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| author | Bruno Alla <bruno.alla@founders4schools.org.uk> | 2015-12-08 18:31:55 +0000 |
|---|---|---|
| committer | Tim Graham <timograham@gmail.com> | 2015-12-11 08:45:12 -0500 |
| commit | 740feb48017e92d1edc11e2d9eba5cf8b9eea3af (patch) | |
| tree | 72822f072b7fb8b1a0fccd2f2c2a6c0a677874fe /docs | |
| parent | 9f3ce6d987f2a78dc97f6147efac41071c2ec085 (diff) | |
[1.9.x] Fixed #25893 -- Corrected custom lookups example.
Backport of ffcdb0b471d0afc72b42b0a2b0c0c4fb45d7b6b1 from master
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/howto/custom-lookups.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/howto/custom-lookups.txt b/docs/howto/custom-lookups.txt index f398618e39..a795326c21 100644 --- a/docs/howto/custom-lookups.txt +++ b/docs/howto/custom-lookups.txt @@ -194,10 +194,10 @@ The implementation is:: There are a couple of notable things going on. First, ``AbsoluteValueLessThan`` isn't calling ``process_lhs()``. Instead it skips the transformation of the ``lhs`` done by ``AbsoluteValue`` and uses the original ``lhs``. That is, we -want to get ``27`` not ``ABS(27)``. Referring directly to ``self.lhs.lhs`` is -safe as ``AbsoluteValueLessThan`` can be accessed only from the -``AbsoluteValue`` lookup, that is the ``lhs`` is always an instance of -``AbsoluteValue``. +want to get ``"experiments"."change"`` not ``ABS("experiments"."change")``. +Referring directly to ``self.lhs.lhs`` is safe as ``AbsoluteValueLessThan`` +can be accessed only from the ``AbsoluteValue`` lookup, that is the ``lhs`` +is always an instance of ``AbsoluteValue``. Notice also that as both sides are used multiple times in the query the params need to contain ``lhs_params`` and ``rhs_params`` multiple times. |
