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qiaojialin
approved these changes
Dec 16, 2019
| outputStream.write(filterType.ordinal()); | ||
| ReadWriteIOUtils.writeObject(value, outputStream); | ||
| } catch (IOException ignored) { | ||
| // ignored |
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This DataOutputStream is backed-up with a ByteArrayOutputStream, technically, there is no chance that an exception will be thrown.
fanhualta
approved these changes
Dec 23, 2019
| outputStream.write(filterType.ordinal()); | ||
| ReadWriteIOUtils.writeObject(value, outputStream); | ||
| } catch (IOException ignored) { | ||
| // ignored |
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But I don't think there was no chance to throw an Exception even it sounds safe technically. In case it has an exception, it'll be hopeless to locate the bug even if it's a bug from JDK.
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In order to pass the query plan to different nodes in the distributed version, the filters should be able to serialize and deserialize, which is implemented in this PR.