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4c0390ac53
This adds the force_array option, which is available exclusively when using COPY TO with the JSON format. When enabled, this option wraps the output in a top-level JSON array (enclosed in square brackets with comma-separated elements), making the entire result a valid single JSON value. Without this option, the default behavior is to output a stream of independent JSON objects. Attempting to use this option with COPY FROM or with formats other than JSON will raise an error. Author: Joe Conway <mail@joeconway.com> Author: jian he <jian.universality@gmail.com> Reviewed-by: Junwang Zhao <zhjwpku@gmail.com> Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com> Reviewed-by: Florents Tselai <florents.tselai@gmail.com> Reviewed-by: Andrew Dunstan <andrew@dunslane.net> Discussion: https://postgr.es/m/CALvfUkBxTYy5uWPFVwpk_7ii2zgT07t3d-yR_cy4sfrrLU%3Dkcg%40mail.gmail.com Discussion: https://postgr.es/m/6a04628d-0d53-41d9-9e35-5a8dc302c34c@joeconway.com |
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