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预定义角色

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PostgreSQL 版本定义:18

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pg_read_all_settingsenenenenenenenenenenen
pg_read_all_statsenenenenenenenenenenen
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pg_signal_backendenenenenenenenenenenen
pg_stat_scan_tablesenenenenenenenenenenen
pg_use_reserved_connectionsenenenenen——————
pg_write_all_dataenenenenenenen————
pg_write_server_filesenenenenenenenenenen—