temporal_tables | Temporal Tables PostgreSQL Extension | Database library
kandi X-RAY | temporal_tables Summary
kandi X-RAY | temporal_tables Summary
[Build Status] Temporal Tables Extension requires PostgreSQL 9.2 or higher.
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temporal_tables Examples and Code Snippets
Community Discussions
Trending Discussions on temporal_tables
QUESTION
My goal is to return transaction_start
value.
Tried RETURNING keyword.
But in transaction it is not working. There is no errors in result. The result just contains no data.
Is there other way to achieve this goal?
...ANSWER
Answered 2020-Apr-06 at 22:33First off a pointer. Telling us "it's not working" is completely useless as we already know that; if it were working you would not be asking for help. Further "not returning value" is not much better. You need to tell what you expect and what you are getting. If you receive an error message then post it otherwise state you are not getting a message. You might want to review How to ask.
Now as to this particular problem. The RETURNING clause not work at the transaction level, it works on on the row level. A row is returned for each row processed. Further the clause requires what would be a valid select, so * or a column name. Try:
QUESTION
I am providing a Flink SQL interface to users, so I can't really use the Table or Java/Scala interface. Everything needs to be specified in SQL. I can parse comments in the SQL files though, and add specified ad hoc lower level API instructions.
How can one user could convert, say:
...ANSWER
Answered 2019-Sep-27 at 12:52Please disregard this question, apparently the Temporal Table Functions can accept tables which are (to me) retracting.
Something to the effect of:
QUESTION
I'm following Flink's Defining Temporal Table Function example, and the compiler refuses to take that code:
...ANSWER
Answered 2019-Feb-10 at 18:19Figured it out:
I needed to import StreamTableEnvironment from a specific package: org.apache.flink.table.api.java.StreamTableEnvironment. My autocompletion was not being properly update in time, which made me think there was no proper method. But it is there.
QUESTION
I'm getting error even i have added btree_gist
and temporal_tables
extensions.
ANSWER
Answered 2018-May-04 at 13:44If you are talking about this extension, I am not surprised.
The extension does not define a data type or domain called period
.
QUESTION
So I am new to using procedures and triggers and it is really confusing me
I have used temporal tables
and want to basically create a history table of records inserted,updated or deleted.
Infact I have created my history table and works fine when I use this trigger sql
...ANSWER
Answered 2018-Mar-07 at 08:46https://www.postgresql.org/docs/current/static/plpgsql-trigger.html
A trigger procedure is created with the CREATE FUNCTION command, declaring it as a function with no arguments and a return type of trigger
and also
- same trigger can't fire both before and after event - just create two triggers if you really need it
https://www.postgresql.org/docs/current/static/sql-createtrigger.html
Determines whether the function is called before, after, or instead of the event.
- use
NEW
instead ofOLD
for new values
https://www.postgresql.org/docs/current/static/plpgsql-trigger.html
NEW
Data type RECORD; variable holding the new database row for INSERT/UPDATE operations in row-level triggers. This variable is unassigned in statement-level triggers and for DELETE operations.
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