/* creates text for trigger's command */
static sds genNRL_Cmd(bt *btr,
d_l_t *nrlind,
aobj *apk,
char *vals,
uint32 cofsts[],
void *rrow,
int tmatch) {
sds cmd = sdsempty(); /* DESTROY ME 016 */
list *nrltoks = nrlind->l1;
list *nrlcols = nrlind->l2;
listIter *li1 = listGetIterator(nrltoks, AL_START_HEAD);
listIter *li2 = listGetIterator(nrlcols, AL_START_HEAD);
listNode *ln1 = listNext(li1);
listNode *ln2 = listNext(li2);
while (ln1 || ln2) {
if (ln1) {
sds token = ln1->value;
cmd = sdscatlen(cmd, token, sdslen(token));
ln1 = listNext(li1);
}
int cmatch = -1;
if (ln2) {
cmatch = ((int)(long)ln2->value) - 1; /* because (0 != NULL) */
ln2 = listNext(li2);
}
if (cmatch != -1) {
char *x;
int xlen;
if (vals) { /* from INSERT */
if (!cmatch) { /* PK not stored in ROW */
x = strFromAobj(apk, &xlen);
} else { /* get COL from cofsts */
x = vals + cofsts[cmatch - 1];
xlen = cofsts[cmatch] - cofsts[cmatch - 1] - 1;
}
cmd = sdscatlen(cmd, x, xlen);
if (!cmatch) free(x); /* FREED 015 */
} else { /* not from INSERT -> fetch row */
aobj rcol = getRawCol(btr, rrow, cmatch, apk, tmatch, NULL, 1);
x = rcol.s;
xlen = rcol.len;
cmd = sdscatlen(cmd, x, xlen);
releaseAobj(&rcol);
}
}
}
listReleaseIterator(li1);
listReleaseIterator(li2);
return cmd;
}
/* makes Copy - must be freeD */
static char *getCopyColStr(bt *btr,
void *rrow,
int cmatch,
aobj *aopk,
int tmatch,
uint32 *len) {
char *dest;
aobj ao = getRawCol(btr, rrow, cmatch, aopk, tmatch, NULL, 1);
// force_string(INT) comes from a buffer, must be copied here
char *src = ao.s;
m_strcpy_len(src, ao.len, &dest); /* freeD in freeIndRowEntries */
*len = ao.len;
releaseAobj(&ao);
return dest;
}