On 10/27/19 8:01 PM, Yessica Brinkmann wrote: > Thank you so much for the answers. > By telling me this: "MemoryContextStrdup enables you to create a copy of > a string in an explicitly specified memory context." I better understood > the function of MemoryContextStrdup. > And thank you very much to Mr. Jony Cohen for giving me the reference of > his work. I really was already researching about his work, and I > included it in the state of the art of my thesis, but I didn't look at > the source code. > I will be looking at the source code for a help, and especially in this > case to see for the moment, the maintenance of the context for its > subsequent restoration. For better understanding of how Postgres manages memory, you might want to also read this: https://github.com/postgres/postgres/blob/master/src/backend/utils/mmgr/README and possibly browse through this: https://github.com/postgres/postgres/blob/master/src/backend/utils/mmgr/mcxt.c HTH, Joe -- Crunchy Data - http://crunchydata.com PostgreSQL Support for Secure Enterprises Consulting, Training, & Open Source Development
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