feat: implement select * ilike for snowflake (#1228)

src/ast/mod.rs

@@ -40,8 +40,8 @@ pub use self::ddl::{
 pub use self::operator::{BinaryOperator, UnaryOperator};
 pub use self::query::{
     Cte, CteAsMaterialized, Distinct, ExceptSelectItem, ExcludeSelectItem, Fetch, ForClause,
-    ForJson, ForXml, GroupByExpr, IdentWithAlias, Join, JoinConstraint, JoinOperator,
-    JsonTableColumn, JsonTableColumnErrorHandling, LateralView, LockClause, LockType,
+    ForJson, ForXml, GroupByExpr, IdentWithAlias, IlikeSelectItem, Join, JoinConstraint,
+    JoinOperator, JsonTableColumn, JsonTableColumnErrorHandling, LateralView, LockClause, LockType,
     NamedWindowDefinition, NonBlock, Offset, OffsetRows, OrderByExpr, Query, RenameSelectItem,
     ReplaceSelectElement, ReplaceSelectItem, Select, SelectInto, SelectItem, SetExpr, SetOperator,
     SetQuantifier, Table, TableAlias, TableFactor, TableVersion, TableWithJoins, Top, TopQuantity,

src/ast/query.rs

@@ -474,6 +474,9 @@ impl fmt::Display for IdentWithAlias {
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 #[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
 pub struct WildcardAdditionalOptions {
+    /// `[ILIKE...]`.
+    /// Snowflake syntax: <https://docs.snowflake.com/en/sql-reference/sql/select>
+    pub opt_ilike: Option<IlikeSelectItem>,
     /// `[EXCLUDE...]`.
     pub opt_exclude: Option<ExcludeSelectItem>,
     /// `[EXCEPT...]`.
@@ -489,6 +492,9 @@ pub struct WildcardAdditionalOptions {
 
 impl fmt::Display for WildcardAdditionalOptions {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        if let Some(ilike) = &self.opt_ilike {
+            write!(f, " {ilike}")?;
+        }
         if let Some(exclude) = &self.opt_exclude {
             write!(f, " {exclude}")?;
         }
@@ -505,6 +511,29 @@ impl fmt::Display for WildcardAdditionalOptions {
     }
 }
 
+/// Snowflake `ILIKE` information.
+///
+/// # Syntax
+/// ```plaintext
+/// ILIKE <value>
+/// ```
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub struct IlikeSelectItem {
+    pub pattern: String,
+}
+
+impl fmt::Display for IlikeSelectItem {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(
+            f,
+            "ILIKE '{}'",
+            value::escape_single_quote_string(&self.pattern)
+        )?;
+        Ok(())
+    }
+}
 /// Snowflake `EXCLUDE` information.
 ///
 /// # Syntax

src/parser/mod.rs

@@ -9018,7 +9018,13 @@ impl<'a> Parser<'a> {
     pub fn parse_wildcard_additional_options(
         &mut self,
     ) -> Result<WildcardAdditionalOptions, ParserError> {
-        let opt_exclude = if dialect_of!(self is GenericDialect | DuckDbDialect | SnowflakeDialect)
+        let opt_ilike = if dialect_of!(self is GenericDialect | SnowflakeDialect) {
+            self.parse_optional_select_item_ilike()?
+        } else {
+            None
+        };
+        let opt_exclude = if opt_ilike.is_none()
+            && dialect_of!(self is GenericDialect | DuckDbDialect | SnowflakeDialect)
         {
             self.parse_optional_select_item_exclude()?
         } else {
@@ -9044,6 +9050,7 @@ impl<'a> Parser<'a> {
         };
 
         Ok(WildcardAdditionalOptions {
+            opt_ilike,
             opt_exclude,
             opt_except,
             opt_rename,
@@ -9051,6 +9058,25 @@ impl<'a> Parser<'a> {
         })
     }
 
+    /// Parse an [`Ilike`](IlikeSelectItem) information for wildcard select items.
+    ///
+    /// If it is not possible to parse it, will return an option.
+    pub fn parse_optional_select_item_ilike(
+        &mut self,
+    ) -> Result<Option<IlikeSelectItem>, ParserError> {
+        let opt_ilike = if self.parse_keyword(Keyword::ILIKE) {
+            let next_token = self.next_token();
+            let pattern = match next_token.token {
+                Token::SingleQuotedString(s) => s,
+                _ => return self.expected("ilike pattern", next_token),
+            };
+            Some(IlikeSelectItem { pattern })
+        } else {
+            None
+        };
+        Ok(opt_ilike)
+    }
+
     /// Parse an [`Exclude`](ExcludeSelectItem) information for wildcard select items.
     ///
     /// If it is not possible to parse it, will return an option.