Loader_Generate_Nation_Script — Generates a shell script for the specified platform that loads in the county and state lookup tables.
text loader_generate_nation_script(text os
Generates a shell script for the specified platform that loads in the
state_all tables into
tiger_data schema. These inherit respectively from the
state tables in
It uses unzip on Linux (7-zip on Windows by default) and wget to do the downloading. It uses Section 4.4.2, “shp2pgsql: Using the ESRI Shapefile Loader” to load in the data.
It uses the following control tables
tiger.loader_lookuptables to control the process and different OS shell syntax variations.
loader_variables keeps track of various variables such as census site, year, data and staging schemas
loader_platform profiles of various platforms and where the various executables are located. Comes with windows and linux/unix. More can be added.
loader_lookuptables each record defines a kind of table (state, county), whether to process records in it and how to load them in. Defines the steps to import data, stage data, add, removes columns, indexes, and constraints for each. Each table is prefixed with the state and inherits from a table in the tiger schema. e.g. creates
tiger_data.ma_faces which inherits from
If you were running
Generate script script to load nation data Windows.
Generate script to load up data for Linux/Unix systems.