aoyuEra commented on PR #300:
URL:
https://github.com/apache/doris-spark-connector/pull/300#issuecomment-2764937443
```scala
@Test
def buildCaseWhenTest(): Unit = {
val sourceInitSql: Array[String] =
ContainerUtils.parseFileContentSQL("container/ddl/read_all_type.sql")
ContainerUtils.executeSQLStatement(getDorisQueryConnection(DATABASE),
LOG, sourceInitSql: _*)
val session = SparkSession.builder().master("local[*]").getOrCreate()
session.sql(
s"""
|CREATE TEMPORARY VIEW test_source
|USING doris
|OPTIONS(
| "table.identifier"="${DATABASE + "." + TABLE_READ_TBL_ALL_TYPES}",
| "fenodes"="${getFenodes}",
| "user"="${getDorisUsername}",
| "password"="${getDorisPassword}",
| "doris.read.mode"="${readMode}",
| "doris.read.arrow-flight-sql.port"="${flightSqlPort}"
|)
|""".stripMargin)
val resultData = session.sql(
"""
|select * from (
| select
| id,
| (case when c5 > 10 then c2 else null end) as cc1,
| (case when c4 < 5 then c3 else null end) as cc2
| from test_source where c2 is not null
|) where !(cc1 is null and cc2 is null) order by id
|""".stripMargin)
assert("List([1,127,null], [2,null,-32768],
[3,null,0])".equals(resultData.collect().toList.toString()))
session.stop()
}
```
If we want to add this example to the
`org.apache.dors.spark.read.expression.V2ExpressionBuilderTest` case, we need
to introduce a large number of classes from Spark doris connector it, which may
not be suitable for compilation and running. What should we do if we need to
make adjustments here? @gnehil
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