Prefix temp relations with model name instead of alias (#1321) #1342
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Fixes #1321
Change everywhere we make a temp relation named like
{???}_dbt_, to usenameinstead ofalias. This should avoid collisions when multiple models with the same aliases in different schemas are building at the same time, because model names are required to be unique.I'm struggling to come up with a good way to reliably test this, but existing tests didn't appear to break.