int ReferentialDML_DeleteTuple(int xid, ReferentialAlgebra_context_t*context, char * tablename, tuple_t t) {
//XXX assumes table format is key value, starting with a string.
// tuple_t val = tupleTail(t, 1);
// size_t val_len;
// byte * val_byte = byteTuple(val,&val_len);
recordid tableRid = ReferentialDML_lookupTableRid(xid,context,tablename);
if(t.type[0] == string_typ) {
ThashRemove(xid, tableRid, (byte*)t.col[0].string, 1+strlen(t.col[0].string)); //, val_byte, val_len);
} else if(t.type[0] == int64_typ) {
abort(); // int keys not supported yet
ThashRemove(xid, tableRid, (byte*)&t.col[0].int64, sizeof(int64_t)); //, val_byte, val_len);
} else {
abort();
}
//free(val_byte);
//tupleFree(val);
return 0;
}
JNIEXPORT jbyteArray JNICALL Java_stasis_jni_Stasis_hash_1remove
(JNIEnv *e, jclass c, jlong xid, jlongArray jbarid, jbyteArray jbakey) {
recordid rid = recordid_jlongArray(e, jbarid);
if((*e)->ExceptionOccurred(e)) return 0;
size_t keylen;
byte * key = bytes_jbyteArray(e,jbakey,&keylen);
if((*e)->ExceptionOccurred(e)) return 0;
byte * ret;
int retsize = ThashLookup((int)xid,rid,key,keylen,&ret);
jbyteArray jbaret;
if(retsize == -1) {
jbaret = 0;
} else {
jbaret = jbyteArray_bytes(e,ret,retsize);
}
if((*e)->ExceptionOccurred(e)) return 0;
ThashRemove((int)xid,rid,key,keylen);
return jbaret;
}
