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7fcd7cd64e
Change-Id: Ibe8f329d5513ae84a8134b9ddb3645fa174d8a66 Reviewed-on: http://gerrit.ent.cloudera.com:8080/1501 Reviewed-by: Alex Behm <alex.behm@cloudera.com> Tested-by: jenkins Reviewed-on: http://gerrit.ent.cloudera.com:8080/1880
350 lines
12 KiB
Plaintext
350 lines
12 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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'| order by: sum(ss_ext_sales_price) DESC, i_brand ASC, i_brand_id ASC, i_manufact_id ASC, i_manufact ASC'
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'| hosts=3 per-host-mem=unavailable'
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'| tuple-ids=5 row-size=48B cardinality=100'
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'|'
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'18:EXCHANGE [PARTITION=UNPARTITIONED]'
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'| hosts=3 per-host-mem=unavailable'
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'| tuple-ids=5 row-size=48B cardinality=100'
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'|'
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'10:TOP-N [LIMIT=100]'
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'| order by: sum(ss_ext_sales_price) DESC, i_brand ASC, i_brand_id ASC, i_manufact_id ASC, i_manufact ASC'
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'| hosts=3 per-host-mem=4.69KB'
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'| tuple-ids=5 row-size=48B cardinality=100'
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'|'
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'17:AGGREGATE [MERGE FINALIZE]'
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'| output: sum(sum(ss_ext_sales_price))'
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'| group by: i_brand, i_brand_id, i_manufact_id, i_manufact'
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'| hosts=3 per-host-mem=10.00MB'
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'| tuple-ids=5 row-size=48B cardinality=87208'
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'|'
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'16:EXCHANGE [PARTITION=HASH(i_brand,i_brand_id,i_manufact_id,i_manufact)]'
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'| hosts=3 per-host-mem=0B'
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'| tuple-ids=5 row-size=48B cardinality=87208'
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'|'
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'09:AGGREGATE'
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'| output: sum(ss_ext_sales_price)'
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'| group by: i_brand, i_brand_id, i_manufact_id, i_manufact'
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'| hosts=3 per-host-mem=10.00MB'
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'| tuple-ids=5 row-size=48B cardinality=87208'
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'|'
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'08:HASH JOIN [INNER JOIN, BROADCAST]'
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'| hash predicates: store_sales.ss_store_sk = store.s_store_sk'
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'| other predicates: substr(ca_zip, 1, 5) != substr(s_zip, 1, 5)'
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'| hosts=3 per-host-mem=383B'
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'| tuple-ids=3,2,0,1,4 row-size=192B cardinality=87208'
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'|'
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'|--15:EXCHANGE [BROADCAST]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=4 row-size=29B cardinality=12'
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'| |'
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'| 04:SCAN HDFS [tpcds.store, PARTITION=RANDOM]'
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'| partitions=1/1 size=3.08KB'
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'| table stats: 12 rows total'
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'| column stats: all'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=4 row-size=29B cardinality=12'
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'|'
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'07:HASH JOIN [INNER JOIN, BROADCAST]'
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'| hash predicates: store_sales.ss_item_sk = item.i_item_sk'
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'| hosts=3 per-host-mem=14.60KB'
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'| tuple-ids=3,2,0,1 row-size=163B cardinality=87208'
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'|'
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'|--14:EXCHANGE [BROADCAST]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=1 row-size=79B cardinality=171'
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'| |'
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'| 01:SCAN HDFS [tpcds.item, PARTITION=RANDOM]'
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'| partitions=1/1 size=4.82MB'
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'| predicates: i_manager_id = 7'
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'| table stats: 18000 rows total'
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'| column stats: all'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=1 row-size=79B cardinality=171'
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'|'
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'06:HASH JOIN [INNER JOIN, BROADCAST]'
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'| hash predicates: customer.c_customer_sk = store_sales.ss_customer_sk'
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'| hosts=3 per-host-mem=234.75KB'
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'| tuple-ids=3,2,0 row-size=84B cardinality=87208'
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'|'
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'|--13:EXCHANGE [BROADCAST]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=0 row-size=43B cardinality=5082'
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'| |'
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'| 00:SCAN HDFS [tpcds.store_sales, PARTITION=RANDOM]'
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'| partitions=2/120 size=663.52KB'
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'| table stats: 183592 rows total'
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'| column stats: all'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=0 row-size=43B cardinality=5082'
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'|'
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'05:HASH JOIN [INNER JOIN, PARTITIONED]'
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'| hash predicates: customer_address.ca_address_sk = customer.c_current_addr_sk'
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'| hosts=3 per-host-mem=429.69KB'
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'| tuple-ids=3,2 row-size=41B cardinality=87208'
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'|'
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'|--12:EXCHANGE [PARTITION=HASH(customer.c_current_addr_sk)]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=2 row-size=12B cardinality=100000'
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'| |'
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'| 02:SCAN HDFS [tpcds.customer, PARTITION=RANDOM]'
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'| partitions=1/1 size=12.60MB'
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'| table stats: 100000 rows total'
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'| column stats: all'
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'| hosts=3 per-host-mem=24.00MB'
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'| tuple-ids=2 row-size=12B cardinality=100000'
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'|'
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'11:EXCHANGE [PARTITION=HASH(customer_address.ca_address_sk)]'
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'| hosts=3 per-host-mem=0B'
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'| tuple-ids=3 row-size=29B cardinality=50000'
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'|'
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'03:SCAN HDFS [tpcds.customer_address, PARTITION=RANDOM]'
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' partitions=1/1 size=5.25MB'
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' table stats: 50000 rows total'
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' column stats: all'
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' hosts=3 per-host-mem=16.00MB'
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' tuple-ids=3 row-size=29B cardinality=50000'
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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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'| partitions=96'
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'| hosts=1 per-host-mem=unavailable'
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'|'
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'05:AGGREGATE [FINALIZE]'
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'| group by: id, string_col, year, month'
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'| hosts=3 per-host-mem=unavailable'
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'| tuple-ids=3 row-size=28B cardinality=7600'
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'|'
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'08:EXCHANGE [PARTITION=UNPARTITIONED]'
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'| hosts=3 per-host-mem=unavailable'
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'| tuple-ids=3 row-size=28B cardinality=7600'
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'|'
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'|--10:MERGE'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=3 row-size=28B cardinality=7300'
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'| |'
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'| 04:SCAN HDFS [functional.alltypes, PARTITION=RANDOM]'
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'| partitions=24/24 size=478.45KB'
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'| table stats: 7300 rows total'
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'| column stats: all'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=2 row-size=29B cardinality=7300'
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'|'
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'09:MERGE'
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'| hosts=3 per-host-mem=0B'
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'| tuple-ids=3 row-size=28B cardinality=300'
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'|'
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'03:HASH JOIN [LEFT SEMI JOIN, PARTITIONED]'
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'| hash predicates: a.id = b.id'
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'| hosts=3 per-host-mem=14.32KB'
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'| tuple-ids=0,1 row-size=33B cardinality=300'
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'|'
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'|--07:EXCHANGE [PARTITION=HASH(b.id)]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=1 row-size=4B cardinality=10000'
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'| |'
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'| 02:SCAN HDFS [functional.alltypesagg b, PARTITION=RANDOM]'
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'| partitions=10/10 size=743.67KB'
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'| table stats: 10000 rows total'
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'| column stats: all'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=1 row-size=4B cardinality=10000'
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'|'
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'06:EXCHANGE [PARTITION=HASH(a.id)]'
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'| hosts=3 per-host-mem=0B'
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'| tuple-ids=0 row-size=29B cardinality=300'
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'|'
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'01:SCAN HDFS [functional.alltypes a, PARTITION=RANDOM]'
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' partitions=1/24 size=19.71KB'
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' table stats: 7300 rows total'
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' column stats: all'
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' hosts=3 per-host-mem=16.00MB'
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' tuple-ids=0 row-size=29B cardinality=300'
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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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'| hosts=1 per-host-mem=unavailable'
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'|'
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'06:EXCHANGE [PARTITION=UNPARTITIONED]'
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'| hosts=100 per-host-mem=unavailable'
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'| tuple-ids=3 row-size=88B cardinality=596'
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'|'
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'|--08:MERGE'
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'| | hosts=100 per-host-mem=0B'
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'| | tuple-ids=3 row-size=88B cardinality=196'
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'| |'
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'| 04:SCAN HBASE [functional_hbase.alltypessmall]'
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'| table stats: 100 rows total'
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'| column stats: all'
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'| hosts=100 per-host-mem=1.00GB'
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'| tuple-ids=2 row-size=97B cardinality=196'
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'|'
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'07:MERGE'
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'| hosts=100 per-host-mem=0B'
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'| tuple-ids=3 row-size=88B cardinality=400'
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'|'
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'03:CROSS JOIN [BROADCAST]'
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'| hosts=100 per-host-mem=0B'
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'| tuple-ids=0,1 row-size=97B cardinality=400'
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'|'
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'|--05:EXCHANGE [BROADCAST]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=1 row-size=0B cardinality=100'
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'| |'
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'| 02:SCAN HDFS [functional.alltypessmall b, PARTITION=RANDOM]'
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'| partitions=4/4 size=6.32KB'
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'| table stats: 100 rows total'
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'| column stats: all'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=1 row-size=0B cardinality=100'
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'|'
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'01:SCAN HBASE [functional_hbase.alltypessmall a]'
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' predicates: a.year > 2009, a.month = 4'
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' table stats: 100 rows total'
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' column stats: all'
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' hosts=100 per-host-mem=1.00GB'
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' tuple-ids=0 row-size=97B cardinality=4'
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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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'| partitions=1'
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'| hosts=3 per-host-mem=17.62KB'
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'|'
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'00:SCAN HDFS [functional.alltypes, PARTITION=RANDOM]'
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' partitions=2/24 size=36.51KB'
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' table stats: 7300 rows total'
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' column stats: all'
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' hosts=3 per-host-mem=16.00MB'
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' tuple-ids=1 row-size=97B cardinality=560'
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====
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---- QUERY
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# Tests the warning about missing table stats in the explain header.
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explain select count(t1.int_col), avg(t2.float_col), sum(t3.bigint_col)
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from functional_avro.alltypes t1
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inner join functional_parquet.alltypessmall t2 on (t1.id = t2.id)
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left outer join functional_avro.alltypes t3 on (t2.id = t3.id)
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where t1.month = 1 and t2.year = 2009 and t3.bool_col = false
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---- RESULTS
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'Estimated Per-Host Requirements: Memory=4.03GB VCores=3'
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'WARNING: The following tables are missing relevant table and/or column statistics.'
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'functional_avro.alltypes, functional_parquet.alltypessmall'
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''
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'09:AGGREGATE [MERGE FINALIZE]'
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'| output: sum(count(t1.int_col)), sum(sum(t2.float_col)), sum(count(t2.float_col)), sum(sum(t3.bigint_col))'
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'| hosts=3 per-host-mem=unavailable'
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'| tuple-ids=3 row-size=32B cardinality=1'
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'|'
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'08:EXCHANGE [PARTITION=UNPARTITIONED]'
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'| hosts=3 per-host-mem=unavailable'
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'| tuple-ids=3 row-size=32B cardinality=1'
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'|'
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'05:AGGREGATE'
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'| output: count(t1.int_col), sum(t2.float_col), count(t2.float_col), sum(t3.bigint_col)'
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'| hosts=3 per-host-mem=10.00MB'
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'| tuple-ids=3 row-size=32B cardinality=1'
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'|'
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'04:HASH JOIN [LEFT OUTER JOIN, BROADCAST]'
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'| hash predicates: t2.id = t3.id'
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'| other predicates: t3.bool_col = FALSE'
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'| hosts=3 per-host-mem=2.00GB'
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'| tuple-ids=0,1,2N row-size=37B cardinality=unavailable'
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'|'
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'|--07:EXCHANGE [BROADCAST]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=2 row-size=13B cardinality=unavailable'
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'| |'
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'| 02:SCAN HDFS [functional_avro.alltypes t3, PARTITION=RANDOM]'
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'| partitions=24/24 size=470.35KB'
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'| predicates: t3.bool_col = FALSE'
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'| table stats: unavailable'
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'| column stats: unavailable'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=2 row-size=13B cardinality=unavailable'
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'|'
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'03:HASH JOIN [INNER JOIN, BROADCAST]'
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'| hash predicates: t1.id = t2.id'
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'| hosts=3 per-host-mem=2.00GB'
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'| tuple-ids=0,1 row-size=24B cardinality=unavailable'
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'|'
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'|--06:EXCHANGE [BROADCAST]'
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'| | hosts=3 per-host-mem=0B'
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'| | tuple-ids=1 row-size=12B cardinality=unavailable'
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'| |'
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'| 01:SCAN HDFS [functional_parquet.alltypessmall t2, PARTITION=RANDOM]'
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'| partitions=4/4 size=9.63KB'
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'| table stats: unavailable'
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'| columns missing stats: id, float_col'
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'| hosts=3 per-host-mem=16.00MB'
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'| tuple-ids=1 row-size=12B cardinality=unavailable'
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'|'
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'00:SCAN HDFS [functional_avro.alltypes t1, PARTITION=RANDOM]'
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' partitions=2/24 size=39.87KB'
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' table stats: unavailable'
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' columns missing stats: id, int_col'
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' hosts=3 per-host-mem=16.00MB'
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' tuple-ids=0 row-size=12B cardinality=unavailable'
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====
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