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Update DB3 documentation to include user-defined casting rules.

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See #927, #938.
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Dimitri Fontaine 2019-04-14 21:56:04 +02:00
parent 39fc78e08f
commit 7b10fabd94
1 changed files with 21 additions and 3 deletions
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docs/ref/dbf.rst
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@ -1,13 +1,19 @@
Loading DBF data
=================
This command instructs pgloader to load data from a `DBF` file. Here's an
example::
This command instructs pgloader to load data from a `DBF` file. A default
set of casting rules are provided and might be overloaded and appended to by
the command.
Here's an example with a remote HTTP source and some user defined casting
rules::
LOAD DBF
FROM http://www.insee.fr/fr/methodes/nomenclatures/cog/telechargement/2013/dbf/reg2013.dbf
INTO postgresql://user@localhost/dbname
WITH truncate, create table;
WITH truncate, create table
CAST column reg2013.region to integer,
column reg2013.tncc to smallint;
The `dbf` format command accepts the following clauses and options.
@ -51,3 +57,15 @@ When loading from a `DBF` file, the following options are supported:
This options expects as its value the possibly qualified name of the
table to create.
Default DB3 Casting Rules
-------------------------
When migrating from DB3 the following Casting Rules are provided::
type C to text using db3-trim-string
type M to text using db3-trim-string
type N to numeric using db3-numeric-to-pgsql-numeric
type L to boolean using logical-to-boolean
type D to date using db3-date-to-pgsql-date