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Creating a table from a complex query crashes mserver or triggers assertion #3921

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monetdb-team opened this issue Nov 30, 2020 · 0 comments
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@monetdb-team monetdb-team commented Nov 30, 2020

Date: 2016-02-11 15:27:28 +0100
From: @hannesmuehleisen
To: SQL devs <>
Version: 11.19.3 (Oct2014)
CC: ajdamico, @njnes

Last updated: 2016-03-25 09:59:32 +0100

Comment 21778

Date: 2016-02-11 15:27:28 +0100
From: @hannesmuehleisen

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103 Safari/537.36
Build Identifier:

Running these queries produces a crash.

create table ep (pde_id clob, bene_id clob, srvc_dt clob, prod_srvc_id clob, plan_cntrct_rec_id clob, plan_pbp_rec_num clob, qty_dspnsd_num double, days_suply_num double, drug_cvrg_stus_cd clob, ctstrphc_cvrg_cd clob, ptnt_pay_amt double, othr_troop_amt double, lics_amt double, plro_amt double, cvrd_d_plan_pd_amt double, ncvrd_plan_pd_amt double, tot_rx_cst_amt double, benefit_phase clob, ccw_pharmacy_id double, ccw_prscrbr_id double, pde_prscrbr_id_frmt_cd clob, formulary_id clob, frmlry_rx_id clob, rptd_gap_dscnt_num double, brnd_gnrc_cd clob, rx_c_cov double, rx_c_lics double, rx_c_tpc double, rx_c_tdc double, rx_c_oop double, rx_c_gdc double, rx_e_cov double, rx_e_lics double, rx_e_tpc double, rx_e_tdc double, rx_e_oop double, rx_e_gdc double, rx_o_cov double, rx_o_lics double, rx_o_tpc double, rx_o_tdc double, rx_o_oop double, rx_o_gdc double, rx_ce_cov double, rx_ce_lics double, rx_ce_tpc double, rx_ce_tdc double, rx_ce_oop double, rx_ce_gdc double, rx_co_cov double, rx_co_lics double, rx_co_tpc double, rx_co_tdc double, rx_co_oop double, rx_co_gdc double, rx_eo_cov double, rx_eo_lics double, rx_eo_tpc double, rx_eo_tdc double, rx_eo_oop double, rx_eo_gdc double, rx_ceo_cov double, rx_ceo_lics double, rx_ceo_tpc double, rx_ceo_tdc double, rx_ceo_oop double, rx_ceo_gdc double);

create table aep13 as select bene_id ,CAST( COUNT( DISTINCT CASE WHEN drug_cvrg_stus_cd IN ('c') THEN ccw_prscrbr_id END ) AS DOUBLE ) as rx_c_pre,CAST( COUNT( DISTINCT CASE WHEN drug_cvrg_stus_cd IN ('c') THEN ccw_pharmacy_id END ) AS DOUBLE ) as rx_c_pha from ep group by bene_id WITH DATA;

Assertion: >Assertion failed: (cname), function exp_column, file rel_exp.c, line 464.

Stack trace:

frame 0: 0x00007fff95b26002 libsystem_kernel.dylib__pthread_kill + 10 frame 1: 0x00007fff9aed75c5 libsystem_pthread.dylibpthread_kill + 90
frame 2: 0x00007fff901026e7 libsystem_c.dylibabort + 129 frame 3: 0x00007fff900c9df8 libsystem_c.dylib__assert_rtn + 321
frame 4: 0x0000000104d8bc8d lib_sql.soexp_column(sa=0x0000000104740e20, rname=0x0000000000000000, cname=0x0000000000000000, t=0x0000000102137590, card=3, has_nils=1, intern=0) + 141 at rel_exp.c:464 frame 5: 0x0000000104db9f86 lib_sql.sorel_groupby_distinct2(changes=0x0000700000809794, sql=0x000000010205e210, rel=0x00000001021360b0) + 1126 at rel_optimizer.c:4583
frame 6: 0x0000000104da7ed1 lib_sql.sorel_groupby_distinct(changes=0x0000700000809794, sql=0x000000010205e210, rel=0x00000001021360b0) + 481 at rel_optimizer.c:4643 frame 7: 0x0000000104d9a1ee lib_sql.sorewrite(sql=0x000000010205e210, rel=0x00000001021360b0, rewriter=(lib_sql.sorel_groupby_distinct at rel_optimizer.c:4620), has_changes=0x00007000008098ac) + 430 at rel_optimizer.c:7678 frame 8: 0x0000000104d9a128 lib_sql.sorewrite(sql=0x000000010205e210, rel=0x0000000102136250, rewriter=(lib_sql.sorel_groupby_distinct at rel_optimizer.c:4620), has_changes=0x00007000008098ac) + 232 at rel_optimizer.c:7664 frame 9: 0x0000000104d9a1d4 lib_sql.sorewrite(sql=0x000000010205e210, rel=0x0000000102139eb0, rewriter=(lib_sql.sorel_groupby_distinct at rel_optimizer.c:4620), has_changes=0x00007000008098ac) + 404 at rel_optimizer.c:7675 frame 10: 0x0000000104d984c4 lib_sql.so_rel_optimizer(sql=0x000000010205e210, rel=0x0000000102139eb0, level=0) + 1524 at rel_optimizer.c:7848
frame 11: 0x0000000104d97e9d lib_sql.sorel_optimizer(sql=0x000000010205e210, rel=0x0000000102139eb0) + 45 at rel_optimizer.c:7909 frame 12: 0x0000000104c56185 lib_sql.sosql_symbol2relation(c=0x000000010205e210, sym=0x0000000102132c10) + 101 at sql.c:118
frame 13: 0x0000000104c842d5 lib_sql.soSQLparser(c=0x0000000103006340) + 3477 at sql_scenario.c:1189 frame 14: 0x0000000100069a70 libmonetdb5.19.dylibrunPhase(c=0x0000000103006340, phase=1) + 112 at mal_scenario.c:531
frame 15: 0x00000001000696e5 libmonetdb5.19.dylibrunScenarioBody(c=0x0000000103006340) + 485 at mal_scenario.c:567 frame 16: 0x000000010006947b libmonetdb5.19.dylibrunScenario(c=0x0000000103006340) + 91 at mal_scenario.c:595
frame 17: 0x000000010006b72e libmonetdb5.19.dylib`MSserveClient(dummy=0x0000000103006340) + 494 at mal_session.c:445

Reproducible: Always

Comment 21779

Date: 2016-02-11 15:33:39 +0100
From: MonetDB Mercurial Repository <>

Changeset c9829154dcbb made by Hannes Muehleisen hannes@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=c9829154dcbb

Changeset description:

Test for Bug #3921

Comment 21781

Date: 2016-02-11 16:18:16 +0100
From: @hannesmuehleisen

This was naturally found by our resident bug-bloodhound A.D.

Comment 21788

Date: 2016-02-13 13:34:23 +0100
From: MonetDB Mercurial Repository <>

Changeset 3f7b5a1465d3 made by Niels Nes niels@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=3f7b5a1465d3

Changeset description:

fixed bug #3920 and 3921, make sure we name aggregation expressions
properly.

Comment 21789

Date: 2016-02-13 19:11:48 +0100
From: @njnes

fixed by adding names.

Comment 21969

Date: 2016-03-25 09:59:32 +0100
From: @sjoerdmullender

Jul2015-SP3 has been released.

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