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1edb3b491b
This adds a Node *escontext parameter to it and a bunch of functions downstream to it, replacing any ereport()s in that path by either errsave() or ereturn() as appropriate. This also adds code to those functions where necessary to return early upon encountering a soft error. The changes here are mainly intended to suppress errors in the functions of jsonfuncs.c. Functions in any external modules, such as arrayfuncs.c, that those functions may in turn call are not changed here based on the assumption that the various checks in jsonfuncs.c functions should ensure that only values that are structurally valid get passed to the functions in those external modules. An exception is made for domain_check() to allow handling domain constraint violation errors softly. For testing, this adds a function jsonb_populate_record_valid(), which returns true if jsonb_populate_record() would finish without causing an error for the provided JSON object, false otherwise. Note that jsonb_populate_record() internally calls populate_record(), which in turn uses populate_record_field(). Extracted from a much larger patch to add SQL/JSON query functions. Author: Nikita Glukhov <n.gluhov@postgrespro.ru> Author: Teodor Sigaev <teodor@sigaev.ru> Author: Oleg Bartunov <obartunov@gmail.com> Author: Alexander Korotkov <aekorotkov@gmail.com> Author: Andrew Dunstan <andrew@dunslane.net> Author: Amit Langote <amitlangote09@gmail.com> Reviewers have included (in no particular order) Andres Freund, Alexander Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zihong Yu, Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby, Álvaro Herrera, Jian He, Peter Eisentraut Discussion: https://postgr.es/m/cd0bb935-0158-78a7-08b5-904886deac4b@postgrespro.ru Discussion: https://postgr.es/m/20220616233130.rparivafipt6doj3@alap3.anarazel.de Discussion: https://postgr.es/m/abd9b83b-aa66-f230-3d6d-734817f0995d%40postgresql.org Discussion: https://postgr.es/m/CA+HiwqHROpf9e644D8BRqYvaAPmgBZVup-xKMDPk-nd4EpgzHw@mail.gmail.com Discussion: https://postgr.es/m/CA+HiwqE4XTdfb1nW=Ojoy_tQSRhYt-q_kb6i5d4xcKyrLC1Nbg@mail.gmail.com