jobject TupleTable_createFromSlot(TupleTableSlot* tts)
{
HeapTuple tuple;
jobject tupdesc;
jobjectArray tuples;
MemoryContext curr;
if(tts == 0)
return 0;
curr = MemoryContextSwitchTo(JavaMemoryContext);
#if (PGSQL_MAJOR_VER == 8 && PGSQL_MINOR_VER == 0)
tupdesc = TupleDesc_internalCreate(tts->ttc_tupleDescriptor);
tuple = heap_copytuple(tts->val);
#else
tupdesc = TupleDesc_internalCreate(tts->tts_tupleDescriptor);
tuple = ExecCopySlotTuple(tts);
#endif
tuples = Tuple_createArray(&tuple, 1, false);
MemoryContextSwitchTo(curr);
return JNI_newObject(s_TupleTable_class, s_TupleTable_init, tupdesc, tuples);
}
/*
* org.postgresql.pljava.TupleDesc type.
* This makes a non-reference-counted copy in JavaMemoryContext of the supplied
* TupleDesc, which will be freed later when Java code calls the native method
* _free(). Therefore the caller is done with its TupleDesc when this returns.
*/
jobject TupleDesc_create(TupleDesc td)
{
jobject jtd = 0;
if(td != 0)
{
MemoryContext curr = MemoryContextSwitchTo(JavaMemoryContext);
jtd = TupleDesc_internalCreate(td);
MemoryContextSwitchTo(curr);
}
return jtd;
}
jobject TupleTable_create(SPITupleTable* tts, jobject knownTD)
{
jobjectArray tuples;
MemoryContext curr;
if(tts == 0)
return 0;
curr = MemoryContextSwitchTo(JavaMemoryContext);
if(knownTD == 0)
knownTD = TupleDesc_internalCreate(tts->tupdesc);
tuples = Tuple_createArray(tts->vals, (jint)(tts->alloced - tts->free), true);
MemoryContextSwitchTo(curr);
return JNI_newObject(s_TupleTable_class, s_TupleTable_init, knownTD, tuples);
}
jobject TupleTable_createFromSlot(TupleTableSlot* tts)
{
HeapTuple tuple;
jobject tupdesc;
jobjectArray tuples;
MemoryContext curr;
if(tts == 0)
return 0;
curr = MemoryContextSwitchTo(JavaMemoryContext);
tupdesc = TupleDesc_internalCreate(tts->tts_tupleDescriptor);
tuple = ExecCopySlotHeapTuple(tts);
tuples = Tuple_createArray(&tuple, 1, false);
MemoryContextSwitchTo(curr);
return JNI_newObject(s_TupleTable_class, s_TupleTable_init, tupdesc, tuples);
}
