Re: [HACKERS] system table/view and sequence

2010-04-08 Thread Olivier Baheux
On 7 avr, 17:44, nicolas.barb...@gmail.com (Nicolas Barbier) wrote:
 2010/4/7 Olivier Baheux olivierbah...@gmail.com:

  i'm trying to find where are stored sequence definition
  (increment,minvalue,maxvalue,start,cache) in system tables. Atm I
  found everything exept sequence.

 It's in the sequence itself (which can be accessed like a table). The
 fact that this table is in fact a sequence is stored in pg_class:

 8
 itsme=# CREATE TABLE a (i serial);
 HINWEIS:  CREATE TABLE erstellt implizit eine Sequenz »a_i_seq« für
 die »serial«-Spalte »a.i«
 CREATE TABLE
 itsme=# SELECT * FROM a_i_seq;
  sequence_name | last_value | increment_by |      max_value      |
 min_value | cache_value | log_cnt | is_cycled | is_called
 ---++--+-+---+-+-+---+---
  a_i_seq       |          1 |            1 | 9223372036854775807 |
     1 |           1 |       1 | f         | f
 (1 Zeile)

 itsme=# SELECT relkind FROM pg_class WHERE relname = 'a_i_seq';
  relkind
 -
  S
 (1 Zeile)
 8

 Nicolas

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it work, thanx so much

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[HACKERS] system table/view and sequence

2010-04-07 Thread Olivier Baheux
i'm trying to find where are stored sequence definition
(increment,minvalue,maxvalue,start,cache) in system tables. Atm I
found everything exept sequence.

Thanks in advance.

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Re: [HACKERS] system table/view and sequence

2010-04-07 Thread Nicolas Barbier
2010/4/7 Olivier Baheux olivierbah...@gmail.com:

 i'm trying to find where are stored sequence definition
 (increment,minvalue,maxvalue,start,cache) in system tables. Atm I
 found everything exept sequence.

It's in the sequence itself (which can be accessed like a table). The
fact that this table is in fact a sequence is stored in pg_class:

8
itsme=# CREATE TABLE a (i serial);
HINWEIS:  CREATE TABLE erstellt implizit eine Sequenz »a_i_seq« für
die »serial«-Spalte »a.i«
CREATE TABLE
itsme=# SELECT * FROM a_i_seq;
 sequence_name | last_value | increment_by |  max_value  |
min_value | cache_value | log_cnt | is_cycled | is_called
---++--+-+---+-+-+---+---
 a_i_seq   |  1 |1 | 9223372036854775807 |
1 |   1 |   1 | f | f
(1 Zeile)

itsme=# SELECT relkind FROM pg_class WHERE relname = 'a_i_seq';
 relkind
-
 S
(1 Zeile)
8

Nicolas

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