Merge branch 'main' into feature/function_orderby

# Conflicts:
#	src/parser.rs

Author: mustafasrepo

Cargo.toml

@@ -11,6 +11,7 @@ license = "Apache-2.0"
 include = [
     "src/**/*.rs",
     "Cargo.toml",
+    "LICENSE.TXT",
 ]
 edition = "2021"
 

docs/custom_sql_parser.md

@@ -6,5 +6,5 @@ The concept is simply to write a new parser that delegates to the ANSI parser so
 
 I also plan on building in specific support for custom data types, where a lambda function can be passed to the parser to parse data types.
 
-For an example of this, see the [DataFusion](https://github.com/apache/arrow-datafusion) project and its [query planner] (https://github.com/apache/arrow-datafusion/tree/master/datafusion/sql).
+For an example of this, see the [DataFusion](https://github.com/apache/arrow-datafusion) project and its [query planner](https://github.com/apache/arrow-datafusion/tree/master/datafusion/sql).
 

examples/cli.rs

@@ -45,6 +45,7 @@ $ cargo run --feature json_example --example cli FILENAME.sql [--dialectname]
         "--snowflake" => Box::new(SnowflakeDialect {}),
         "--hive" => Box::new(HiveDialect {}),
         "--redshift" => Box::new(RedshiftSqlDialect {}),
+        "--clickhouse" => Box::new(ClickHouseDialect {}),
         "--generic" | "" => Box::new(GenericDialect {}),
         s => panic!("Unexpected parameter: {s}"),
     };

src/ast/helpers/stmt_data_loading.rs

@@ -24,6 +24,7 @@ use core::fmt::Formatter;
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
+use crate::ast::Ident;
 #[cfg(feature = "visitor")]
 use sqlparser_derive::{Visit, VisitMut};
 
@@ -63,6 +64,16 @@ pub struct DataLoadingOption {
     pub value: String,
 }
 
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub struct StageLoadSelectItem {
+    pub alias: Option<Ident>,
+    pub file_col_num: i32,
+    pub element: Option<Ident>,
+    pub item_as: Option<Ident>,
+}
+
 impl fmt::Display for StageParamsObject {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         let url = &self.url.as_ref();
@@ -121,3 +132,19 @@ impl fmt::Display for DataLoadingOption {
         Ok(())
     }
 }
+
+impl fmt::Display for StageLoadSelectItem {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        if self.alias.is_some() {
+            write!(f, "{}.", self.alias.as_ref().unwrap())?;
+        }
+        write!(f, "${}", self.file_col_num)?;
+        if self.element.is_some() {
+            write!(f, ":{}", self.element.as_ref().unwrap())?;
+        }
+        if self.item_as.is_some() {
+            write!(f, " AS {}", self.item_as.as_ref().unwrap())?;
+        }
+        Ok(())
+    }
+}