Fix returningColumns.

.forgejo/workflows/docs.yaml

@@ -0,0 +1,24 @@
+on:
+  push:
+    tags:
+      - "*"
+jobs:
+  build_docs:
+    runs-on: docker
+    container:
+      image: docker.zeptotech.net/zeptotech/zig-yarn:1.1.0
+      credentials:
+        username: ${{ vars.DOCKER_REGISTRY_USERNAME }}
+        password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}
+    steps:
+      - uses: actions/checkout@v4
+      - run: mkdir -p artifact/api
+      - run: (cd docs && corepack enable && yarn install)
+      - run: (cd docs && yarn docs:build)
+      - run: mv docs/.vitepress/dist/* artifact
+      - run: /zig/zig build docs
+      - run: mv zig-out/docs/* artifact/api
+      - uses: https://code.forgejo.org/forgejo/upload-artifact@v4
+        with:
+          name: docs.zip
+          path: artifact

src/insert.zig

@@ -196,14 +196,14 @@ pub fn RepositoryInsert(comptime Model: type, comptime TableShape: type, comptim
 		}
 
 		/// Set selected columns for RETURNING clause.
-		pub fn returningColumns(self: *Self, _select: []const []const u8) void {
+		pub fn returningColumns(self: *Self, _select: []const []const u8) !void {
 			if (_select.len == 0) {
 				return ZrmError.AtLeastOneSelectionRequired;
 			}
 
 			self.returning(.{
 				// Join selected columns.
-				.sql = std.mem.join(self.arena.allocator(), ", ", _select),
+				.sql = try std.mem.join(self.arena.allocator(), ", ", _select),
 				.params = &[_]_sql.RawQueryParameter{}, // No parameters.
 			});
 		}

src/update.zig

@@ -153,14 +153,14 @@ pub fn RepositoryUpdate(comptime Model: type, comptime TableShape: type, comptim
 		}
 
 		/// Set selected columns for RETURNING clause.
-		pub fn returningColumns(self: *Self, _select: []const []const u8) void {
+		pub fn returningColumns(self: *Self, _select: []const []const u8) !void {
 			if (_select.len == 0) {
 				return ZrmError.AtLeastOneSelectionRequired;
 			}
 
 			self.returning(.{
 				// Join selected columns.
-				.sql = std.mem.join(self.arena.allocator(), ", ", _select),
+				.sql = try std.mem.join(self.arena.allocator(), ", ", _select),
 				.params = &[_]_sql.RawQueryParameter{}, // No parameters.
 			});
 		}