Query node: Fix for "table name x specified more than once"

query-node/mappings/scripts/postInstall.ts

@@ -33,3 +33,18 @@ dataLoaderJsContentLines.splice(
   `
 )
 fs.writeFileSync(dataLoaderJsPath, dataLoaderJsContentLines.join('\n'))
+
+// FIXME: Temporary fix for "table name x specified more than once"
+const baseServiceJsPath = path.resolve(__dirname, '../../../node_modules/@joystream/warthog/dist/core/BaseService.js')
+const baseServiceJsContent = fs.readFileSync(baseServiceJsPath).toString()
+const baseServiceJsContentLines = baseServiceJsContent.split('\n')
+baseServiceJsContentLines.splice(
+  baseServiceJsContentLines.findIndex((l) => l.match(/function common/)) + 1,
+  4, // remove 4 lines (function body)
+  `const uuid = require('uuid/v4')
+  const foreignTableAlias = uuid().replace('-', '')
+  var foreingIdColumn = "\\"" + foreignTableAlias + "\\".\\"" + foreignColumnMap[foreignColumnName] + "\\"";
+  parameters.topLevelQb.leftJoin(foreignTableName, foreignTableAlias, localIdColumn + " = " + foreingIdColumn);
+  addWhereCondition(parameters, foreignTableAlias, foreignColumnMap);`
+)
+fs.writeFileSync(baseServiceJsPath, baseServiceJsContentLines.join('\n'))