modify tables to take advantage of state-country information

gen_pop_data.sh

@@ -46,5 +46,8 @@ fi
 # load NUTS objects into DB
 ./inputs/load_table_data.sh "$HOST" "$USER" "$PASSWORD"
 
+# modify tables to include states and countries data and to be indexed on them
+./inputs/modify_tables.sh "$HOST" "$USER" "$PASSWORD"
+
 # dump data and drop database on 'local' instance
 ./inputs/dump_and_drop.sh "$HOST" "$USER" "$PASSWORD"

inputs/modify_tables.sh

+#!/bin/bash
+
+# Assign parameters to variables
+HOST=$1
+USER=$2
+PASSWORD=$3
+
+echo "*** Fix tables to include states and countries data and to be indexed on them:"
+mariadb -h "$HOST" -u "$USER" -p"$PASSWORD"  < inputs/sql/modify_tables_for_state_country.sql

inputs/sql/modify_tables_for_state_country.sql

+-- US data
+ALTER TABLE us_block_2020
+ADD INDEX idx_fips_state (state);
+
+-- EU data
+-- Step 1: Add the country column to the table
+ALTER TABLE eu_lau
+ADD COLUMN eu_country CHAR(2);
+-- Step 2: Add the new column to the table index
+ALTER TABLE eu_lau
+ADD INDEX idx_eu_country (eu_country);
+-- Step 3: Update the country column based on the cntr_code column
+UPDATE eu_lau
+SET eu_country = CNTR_CODE;
+
+-- Step 1: Add the country column to the table
+ALTER TABLE eu_nuts
+ADD COLUMN eu_country CHAR(2);
+-- Step 2: Add the new column to the table index
+ALTER TABLE eu_nuts
+ADD INDEX idx_eu_country (eu_country);
+-- Step 3: Update the country column based on the Country column
+UPDATE eu_nuts
+SET eu_country = LEFT(GeoID, 2);