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Extended cross table query to select product dimension

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Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2017-07-04 18:02:07 +02:00
parent 3945e41a8c
commit 8e4b359762
2 changed files with 16 additions and 5 deletions
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3
07/src/de/dis2017/MainAnalysis.java
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@ -12,7 +12,8 @@ public class MainAnalysis {
*/
public static void main(String[] args) {
_orm = new ORM();
Map<String,Map<String, Map<String, Integer>>> sales = _orm.getSalesCrossTable(2017);
Map<String,Map<String, Map<String, Integer>>> sales = _orm.getSalesCrossTable(2017,
"PRODUCTFAMILY");
printTable(sales);
}

18
07/src/de/dis2017/data/db/ORM.java
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@ -196,8 +196,17 @@ public class ORM {
// --- analysis part starts here
public Map<String,Map<String, Map<String, Integer>>> getSalesCrossTable(int year) {
String querySQL = "SELECT SUM(s.SOLDUNITS) AS sales, a.NAME AS article, sh.CITY AS city, d.QUARTER AS quarter " +
/**
* Queries the cross table.
*
* @param year the year to be queried
* @param productDimension the column of the productDimension to be used (name for article name, productgroup,
* productfamily, productcategory)
* @return the cross table
*/
public Map<String,Map<String, Map<String, Integer>>> getSalesCrossTable(int year, String productDimension) {
String querySQL = "SELECT SUM(s.SOLDUNITS) AS sales, a." + productDimension + " AS article, sh.CITY AS city, " +
"d.QUARTER AS quarter " +
"FROM VSISP12.SALES AS s, " +
"VSISP12.DATETABLE AS d, " +
"VSISP12.SHOP AS sh, " +
@ -206,8 +215,9 @@ public class ORM {
"AND s.STOREID = sh.ID " +
"AND s.ARTICLEID = a.ID " +
"AND d.YEAR = " + year + " " +
"GROUP BY GROUPING SETS ( (), (sh.CITY), (a.NAME), (sh.CITY, a.NAME), " +
"(d.QUARTER, sh.CITY), (sh.CITY, a.NAME, d.QUARTER) )";
"GROUP BY GROUPING SETS ( (), (sh.CITY), (a." + productDimension + "), " +
"(sh.CITY, a." + productDimension + "), " +
"(d.QUARTER, sh.CITY), (sh.CITY, a." + productDimension + ", d.QUARTER) )";
Map<String,Map<String, Map<String, Integer>>> sales = new HashMap<>();
try {