Hi,
I am trying to get the meta data of a sequence that I created out from
the system catalogs, so that I can reconstruct the SQL Statement. I
need this for pre and post PG 7.3 ... or either. I have read through
the documentation and the past postings and can't seem to find any
reference to the topic.
I currently can execute this statement to create the Sequence ...
CREATE SEQUENCE FULL_SEQUENCE
INCREMENT 2
MINVALUE 1
MAXVALUE 20000
START 7 CACHE 5 CYCLE
Then, execute this statement to get a name list of the existing
sequence ...
SELECT *
FROM PG_CLASS
WHERE RELKIND = 'S'
AND UPPER(RELNAME) = 'FULL_SEQUENCE'
But, the only data that the pg_class table provides is the name of the
Sequence. It doesn't provide me with the INCREMENT, MINVALUE,
MAXVALUE, START, CACHE or CYCLE values. From the documentation there
doesn't seem to be any 'related' foreign tables that have any extra
data.
Is this information in the System Tables?
thanks
-John
1  3121  Jo****@aquafold .com (JohnLH) wrote in message news:<bc******* *************** ****@posting.go ogle.com>... Hi,
I am trying to get the meta data of a sequence that I created out from
the system catalogs, so that I can reconstruct the SQL Statement. I
need this for pre and post PG 7.3 ... or either. I have read through
the documentation and the past postings and can't seem to find any
reference to the topic.
I currently can execute this statement to create the Sequence ...
CREATE SEQUENCE FULL_SEQUENCE
INCREMENT 2
MINVALUE 1
MAXVALUE 20000
START 7 CACHE 5 CYCLE
Then, execute this statement to get a name list of the existing
sequence ...
SELECT *
FROM PG_CLASS
WHERE RELKIND = 'S'
AND UPPER(RELNAME) = 'FULL_SEQUENCE'
But, the only data that the pg_class table provides is the name of the
Sequence. It doesn't provide me with the INCREMENT, MINVALUE,
MAXVALUE, START, CACHE or CYCLE values. From the documentation there
doesn't seem to be any 'related' foreign tables that have any extra
data.
Is this information in the System Tables?
thanks
-John
Simple. A sequence is implemented as a table with the same name. So
all you need to do is:
select * from FULL_SEQUENCE; This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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