How to use

getDoubleArray

method

in

com.google.cloud.spanner.Struct

@Override
public double[] getDoubleArray(int columnIndex) {
 return getCurrentRowAsStruct().getDoubleArray(columnIndex);
}

@Override
public double[] getDoubleArray(String columnName) {
 return getCurrentRowAsStruct().getDoubleArray(columnName);
}

@Test
public void writeFloat64ArrayNoNulls() {
 write(baseInsert().set("Float64ArrayValue").toFloat64Array(Arrays.asList(1.0, 2.0)).build());
 Struct row = readLastRow("Float64ArrayValue");
 assertThat(row.isNull(0)).isFalse();
 assertThat(row.getDoubleArray(0).length).isEqualTo(2);
 assertThat(row.getDoubleArray(0)[0]).isWithin(0.0).of(1.0);
 assertThat(row.getDoubleArray(0)[1]).isWithin(0.0).of(2.0);
}

@Test
public void writeFloat64Array() {
 write(
   baseInsert()
     .set("Float64ArrayValue")
     .toFloat64Array(Arrays.asList(null, 1.0, 2.0))
     .build());
 Struct row = readLastRow("Float64ArrayValue");
 assertThat(row.isNull(0)).isFalse();
 assertThat(row.getDoubleList(0)).containsExactly(null, 1.0, 2.0).inOrder();
 expectedException.expect(NullPointerException.class);
 row.getDoubleArray(0);
}

 return Value.bytesArray(value.getBytesList(fieldIndex));
case FLOAT64:
 return Value.float64Array(value.getDoubleArray(fieldIndex));
case DATE:
 return Value.dateArray(value.getDateList(fieldIndex));

@Override
public double[] getDoubleArray(String columnName) {
 return getCurrentRowAsStruct().getDoubleArray(columnName);
}

@Override
public double[] getDoubleArray(int columnIndex) {
 return getCurrentRowAsStruct().getDoubleArray(columnIndex);
}

 return GSON.toJson(currentRow.getLongArray(columnName));
case FLOAT64:
 return GSON.toJson(currentRow.getDoubleArray(columnName));
case STRING:
 return GSON.toJson(currentRow.getStringList(columnName));

 return Value.bytesArray(value.getBytesList(fieldIndex));
case FLOAT64:
 return Value.float64Array(value.getDoubleArray(fieldIndex));
case DATE:
 return Value.dateArray(value.getDateList(fieldIndex));