-
由 Bruce Momjian 提交于
the COPY NULL string: test=> copy pg_language to '/tmp/x' with delimiter '|'; COPY test=> copy pg_language to '/tmp/x' with delimiter '|' null '|x'; ERROR: COPY delimiter must not appear in the NULL specification test=> copy pg_language from '/tmp/x' with delimiter '|' null '|x'; ERROR: COPY delimiter must not appear in the NULL specification It also throws an error if it conflicts with the default NULL string: test=> copy pg_language to '/tmp/x' with delimiter '\\'; ERROR: COPY delimiter must not appear in the NULL specification test=> copy pg_language to '/tmp/x' with delimiter '\\' NULL 'x'; COPY
4a72dbc1