fix(oracle): serialize RAW values with HEXTORAW

crates/dbx-core/src/data_grid_sql.rs

@@ -1787,6 +1787,11 @@ pub fn format_grid_sql_literal(
             return literal;
         }
     }
+    if is_oracle_raw_literal_column(database_type, column_info) {
+        if let Some(literal) = format_oracle_raw_literal_text(&text) {
+            return literal;
+        }
+    }
     if column_info.map(|column| is_numeric_type(&column.data_type)).unwrap_or(false) && is_numeric_literal(&text) {
         // BigDecimal/BigInteger cells cross JSON-RPC as strings so browsers cannot round them.
         return text;
@@ -2082,6 +2087,24 @@ fn format_mysql_binary_literal_text(text: &str) -> Option<String> {
     }
 }
 
+fn is_oracle_raw_literal_column(database_type: Option<DatabaseType>, column_info: Option<&DataGridColumnInfo>) -> bool {
+    is_oracle_temporal_literal_database(database_type)
+        && column_info.map(|column| is_oracle_raw_column_type(&column.data_type)).unwrap_or(false)
+}
+
+fn is_oracle_raw_column_type(data_type: &str) -> bool {
+    data_type.trim().split(['(', ':', ' ']).next().is_some_and(|base| base.eq_ignore_ascii_case("raw"))
+}
+
+fn format_oracle_raw_literal_text(text: &str) -> Option<String> {
+    let hex = text.strip_prefix("0x")?;
+    if hex.len() % 2 == 0 && hex.chars().all(|ch| ch.is_ascii_hexdigit()) {
+        Some(format!("HEXTORAW('{hex}')"))
+    } else {
+        None
+    }
+}
+
 fn is_geometry_column_type(data_type: &str) -> bool {
     let lower = data_type.to_ascii_lowercase();
     let base = lower.split('(').next().unwrap_or(&lower).trim();
@@ -4749,6 +4772,51 @@ mod tests {
         );
     }
 
+    #[test]
+    fn prepares_oracle_raw_update_with_hex_literals() {
+        let result = prepare_data_grid_save(DataGridSaveStatementOptions {
+            database_type: Some(DatabaseType::Oracle),
+            identifier_quote: None,
+            table_meta: DataGridTableMeta {
+                catalog: None,
+                database: None,
+                schema: Some("APP".to_string()),
+                table_name: "RAW_VALUES".to_string(),
+                primary_keys: vec!["ID".to_string()],
+                columns: Some(vec![column("ID", "RAW(16)", false, None), column("PAYLOAD", "RAW(16)", true, None)]),
+            },
+            columns: vec!["ID".to_string(), "PAYLOAD".to_string()],
+            source_columns: None,
+            rows: vec![vec![json!("0x00112233445566778899aabbccddeeff"), json!("0xaabb")]],
+            dirty_rows: vec![(0, vec![(1, json!("0xccdd"))])],
+            deleted_rows: vec![],
+            new_rows: vec![],
+        });
+
+        assert_eq!(result.validation_error, None);
+        assert_eq!(
+            result.statements,
+            vec![
+                "UPDATE \"APP\".\"RAW_VALUES\" SET \"PAYLOAD\" = HEXTORAW('ccdd') WHERE \"ID\" = HEXTORAW('00112233445566778899aabbccddeeff');"
+            ]
+        );
+    }
+
+    #[test]
+    fn oracle_raw_literals_require_valid_even_length_hex() {
+        let raw = column("ID", "RAW(16)", false, None);
+        let text = column("ID", "VARCHAR2(64)", false, None);
+        let blob = column("ID", "BLOB", false, None);
+
+        for database_type in [DatabaseType::Oracle, DatabaseType::OceanbaseOracle] {
+            assert_eq!(format_grid_sql_literal(&json!("0x00aB"), Some(database_type), Some(&raw)), "HEXTORAW('00aB')");
+            assert_eq!(format_grid_sql_literal(&json!("0xabc"), Some(database_type), Some(&raw)), "'0xabc'");
+            assert_eq!(format_grid_sql_literal(&json!("0x00gg"), Some(database_type), Some(&raw)), "'0x00gg'");
+            assert_eq!(format_grid_sql_literal(&json!("0x00ab"), Some(database_type), Some(&text)), "'0x00ab'");
+            assert_eq!(format_grid_sql_literal(&json!("0x00ab"), Some(database_type), Some(&blob)), "'0x00ab'");
+        }
+    }
+
     #[test]
     fn prepares_oceanbase_oracle_lob_deletes_with_synthetic_rowid() {
         let result = prepare_data_grid_save(DataGridSaveStatementOptions {