To upgrade the PostgreSQL database error resolution

Stop the Old Library

There's nothing to say.

Initializes a new database with a new version of 9.4

There's nothing to say.

Check

/usr/local/cellar/postgresql/9.4.1/bin/pg_upgrade-c--link-b/usr/local/cellar/postgresql/9.3.5/bin-b/usr/local/ cellar/postgresql/9.4.1/bin/-d/usr/local/var/postgres-d/users/bigzhu/pg94
-B old version Database bin directory
-B New version Database bin directory
-D old version database file directory
-D new version database file directory
-C means the check does not make changes

Operation

The same command, take C out of the line

/usr/local/cellar/postgresql/9.4.1/bin/pg_upgrade--link-b/usr/local/cellar/postgresql/9.3.5/bin-b/usr/local/ cellar/postgresql/9.4.1/bin/-d/usr/local/var/postgres-d/users/bigzhu/pg94