1. Federation with
Foreign Data Wrappers
Foreign Data Wrappers
PGConf.EU 2013/10/31
Copyright© 2013
David Fetter david.fetter@disqus.com
All rights reserved.

4. Virtual
Table Interface

5. Virtual
Index Interface

6. SQL/MED

7. <DIGRESSION>

8. EXTENSIONS!

9. </DIGRESSION>

10. <PAST>

11. SQL/MED in PostgreSQL
contrib/dblink

12. SQL/MED in PostgreSQL
DBI-Link

13. Time Passes...

14. PostgreSQL 8.4

15. Infrastructure Only

16. PostgreSQL 9.0

17. More Infrastructure

18. PostgreSQL 9.2

19. Reads
ANALYZE
ANALYZE

20. </PAST>

21. <PRESENT>

22. A Disqus Hour
• 50 GB raw log data
• 30 GB event data
• 100 million embed loads
• ...last week.

23. PostgreSQL 9.3

24. WRITES!

25. Wrappers. Lots of Wrappers.

26. <SQL>

27. Oracle

28. MySQL

29. ODBC

30. JDBC

31. </SQL>

32. <NoSQL>

33. CouchDB

34. Redis

35. Cassandra?

36. </NoSQL>

37. <File>

38. file

39. file_text_array

40. </File>

41. <Creativity>

42. Twitter

43. LDAP

44. S3

45. </Creativity>

46. More!

47. PGXN

48. Multicorn

49. <New_Commands>

50. {CREATE | ALTER | DROP}
FOREIGN DATA WRAPPER
FOREIGN DATA WRAPPER

51. {CREATE | ALTER | DROP}
SERVER
SERVER

52. {CREATE | ALTER | DROP}
USER MAPPING
USER MAPPING

53. {CREATE | ALTER | DROP}
FOREIGN TABLE
FOREIGN TABLE

54. </New_Commands>

55. <INTROSPECTION>

56. Remote Partitioning
• Expose information_schema.columns.
• Create view over them.
• Create foreign table generator.

57. </INTROSPECTION>

58. </PRESENT>

59. <FUTURE>

60. <INTROSPECTION>

61. CREATE FOREIGN TABLE

62. More and better.

64. IMPORT FOREIGN SCHEMA <foreign schema> [
LIMIT TO ( <table name list> )
| EXCEPT ( <table name list> )
]
FROM SERVER <foreign server name>
INTO <local schema>

65. </INTROSPECTION>

66. Full* SQL/MED
Compliance

67. The ever-interesting:
Stuff I Never Thought Of

68. </FUTURE>

69. Thanks!
PGConf.EU 2013/10/31
Copyright© 2013
David Fetter david.fetter@disqus.com
All rights reserved.