Whats New in Postgres 12
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Join Postgres experts Bruce Momjian and Marc Linster as they preview everything new in Postgres 12. You don’t want to miss this! Highlights include: - New compatibility features - PostgreSQL: Table access methods - Partitioning Improvements
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Whats New in Postgres 12
- 1. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. Bruce Momjian, Principal Database Architect Marc Linster, SVP Product Development 1 What’s new in Postgres 12 Innovation in the fastest growing open source relational database
- 2. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. Agenda ● Who is EDB ● What’s new in PostgreSQL 12? ● What's new in EDB Postgres Advanced Server 12? ● Q&A
- 3. WHO IS EDB? The world leader in open-source based Postgres software and services 3 • Founded in 2004 • Recognized RDBMS leader by: • Gartner • Forrester • Customer base > 4000 • 300+ employees • Offices worldwide • Largest PostgreSQL community leader
- 4. ONLY OPEN SOURCE BASED RDBMS IN GARTNER MQ EDB Recognized 6 Years In A Row on Gartner’s Magic Quadrant 4
- 5. 5 Customers working SMARTER, reducing RISK and being more PRODUCTIVE with EDB. OVER 4,000 CUSTOMERS U.S Customers EMEA Customers APAC Customers 102 of the Fortune 500 337 of the Forbes Global 2000
- 6. EDB OPEN SOURCE LEADERSHIP NAMED EDB OPEN SOURCE COMMITTERS AND CONTRIBUTORS 6 • CORE TEAM • • • • MAJOR CONTRIBUTORS • CONTRIBUTORS Akshay Joshi Amul Sul Ashesh Vashi Dilip Kumar Jeevan Ladhe Mithun Cy Andres Freund Devrim Gündüz Thomas Munro Amit Kapila Bruce Momjian Dave Page Robert Haas Ashutos h Sharma Rushabh Lathia - designates committers
- 8. 8 Postgres 12 Link to PG 12 slides
- 9. Survey Which databases do you use today?
- 10. EDB Postgres Advanced Server 12
- 11. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. EDB Postgres Advanced Server ● Super set of PostgreSQL ○ All PostgreSQL features are available in EDB Postgres Advanced Server ○ Managed fork, continuously synchronized with PostgreSQL ● When would you pick EDB Postgres Advanced Server? ○ Native PL/SQL compatibility, key Oracle packages, pragma autonomous transaction, query hints, etc. ○ Resource Manager manages CPU and I/O resources ○ SQL Session/System Wait Diagnostics ○ EDB Loader for fast bulk loads ○ Enhanced security features ■ Separate audit log ■ Native data redaction ■ Password policy management
- 12. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. What’s new in Advanced Server 12 ● New Compatibility Features (1 of 2) ○ New System Views ■ {USER|ALL|DBA}_TAB_PRIVS ■ {USER|ALL|DBA}_COL_PRIVS ■ {USER|ALL|DBA}_DEPENDENCIES ○ MEDIAN and LISTAGG ■ New aggregate functions for finding medians and for concatenating values, respectively.
- 13. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. What’s new in Advanced Server 12 ● New Compatibility Features (2 of 2) ○ CAST(MULTISET) ■ Provides an easy way to convert the result of a subquery to a collection value. ○ COMPOUND Triggers ■ Multiple, related triggers that share access to a common set of variables. ■ Statement and row-level triggers in a single triggers
- 14. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. What’s new in Advanced Server 12 ● Logical Decoding on standby server ○ Allows creation of logical replications slots on a standby ● Interval Partitioning ○ Automatic partition creation without deadlocks
- 15. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. Interval Partitioning Example edb=# CREATE TABLE sales (prod_id int, prod_quantity int, sold_month date) edb-# PARTITION BY RANGE (sold_month) INTERVAL (NUMTOYMINTERVAL(1,'MONTH')) ( edb(# PARTITION jan VALUES LESS THAN ('31-JAN-2019'), edb(# PARTITION feb VALUES LESS THAN ('28-FEB-2019')); CREATE TABLE edb=# d+ sales Partitioned table "public.sales" Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------------+-----------------------------+-----------+----------+---------+---------+--------------+------ -- prod_id | integer | | | | plain | | prod_quantity | integer | | | | plain | | sold_month | timestamp without time zone | | | | plain | | Partition key: RANGE (sold_month) INTERVAL ('1 mon'::interval) Partitions: sales_feb FOR VALUES FROM ('31-JAN-19 00:00:00') TO ('28-FEB-19 00:00:00'), sales_jan FOR VALUES FROM (MINVALUE) TO ('31-JAN-19 00:00:00') edb=# INSERT INTO sales VALUES (1,1000,'10-JAN-2019'); INSERT 0 1 edb=# INSERT INTO sales VALUES (2,100000,'25-FEB-2019'); INSERT 0 1
- 16. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. Interval Partitioning Example --when new month entry came it will automatically create a partition for that month and insert into it. edb=# INSERT INTO sales VALUES (1,19000,'05-MAR-2019'); psql: NOTICE: Low value ('28-FEB-19 00:00:00') High value ('28-MAR-19 00:00:00') INSERT 0 1 edb=# d+ sales Partitioned table "public.sales" Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------------+-----------------------------+-----------+----------+---------+---------+--------------+------ -- prod_id | integer | | | | plain | | prod_quantity | integer | | | | plain | | sold_month | timestamp without time zone | | | | plain | | Partition key: RANGE (sold_month) INTERVAL ('1 mon'::interval) Partitions: sales_feb FOR VALUES FROM ('31-JAN-19 00:00:00') TO ('28-FEB-19 00:00:00'), sales_jan FOR VALUES FROM (MINVALUE) TO ('31-JAN-19 00:00:00'), sales_sys1271190103 FOR VALUES FROM ('28-FEB-19 00:00:00') TO ('28-MAR-19 00:00:00')
- 17. Survey How soon are you planning to deploy Postgres 12?
- 18. Upcoming events Pulse of Postgres Installing Postgres on Linux Sept 11 Installing Postgres in Docker Containers Sept 25 Installing Postgres on Windows Oct 9
- 19. Contact Information, [email protected] QUESTIONS & DISCUSSION 19