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fix: Jira extract_init handles empty parquet dirs gracefully

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DuckDB read_parquet glob fails when no files match. Skip view creation
for tables without parquet files, create views only after first write.
This commit is contained in:
ZdenekSrotyr 2026-03-30 20:28:29 +02:00
parent 8bc1fceb52
commit e2a7ee21a2
1 changed files with 11 additions and 8 deletions
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19
connectors/jira/extract_init.py
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@ -46,18 +46,16 @@ def init_extract(output_dir: str | Path) -> None:
table_dir = data_dir / table_name
table_dir.mkdir(exist_ok=True)
# Create view that reads all parquet files in the table directory
glob_path = str(table_dir / "*.parquet")
conn.execute(
f'CREATE OR REPLACE VIEW "{table_name}" AS '
f"SELECT * FROM read_parquet('{glob_path}', union_by_name=true, hive_partitioning=false)"
)
# Count existing rows if any parquets exist
# Create view only if parquet files exist (DuckDB glob fails on empty dirs)
rows = 0
size_bytes = 0
parquets = list(table_dir.glob("*.parquet"))
if parquets:
glob_path = str(table_dir / "*.parquet")
conn.execute(
f'CREATE OR REPLACE VIEW "{table_name}" AS '
f"SELECT * FROM read_parquet('{glob_path}', union_by_name=true, hive_partitioning=false)"
)
try:
rows = conn.execute(f'SELECT count(*) FROM "{table_name}"').fetchone()[0]
size_bytes = sum(f.stat().st_size for f in parquets)
@ -96,6 +94,11 @@ def update_meta(output_dir: str | Path, table_name: str) -> None:
if parquets:
try:
glob_path = str(table_dir / "*.parquet")
# Recreate view to pick up new/changed parquet files
conn.execute(
f'CREATE OR REPLACE VIEW "{table_name}" AS '
f"SELECT * FROM read_parquet('{glob_path}', union_by_name=true, hive_partitioning=false)"
)
rows = conn.execute(f"SELECT count(*) FROM read_parquet('{glob_path}', union_by_name=true)").fetchone()[0]
size_bytes = sum(f.stat().st_size for f in parquets)
except Exception as e: