Caché ObjectScript Reference - InterSystems Documentation

Caché ObjectScript Special VariablesCaché without specifying a user name. In this case, $USERNAME contains the string“UnknownUser”.When a process is created using the JOB command, it inherits the same $USERNAME and$ROLES values as its parent process.A user name can be created using the SQL CREATE USER statement and deleted using theSQL DROP USER statement. A user password can be changed using the SQL ALTERUSER statement. A user can have roles assigned to it, either by using the SQL GRANTstatement, or by using system utilities to add a role to the user. You can access the list ofroles assigned to the current process with the $ROLES special variable. A role can be revokedfrom a user using the SQL REVOKE statement.ExamplesThe following example returns the full user name for the current process.WRITE $USERNAMEThe following example returns the default schema name for the current process.WRITE $PIECE($USERNAME,"@")See Also• Caché ObjectScript $ROLES special variable• Caché SQL: CREATE USER DROP USER ALTER USER GRANT REVOKE%CHECKPRIV$XContains the current horizontal position of the cursor.$XDescription$X contains the current horizontal position of the cursor. As characters are written to a device,Caché updates $X to reflect the horizontal cursor position.Each printable character that is output increments $X by 1. A carriage return (ASCII 13) orform feed (ASCII 12) resets $X to 0 (zero).454 Caché ObjectScript Reference