graup commented on code in PR #1679:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1679#discussion_r1932661673
##########
tests/sqlparser_bigquery.rs:
##########
@@ -2214,6 +2214,30 @@ fn test_select_as_value() {
assert_eq!(Some(ValueTableMode::AsValue), select.value_table_mode);
}
+#[test]
+fn test_typed_strings() {
+ let expr = bigquery().verified_expr(r#"JSON """{"foo":"bar's"}""""#);
+ assert_eq!(
+ Expr::TypedString {
+ data_type: DataType::JSON,
+ value: Value::TripleDoubleQuotedString(r#"{"foo":"bar's"}"#.into())
+ },
+ expr
+ );
+
+ let expr = bigquery().verified_expr(r#"JSON '''{"foo":"bar's"}'''"#);
+ if let Expr::TypedString { data_type, value } = expr {
+ assert_eq!(DataType::JSON, data_type);
+ let string_value: String = value.into();
+ assert_eq!(r#"{"foo":"bar's"}"#, string_value);
+ }
+
+ // SingleQuotedString and DoubleQuotedString are currently not correctly
formatted by `fmt::Display for Value`.
+ // BigQuery does not support double escaping, should be \' or \" instead.
+ //bigquery().verified_expr(r#"JSON '{"foo":"bar\'s"}'"#);
+ //bigquery().verified_expr(r#"JSON "{\"foo\":\"bar's\"}""#);
Review Comment:
The issue I ran into is this SQL `SELECT JSON '{"foo":"bar\'s"}'` gets
parsed and then re-printed as `SELECT JSON '{"foo":"bar''s"}'` (note the `''`
instead of `\'`). But let me do some more tests – for now I'll take this out of
this PR
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