iffyio commented on code in PR #1976:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1976#discussion_r2231396257
##########
tests/sqlparser_bigquery.rs:
##########
@@ -2566,3 +2566,24 @@ fn test_struct_trailing_and_nested_bracket() {
)
);
}
+
+#[test]
+fn test_export() {
Review Comment:
Since this introduces a new statement, can we include an assertion on the
AST for one of the statements, checking that the returned AST looks like what
we expect? [For
example](https://github.com/apache/datafusion-sqlparser-rs/blob/1a7e8d969ae509d99f5f9aa1136092da002a77c6/tests/sqlparser_bigquery.rs#L2203-L2232)
Also could we add coverage for some scenarios like the following?
```
"EXPORT DATA OPTIONS()";
"EXPORT DATA AS SELECT ...";
"EXPORT DATA WITH CONNECTION ... AS SELECT ..."
```
##########
src/parser/mod.rs:
##########
@@ -645,6 +645,7 @@ impl<'a> Parser<'a> {
Keyword::COMMENT if self.dialect.supports_comment_on() =>
self.parse_comment(),
Keyword::PRINT => self.parse_print(),
Keyword::RETURN => self.parse_return(),
+ Keyword::EXPORT => self.parse_export(),
Review Comment:
Could we do [similar to
here](https://github.com/apache/datafusion-sqlparser-rs/blob/1a7e8d969ae509d99f5f9aa1136092da002a77c6/src/parser/mod.rs#L607)
where we call `prev_token()` so that the `parse-export()` function is stand
alone and able to parse a complete statement?
##########
src/parser/mod.rs:
##########
@@ -16510,6 +16511,27 @@ impl<'a> Parser<'a> {
}
}
+ fn parse_export(&mut self) -> Result<Statement, ParserError> {
Review Comment:
```suggestion
fn parse_export_date(&mut self) -> Result<Statement, ParserError> {
```
Could we also add a short description mentioning that this parses a
`Statement::ExportData` statement? [For
example](https://github.com/apache/datafusion-sqlparser-rs/blob/1a7e8d969ae509d99f5f9aa1136092da002a77c6/src/parser/mod.rs#L659-L661)
##########
src/ast/mod.rs:
##########
@@ -4355,6 +4355,14 @@ pub enum Statement {
///
/// See [ReturnStatement]
Return(ReturnStatement),
+ /// Export data statement
+ ///
+ /// Example:
+ /// ```sql
+ /// EXPORT DATA OPTIONS(uri='gs://bucket/folder/*', format='PARQUET',
overwrite=true) AS
+ /// SELECT field1, field2 FROM mydataset.table1 ORDER BY field1 LIMIT 10
+ /// ```
+ ExportData(ExportData),
Review Comment:
Could we add a link to the bigquery docs where the syntax comes from?
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