Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/17177#discussion_r105306510
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala
---
@@ -465,6 +465,44 @@ class CSVSuite extends QueryTest with SharedSQLContext
with SQLTestUtils {
}
}
+ test("save csv with quote escaping enabled, using char to escape
quote-escape") {
+ withTempDir { dir =>
+ val csvDir = new File(dir, "csv").getCanonicalPath
+
+
+ val df1 = spark.sqlContext.createDataFrame(List(
+ (1, """AA\"BB"""), // 1 escape char anc 1 quote char
+ (2, """AA\\"BB"""), // 2 escape char and 1 quote char
+ (3, """AA\"\"\"\"\"BB"""), // (1 escape char anc 1 quote
char) * 5
+ (4, """AA\\"\\"\\"\\"\\"BB"""), // (2 escape char and 1 quote
char) * 5
+ (5, """You are "beautiful"""),
+ (6, """Yes, \"inside"\""")
+ ))
+
+ // escapeQuotes should be true by default
+ // escapeEscape should be equal to quote by default
+ df1.coalesce(1).write
+ .format("csv")
+ .option("quote", "\"")
+ .option("escape", "\\")
+ .option("escapeEscape", "\"")
+ .save(csvDir)
+
+ val df2 = spark.read
+ .format("csv")
+ .option("quote", "\"")
+ .option("escape", "\\")
+ .option("escapeEscape", "\"")
+ .load(csvDir).orderBy($"_c0")
+
+ val df1Str = df1.collect().map(_.getString(1)).mkString("")
+ val df2Str = df2.collect().map(_.getString(1)).mkString("")
+
+ assert(df1Str == df2Str)
+ }
+ }
+
+
--- End diff --
super minor: single newline :).
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