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November 30, 2025 12:36
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Convert Wikidata into Parquet format
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| bzcat latest-all.json.bz2 | sed '1d;$d;s/,$//' | split -l 100000 --suffix-length=4 --numeric-suffixes=1 - --filter=" | |
| duckdb -c \"COPY ( | |
| SELECT * FROM read_json('/dev/stdin', union_by_name=true) | |
| ) TO 'parquet/\$FILE.parquet' ( | |
| FORMAT PARQUET, | |
| COMPRESSION ZSTD | |
| )\" | |
| " chunk_ |
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