Github user xuchuanyin commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2627#discussion_r210203145
--- Diff:
datamap/mv/core/src/test/scala/org/apache/carbondata/mv/rewrite/MVCreateTestCase.scala
---
@@ -917,6 +917,104 @@ class MVCreateTestCase extends QueryTest with
BeforeAndAfterAll {
sql("drop table if exists mvtable2")
}
+ test("test create datamap with streaming table") {
+ sql("drop datamap if exists dm_stream_test1")
+ sql("drop datamap if exists dm_stream_bloom")
+ sql("drop datamap if exists dm_stream_PreAggMax")
+ sql("drop table if exists fact_streaming_table1")
+ sql(
+ """
+ | CREATE TABLE fact_streaming_table1 (empname String, designation
String, doj Timestamp,
+ | workgroupcategory int, workgroupcategoryname String, deptno
int, deptname String,
+ | projectcode int, projectjoindate Timestamp, projectenddate
Timestamp,attendance int,
+ | utilization int,salary int)
+ | STORED BY 'org.apache.carbondata.format'
+ | tblproperties('streaming'='true')
+ """.stripMargin)
+ sql(
+ s"""
+ | CREATE DATAMAP dm_stream_bloom ON TABLE fact_streaming_table1
+ | USING 'bloomfilter'
+ | DMProperties('INDEX_COLUMNS'='empname,deptname',
'BLOOM_SIZE'='640000')
+ """.stripMargin)
+
+ sql("create datamap dm_stream_PreAggMax on table fact_streaming_table1
using 'preaggregate' " +
+ "as select empname,max(salary) as max from fact_streaming_table1
group by empname")
+
+ val exception_tb_mv: Exception = intercept[Exception] {
+ sql("create datamap dm_stream_test1 using 'mv' as select empname,
sum(utilization) from " +
+ "fact_streaming_table1 group by empname")
+ }
+ assert(exception_tb_mv.getMessage
+ .contains("Streaming table does not support creating MV datamap"))
+ }
+
+ test("test create datamap with streaming table join carbon table ") {
+ sql("drop datamap if exists dm_stream_test2")
+ sql("drop table if exists fact_streaming_table2")
+ sql(
+ """
+ | CREATE TABLE fact_streaming_table2 (empname String, designation
String, doj Timestamp,
+ | workgroupcategory int, workgroupcategoryname String, deptno
int, deptname String,
+ | projectcode int, projectjoindate Timestamp, projectenddate
Timestamp,attendance int,
+ | utilization int,salary int)
+ | STORED BY 'org.apache.carbondata.format'
+ | tblproperties('streaming'='true')
+ """.stripMargin)
+
+ val exception_tb_mv2: Exception = intercept[Exception] {
+ sql("create datamap dm_stream_test2 using 'mv' as select t1.empname
as c1, t2.designation, " +
+ "t2.empname as c2 from fact_table1 t1 inner join
fact_streaming_table2 t2 " +
+ "on (t1.empname = t2.empname)")
+ }
+ assert(exception_tb_mv2.getMessage
+ .contains("Streaming table does not support creating MV datamap"))
+ }
+
+ test("test create datamap with streaming table join not carbon table ")
{
--- End diff --
I think you can meld this test case to the last one.
For example you can create a MV whose query statement contains CarbonTable
JOIN Non-CarbonTable and StreamingTable
---
