How do we extract the month number (1-12) from a date column for monthly partitioning?
month() extracts the month integer (1 to 12) from a date or timestamp Column.
Monthly financial reporting, cohort retention tracking, and year-month hierarchical partitions.
from pyspark.sql.functions import col, month
df = df.withColumn("order_month", month(col("order_date")))Practice typing production-grade PySpark code for Extracting Calendar Month with month().