[DO NOT MERGE] Testing arrow seg fault #17022
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Everything in the expression evaluation now operates on columns without names. DataFrame construction takes either a mapping from string-valued names to columns, or a sequence of pairs of names and columns. This removes some duplicate code in the NamedColumn class (by removing it) where we had to fight the inheritance hierarchy. - Closes rapidsai#16272
Rather than separating names from columns with tuple return values in IR evaluation, allow columns to optionally have names that are copied around. When we construct a dataframe from columns we now must assert that the column has a name, but otherwise this is OK.
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I'm going to close this as it's gone as far as we need to take it. See apache/arrow#44342 and jemalloc/jemalloc#2739 for more info. |
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