[feature](mtmv) Support variants rewrite by materialized view #37929
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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TPC-H: Total hot run time: 39642 ms |
TPC-DS: Total hot run time: 175235 ms |
ClickBench: Total hot run time: 30.51 s |
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morrySnow
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Comment on lines
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| if (targetSlot == null) { | ||
| continue; | ||
| } |
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add comment to explain why not print warn log when data type is variant
| } | ||
| if (minExpr != null) { | ||
| targetToTargetReplacementMappingQueryBased.put(queryNameEntry.getValue(), | ||
| constructElementAt(minExpr, minCompensateName)); |
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after rewrite, these new element_at will be push into scan node too?
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yeah, this will push into scan node again by RBO
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ClickBench: Total hot run time: 30.88 s |
morrySnow
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TPC-H: Total hot run time: 40118 ms |
TPC-DS: Total hot run time: 176035 ms |
ClickBench: Total hot run time: 31.13 s |
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TPC-H: Total hot run time: 40190 ms |
TPC-DS: Total hot run time: 174022 ms |
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run buildall |
TPC-H: Total hot run time: 39745 ms |
TPC-DS: Total hot run time: 174339 ms |
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run buildall |
TPC-H: Total hot run time: 40281 ms |
TPC-DS: Total hot run time: 173736 ms |
ClickBench: Total hot run time: 30.9 s |
morrySnow
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Jul 24, 2024
dataroaring
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Support variants rewrite by materialized view
Such as the mv def is as following:
CREATE MATERIALIZED VIEW test1 BUILD IMMEDIATE REFRESH AUTO ON MANUAL
DISTRIBUTED BY RANDOM BUCKETS 2
PROPERTIES ('replication_num' = '1')
as
SELECT
id,
type,
actor,
payload,
payload['pull_request']
FROM github_events1;
the query following can rewrite successfully and the data is right
SELECT
id,
type,
floor(cast(actor['id'] as int) + 100.5),
actor['display_login'],
payload['pull_request']['id']
FROM github_events1;
seawinde
added a commit
to seawinde/doris
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Aug 6, 2024
…#37929) Support variants rewrite by materialized view Such as the mv def is as following: CREATE MATERIALIZED VIEW test1 BUILD IMMEDIATE REFRESH AUTO ON MANUAL DISTRIBUTED BY RANDOM BUCKETS 2 PROPERTIES ('replication_num' = '1') as SELECT id, type, actor, payload, payload['pull_request'] FROM github_events1; the query following can rewrite successfully and the data is right SELECT id, type, floor(cast(actor['id'] as int) + 100.5), actor['display_login'], payload['pull_request']['id'] FROM github_events1;
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Proposed changes
Support variants rewrite by materialized view
Such as the mv def is as following:
the query following can rewrite successfully and the data is right