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merge_schema option #47

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Merged
MDobransky merged 1 commit into from
Dec 1, 2025
Merged

merge_schema option #47

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9 changes: 8 additions & 1 deletion rialto/runner/runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -44,13 +44,15 @@ def __init__(
op: str = None,
skip_dependencies: bool = False,
overrides: Dict = None,
merge_schema: bool = False,
):
self.spark = spark
self.config = get_pipelines_config(config_path, overrides)
self.reader = TableReader(spark)
self.rerun = rerun
self.skip_dependencies = skip_dependencies
self.op = op
self.merge_schema = merge_schema
self.tracker = Tracker(
mail_cfg=self.config.runner.mail, bookkeeping=self.config.runner.bookkeeping, spark=spark
)
Expand Down Expand Up @@ -104,7 +106,12 @@ def _write(self, df: DataFrame, info_date: date, table: Table) -> None:
:return: None
"""
df = df.withColumn(table.partition, F.lit(info_date))
df.write.partitionBy(table.partition).mode("overwrite").saveAsTable(table.get_table_path())
if self.merge_schema is True:
df.write.partitionBy(table.partition).mode("overwrite").option("mergeSchema", "true").saveAsTable(
table.get_table_path()
)
else:
df.write.partitionBy(table.partition).mode("overwrite").saveAsTable(table.get_table_path())
logger.info(f"Results writen to {table.get_table_path()}")

def _check_written(self, info_date: date, table: Table) -> int:
Expand Down