换成大写了还是报这个错误:
postgres=# copy "TB_CELL_XYZ_AVERAGE" from 'd:\data\average.txt' USING DELIMITER
S '|';
WARNING: nonstandard use of escape in a string literal
LINE 1: copy "TB_CELL_XYZ_AVERAGE" from 'd:\data\average.txt' USING ...
^
HINT: Use the escape string syntax for escapes, e.g., E'\r\n'.
ERROR: relation "TB_CELL_XYZ_AVERAGE" does not exist