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PYSPARK โ€ข LESSON 52

Left Trimming with ltrim()

How do we strip leading whitespace padding from inventory SKU codes?

Intermediateโฑ 2 Minutesโญ 310 XP
๐Ÿค” THE QUESTION

How do we strip leading whitespace padding from inventory SKU codes?

๐Ÿ’ก WHAT IS IT?

ltrim() strips whitespace from only the left (beginning) side of string Column values.

๐ŸŽฏ WHAT IS IT USED FOR?

Cleaning fixed-width formatted mainframe extracts with leading space padding.

๐Ÿ’ป EXAMPLE
from pyspark.sql.functions import col, ltrim

df = df.withColumn("sanitized_code", ltrim(col("sku")))

๐ŸŽฏ Mission Objectives

Practice typing production-grade PySpark code for Left Trimming with ltrim().

  • โœ“ Import ltrim function
  • โœ“ Strip left-side whitespace padding
  • โœ“ Sanitize inventory SKU strings