Edit comments

README.md

@@ -53,7 +53,7 @@ Configurable node server implementation for the [`p2panda`] network running as a
 
 - Awaits signed operations from clients via GraphQL.
 - Verifies the consistency, format and signature of operations and rejects invalid ones.
-- Stores operations of the network in a SQL database of your choice (SQLite, PostgreSQL).
+- Stores operations of the network in an SQL database of your choice (SQLite, PostgreSQL).
 - Materializes views on top of the known data.
 - Answers filterable and paginated data queries via GraphQL.
 - Discovers other nodes in local network and internet.

aquadoggo/src/config.rs

@@ -27,7 +27,7 @@ pub struct Configuration {
     /// Path to data directory.
     pub base_path: Option<PathBuf>,
 
-    /// Database url (sqlite or postgres).
+    /// Database url (SQLite or PostgreSQL).
     pub database_url: Option<String>,
 
     /// Maximum number of database connections in pool.

aquadoggo/src/db/stores/task.rs

@@ -62,7 +62,8 @@ impl SqlStorage {
                 tasks
             WHERE
                 name = $1
-                -- Use `IS` because these columns can contain `null` values.
+                -- Use `COALESCE` to compare possible null values in a way
+                -- that is compatible between SQLite and PostgreSQL.
                 AND COALESCE(document_id, '0') = COALESCE($2, '0')
                 AND COALESCE(document_view_id, '0') = COALESCE($3, '0')
             ",