updated many deletes for constraint capitilization

Author: Tim M

build/PostGraphileManyDeletePlugin.js

@@ -1,6 +1,6 @@
 {
   "name": "postgraphile-plugin-many-create-update-delete",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Postgraphile plugin that enables many create, update, & delete mutations in a single transaction.",
   "main": "build/index.js",
   "repository": {

build/PostGraphileManyDeletePlugin.js.map

@@ -378,7 +378,7 @@ const PostGraphileManyDeletePlugin: T.Plugin = (
                   (dataGroup, i) =>
                     sql.fragment`(${sql.join(
                       dataGroup.map(
-                        (val, j) => sql.fragment`${sqlColumns[j]} = ${val}`
+                        (val, j) => sql.fragment`"${sqlColumns[j]}" = ${val}`
                       ),
                       ') and ('
                     )})`