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Change-Id: I32004a4b31c54cf5c185169fece143a61213d12d Reviewed-on: http://gerrit.ent.cloudera.com:8080/1850 Reviewed-by: Alex Behm <alex.behm@cloudera.com> Tested-by: jenkins Reviewed-on: http://gerrit.ent.cloudera.com:8080/1867
112 lines
3.4 KiB
Plaintext
112 lines
3.4 KiB
Plaintext
====
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---- QUERY
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# Tests explaining a query (TPCDS-Q19)
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explain
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select
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i_brand_id,
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i_brand,
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i_manufact_id,
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i_manufact,
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sum(ss_ext_sales_price) ext_price
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from
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tpcds.store_sales
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join tpcds.item on (store_sales.ss_item_sk = item.i_item_sk)
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join tpcds.customer on (store_sales.ss_customer_sk = customer.c_customer_sk)
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join tpcds.customer_address on (customer.c_current_addr_sk = customer_address.ca_address_sk)
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join tpcds.store on (store_sales.ss_store_sk = store.s_store_sk)
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where
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ss_date between '1999-11-01' and '1999-11-30'
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and i_manager_id = 7
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and substr(ca_zip, 1, 5) <> substr(s_zip, 1, 5)
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group by
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i_brand,
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i_brand_id,
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i_manufact_id,
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i_manufact
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order by
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ext_price desc,
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i_brand,
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i_brand_id,
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i_manufact_id,
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i_manufact
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limit 100
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---- RESULTS
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'Estimated Per-Host Requirements: Memory=72.66MB VCores=5'
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''
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'19:TOP-N [LIMIT=100]'
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'18:EXCHANGE [PARTITION=UNPARTITIONED]'
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'10:TOP-N [LIMIT=100]'
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'17:AGGREGATE [MERGE FINALIZE]'
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'16:EXCHANGE [PARTITION=HASH(i_brand,i_brand_id,i_manufact_id,i_manufact)]'
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'09:AGGREGATE'
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'08:HASH JOIN [INNER JOIN, BROADCAST]'
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'|--15:EXCHANGE [BROADCAST]'
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'| 04:SCAN HDFS [tpcds.store]'
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'07:HASH JOIN [INNER JOIN, BROADCAST]'
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'|--14:EXCHANGE [BROADCAST]'
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'| 01:SCAN HDFS [tpcds.item]'
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'06:HASH JOIN [INNER JOIN, BROADCAST]'
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'|--13:EXCHANGE [BROADCAST]'
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'| 00:SCAN HDFS [tpcds.store_sales]'
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'05:HASH JOIN [INNER JOIN, PARTITIONED]'
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'|--12:EXCHANGE [PARTITION=HASH(customer.c_current_addr_sk)]'
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'| 02:SCAN HDFS [tpcds.customer]'
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'11:EXCHANGE [PARTITION=HASH(customer_address.ca_address_sk)]'
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'03:SCAN HDFS [tpcds.customer_address]'
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====
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---- QUERY
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# Tests explaining an insert query
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explain insert overwrite functional.alltypessmall (id, string_col)
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partition (year, month)
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select a.id, a.string_col, a.year, a.month from functional.alltypes a
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left semi join functional.alltypesagg b on (a.id = b.id)
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where a.year > 2009 and a.month = 4
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union distinct
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select id, string_col, year, month from functional.alltypes
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---- RESULTS
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'Estimated Per-Host Requirements: Memory=32.01MB VCores=3'
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''
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'WRITE TO HDFS [functional.alltypessmall, OVERWRITE=true, PARTITION-KEYS=(year,month)]'
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'05:AGGREGATE [FINALIZE]'
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'08:EXCHANGE [PARTITION=UNPARTITIONED]'
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'|--10:MERGE'
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'| 04:SCAN HDFS [functional.alltypes]'
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'09:MERGE'
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'03:HASH JOIN [LEFT SEMI JOIN, PARTITIONED]'
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'|--07:EXCHANGE [PARTITION=HASH(b.id)]'
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'| 02:SCAN HDFS [functional.alltypesagg b]'
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'06:EXCHANGE [PARTITION=HASH(a.id)]'
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'01:SCAN HDFS [functional.alltypes a]'
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====
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---- QUERY
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# Tests explaining an insert query to/from an HBase table
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explain insert into functional_hbase.alltypes
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select a.* from functional_hbase.alltypessmall a
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cross join functional.alltypessmall b
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where a.year > 2009 and a.month = 4
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union all
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select * from functional_hbase.alltypessmall
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---- RESULTS
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'Estimated Per-Host Requirements: Memory=1.02GB VCores=3'
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''
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'WRITE TO HBASE table=functional_hbase.alltypes'
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'06:EXCHANGE [PARTITION=UNPARTITIONED]'
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'|--08:MERGE'
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'| 04:SCAN HBASE [functional_hbase.alltypessmall]'
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'07:MERGE'
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'03:CROSS JOIN [BROADCAST]'
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'|--05:EXCHANGE [BROADCAST]'
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'| 02:SCAN HDFS [functional.alltypessmall b]'
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'01:SCAN HBASE [functional_hbase.alltypessmall a]'
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====
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---- QUERY
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# Tests explaining an CTAS statement.
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explain create table t as
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select * from functional.alltypes
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where month = 2
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---- RESULTS
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'Estimated Per-Host Requirements: Memory=16.02MB VCores=1'
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''
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'WRITE TO HDFS [functional.t, OVERWRITE=false]'
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'00:SCAN HDFS [functional.alltypes]'
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==== |