The ON_ERROR_STOP variable is a psql special variable that controls the behavior of psql as it executes in script mode. When this variable is set, a SQL error will generate an OS return code 3, whereas other OS-related errors will return code 1.
The ON_ERROR_STOP variable is a psql special variable that controls the behavior of psql as it executes in script mode. When this variable is set, a SQL error will generate an OS return code 3, whereas other OS-related errors will return code 1.