Fix row limit for structs

Author: platypii

package.json

@@ -27,12 +27,12 @@
     "typecheck": "tsc"
   },
   "devDependencies": {
-    "@types/node": "20.14.8",
-    "@typescript-eslint/eslint-plugin": "7.13.1",
+    "@types/node": "20.14.9",
+    "@typescript-eslint/eslint-plugin": "7.14.1",
     "@vitest/coverage-v8": "1.6.0",
     "eslint": "8.57.0",
     "eslint-plugin-import": "2.29.1",
-    "eslint-plugin-jsdoc": "48.3.0",
+    "eslint-plugin-jsdoc": "48.4.0",
     "http-server": "14.1.1",
     "hyparquet-compressors": "0.1.4",
     "typescript": "5.4.5",

src/column.js

@@ -98,6 +98,9 @@ export function readColumn(reader, rowLimit, columnMetadata, schemaPath, { compr
   if (rowData.length < rowLimit) {
     throw new Error(`parquet row data length ${rowData.length} does not match row group limit ${rowLimit}}`)
   }
+  if (rowData.length > rowLimit) {
+    rowData.length = rowLimit // truncate to row limit
+  }
   return rowData
 }