fix SQL: select count(*) from table #347
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| pub fn project_schema_safe( | ||
| schema: &SchemaRef, | ||
| projection: Option<&Vec<usize>>, | ||
| ) -> DataFusionResult<SchemaRef> { | ||
| let schema = match projection { | ||
| Some(columns) => { | ||
| if columns.is_empty() { |
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Hmm, the reason this was added is because its needed for the unparser, so this change will break the federated table case.
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Hmm, the reason this was added is because its needed for the unparser, so this change will break the federated table case.
for example? can you give a SQL, and I try fix them.
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fix #345
I don't know how to add unit test, so I add it to example.