIX_LEN) ?
quick_get_my_xid() : 0;
}
uint length()
{
return sizeof(formatID)+sizeof(gtrid_length)+sizeof(bqual_length)+
gtrid_length+bqual_length;
}
};
typedef struct xid_t XID;