[GitHub] [iotdb] Genius-pig commented on a change in pull request #1914: [IOTDB-937] change jdbc into session and don't need to create metadata

[GitBox <gi...@apache.org>]

Genius-pig commented on a change in pull request #1914:
URL: https://github.com/apache/iotdb/pull/1914#discussion_r519527975



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File path: README.md
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@@ -347,14 +348,17 @@ CREATE TIMESERIES root.fit.d2.s3 WITH DATATYPE=INT32,ENCODING=RLE;
 CREATE TIMESERIES root.fit.p.s1 WITH DATATYPE=INT32,ENCODING=RLE;
 ```
 
+> if you didn't create metadata in the IoTDB in another computer, IoTDB will infer datatype by itself and this probably caused time series has different datatype and many other unexpected things.
+
 ### An example of import csv file
 
 ```
 Time,root.fit.d1.s1,root.fit.d1.s2,root.fit.d2.s1,root.fit.d2.s3,root.fit.p.s1
-1,100,'hello',200,300,400
-2,500,'world',600,700,800
-3,900,'IoTDB',1000,1100,1200
+1,100,hello,200,300,400
+2,500,world,600,700,800
+3,900,IoTDB,1000,1100,1200
 ```
+> if you have a comma in your field, the field should be enclosed by a double quote or single quote.

Review comment:
       updated




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