qiaojialin commented on a change in pull request #1305:
URL: https://github.com/apache/incubator-iotdb/pull/1305#discussion_r435333070
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File path:
server/src/main/java/org/apache/iotdb/db/utils/TypeInferenceUtils.java
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@@ -65,6 +64,9 @@ public static TSDataType getPredictedDataType(Object value,
boolean inferType) {
} else {
return floatingStringInferType;
}
+ // "NaN" is returned if the NaN Literal is given in Parser
+ } else if ("NaN".equals(strValue)) {
+ return TSDataType.DOUBLE;
Review comment:
You could add nan_string_infer_type=DOUBLE in
server/src/assembly/resources/conf/iotdb-engine.properties， Then add itmes in
IoTDBDescriptor and IoTDBConfig class.
After adding this, the docs should be updated in
docs/UserGuide/Server/Config Manual.md.
I will add some system design doc for how to do these things.
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