leoyvens commented on issue #15686:
URL: https://github.com/apache/datafusion/issues/15686#issuecomment-2805353246
Ok I hear you, I'll try to do this without touching the parser and its
configs.
A concern with an LHS coercion is efficient pushdown. `col = x'lit'` can
make use of statistics and parquet-level pruning, while `col::bytea = x'lit'`
is a full-column scan.
I will try to pursue the following approach:
1. We do the LHS coercion.
2. The `ExprSimplifier` is extended to expressions of the form:
```
Cast(fixed_size_binary_col, 'Binary') = x'lit'
```
If the lengths don't match, it is simplified to `false`, if they do match,
the cast is moved to the RHS.
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