alamb commented on code in PR #20237:
URL: https://github.com/apache/datafusion/pull/20237#discussion_r2783332696
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datafusion/sqllogictest/test_files/projection_pushdown.slt:
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@@ -969,10 +968,9 @@ query TT
EXPLAIN SELECT s['value'] + s['value'] as doubled FROM simple_struct WHERE id
> 2;
----
logical_plan
-01)Projection: __common_expr_1 + __common_expr_1 AS doubled
-02)--Projection: get_field(simple_struct.s, Utf8("value")) AS __common_expr_1
-03)----Filter: simple_struct.id > Int64(2)
-04)------TableScan: simple_struct projection=[id, s],
partial_filters=[simple_struct.id > Int64(2)]
+01)Projection: get_field(simple_struct.s, Utf8("value")) +
get_field(simple_struct.s, Utf8("value")) AS doubled
Review Comment:
this looks like a nicer plan to me (one less level of Projection)
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