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  • Tom Lane's avatar
    aef7a0c8
    Parse JOIN/ON conditions with the proper visibility of input columns, · aef7a0c8
    Tom Lane authored 
    ie, consider only the columns coming from the JOIN clause's sub-clauses.
Also detect attempts to reference columns belonging to other tables
(which would still be possible using an explicitly-qualified name).
I'm not sure this implements the spec's semantics 100% accurately, but
at least it gives plausible behavior.
    aef7a0c8
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    Parse JOIN/ON conditions with the proper visibility of input columns,
    Tom Lane authored 
    ie, consider only the columns coming from the JOIN clause's sub-clauses.
Also detect attempts to reference columns belonging to other tables
(which would still be possible using an explicitly-qualified name).
I'm not sure this implements the spec's semantics 100% accurately, but
at least it gives plausible behavior.