Michael Paquier writes:
> On Mon, Dec 04, 2023 at 09:57:24AM -0500, Tom Lane wrote:
>> Jerry Brenner writes:
>>> Both Oracle and SQL Server have
>>> consistent hash values for query plans and that makes it easy to identify
>>> when there are multiple plans for the same query. Does that concept e
On Mon, Dec 04, 2023 at 09:57:24AM -0500, Tom Lane wrote:
> Jerry Brenner writes:
>> Both Oracle and SQL Server have
>> consistent hash values for query plans and that makes it easy to identify
>> when there are multiple plans for the same query. Does that concept exist
>> in later releases of Po
Hi,
On Mon, Dec 04, 2023 at 06:45:39AM -0800, Jerry Brenner wrote:
> We are currently on Postgres 13.9 (and will be moving to later releases).
> We are capturing json explain plans and storing them in a database table.
> We can tell that there are different plans for some queries, but that's a
> v
Jerry Brenner writes:
> Both Oracle and SQL Server have
> consistent hash values for query plans and that makes it easy to identify
> when there are multiple plans for the same query. Does that concept exist
> in later releases of Postgres (and is the value stored in the json explain
> plan)?
No
We are currently on Postgres 13.9 (and will be moving to later releases).
We are capturing json explain plans and storing them in a database table.
We can tell that there are different plans for some queries, but that's a
very labor intensive process - we'd rather do this using SQL and comparing
co