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XID SQL syntax

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minor cleanups
XA tests
This commit is contained in:
serg@serg.mylan
2005-04-04 00:50:05 +02:00
parent 45a79c9056
commit 52770e8682
12 changed files with 239 additions and 107 deletions
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23
sql/handler.h
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@ -213,13 +213,22 @@ struct xid_t {
long bqual_length;
char data[XIDDATASIZE]; // not \0-terminated !
bool eq(LEX_STRING *l) { return eq(l->length, 0, l->str); }
bool eq(struct xid_t *xid)
{ return !memcmp(this, xid, sizeof(long)*3+gtrid_length+bqual_length); }
bool eq(long g, long b, const char *d)
{ return g == gtrid_length && b == bqual_length && !memcmp(d, data, g+b); }
void set(LEX_STRING *l) { set(l->length, 0, l->str); }
void set(struct xid_t *xid)
{ memcpy(this, xid, sizeof(long)*3+xid->gtrid_length+xid->bqual_length); }
void set(long f, const char *g, long gl, const char *b, long bl)
{
formatID= f;
memcpy(data, g, gtrid_length= gl);
memcpy(data+gl, b, bqual_length= bl);
}
void set(ulonglong xid)
{
my_xid tmp;
formatID= 1;
set(MYSQL_XID_PREFIX_LEN, 0, MYSQL_XID_PREFIX);
memcpy(data+MYSQL_XID_PREFIX_LEN, &server_id, sizeof(server_id));
tmp= xid;
@ -228,7 +237,7 @@ struct xid_t {
}
void set(long g, long b, const char *d)
{
formatID=1;
formatID= 1;
gtrid_length= g;
bqual_length= b;
memcpy(data, d, g+b);
@ -244,7 +253,7 @@ struct xid_t {
my_xid get_my_xid()
{
return gtrid_length == MYSQL_XID_GTRID_LEN && bqual_length == 0 &&
*(ulong*)(data+MYSQL_XID_PREFIX_LEN) == server_id &&
!memcmp(data+MYSQL_XID_PREFIX_LEN, &server_id, sizeof(server_id)) &&
!memcmp(data, MYSQL_XID_PREFIX, MYSQL_XID_PREFIX_LEN) ?
quick_get_my_xid() : 0;
}
@ -261,8 +270,8 @@ typedef struct xid_t XID;
/*
handlerton is a singleton structure - one instance per storage engine -
to provide access to storage engine functionality that works on
"global" level (unlike handler class that works on per-table basis)
to provide access to storage engine functionality that works on the
"global" level (unlike handler class that works on a per-table basis)
usually handlerton instance is defined statically in ha_xxx.cc as
@ -826,7 +835,7 @@ int ha_release_temporary_latches(THD *thd);
/* transactions: interface to handlerton functions */
int ha_start_consistent_snapshot(THD *thd);
int ha_commit_or_rollback_by_xid(LEX_STRING *ident, bool commit);
int ha_commit_or_rollback_by_xid(XID *xid, bool commit);
int ha_commit_one_phase(THD *thd, bool all);
int ha_rollback_trans(THD *thd, bool all);
int ha_prepare(THD *thd);