static jvalue _booleanArray_coerceDatum(Type self, Datum arg)
{
jvalue result;
ArrayType* v = DatumGetArrayTypeP(arg);
jsize nElems = (jsize)ArrayGetNItems(ARR_NDIM(v), ARR_DIMS(v));
jbooleanArray booleanArray = JNI_newBooleanArray(nElems);
if(ARR_HASNULL(v))
{
jsize idx;
jboolean isCopy = JNI_FALSE;
bits8* nullBitMap = ARR_NULLBITMAP(v);
jboolean* values = (jboolean*)ARR_DATA_PTR(v);
jboolean* elems = JNI_getBooleanArrayElements(booleanArray, &isCopy);
for(idx = 0; idx < nElems; ++idx)
{
if(arrayIsNull(nullBitMap, idx))
elems[idx] = 0;
else
elems[idx] = *values++;
}
JNI_releaseBooleanArrayElements(booleanArray, elems, JNI_COMMIT);
}
else
JNI_setBooleanArrayRegion(booleanArray, 0, nElems, (jboolean*)ARR_DATA_PTR(v));
result.l = (jobject)booleanArray;
return result;
}
static jvalue _doubleArray_coerceDatum(Type self, Datum arg)
{
jvalue result;
ArrayType* v = DatumGetArrayTypeP(arg);
jsize nElems = (jsize)ArrayGetNItems(ARR_NDIM(v), ARR_DIMS(v));
jdoubleArray doubleArray = JNI_newDoubleArray(nElems);
#if (PGSQL_MAJOR_VER == 8 && PGSQL_MINOR_VER < 2)
JNI_setDoubleArrayRegion(doubleArray, 0, nElems, (jdouble*)ARR_DATA_PTR(v));
#else
if(ARR_HASNULL(v))
{
jsize idx;
jboolean isCopy = JNI_FALSE;
bits8* nullBitMap = ARR_NULLBITMAP(v);
jdouble* values = (jdouble*)ARR_DATA_PTR(v);
jdouble* elems = JNI_getDoubleArrayElements(doubleArray, &isCopy);
for(idx = 0; idx < nElems; ++idx)
{
if(arrayIsNull(nullBitMap, idx))
elems[idx] = 0;
else
elems[idx] = *values++;
}
JNI_releaseDoubleArrayElements(doubleArray, elems, JNI_COMMIT);
}
else
JNI_setDoubleArrayRegion(doubleArray, 0, nElems, (jdouble*)ARR_DATA_PTR(v));
#endif
result.l = (jobject)doubleArray;
return result;
}
static jvalue _Array_coerceDatum(Type self, Datum arg)
{
jvalue result;
jsize idx;
Type elemType = Type_getElementType(self);
int16 elemLength = Type_getLength(elemType);
char elemAlign = Type_getAlign(elemType);
bool elemByValue = Type_isByValue(elemType);
ArrayType* v = DatumGetArrayTypeP(arg);
jsize nElems = (jsize)ArrayGetNItems(ARR_NDIM(v), ARR_DIMS(v));
jobjectArray objArray = JNI_newObjectArray(nElems, Type_getJavaClass(elemType), 0);
const char* values = ARR_DATA_PTR(v);
bits8* nullBitMap = ARR_NULLBITMAP(v);
for(idx = 0; idx < nElems; ++idx)
{
if(arrayIsNull(nullBitMap, idx))
JNI_setObjectArrayElement(objArray, idx, 0);
else
{
Datum value = fetch_att(values, elemByValue, elemLength);
jvalue obj = Type_coerceDatum(elemType, value);
JNI_setObjectArrayElement(objArray, idx, obj.l);
JNI_deleteLocalRef(obj.l);
values = att_addlength_datum(values, elemLength, PointerGetDatum(values));
values = (char*)att_align_nominal(values, elemAlign);
}
}
result.l = (jobject)objArray;
return result;
}
