Literal 'From' in WHERE clause misparsed

Question

Literal 'From' in WHERE clause misparsed

allanstreib opened this issue 3 years ago · comments

echo  "a,b\nTraveling From Abroad,To Home" | q -H -d, "select * from - where a = 'Traveling From Abroad'"

produces the reponse "No files matching 'Abroad'' have been found"

Workaround

echo  "a,b\nTraveling From Abroad,To Home" | q -H -d, "select * from - where a like 'Traveling%Abroad'"

produces the (correct) response "Traveling From Abroad,To Home"

David Ongaro · Answer 1 · Tue Oct 12 2021 08:54:06 GMT+0800 (China Standard Time)

I think you miss the -e option for echo, but in fact the input doesn't matter so much to reproduce the bug (which it seems to be).

allanstreib · Answer 2 · Tue Oct 12 2021 12:25:55 GMT+0800 (China Standard Time)

Yes, you may need that. On my platform (OpenBSD/ksh) it is the default behavior.

Oblomov · Answer 3 · Tue Oct 12 2021 15:48:23 GMT+0800 (China Standard Time)

That's why you use printf instead of echo, avoids these ambiguities ;-)

Harel Ben-Attia · Answer 4 · Sat Oct 16 2021 15:38:35 GMT+0800 (China Standard Time)

Hi, sorry for the late response. I'm focused on packaging in order to release a new major version 3.0.0 with lots of big changes.

I'll dive into this right after the release is done.

Regardless, after this release, the next step would be to finally have a proper AST parsing mechanism for the SQL parsing, that will mitigate such issues.