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mserver5: rel_optimizer.c:5444: rel_push_project_up: Assertion `e' failed. #6077

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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: 2016-10-13 13:35:44 +0200
From: Bo Tang <>
To: SQL devs <>
Version: 11.23.13 (Jun2016-SP2)
CC: @njnes, @drstmane

Last updated: 2016-12-21 13:08:02 +0100

Comment 24507

Date: 2016-10-13 13:35:44 +0200
From: Bo Tang <>

User-Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36
Build Identifier:

sqlsmith triggered the following assertion:

rel_optimizer.c:5444: rel_push_project_up: Assertion `e' failed.

Reproducible: Always

Steps to Reproduce:

  1. start mserver5 with database "tpch-1" (i.e., tpch dataset with scale factor 1)
  2. run the above query

Actual Results:

mserver5 aborted

Comment 24508

Date: 2016-10-13 13:38:05 +0200
From: Bo Tang <>

Created attachment 477
the query triggered "rel_optimizer.c:5444: rel_push_project_up: Assertion `e' failed."

Attached file: bug-3.sql (application/sql, 1844 bytes)
Description: the query triggered "rel_optimizer.c:5444: rel_push_project_up: Assertion `e' failed."

Comment 24523

Date: 2016-10-17 14:54:31 +0200
From: @drstmane

To reproduce the assertion, only the TPC-H schema is requires, no TPC-H data is required.

Comment 24545

Date: 2016-10-19 14:22:14 +0200
From: MonetDB Mercurial Repository <>

Changeset ce980adad65b 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=ce980adad65b

Changeset description:

fixed bugs 6078, 6077 and 6076
All related to naming a table producing function.

Comment 24548

Date: 2016-10-19 14:23:02 +0200
From: @njnes

fixed in Jun2016

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