void cleanup_trigger_name(char *trigvn, int trigvn_len, char *trigger_name, int trigger_name_len)
{
int4 result;
char trunc_name[MAX_TRIGNAME_LEN + 1];
uint4 used_trigvn_len;
mval val;
mval *val_ptr;
int var_count;
boolean_t is_auto_name;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
assert(!gv_cur_region->read_only); /* caller should have already checked this */
assert(cs_addrs->hasht_tree == gv_target); /* should have been set up by caller */
assert(gv_target->root); /* should have been ensured by caller */
/* assume user defined name or auto gen name whose GVN < 21 chars */
if (!trigger_user_name(trigger_name, trigger_name_len))
{ /* auto gen name uses #TNCOUNT and #SEQNO under #TNAME */
is_auto_name = TRUE;
used_trigvn_len = MIN(trigvn_len, MAX_AUTO_TRIGNAME_LEN);
memcpy(trunc_name, trigvn, used_trigvn_len);
if (is_auto_name)
{
/* $get(^#t("#TNAME",<trunc_name>,"#TNCOUNT")) */
BUILD_HASHT_SUB_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME), trunc_name,
used_trigvn_len, LITERAL_HASHTNCOUNT, STRLEN(LITERAL_HASHTNCOUNT));
if (gvcst_get(&val))
{ /* each autogenerated name has a #TNCOUNT entry */
val_ptr = &val;
var_count = MV_FORCE_UINT(val_ptr);
if (1 == var_count)
{
/* kill ^#t("#TNAME",<trunc_name>) to kill #TNCOUNT and #SEQNO */
BUILD_HASHT_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME), trunc_name,
used_trigvn_len);
gvcst_kill(TRUE);
} else
{
var_count--;
MV_FORCE_UMVAL(&val, var_count);
/* set ^#t("#TNAME",GVN,"#TNCOUNT")=var_count */
SET_TRIGGER_GLOBAL_SUB_SUB_SUB_MVAL(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME),
trunc_name, used_trigvn_len, LITERAL_HASHTNCOUNT,
STRLEN(LITERAL_HASHTNCOUNT), val, result);
assert(PUT_SUCCESS == result); /* The count size can only decrease */
}
}
}
} else
is_auto_name = FALSE;
/* kill ^#t("#TNAME",<trigger_name>,:) or zkill ^#t("#TNAME",<trigger_name>) if is_auto_name==FALSE */
BUILD_HASHT_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME), trigger_name,
trigger_name_len - 1);
gvcst_kill(is_auto_name);
}
STATICFNDEF void cleanup_trigger_name(char *trigvn, int trigvn_len, char *trigger_name, int trigger_name_len)
{
sgmnt_addrs *csa;
mname_entry gvent;
gv_namehead *hasht_tree;
int4 result;
char save_currkey[SIZEOF(gv_key) + DBKEYSIZE(MAX_KEY_SZ)];
char save_altkey[SIZEOF(gv_key) + DBKEYSIZE(MAX_KEY_SZ)];
gv_key *save_gv_altkey;
gv_key *save_gv_currkey;
gd_region *save_gv_cur_region;
gv_namehead *save_gv_target;
gv_namehead *save_gvtarget;
sgm_info *save_sgm_info_ptr;
char trunc_name[MAX_TRIGNAME_LEN + 1];
uint4 used_trigvn_len;
mval val;
mval *val_ptr;
char val_str[MAX_DIGITS_IN_INT + 1];
int var_count;
boolean_t is_auto_name;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
/* assume user defined name or auto gen name whose GVN < 21 chars */
is_auto_name = FALSE;
if (!trigger_user_name(trigger_name, trigger_name_len))
{ /* auto gen name uses #TNCOUNT and #SEQNO under #TNAME */
is_auto_name = TRUE;
used_trigvn_len = MIN(trigvn_len, MAX_AUTO_TRIGNAME_LEN);
memcpy(trunc_name, trigvn, used_trigvn_len);
}
SAVE_TRIGGER_REGION_INFO;
SWITCH_TO_DEFAULT_REGION;
if (0 != gv_target->root)
{
if (is_auto_name)
{
/* $get(^#t("#TNAME",<trunc_name>,"#TNCOUNT")) */
BUILD_HASHT_SUB_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME), trunc_name,
used_trigvn_len, LITERAL_HASHTNCOUNT, STRLEN(LITERAL_HASHTNCOUNT));
if (gvcst_get(&val))
{ /* only long autogenerated names have a #TNCOUNT entry */
val_ptr = &val;
var_count = MV_FORCE_INT(val_ptr);
if (1 == var_count)
{
/* kill ^#t("#TNAME",<trunc_name>) to kill #TNCOUNT and #SEQNO */
BUILD_HASHT_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME), trunc_name,
used_trigvn_len);
gvcst_kill(TRUE);
} else
{
var_count--;
MV_FORCE_MVAL(&val, var_count);
/* set ^#t("#TNAME",GVN,"#TNCOUNT")=var_count */
SET_TRIGGER_GLOBAL_SUB_SUB_SUB_MVAL(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME),
trunc_name, used_trigvn_len, LITERAL_HASHTNCOUNT,
STRLEN(LITERAL_HASHTNCOUNT), val, result);
assert(PUT_SUCCESS == result); /* The count size can only decrease */
}
}
}
/* kill ^#t("#TNAME",<trigger_name>,:) or zkill ^#t("#TNAME",<trigger_name>) if is_auto_name==FALSE */
BUILD_HASHT_SUB_SUB_CURRKEY(LITERAL_HASHTNAME, STRLEN(LITERAL_HASHTNAME), trigger_name,
trigger_name_len - 1);
gvcst_kill(is_auto_name);
}
RESTORE_TRIGGER_REGION_INFO;
}
