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postgresqlpartioning

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postgresqlpartioning [2021/07/26 17:16] – [Range] z0hpvkpostgresqlpartioning [2025/03/08 22:24] (current) – external edit 127.0.0.1
Line 38: Line 38:
 -- Inserts will now only work when the created date is in 2021 -- Inserts will now only work when the created date is in 2021
 </code> </code>
 +
 +===== Default =====
 +
 +From Postgres 11 it is possible to create a default partition. \\
 +<code SQL>
 +CREATE TABLE USERS_PART_DF PARTITION OF USERS_PART DEFAULT;
 +</code>
 +
 +===== Select / Insert =====
 +
 +It is possible to show which partitioned table your select or insert query has used. \\
 +<code SQL>
 +SELECT tableoid, tableoid::regclass, * FROM users_part
 + WHERE user_role = 'A';
 +</code>
 +
 +<code SQL>
 +INSERT INTO users_part (username, user_role) 
 +VALUES ('bloggs01', 'A'
 +RETURNING tableoid::regclass, user_id;
 +</code>
 +
 +===== Example =====
 +[[PGPartitionExample| Partitioning Example]]\\
 +
  
  
  
postgresqlpartioning.1627319813.txt.gz · Last modified: 2025/03/08 22:23 (external edit)