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Table of Contents

Developer Perspective

Building

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Q: How to get all tuples with all MVCC versions in catalog table?

Need to set guc before running SELECT statement:   set gp_select_invisible=true;

Q: How to set fixed virtual segment number to run query?

Need to set enforce_virtual_segment_number for random table or default_hash_table_bucket_number for hash table.

User Perspective

Configuration

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