Markus Neteler 05cb6ae16d pg driver: update URLs to pg_type.h and datatypes 10 سال پیش
..
Makefile d6700ffb2c Update LIBES, DEPENDENCIES from linkage database 15 سال پیش
README 05cb6ae16d pg driver: update URLs to pg_type.h and datatypes 10 سال پیش
create_table.c 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش
cursor.c 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش
db.c 58385a1ba2 PostgreSQL DB driver: create/delete_database() implemented 12 سال پیش
dbdriver.h 1acdd0be01 Build system clean-up 16 سال پیش
describe.c dd866864cf dbdriver(pg): ignore topogeometry columns 13 سال پیش
driver.c 8868d4b686 indent -bad -bap -bbb -br -bli0 -bls -cli0 -ncs -fc1 -hnl -i4 \ 17 سال پیش
error.c 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش
execute.c 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش
fetch.c 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش
globals.h dd866864cf dbdriver(pg): ignore topogeometry columns 13 سال پیش
grass-pg.html 337ebd4879 dsn -> input/output/directory, use standardized options (https://trac.osgeo.org/grass/ticket/2409) (https://trac.osgeo.org/grass/changeset/63154 + https://trac.osgeo.org/grass/changeset/63155) 10 سال پیش
index.c 9a6f348d9b PG driver: message cosmetics 11 سال پیش
listdb.c 7bd89a76da db pg driver: debug msg backport 10 سال پیش
listtab.c a7d92cb3ca db-pg: fix db__driver_list_tables() for tables which contain 'pg_' in the name 11 سال پیش
main.c 94516acb96 Eliminate preprocessor abuse 17 سال پیش
parse.c 3a4321c417 db drivers: chop tokens 10 سال پیش
priv.c 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش
proto.h 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش
select.c 5d490c2c31 DB drivers: use db_d_report_error() instead of its own mechanism 13 سال پیش

README

Postgres driver.

This driver was originaly written by Alex Shevlakov using dbf driver
(PostgreSQL driver forked from DBF driver by Radim Blazek).
DBF driver was not good starting point, so I (R. Blazek) have rewritten it again
using ODBC, postgres driver and adding new code.

Driver supports only some field types, other types are ignored and warning is printed
by G_warning().

FIELD TYPES:
Field type code may change. See for example
http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/include/catalog/pg_type.h;hb=refs/heads/master

Because of this, type codes must be read from server when database is opened.

Check also for PostgreSQL data types for defining them in GRASS:
/usr/include/pgsql/server/catalog/pg_type.h


Supported types in ./globals.h:
(See http://www.postgresql.org/docs/9.4/interactive/datatype.html)

DB_C_TYPE_INT:
bit, int2, smallint, int4, int, integer, int8, bigint, serial, oid

DB_C_TYPE_DOUBLE:
float4, real, float8, double precision, numeric, decimal

DB_C_TYPE_STRING:
character, char, character varying, varchar, text, bool, boolean

DB_C_TYPE_DATETIME:
date, time, timestamp