alamb commented on code in PR #7291:
URL: https://github.com/apache/arrow-datafusion/pull/7291#discussion_r1297158154
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datafusion/sql/src/parser.rs:
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@@ -44,6 +44,35 @@ fn parse_file_type(s: &str) -> Result<String, ParserError> {
Ok(s.to_uppercase())
}
+/// DataFusion specific EXPLAIN (needed so we can EXPLAIN datafusion
Review Comment:
I think the high level rationale is that sqlparser-rs intends to parse sql
for one or more existing "standard" sql dialects (like MySQL or Postgres).
However, these statements (`COPY` and `CREATE EXTERNAL TABLE` are DataFusion
specific extensions). I will make a PR with some docs to to try and clarify
this rationale
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