Transform paths column to null-separated

crates/workspace/src/path_list.rs

@@ -58,11 +58,7 @@ impl PathList {
         let mut paths: Vec<PathBuf> = if serialized.paths.is_empty() {
             Vec::new()
         } else {
-            serde_json::from_str::<Vec<PathBuf>>(&serialized.paths)
-                .unwrap_or(Vec::new())
-                .into_iter()
-                .map(|s| SanitizedPath::from(s).into())
-                .collect()
+            serialized.paths.split('\0').map(PathBuf::from).collect()
         };
 
         let mut order: Vec<usize> = serialized
@@ -85,7 +81,13 @@ impl PathList {
     pub fn serialize(&self) -> SerializedPathList {
         use std::fmt::Write as _;
 
-        let paths = serde_json::to_string(&self.paths).unwrap_or_default();
+        let mut paths = String::new();
+        for path in self.paths.iter() {
+            if !paths.is_empty() {
+                paths.push('\0');
+            }
+            paths.push_str(&path.to_string_lossy());
+        }
 
         let mut order = String::new();
         for ix in self.order.iter() {

crates/workspace/src/persistence.rs

@@ -605,6 +605,19 @@ impl Domain for WorkspaceDb {
 
             CREATE UNIQUE INDEX ix_workspaces_location ON workspaces(ssh_connection_id, paths);
         ),
+        sql!(
+            UPDATE workspaces
+            SET paths = CASE
+                WHEN substr(paths, 1, 2) = '[' || '"' AND substr(paths, -2, 2) = ']' || '"' THEN
+                    replace(
+                        substr(paths, 2, length(paths) - 2),
+                        '"' || ',' || '"',
+                        '\0'
+                    )
+                ELSE
+                    replace(paths, ',', '\0')
+            END
+        ),
     ];
 
     // Allow recovering from bad migration