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Posted to commits@doris.apache.org by "englefly (via GitHub)" <gi...@apache.org> on 2026/02/02 08:39:35 UTC

[PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

englefly opened a new pull request, #60435:
URL: https://github.com/apache/doris/pull/60435

   ### What problem does this PR solve?
   Move WhenClause filtering from extraction phase (CommonSubExpressionOpt) to collection phase (CommonSubExpressionCollector) to prevent inconsistency that produces empty intermediate projection layers.
   
   Issue Number: close #xxx
   
   Related PR: #xxx
   
   Problem Summary:
   
   ### Release note
   
   None
   
   ### Check List (For Author)
   
   - Test <!-- At least one of them must be included. -->
       - [ ] Regression test
       - [ ] Unit Test
       - [ ] Manual test (add detailed scripts or steps below)
       - [ ] No need to test or manual test. Explain why:
           - [ ] This is a refactor/code format and no logic has been changed.
           - [ ] Previous test can cover this change.
           - [ ] No code files have been changed.
           - [ ] Other reason <!-- Add your reason?  -->
   
   - Behavior changed:
       - [ ] No.
       - [ ] Yes. <!-- Explain the behavior change -->
   
   - Does this need documentation?
       - [ ] No.
       - [ ] Yes. <!-- Add document PR link here. eg: https://github.com/apache/doris-website/pull/1214 -->
   
   ### Check List (For Reviewer who merge this PR)
   
   - [ ] Confirm the release note
   - [ ] Confirm test cases
   - [ ] Confirm document
   - [ ] Add branch pick label <!-- Add branch pick label that this PR should merge into -->
   
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3834757714

   # FE Regression Coverage Report
   Increment line coverage `  100.00% (2/2)` :tada:
   [Increment coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/increment_report/index.html)
   [Complete coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/report/index.html)
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "englefly (via GitHub)" <gi...@apache.org>.
englefly commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3838394284

   run buildall


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3838814473

   # FE UT Coverage Report
   Increment line coverage `  50.00% (1/2)` :tada:
   [Increment coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4/fe_increment_report/index.html)
   [Complete coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4/fe_report/index.html)
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3845583667

   PR approved by anyone and no changes requested.


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "doris-robot (via GitHub)" <gi...@apache.org>.
doris-robot commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3838624864

   
   <details>
   <summary>TPC-H: <b>Total hot run time: 31668 ms</b></summary>
   
   ```
   machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
   scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
   Tpch sf100 test result on commit 06e75d50048f182a08e0c6c7113964b03e14d8f4, data reload: false
   
   ------ Round 1 ----------------------------------
   q1	17667	5362	5065	5065
   q2	2176	308	203	203
   q3	10235	1287	751	751
   q4	10243	859	308	308
   q5	7509	2065	1979	1979
   q6	195	177	145	145
   q7	861	722	602	602
   q8	9278	1386	1137	1137
   q9	5238	4800	4702	4702
   q10	7158	1940	1553	1553
   q11	540	287	269	269
   q12	348	370	224	224
   q13	17778	3993	3258	3258
   q14	236	245	218	218
   q15	908	840	818	818
   q16	668	668	621	621
   q17	637	757	538	538
   q18	6769	6513	6255	6255
   q19	1272	982	612	612
   q20	397	346	237	237
   q21	2541	1977	1895	1895
   q22	347	311	278	278
   Total cold run time: 103001 ms
   Total hot run time: 31668 ms
   
   ----- Round 2, with runtime_filter_mode=off -----
   q1	5293	5253	5270	5253
   q2	267	343	251	251
   q3	2154	2684	2313	2313
   q4	1311	1702	1319	1319
   q5	4307	4133	4181	4133
   q6	217	186	141	141
   q7	2315	2096	1832	1832
   q8	2579	2512	2401	2401
   q9	7416	7454	7510	7454
   q10	2824	3019	2645	2645
   q11	549	490	470	470
   q12	692	735	607	607
   q13	3920	4695	3414	3414
   q14	295	303	303	303
   q15	886	859	842	842
   q16	687	743	725	725
   q17	1210	1375	1492	1375
   q18	8182	8039	7765	7765
   q19	858	819	837	819
   q20	2045	2052	1894	1894
   q21	4479	4165	4465	4165
   q22	591	549	510	510
   Total cold run time: 53077 ms
   Total hot run time: 50631 ms
   ```
   </details>
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "englefly (via GitHub)" <gi...@apache.org>.
englefly merged PR #60435:
URL: https://github.com/apache/doris/pull/60435


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3838981445

   # FE Regression Coverage Report
   Increment line coverage `  100.00% (2/2)` :tada:
   [Increment coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/increment_report/index.html)
   [Complete coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/report/index.html)
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "doris-robot (via GitHub)" <gi...@apache.org>.
doris-robot commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3833876883

   
   <details>
   <summary>TPC-H: <b>Total hot run time: 31694 ms</b></summary>
   
   ```
   machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
   scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
   Tpch sf100 test result on commit 06e75d50048f182a08e0c6c7113964b03e14d8f4, data reload: false
   
   ------ Round 1 ----------------------------------
   q1	17675	5320	5107	5107
   q2	2020	357	189	189
   q3	10175	1281	732	732
   q4	10214	876	319	319
   q5	7534	2113	1909	1909
   q6	196	179	148	148
   q7	855	736	608	608
   q8	9259	1306	1072	1072
   q9	5250	4775	4741	4741
   q10	6856	1928	1550	1550
   q11	504	301	265	265
   q12	363	376	222	222
   q13	17789	4026	3237	3237
   q14	234	241	217	217
   q15	913	814	817	814
   q16	682	667	613	613
   q17	625	731	516	516
   q18	6758	6444	6403	6403
   q19	1584	981	612	612
   q20	396	331	237	237
   q21	2555	1998	1913	1913
   q22	353	316	270	270
   Total cold run time: 102790 ms
   Total hot run time: 31694 ms
   
   ----- Round 2, with runtime_filter_mode=off -----
   q1	5373	5358	5356	5356
   q2	255	348	257	257
   q3	2174	2752	2265	2265
   q4	1321	1715	1305	1305
   q5	4252	4215	4330	4215
   q6	207	179	138	138
   q7	2175	2138	1983	1983
   q8	2793	2473	2333	2333
   q9	7464	7620	7499	7499
   q10	2871	3079	2745	2745
   q11	567	487	458	458
   q12	655	721	601	601
   q13	3873	4607	3583	3583
   q14	306	334	287	287
   q15	876	851	834	834
   q16	678	734	671	671
   q17	1133	1414	1382	1382
   q18	7917	7882	7731	7731
   q19	844	805	993	805
   q20	2053	2138	2020	2020
   q21	4667	4295	4035	4035
   q22	557	538	522	522
   Total cold run time: 53011 ms
   Total hot run time: 51025 ms
   ```
   </details>
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "englefly (via GitHub)" <gi...@apache.org>.
englefly commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3833752503

   run buildall


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "doris-robot (via GitHub)" <gi...@apache.org>.
doris-robot commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3838737048

   
   <details>
   <summary>ClickBench: <b>Total hot run time: 28.35 s</b></summary>
   
   ```
   machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
   scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
   ClickBench test result on commit 06e75d50048f182a08e0c6c7113964b03e14d8f4, data reload: false
   
   query1	0.06	0.06	0.05
   query2	0.10	0.05	0.05
   query3	0.26	0.09	0.08
   query4	1.61	0.11	0.11
   query5	0.28	0.26	0.26
   query6	1.19	0.67	0.67
   query7	0.04	0.02	0.02
   query8	0.05	0.04	0.04
   query9	0.57	0.50	0.50
   query10	0.55	0.55	0.55
   query11	0.14	0.09	0.10
   query12	0.15	0.11	0.11
   query13	0.64	0.61	0.61
   query14	1.08	1.06	1.05
   query15	0.89	0.86	0.87
   query16	0.41	0.38	0.38
   query17	1.17	1.10	1.12
   query18	0.23	0.21	0.21
   query19	2.06	2.02	2.09
   query20	0.02	0.01	0.02
   query21	15.40	0.25	0.14
   query22	5.08	0.05	0.05
   query23	15.84	0.27	0.11
   query24	1.50	0.25	0.17
   query25	0.07	0.08	0.08
   query26	0.15	0.13	0.14
   query27	0.08	0.08	0.09
   query28	4.20	1.15	0.96
   query29	12.51	3.93	3.17
   query30	0.28	0.14	0.13
   query31	2.81	0.60	0.41
   query32	3.23	0.60	0.50
   query33	3.30	3.24	3.31
   query34	16.36	5.42	4.75
   query35	4.80	4.83	4.81
   query36	0.64	0.50	0.49
   query37	0.10	0.07	0.07
   query38	0.08	0.04	0.04
   query39	0.05	0.03	0.02
   query40	0.18	0.17	0.15
   query41	0.09	0.03	0.04
   query42	0.04	0.03	0.02
   query43	0.05	0.04	0.03
   Total cold run time: 98.34 s
   Total hot run time: 28.35 s
   ```
   </details>
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3839011622

   # FE Regression Coverage Report
   Increment line coverage `  100.00% (2/2)` :tada:
   [Increment coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/increment_report/index.html)
   [Complete coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/report/index.html)
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3839048022

   # FE Regression Coverage Report
   Increment line coverage `  100.00% (2/2)` :tada:
   [Increment coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/increment_report/index.html)
   [Complete coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/report/index.html)
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "doris-robot (via GitHub)" <gi...@apache.org>.
doris-robot commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3833950632

   
   <details>
   <summary>ClickBench: <b>Total hot run time: 28.46 s</b></summary>
   
   ```
   machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
   scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
   ClickBench test result on commit 06e75d50048f182a08e0c6c7113964b03e14d8f4, data reload: false
   
   query1	0.06	0.05	0.04
   query2	0.09	0.04	0.04
   query3	0.25	0.08	0.08
   query4	1.61	0.11	0.11
   query5	0.30	0.27	0.24
   query6	1.17	0.69	0.69
   query7	0.03	0.02	0.02
   query8	0.06	0.04	0.05
   query9	0.58	0.50	0.50
   query10	0.53	0.55	0.55
   query11	0.14	0.10	0.10
   query12	0.14	0.11	0.10
   query13	0.64	0.62	0.62
   query14	1.08	1.06	1.06
   query15	0.89	0.85	0.87
   query16	0.41	0.41	0.39
   query17	1.12	1.16	1.15
   query18	0.24	0.22	0.22
   query19	2.04	2.01	2.06
   query20	0.02	0.01	0.02
   query21	15.40	0.29	0.14
   query22	5.38	0.05	0.05
   query23	16.21	0.27	0.10
   query24	1.61	0.73	0.26
   query25	0.12	0.12	0.06
   query26	0.13	0.13	0.14
   query27	0.07	0.07	0.07
   query28	5.08	1.15	0.96
   query29	12.56	3.90	3.18
   query30	0.29	0.13	0.12
   query31	2.81	0.64	0.40
   query32	3.24	0.60	0.52
   query33	3.20	3.25	3.25
   query34	16.23	5.42	4.73
   query35	4.72	4.81	4.80
   query36	0.64	0.51	0.49
   query37	0.11	0.07	0.07
   query38	0.07	0.04	0.04
   query39	0.04	0.03	0.03
   query40	0.19	0.16	0.15
   query41	0.10	0.03	0.03
   query42	0.04	0.03	0.03
   query43	0.05	0.04	0.03
   Total cold run time: 99.69 s
   Total hot run time: 28.46 s
   ```
   </details>
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "Thearas (via GitHub)" <gi...@apache.org>.
Thearas commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3833749303

   
   Thank you for your contribution to Apache Doris.
   Don't know what should be done next? See [How to process your PR](https://cwiki.apache.org/confluence/display/DORIS/How+to+process+your+PR).
   
   Please clearly describe your PR:
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   2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
   3. What features were added. Why was this function added?
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   5. Which functions were optimized and what is the difference before and after the optimization?
       


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3834046977

   # FE UT Coverage Report
   Increment line coverage `` :tada:
   [Increment coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4/fe_increment_report/index.html)
   [Complete coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4/fe_report/index.html)
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "hello-stephen (via GitHub)" <gi...@apache.org>.
hello-stephen commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3839025920

   # FE Regression Coverage Report
   Increment line coverage `  100.00% (2/2)` :tada:
   [Increment coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/increment_report/index.html)
   [Complete coverage report](http://coverage.selectdb-in.cc/coverage/60435_06e75d50048f182a08e0c6c7113964b03e14d8f4_merge_fe/report/index.html)
   


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Re: [PR] [fix](nereids) fix empty layer in CommonSubExpressionOpt when WhenClause is the only common sub-expression [doris]

Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #60435:
URL: https://github.com/apache/doris/pull/60435#issuecomment-3845583554

   PR approved by at least one committer and no changes requested.


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