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After updating to Postgres 17 it was not possible to write empty file… #7

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After updating to Postgres 17 it was not possible to write empty file… #7

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7 changes: 6 additions & 1 deletion aws_s3--0.0.1.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -256,7 +256,11 @@ AS $$
num_lines += buffer.count(b'\n')
size += len(buffer)
fd.seek(0)
s3.upload_fileobj(fd, bucket, file_path)
if size == 0:
io = cache_import('io')
s3.upload_fileobj(io.BytesIO(b' '), bucket, file_path)
else:
s3.upload_fileobj(fd, bucket, file_path)
yield (num_lines, 1, size)
$$;

Expand All @@ -265,6 +269,7 @@ CREATE OR REPLACE FUNCTION aws_s3.query_export_to_s3(
s3_info aws_commons._s3_uri_1,
options text default null,
credentials aws_commons._aws_credentials_1 default null,
options text default null,
endpoint_url text default null,
OUT rows_uploaded bigint,
OUT files_uploaded bigint,
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