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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/12/27 12:40:44 UTC

[GitHub] [arrow-datafusion] alamb commented on a diff in pull request #4740: Cleanup InformationSchema plumbing

alamb commented on code in PR #4740:
URL: https://github.com/apache/arrow-datafusion/pull/4740#discussion_r1057656363


##########
datafusion/core/src/execution/context.rs:
##########
@@ -1721,6 +1653,12 @@ impl SessionState {
         table_ref: impl Into<TableReference<'a>>,
     ) -> Result<Arc<dyn SchemaProvider>> {
         let resolved_ref = self.resolve_table_ref(table_ref);
+        if self.config.information_schema() && resolved_ref.schema == INFORMATION_SCHEMA {
+            return Ok(Arc::new(InformationSchemaProvider::new(

Review Comment:
   This is cool -- it makes the information schema provider on demand 👍 



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