It supports native copy-on-write clones of the entire database (meaning server instance, not schema) without the need to make an actual 'copy. Output format is text, vertical-bar-separated, NULL as N _copy : src : bar columns : - id - name copy_to : /tmp/data. Consider migrating to RDS Aurora for MySQL. See Herokus documentation on pg:pull for more details. This will connect to the heroku DB, and copy it to the local database. To rename the db database to newdb, you follow these steps: First, disconnect from the database that you want to rename and connect to another database e.g., postgres. Then collect some information from Heroku: heroku pg:pull DATABASEURL testdevelopment. The NULL values are specified as N _copy : copy_from : /tmp/data.csv dst : bar options : delimiter : '|' null : 'N' - name : Copy data from acme table to file /tmp/data.txt in text format, TAB-separated _copy : src : acme copy_to : /tmp/data.txt - name : Copy data from SELECT query to/tmp/data.csv in CSV format _copy : src : 'SELECT * FROM acme' copy_to : /tmp/data.csv options : format : csv - name : Copy CSV data from my_table to gzip _copy : src : my_table copy_to : 'gzip > /tmp/' program : true options : format : csv - name : > Copy data from columns id, name of table bar to /tmp/data.txt. Use herokus 'pg:pull': Youll need to clear your local DB: rake db:drop. name : Copy text TAB-separated data from file /tmp/data.txt to acme table _copy : copy_from : /tmp/data.txt dst : acme - name : Copy CSV (comma-separated) data from file /tmp/data.csv to columns id, name of table acme _copy : copy_from : /tmp/data.csv dst : acme columns : id,name options : format : csv - name : > Copy text vertical-bar-separated data from file /tmp/data.txt to bar table.
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