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Extended cross table query to allow different entries for time dimension 

Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens 2017-07-05 13:51:39 +02:00
parent e601db107e
commit 7eba64459c
2 changed files with 46 additions and 11 deletions
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47
07/src/de/dis2017/MainAnalysis.java
View File

@ -6,24 +6,34 @@ import java.util.*;
public class MainAnalysis {
private static ORM _orm;
private static int _year;
private static String _productDimension;
private static String _locationDimension;
private static String _timeDimension;
/**
* Starts the application.
*/
public static void main(String[] args) {
_orm = new ORM();
Map<String,Map<String, Map<String, Integer>>> sales = _orm.getSalesCrossTable(2017,
"PRODUCTFAMILY",
"NAME");
printTable(sales);
_year = 2017;
_productDimension = "PRODUCTFAMILY";
_locationDimension = "NAME";
_timeDimension = "MONTH";
Map<String,Map<String, Map<String, Integer>>> sales = _orm.getSalesCrossTable(_year,
_productDimension,
_locationDimension,
_timeDimension);
printTable(sales, _timeDimension);
}
private static void printTable(Map<String, Map<String, Map<String, Integer>>> crossTable) {
private static void printTable(Map<String, Map<String, Map<String, Integer>>> crossTable, String timeDimension) {
List<String> articleNames = new ArrayList<>(crossTable.get("total").get("total").keySet());
Collections.sort(articleNames);
StringBuilder columnHeaderEdge = new StringBuilder("+------------------------+-----------------+");
StringBuilder columnHeader = new StringBuilder("| Location | Time |");
StringBuilder leftAlignFormat = new StringBuilder("| %-22s | %-15s |");
StringBuilder leftAlignFormat = new StringBuilder("| %-22s | %15s |");
for (String article : articleNames) {
if (article.equals("total")) continue;
@ -62,12 +72,35 @@ public class MainAnalysis {
List<String> times = new ArrayList<>(timeMap.keySet());
Collections.sort(times);
Map<Integer, String> months = new HashMap<>();
months.put(1, "January");
months.put(2, "February");
months.put(3, "March");
months.put(4, "April");
months.put(5, "May");
months.put(6, "June");
months.put(7, "July");
months.put(8, "August");
months.put(9, "September");
months.put(10, "October");
months.put(11, "November");
months.put(12, "December");
for (String time : times) {
if (time.equals("total")) continue;
Map<String, Integer> productMap = timeMap.get(time);
List<Object> values = new ArrayList<>();
values.add(city);
values.add("quarter " + time + ", 2017");
switch (timeDimension) {
case "QUARTER":
values.add("quarter " + time + ", 2017");
break;
case "MONTH":
values.add(months.get(Integer.valueOf(time)) + ", 2017");
break;
case "YEAR":
values.add(time);
break;
}
for (String article : articleNames) {
if (article.equals("total")) continue;
values.add(productMap.get(article));

10
07/src/de/dis2017/data/db/ORM.java
View File

@ -203,14 +203,16 @@ public class ORM {
* @param productDimension the column of the productDimension to be used (name for article name, productgroup,
* productfamily, productcategory)
* @param locationDimension the column of the locationDimension to be used (name for shop name, city, region, country)
* @param timeDimension the column of the timeDimension to be used (month, quarter, year)
* @return the cross table
*/
public Map<String,Map<String, Map<String, Integer>>> getSalesCrossTable(int year,
String productDimension,
String locationDimension) {
String locationDimension,
String timeDimension) {
String querySQL = "SELECT SUM(s.SOLDUNITS) AS sales, a." + productDimension + " AS article, sh." +
locationDimension + " AS city, " +
"d.QUARTER AS quarter " +
"d." + timeDimension + " AS quarter " +
"FROM VSISP12.SALES AS s, " +
"VSISP12.DATETABLE AS d, " +
"VSISP12.SHOP AS sh, " +
@ -221,8 +223,8 @@ public class ORM {
"AND d.YEAR = " + year + " " +
"GROUP BY GROUPING SETS ( (), (sh." + locationDimension + "), (a." + productDimension + "), " +
"(sh." + locationDimension + ", a." + productDimension + "), " +
"(d.QUARTER, sh." + locationDimension + "), " +
"(sh." + locationDimension + ", a." + productDimension + ", d.QUARTER) )";
"(d." + timeDimension + ", sh." + locationDimension + "), " +
"(sh." + locationDimension + ", a." + productDimension + ", d." + timeDimension + ") )";
Map<String,Map<String, Map<String, Integer>>> sales = new HashMap<>();
try {