Re: question about parallel. i read document and i can't solve it. provide the solution please.

On Sunday, November 9, 2025, PG Doc comments form wrote: > The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/18/when-can-parallel- > query-be-used.html > Description: > > I'm inquiring because I have some problem getting parallel process

question about parallel. i read document and i can't solve it. provide the solution please.

The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/18/when-can-parallel-query-be-used.html Description: I'm inquiring because I have some problem getting parallel processing to run effectively in PostgreSQL. My current parameter settings. ma

MERGE command is not mentioned in the list of commands for variable substitution

The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/18/plpgsql-implementation.html Description: In the last paragraph of the section 41.11.1. "Variable Substitution" there is such a sentence -- "Variable substitution currently works only in SE

Re: MERGE command is not mentioned in the list of commands for variable substitution

On Tue, 11 Nov 2025 at 05:52, PG Doc comments form wrote: > "Variable substitution currently works only in SELECT, INSERT, UPDATE, > DELETE, and commands containing one of these..." > https://www.postgresql.org/docs/current/plpgsql-implementation.html#PLPGSQL-VAR-SUBST > But experiments showed tha