GitHub user cxzl25 opened a pull request:
https://github.com/apache/spark/pull/20739
[SPARK-23603][SQL]When the length of the json is in a range,get_json_object
will result in missing tail data
## What changes were proposed in this pull request?
Replace writeRaw(char[] text, int offset, int len) with writeRaw(String
text)
Jackson(>=2.7.7) fixes the possibility of missing tail data when the length
of the value is in a range
[https://github.com/FasterXML/jackson/wiki/Jackson-Release-2.7.7](https://github.com/FasterXML/jackson/wiki/Jackson-Release-2.7.7)
[https://github.com/FasterXML/jackson-core/issues/30](https://github.com/FasterXML/jackson-core/issues/307)
## How was this patch tested?
org.apache.spark.sql.catalyst.expressions.JsonExpressionsSuite
test("some big value")
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cxzl25/spark fix_udf_get_json_object
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20739.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #20739
commit 5a83def86eb5a75eae0ff8f43e892e3daa52d50c
Author: sychen
Date: 2018-03-05T15:30:44Z
Replace writeRaw(char[] text, int offset, int len) with writeRaw(String
text)
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