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https://issues.apache.org/jira/browse/IGNITE-25083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Evgeny Stanilovsky reassigned IGNITE-25083:
-------------------------------------------
Assignee: Evgeny Stanilovsky
> Sql. Extend explain output
> --------------------------
>
> Key: IGNITE-25083
> URL: https://issues.apache.org/jira/browse/IGNITE-25083
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Affects Versions: 3.0
> Reporter: Evgeny Stanilovsky
> Assignee: Evgeny Stanilovsky
> Priority: Major
> Labels: ignite-3
>
> Check 2 plans, minimally seems some useful information is missing:
> check for : c=[COUNT()], ck=[COUNT($1)]
> {noformat}
> IgniteProject(EXPR$0=[$0]): rowcount = 4.675, cumulative cost = IgniteCost
> [rowCount=63.72, cpu=170.33370339541932, memory=100.6, io=0.0, network=59.2],
> id = 2902
> IgniteProject(EXPR$0=[OR(AND(IS NULL($3), null, IS NOT TRUE(=($5, 0))),
> AND(IS NOT NULL($2), IS NOT TRUE(=($5, 0)), IS NOT NULL($3)), AND(IS
> TRUE(<($6, $5)), null, IS NOT TRUE(=($5, 0)), IS NOT NULL($3), IS
> NULL($2)))], I=[$3]): rowcount = 4.675, cumulative cost = IgniteCost
> [rowCount=59.045, cpu=165.6587033954193, memory=100.6, io=0.0, network=59.2],
> id = 2901
> IgniteMergeJoin(condition=[=($3, $1)], joinType=[right],
> variablesSet=[[]], leftCollation=[[1 ASC-nulls-first, 0 ASC-nulls-first]],
> rightCollation=[[0 ASC-nulls-first]]): rowcount = 4.675, cumulative cost =
> IgniteCost [rowCount=54.370000000000005, cpu=160.9837033954193, memory=100.6,
> io=0.0, network=59.2], id = 2900
> IgniteColocatedSortAggregate(group=[{0, 1}], i=[LITERAL_AGG(true)],
> collation=[[1 ASC-nulls-first, 0 ASC-nulls-first]]): rowcount = 2.7,
> cumulative cost = IgniteCost [rowCount=14.799999999999999,
> cpu=40.6340855309903, memory=41.8, io=0.0, network=28.8], id = 2892
> IgniteExchange(distribution=[single]): rowcount = 3.6, cumulative
> cost = IgniteCost [rowCount=11.2, cpu=37.034085530990296, memory=28.8,
> io=0.0, network=28.8], id = 2891
> IgniteSort(sort0=[$1], sort1=[$0], dir0=[ASC-nulls-first],
> dir1=[ASC-nulls-first]): rowcount = 3.6, cumulative cost = IgniteCost
> [rowCount=7.6, cpu=33.434085530990295, memory=28.8, io=0.0, network=0.0], id
> = 2890
> IgniteTableScan(table=[[PUBLIC, INTEGERS]], filters=[IS NOT
> NULL($t0)], projects=[[$t0, $t0]], requiredColumns=[{2}]): rowcount = 3.6,
> cumulative cost = IgniteCost [rowCount=4.0, cpu=16.0, memory=0.0, io=0.0,
> network=0.0], id = 377
> IgniteMergeJoin(condition=[=($0, $1)], joinType=[left],
> variablesSet=[[]], leftCollation=[[0 ASC-nulls-first]], rightCollation=[[0
> ASC-nulls-first]]): rowcount = 4.27, cumulative cost = IgniteCost
> [rowCount=32.6, cpu=92.46961786442898, memory=58.8, io=0.0, network=30.4], id
> = 2899
> IgniteExchange(distribution=[single]): rowcount = 4.0, cumulative
> cost = IgniteCost [rowCount=12.0, cpu=28.635532333438686, memory=16.0,
> io=0.0, network=16.0], id = 2894
> IgniteSort(sort0=[$0], dir0=[ASC-nulls-first]): rowcount = 4.0,
> cumulative cost = IgniteCost [rowCount=8.0, cpu=24.635532333438686,
> memory=16.0, io=0.0, network=0.0], id = 2893
> IgniteTableScan(table=[[PUBLIC, INTEGERS]],
> requiredColumns=[{2}]): rowcount = 4.0, cumulative cost = IgniteCost
> [rowCount=4.0, cpu=4.0, memory=0.0, io=0.0, network=0.0], id = 471
> IgniteReduceSortAggregate(rowType=[RecordType(INTEGER $f0, BIGINT c,
> BIGINT ck)], group=[{0}], c=[COUNT()], ck=[COUNT($1)], collation=[[0
> ASC-nulls-first]]): rowcount = 1.8, cumulative cost = IgniteCost
> [rowCount=14.8, cpu=40.63408553099029, memory=42.8, io=0.0, network=14.4], id
> = 2898
> IgniteExchange(distribution=[single]): rowcount = 1.8, cumulative
> cost = IgniteCost [rowCount=13.0, cpu=38.83408553099029, memory=42.8, io=0.0,
> network=14.4], id = 2897
> IgniteMapSortAggregate(group=[{0}], c=[COUNT()], ck=[COUNT($1)],
> collation=[[0 ASC-nulls-first]]): rowcount = 1.8, cumulative cost =
> IgniteCost [rowCount=11.2, cpu=37.034085530990296, memory=42.8, io=0.0,
> network=0.0], id = 2896
> IgniteSort(sort0=[$0], sort1=[$1], dir0=[ASC-nulls-first],
> dir1=[ASC-nulls-first]): rowcount = 3.6, cumulative cost = IgniteCost
> [rowCount=7.6, cpu=33.434085530990295, memory=28.8, io=0.0, network=0.0], id
> = 2895
> IgniteTableScan(table=[[PUBLIC, INTEGERS]], filters=[IS NOT
> NULL($t0)], projects=[[$t0, $t0]]
> {noformat}
> {noformat}
> Project
> fields: [EXPR$0]
> exprs: [EXPR$0]
> est. row count: 1
> Project
> fields: [EXPR$0, I]
> exprs: [OR(AND(IS NULL(I), null, IS NOT TRUE(=(c, 0))), AND(IS NOT
> NULL(i), IS NOT TRUE(=(c, 0)), IS NOT NULL(I)), AND(IS TRUE(<(ck, c)), null,
> IS NOT TRUE(=(c, 0)), IS NOT NULL(I), IS NULL(i))), I]
> est. row count: 1
> MergeJoin
> condition: =(I, $f1)
> joinType: right
> leftCollation: [$f1 ASC, $f0 ASC]
> rightCollation: [$f0 ASC]
> est. row count: 1
> ColocatedSortAggregate
> group: [$f0, $f1]
> aggs: [LITERAL_AGG(true)]
> collation: [$f1 ASC, $f0 ASC]
> est. row count: 1
> Exchange
> distribution: single
> est. row count: 1
> Sort
> collation: [$f1 ASC, $f0 ASC]
> est. row count: 1
> TableScan
> table: [PUBLIC, INTEGERS]
> filters: IS NOT NULL(I)
> fields: [$f0, $f1]
> projects: [I, I]
> est. row count: 1
> MergeJoin
> condition: =(I, $f0)
> joinType: left
> leftCollation: [I ASC]
> rightCollation: [I ASC]
> est. row count: 1
> Exchange
> distribution: single
> est. row count: 1
> Sort
> collation: [I ASC]
> est. row count: 1
> TableScan
> table: [PUBLIC, INTEGERS]
> fields: [I]
> est. row count: 1
> ColocatedSortAggregate
> group: [$f0]
> aggs: [COUNT(), COUNT($f1)]
> collation: [$f0 ASC]
> est. row count: 1
> Exchange
> distribution: single
> est. row count: 1
> Sort
> collation: [$f0 ASC]
> est. row count: 1
> TableScan
> table: [PUBLIC, INTEGERS]
> filters: IS NOT NULL(I)
> fields: [$f0, $f1]
> projects: [I, I]
> est. row count: 1
> {noformat}
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