Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Runaway SQL optimizer in too many nested operators #6292

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

Runaway SQL optimizer in too many nested operators #6292

monetdb-team opened this issue Nov 30, 2020 · 0 comments
Labels
bug Something isn't working normal SQL

Comments

@monetdb-team
Copy link

Date: 2017-04-23 08:18:16 +0200
From: @mlkersten
To: SQL devs <>
Version: 11.25.15 (Dec2016-SP3)
CC: @njnes

Last updated: 2017-07-17 16:07:25 +0200

Comment 25261

Date: 2017-04-23 08:18:16 +0200
From: @mlkersten

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Firefox/52.0
Build Identifier:

Create a table over which we run a small complex query.
Then wrapping the same text in a function causes the
the system to complain about 'too many nested operators'.

Looks like an infinite loop in rel_logical_value()

Test file added

0 sql_error (sql=0x7f1e3c108250, error_code=10, format=0x7f1e6c99cd90 "SELECT: too many nested operators")
at /export/scratch1/mk/Dec2016//package/sql/server/sql_parser.y:6023
1 0x00007f1e6c8bbb63 in rel_logical_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, sc=0x7f1e3c0dbc30, f=2)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:1870
2 0x00007f1e6c8c8a00 in rel_value_exp2 (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=..., is_last=0x7f1e52e05dac)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4461
3 0x00007f1e6c8c8ab2 in rel_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=...)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4476
4 0x00007f1e6c8bdcee in rel_logical_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, sc=0x7f1e3c0dbc30, f=2)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:2284
5 0x00007f1e6c8c8a00 in rel_value_exp2 (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=..., is_last=0x7f1e52e0615c)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4461
6 0x00007f1e6c8c8ab2 in rel_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=...)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4476
7 0x00007f1e6c8bdcee in rel_logical_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, sc=0x7f1e3c0dbc30, f=2)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:2284
8 0x00007f1e6c8c8a00 in rel_value_exp2 (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=..., is_last=0x7f1e52e0650c)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4461
9 0x00007f1e6c8c8ab2 in rel_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=...)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4476
10 0x00007f1e6c8bdcee in rel_logical_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, sc=0x7f1e3c0dbc30, f=2)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:2284
11 0x00007f1e6c8c8a00 in rel_value_exp2 (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=..., is_last=0x7f1e52e068bc)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4461
12 0x00007f1e6c8c8ab2 in rel_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=...)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4476
13 0x00007f1e6c8bdcee in rel_logical_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, sc=0x7f1e3c0dbc30, f=2)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:2284
14 0x00007f1e6c8c8a00 in rel_value_exp2 (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=..., is_last=0x7f1e52e06c6c)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4461
15 0x00007f1e6c8c8ab2 in rel_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, se=0x7f1e3c0dbc30, f=2, ek=...)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:4476
16 0x00007f1e6c8bdcee in rel_logical_value_exp (sql=0x7f1e3c108250, rel=0x7f1e53001588, sc=0x7f1e3c0dbc30, f=2)
at /export/scratch1/mk/Dec2016//package/sql/server/rel_select.c:2284

Reproducible: Always

Comment 25262

Date: 2017-04-23 08:21:26 +0200
From: MonetDB Mercurial Repository <>

Changeset 3f6e864df6b4 made by Martin Kersten mk@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=3f6e864df6b4

Changeset description:

Added test for bug #6292

Comment 25296

Date: 2017-05-11 15:26:21 +0200
From: MonetDB Mercurial Repository <>

Changeset 9bb37272aa9f made by Martin van Dinther martin.van.dinther@monetdbsolutions.com in the MonetDB repo, refers to this bug.

For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=9bb37272aa9f

Changeset description:

Add missing nestedoperators.Bug-6292.stable.* files for Bug #6292

Comment 25375

Date: 2017-06-07 15:09:09 +0200
From: MonetDB Mercurial Repository <>

Changeset 16a4efa7b3dc 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=16a4efa7b3dc

Changeset description:

fixed nested operators bug #6292 (ie allow with in function creation)

Comment 25376

Date: 2017-06-07 15:09:45 +0200
From: @njnes

added missing handling of with in function creation

@monetdb-team monetdb-team added bug Something isn't working normal SQL labels Nov 30, 2020
@sjoerdmullender sjoerdmullender added this to the Ancient Release milestone Feb 7, 2022
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
bug Something isn't working normal SQL
Projects
None yet
Development

No branches or pull requests

2 participants