cloud-fan commented on a change in pull request #31281:
URL: https://github.com/apache/spark/pull/31281#discussion_r563490099
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/CharVarcharTestSuite.scala
##########
@@ -37,31 +37,109 @@ trait CharVarcharTestSuite extends QueryTest with
SQLTestUtils {
assert(CharVarcharUtils.getRawType(f.metadata) == Some(dt))
}
- test("char type values should be padded: top-level columns") {
+ test("char type values should be padded or trimmed: top-level columns") {
withTable("t") {
sql(s"CREATE TABLE t(i STRING, c CHAR(5)) USING $format")
- sql("INSERT INTO t VALUES ('1', 'a')")
- checkAnswer(spark.table("t"), Row("1", "a" + " " * 4))
- checkColType(spark.table("t").schema(1), CharType(5))
+ (0 to 5).map(n => "a" + " " * n).foreach { v =>
+ sql(s"INSERT OVERWRITE t VALUES ('1', '$v')")
+ checkAnswer(spark.table("t"), Row("1", "a" + " " * 4))
+ checkColType(spark.table("t").schema(1), CharType(5))
+ }
sql("INSERT OVERWRITE t VALUES ('1', null)")
checkAnswer(spark.table("t"), Row("1", null))
+
+ val e = intercept[SparkException](sql("INSERT OVERWRITE t VALUES ('1',
'abcdef')"))
Review comment:
I think we already tested it in the length check write tests.
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/CharVarcharTestSuite.scala
##########
@@ -37,31 +37,109 @@ trait CharVarcharTestSuite extends QueryTest with
SQLTestUtils {
assert(CharVarcharUtils.getRawType(f.metadata) == Some(dt))
}
- test("char type values should be padded: top-level columns") {
+ test("char type values should be padded or trimmed: top-level columns") {
withTable("t") {
sql(s"CREATE TABLE t(i STRING, c CHAR(5)) USING $format")
- sql("INSERT INTO t VALUES ('1', 'a')")
- checkAnswer(spark.table("t"), Row("1", "a" + " " * 4))
- checkColType(spark.table("t").schema(1), CharType(5))
+ (0 to 5).map(n => "a" + " " * n).foreach { v =>
+ sql(s"INSERT OVERWRITE t VALUES ('1', '$v')")
+ checkAnswer(spark.table("t"), Row("1", "a" + " " * 4))
+ checkColType(spark.table("t").schema(1), CharType(5))
+ }
sql("INSERT OVERWRITE t VALUES ('1', null)")
checkAnswer(spark.table("t"), Row("1", null))
+
+ val e = intercept[SparkException](sql("INSERT OVERWRITE t VALUES ('1',
'abcdef')"))
+ assert(e.getCause.getMessage.contains("Exceeds char/varchar type length
limitation: 5"))
}
}
- test("char type values should be padded: partitioned columns") {
+ test("char type values should be padded or trimmed: partitioned columns") {
+ withTable("t") {
+ sql(s"CREATE TABLE t(i STRING, c CHAR(5)) USING $format PARTITIONED BY
(c)")
+ (0 to 5).map(n => "a" + " " * n).foreach { v =>
+ sql(s"INSERT OVERWRITE t VALUES ('1', '$v')")
+ checkAnswer(spark.table("t"), Row("1", "a" + " " * 4))
+ checkColType(spark.table("t").schema(1), CharType(5))
+ }
+ val e1 = intercept[SparkException](sql("INSERT OVERWRITE t VALUES ('1',
'abcdef')"))
Review comment:
ditto
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