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Diffstat (limited to 'doc/src/usage.rst')
| -rw-r--r-- | doc/src/usage.rst | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/src/usage.rst b/doc/src/usage.rst index 9dd31df..3b42aeb 100644 --- a/doc/src/usage.rst +++ b/doc/src/usage.rst @@ -864,11 +864,19 @@ Using COPY TO and COPY FROM Psycopg `cursor` objects provide an interface to the efficient PostgreSQL |COPY|__ command to move data from files to tables and back. + +Currently no adaptation is provided between Python and PostgreSQL types on +|COPY|: the file can be any Python file-like object but its format must be in +the format accepted by `PostgreSQL COPY command`__ (data fromat, escaped +characters, etc). + +.. __: COPY_ + The methods exposed are: `~cursor.copy_from()` Reads data *from* a file-like object appending them to a database table - (:sql:`COPY table FROM file` syntax). The source file must have both + (:sql:`COPY table FROM file` syntax). The source file must provide both `!read()` and `!readline()` method. `~cursor.copy_to()` |