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sqlite-utils memory --flatten, closes #332

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Simon Willison 2021-11-14 15:05:00 -08:00
commit 12b8c9de25
3 changed files with 29 additions and 1 deletions
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4
sqlite_utils/cli.py
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@ -1190,6 +1190,7 @@ def query(
multiple=True,
help="Additional databases to attach - specify alias and filepath",
)
@click.option("--flatten", is_flag=True, help="Flatten nested JSON objects")
@output_options
@click.option("-r", "--raw", is_flag=True, help="Raw output, first column of first row")
@click.option(
@ -1226,6 +1227,7 @@ def memory(
paths,
sql,
attach,
flatten,
nl,
arrays,
csv,
@ -1300,6 +1302,8 @@ def memory(
if format_used in (Format.CSV, Format.TSV) and not no_detect_types:
tracker = TypeTracker()
rows = tracker.wrap(rows)
if flatten:
rows = (dict(_flatten(row)) for row in rows)
db[csv_table].insert_all(rows, alter=True)
if tracker is not None:
db[csv_table].transform(types=tracker.types)