WeichenXu123 commented on a change in pull request #25184: [SPARK-28431][SQL]
Set maximum error message length in CSV datasource's parsing and writing
URL: https://github.com/apache/spark/pull/25184#discussion_r305666988
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala
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@@ -2085,4 +2087,28 @@ class CSVSuite extends QueryTest with SharedSQLContext
with SQLTestUtils with Te
}
}
}
+
+ test("SPARK-28431: prevent CSV datasource throw TextParsingException with
large size message") {
+ withTempDir { dir =>
+ val maxCharsPerCol = 10000
+ val str = "a" * (maxCharsPerCol + 1)
Review comment:
It do need "+1". Without "+1" won't throw exception. Because it do not
exceed "max" value configured.
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