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@@ -311,6 +311,9 @@ public class MyConsumer extends Consumer<PaperExportDto> {
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private List<QuestionVo> getSubQuestion(Connection connect, String courseCode, List<String> pids)
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throws SQLException, IOException {
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List<QuestionVo> qs = new ArrayList<>();
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+ if(CollectionUtils.isEmpty(pids)) {
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+ return qs;
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+ }
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PreparedStatement preState = null;
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ResultSet resultSet = null;
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try {
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