Add fmt for SQLite blob literal

Author: Spxg

src/lib.rs

@@ -109,6 +109,27 @@ mod tests {
     use indoc::indoc;
     use pretty_assertions::assert_eq;
 
+    #[test]
+    fn test_sqlite_blob_literal_fmt() {
+        let options = FormatOptions::default();
+
+        let input = "SELECT x'73716c69676874' AS BLOB_VAL;";
+        let expected = indoc!(
+            "
+            SELECT
+              x'73716c69676874' AS BLOB_VAL;"
+        );
+        assert_eq!(format(input, &QueryParams::None, &options), expected);
+
+        let input = "SELECT X'73716c69676874' AS BLOB_VAL;";
+        let expected = indoc!(
+            "
+            SELECT
+              X'73716c69676874' AS BLOB_VAL;"
+        );
+        assert_eq!(format(input, &QueryParams::None, &options), expected);
+    }
+
     #[test]
     fn it_uses_given_indent_config_for_indentation() {
         let input = "SELECT count(*),Column1 FROM Table1;";

src/tokenizer.rs

@@ -208,6 +208,7 @@ pub fn take_till_escaping<'a>(
 // 3. double quoted string using "" or \" to escape
 // 4. single quoted string using '' or \' to escape
 // 5. national character quoted string using N'' or N\' to escape
+// 6. hex(blob literal) does not need to escape
 fn get_string_token<'i>(input: &mut &'i str) -> Result<Token<'i>> {
     dispatch! {any;
         '`' => (take_till_escaping('`', &['`']), any).void(),
@@ -216,6 +217,8 @@ fn get_string_token<'i>(input: &mut &'i str) -> Result<Token<'i>> {
         '\'' => (take_till_escaping('\'', &['\'', '\\']), any).void(),
         'N' => ('\'', take_till_escaping('\'', &['\'', '\\']), any).void(),
         'E' => ('\'', take_till_escaping('\'', &['\'', '\\']), any).void(),
+        'x' => ('\'', take_till_escaping('\'', &[]), any).void(),
+        'X' => ('\'', take_till_escaping('\'', &[]), any).void(),
         _ => fail,
     }
     .take()