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whereIn() with empty array #477

bblack opened this issue Sep 11, 2014 · 2 comments

whereIn() with empty array #477

bblack opened this issue Sep 11, 2014 · 2 comments


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@bblack bblack commented Sep 11, 2014

Consider the call:

knex('people').whereIn('name', names)

If names is an empty array, the generated query will have invalid syntax:

select * from "people" where "name" in ()

Can knex support empty arrays for whereIn()? e.g. by generating something like

select * from "people" where false
@tgriesser tgriesser closed this in 5280e6e Oct 1, 2014
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@tgriesser tgriesser commented Oct 1, 2014

Added, also added .orWhereIn('name', []) to yield select * from 'people' where true

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@runeh runeh commented Oct 20, 2014

It seems like sqlite doesn't support the "where false" syntax. This query:

db('users').whereIn('id', []);

Worked on my sqlite db in knex 0.6.22, but fails in 0.7.x . The error is:

SQLITE_ERROR: no such column: false

Not sure if I'm reading this right, but doesn't seem to support bools here:

@tgriesser tgriesser reopened this Oct 20, 2014
runeh added a commit to runeh/knex that referenced this issue Oct 20, 2014
tgriesser added a commit that referenced this issue Feb 25, 2015
* SQLite uses integers, not booleans
* whereIn/whereNotIn with empty array uses a boolean
* Closes #477
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