static Datum _doubleArray_coerceObject(Type self, jobject doubleArray)
{
ArrayType* v;
jsize nElems;
if(doubleArray == 0)
return 0;
nElems = JNI_getArrayLength((jarray)doubleArray);
#if (PGSQL_MAJOR_VER == 8 && PGSQL_MINOR_VER < 2)
v = createArrayType(nElems, sizeof(jdouble), FLOAT8OID);
#else
v = createArrayType(nElems, sizeof(jdouble), FLOAT8OID, false);
#endif
if(!JNI_isInstanceOf( doubleArray, s_DoubleArray_class))
JNI_getDoubleArrayRegion((jdoubleArray)doubleArray, 0,
nElems, (jdouble*)ARR_DATA_PTR(v));
else
{
int idx = 0;
jdouble *array = (jdouble*)ARR_DATA_PTR(v);
for(idx = 0; idx < nElems; ++idx)
{
array[idx] = JNI_callDoubleMethod(JNI_getObjectArrayElement(doubleArray, idx),
s_Double_doubleValue);
}
}
PG_RETURN_ARRAYTYPE_P(v);
}
static Datum _booleanArray_coerceObject(Type self, jobject booleanArray)
{
ArrayType* v;
jsize nElems;
if(booleanArray == 0)
return 0;
nElems = JNI_getArrayLength((jarray)booleanArray);
v = createArrayType(nElems, sizeof(jboolean), BOOLOID, false);
JNI_getBooleanArrayRegion((jbooleanArray)booleanArray, 0, nElems, (jboolean*)ARR_DATA_PTR(v));
PG_RETURN_ARRAYTYPE_P(v);
}
static Datum _intArray_coerceObject(Type self, jobject intArray)
{
ArrayType* v;
jsize nElems;
if(intArray == 0)
return 0;
nElems = JNI_getArrayLength((jarray)intArray);
v = createArrayType(nElems, sizeof(jint), INT4OID, false);
JNI_getIntArrayRegion((jintArray)intArray, 0, nElems, (jint*)ARR_DATA_PTR(v));
PG_RETURN_ARRAYTYPE_P(v);
}
static Datum _byte_array_coerceObject(Type self, jobject byteArray)
{
bytea* bytes = 0;
if(byteArray == 0)
return 0;
if(JNI_isInstanceOf(byteArray, s_byteArray_class))
{
jsize length = JNI_getArrayLength((jarray)byteArray);
int32 byteaSize = length + VARHDRSZ;
bytes = (bytea*)palloc(byteaSize);
#if (PGSQL_MAJOR_VER == 8 && PGSQL_MINOR_VER < 3)
VARATT_SIZEP(bytes) = byteaSize;
#else
SET_VARSIZE(bytes, byteaSize);
#endif
JNI_getByteArrayRegion((jbyteArray)byteArray, 0, length, (jbyte*)VARDATA(bytes));
}
else if(JNI_isInstanceOf(byteArray, s_BlobValue_class))
{
jobject byteBuffer;
int32 byteaSize;
jlong length = JNI_callLongMethod(byteArray, s_BlobValue_length);
byteaSize = (int32)(length + VARHDRSZ);
bytes = (bytea*)palloc(byteaSize);
#if (PGSQL_MAJOR_VER == 8 && PGSQL_MINOR_VER < 3)
VARATT_SIZEP(bytes) = byteaSize;
#else
SET_VARSIZE(bytes, byteaSize);
#endif
byteBuffer = JNI_newDirectByteBuffer((void*)VARDATA(bytes), length);
if(byteBuffer != 0)
JNI_callVoidMethod(byteArray, s_BlobValue_getContents, byteBuffer);
JNI_deleteLocalRef(byteBuffer);
}
else
{
Exception_throwIllegalArgument("Not coercable to bytea");
}
PG_RETURN_BYTEA_P(bytes);
}
static Datum _Array_coerceObject(Type self, jobject objArray)
{
ArrayType* v;
jsize idx;
int lowerBound = 1;
Type elemType = Type_getElementType(self);
int nElems = (int)JNI_getArrayLength((jarray)objArray);
Datum* values = (Datum*)palloc(nElems * sizeof(Datum) + nElems * sizeof(bool));
bool* nulls = (bool*)(values + nElems);
for(idx = 0; idx < nElems; ++idx)
{
jobject obj = JNI_getObjectArrayElement(objArray, idx);
if(obj == 0)
{
nulls[idx] = true;
values[idx] = 0;
}
else
{
nulls[idx] = false;
values[idx] = Type_coerceObject(elemType, obj);
JNI_deleteLocalRef(obj);
}
}
v = construct_md_array(
values,
nulls,
1,
&nElems,
&lowerBound,
Type_getOid(elemType),
Type_getLength(elemType),
Type_isByValue(elemType),
Type_getAlign(elemType));
pfree(values);
PG_RETURN_ARRAYTYPE_P(v);
}
