Rewrite electricity-logger to use an sqlite3 database

script/electricity/createdb.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+if [ "$#" -ne 1 ]; then
+	echo "Usage: $0 [/path/to/db/database].db";
+    exit 1;
+fi
+
+echo "Creating database file $1...";
+touch "$1";
+if ! [ -f "$1" ]; then
+	echo "Cannot open or create database file $1, aborting.";
+	exit 1;
+fi
+
+TABLE_NAME="ElectricityLog";
+
+echo "Creating table $TABLE_NAME...";
+sqlite3 $1 "CREATE TABLE IF NOT EXISTS $TABLE_NAME (\
+Date TEXT NOT NULL,\
+TimeUtc TEXT NOT NULL,\
+CurrentPowerUsage REAL NOT NULL,\
+TotalPowerConsumptionDay REAL NOT NULL,\
+TotalPowerConsumptionNight REAL NOT NULL,\
+CurrentPowerReturn REAL NOT NULL,\
+TotalPowerReturnDay REAL NOT NULL,\
+TotalPowerReturnNight REAL NOT NULL,\
+DayTarifEnabled INTEGER NOT NULL,\
+GasConsumptionInCubicMeters REAL NOT NULL);";
+
+echo "Creating indexes on table $TABLE_NAME...";
+sqlite3 $1 "CREATE INDEX IF NOT EXISTS idx_Date ON $TABLE_NAME (Date);"
+sqlite3 $1 "CREATE INDEX IF NOT EXISTS idx_TimeUtc ON $TABLE_NAME (TimeUtc);"