COPY moves data between PostgreSQL tables and standard file-system files. COPY TO copies the contents of a table to a file, while COPY FROM copies data from a file to a table (appending the data to whatever is in the table already). If a column list is specified, COPY TO copies only the data in the specified columns to the file.ĬOPY TO can also copy the results of a SELECT query. For COPY FROM, each field in the file is inserted, in order, into the specified column. Download Alternate Pic View 3.260 MajorGeeks.Com Graphics & Photos All-In-One Suites Alternate Pic View 3. Table columns not specified in the COPY FROM column list will receive their default values.ĬOPY with a file name instructs the PostgreSQL server to directly read from or write to a file. Alternate Pic View is a simple freeware picture viewer and manipulator that can do slideshows, thumbnails, drawing operations, and more. The file must be accessible by the PostgreSQL user (the user ID the server runs as) and the name must be specified from the viewpoint of the server. When PROGRAM is specified, the server executes the given command and reads from the standard output of the program, or writes to the standard input of the program. The command must be specified from the viewpoint of the server, and be executable by the PostgreSQL user. When STDIN or STDOUT is specified, data is transmitted via the connection between the client and the server.Įach backend running COPY will report its progress in the pg_stat_progress_copy view. The name (optionally schema-qualified) of an existing table.
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