wip

kysely-org · Jan 9, 2025 · 5c20a79 · 5c20a79
1 parent 15bcf77
commit 5c20a79
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/parser/insert-values-parser.ts b/src/parser/insert-values-parser.ts
@@ -80,7 +80,10 @@ function parseColumnNamesAndIndexes(
     const cols = Object.keys(row)
 
     for (const col of cols) {
-      if (!columns.has(col)) {
+      const shouldIncludeColumnWithUndefined =
+        rows.length > 1 && rows.some((row) => row[col] !== undefined)
+
+      if (!columns.has(col) && shouldIncludeColumnWithUndefined) {
         columns.set(col, columns.size)
       }
     }