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analyzer: fix fields of subqueries too on prune_columns #574
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ajnavarro
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Dec 13, 2018
kuba--
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jfontan
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Dec 13, 2018
erizocosmico
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Signed-off-by: Miguel Molina <[email protected]>
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Also, removes
subqueryBarrier, asSubqueryAliasalready acts as a barrier.Since the subqueries are fully analyzed way before the main tree gets to prune_columns, it's important that in this last pass the field fixing is done for every part of the tree to consolidate the schema after later rules have been executed on the subquery trees.