{
"test_id": "string_lpad",
"pyspark_version": "3.5",
"generated_at": "2025-10-27T14:13:12.065951",
"input_data": [
{
"id": 1,
"name": " Alice ",
"age": 25
},
{
"id": 2,
"name": "Bob",
"age": 30
},
{
"id": 3,
"name": " Charlie",
"age": 35
}
],
"operation": "DataFrame operation: string_lpad",
"expected_output": {
"schema": {
"field_count": 1,
"field_names": [
"lpad(name, 10, )"
],
"field_types": [
"string"
],
"fields": [
{
"name": "lpad(name, 10, )",
"type": "string",
"nullable": true
}
]
},
"data": [
{
"lpad(name, 10, )": " Alice "
},
{
"lpad(name, 10, )": " Bob"
},
{
"lpad(name, 10, )": " Charlie"
}
],
"row_count": 3
}
}