DROP OPERATOR(7) SQL Commands DROP OPERATOR(7) NAME DROP OPERATOR - SYNOPSIS DROP OPERATOR name ( lefttype | NONE , righttype | NONE ) [ CASCADE | RESTRICT ] DESCRIPTION DROP OPERATOR PARAMETERS name lefttype NONE righttype NONE CASCADE RESTRICT EXAMPLES integer a^n DROP OPERATOR ^ (integer, integer); bit ~b ~b for type bit: DROP OPERATOR ~ (none, bit); integer x! DROP OPERATOR ! (integer, none); COMPATIBILITY SQL DROP OPERATOR SEE ALSO CREATE OPERATOR [create_operator(7)] Postgresql man man https://github.com/man-pages-zh/manpages- zh SQL - Language Statements 2003-11-02 DROP OPERATOR(7)