{"id":"68af39a1-425d-43e9-8fda-f571b32331f0","shortId":"E6D5FV","kind":"skill","title":"Parquet Column Mapper","tagline":"Reads and transforms Apache Parquet file metadata and column statistics using PyArrow and the Parquet Thrift specification. Maps column types across Delta Lake, Iceberg, and Hudi table formats.","description":"# Parquet Column Mapper\n\nReads and transforms Apache Parquet file metadata and column statistics using PyArrow and the Parquet Thrift specification. Maps column types across Delta Lake, Iceberg, and Hudi table formats.\n\n## Installation\n\nUse the upstream install or setup path that matches your environment:\n- $ npm install parquetjs\n\nRequirements and caveats from upstream:\n- This project requires a major overhaul, as well as handling and sorting through dozens of issues and prs.\n- fully asynchronous, pure node.js implementation of the Parquet file format\n- To use parquet.js with node.js, install it using npm:\n\nBasic usage or getting-started notes:\n- ------------\n- --------------------\n- Once you have installed the parquet.js library, you can import it as a single\n\n- Source: https://github.com/ironSource/parquetjs\n- Extracted from upstream docs: https://raw.githubusercontent.com/ironSource/parquetjs/HEAD/README.md\n\n## Source\n\n- [Agent Skill 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github stars · SKILL.md body (1,023 chars)","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:skill-github:v1","enrichmentVersion":1,"enrichedAt":"2026-05-18T19:11:41.168Z","embedding":null,"createdAt":"2026-05-18T13:18:17.195Z","updatedAt":"2026-05-18T19:11:41.168Z","lastSeenAt":"2026-05-18T19:11:41.168Z","tsv":"'/ironsource/parquetjs':144 '/ironsource/parquetjs/head/readme.md':151 '/skills/parquet-column-mapper/)':158 'across':24,55 'agent':153 'agentskillexchange.com':157 'agentskillexchange.com/skills/parquet-column-mapper/)':156 'apach':7,38 'asynchron':102 'basic':120 'caveat':80 'column':2,12,22,33,43,53 'delta':25,56 'doc':148 'dozen':96 'environ':74 'exchang':155 'extract':145 'file':9,40,109 'format':31,62,110 'fulli':101 'get':124 'getting-start':123 'github.com':143 'github.com/ironsource/parquetjs':142 'handl':92 'hudi':29,60 'iceberg':27,58 'implement':105 'import':136 'instal':63,67,76,116,130 'issu':98 'lake':26,57 'librari':133 'major':87 'map':21,52 'mapper':3,34 'match':72 'metadata':10,41 'node.js':104,115 'note':126 'npm':75,119 'overhaul':88 'parquet':1,8,18,32,39,49,108 'parquet.js':113,132 'parquetj':77 'path':70 'project':84 'prs':100 'pure':103 'pyarrow':15,46 'raw.githubusercontent.com':150 'raw.githubusercontent.com/ironsource/parquetjs/head/readme.md':149 'read':4,35 'requir':78,85 'setup':69 'singl':140 'skill':154 'skill-parquet-column-mapper' 'sort':94 'sourc':141,152 'source-agentskillexchange' 'specif':20,51 'start':125 'statist':13,44 'tabl':30,61 'thrift':19,50 'topic-agent-skills' 'topic-ai-agents' 'topic-ai-tools' 'topic-awesome-list' 'topic-claude-code' 'topic-codex' 'topic-cursor' 'topic-llm' 'topic-mcp' 'topic-npx-skills' 'topic-openclaw' 'topic-skills-catalog' 'transform':6,37 'type':23,54 'upstream':66,82,147 'usag':121 'use':14,45,64,112,118 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open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.","skill_md_sha":"cbe983918a5841573c126e14a9bd0498880a74ad","skill_md_path":"skills/parquet-column-mapper/SKILL.md","default_branch":"main","skill_tree_url":"https://github.com/agentskillexchange/skills/tree/main/skills/parquet-column-mapper"},"layout":"multi","source":"github","category":"skills","frontmatter":{"name":"Parquet Column Mapper","description":"Reads and transforms Apache Parquet file metadata and column statistics using PyArrow and the Parquet Thrift specification. 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