TransformPreviewResponse
POST /pipelines/transforms/preview result — a limited-row sample of the transform's output. Nothing is persisted.
columnsstring[]필수
Output column names, in order
rowsobject[]필수
Result rows (<= limit)
row_countRow Count (integer)필수
Number of rows returned
truncatedTruncated (boolean)필수
True if the result had more rows than the requested limit
TransformPreviewResponse
{
"columns": [
"string"
],
"rows": [
{}
],
"row_count": 0,
"truncated": true
}