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package mssql;
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.ETableSource;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.TPivotClause;
import gudusoft.gsqlparser.nodes.TPivotedTable;
import gudusoft.gsqlparser.nodes.TTable;
import gudusoft.gsqlparser.nodes.TUnpivotInClause;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
import junit.framework.TestCase;
public class testPivot extends TestCase {
public void testSqlServer1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT 'AverageCost' AS Cost_Sorted_By_Production_Days, \n" +
"[0], [1], [2], [3], [4]\n" +
"FROM\n" +
"(SELECT DaysToManufacture, StandardCost \n" +
" FROM Production.Product) AS SourceTable\n" +
"PIVOT\n" +
"(\n" +
"AVG(StandardCost)\n" +
"FOR DaysToManufacture IN ([0], [1], [2], [3], [4])\n" +
") AS PivotTable;";
assertTrue(sqlparser.parse() == 0);
// System.out.print(sqlparser.sqltext);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TTable table = select.tables.getTable(0);
//assertTrue(table.getTableType() == ETableSource.pivoted_table);
assertTrue(table.getTableType() == ETableSource.subquery);
TSelectSqlStatement subquery = table.getSubquery();
assertTrue(subquery.tables.getTable(0).toString().equalsIgnoreCase("Production.Product"));
assertTrue(table.getAliasClause().getAliasName().toString().equalsIgnoreCase("SourceTable"));
assertTrue(select.getTargetTable().getTableType() == ETableSource.pivoted_table);
TPivotedTable pivotedTable = select.getTargetTable().getPivotedTable();
TPivotClause pivotClause = pivotedTable.getPivotClause();
assertTrue(pivotClause.getType() == TPivotClause.pivot);
assertTrue(pivotClause.getAggregation_function().toString().equalsIgnoreCase("AVG(StandardCost)"));
assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("DaysToManufacture"));
//assertTrue(pivotClause.getPivotColumnList().size() == 5);
assertTrue( pivotClause.getPivotInClause().getItems().size() == 5);
//assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("[0]"));
assertTrue( pivotClause.getPivotInClause().getItems().getResultColumn(0).toString().equalsIgnoreCase("[0]"));
assertTrue(pivotClause.getAliasClause().toString().equalsIgnoreCase("PivotTable"));
}
public void testSqlServer2(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT ShipName, ShipAddress, [1],[2],[3], France, Germany, Brazil\n" +
"from [northwind].[dbo].[Orders]\n" +
"pivot ( sum(freight) for shipvia in ([1],[2],[3])) sum_freight\n" +
"pivot ( count(shipcountry) for Shipcountry in ([France], [Germany], [Brazil])) cntry";
assertTrue(sqlparser.parse() == 0);
//System.out.print(sqlparser.sqltext);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TTable table = select.tables.getTable(0);
//assertTrue(table.getTableType() == ETableSource.pivoted_table);
assertTrue(table.getTableType() == ETableSource.objectname);
assertTrue(table.toString().equalsIgnoreCase("[northwind].[dbo].[Orders]"));
TPivotedTable pivotedTable = select.getTargetTable().getPivotedTable();
assertTrue(pivotedTable.getPivotClauseList().size() == 2);
TPivotClause pivotClause = pivotedTable.getPivotClauseList().getElement(0);
assertTrue(pivotClause.getType() == TPivotClause.pivot);
assertTrue(pivotClause.getAggregation_function().toString().equalsIgnoreCase("sum(freight)"));
assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("shipvia"));
// assertTrue(pivotClause.getPivotColumnList().size() == 3);
assertTrue(pivotClause.getPivotInClause().getItems().size() == 3);
// assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("[1]"));
assertTrue(pivotClause.getPivotInClause().getItems().getResultColumn(0).toString().equalsIgnoreCase("[1]"));
assertTrue(pivotClause.getAliasClause().toString().equalsIgnoreCase("sum_freight"));
// table = pivotedTable.getTableSource();
// assertTrue(table.getTableType() == ETableSource.pivoted_table);
// pivotedTable = table.getPivotedTable();
pivotClause = pivotedTable.getPivotClauseList().getElement(1);
assertTrue(pivotClause.getType() == TPivotClause.pivot);
assertTrue(pivotClause.getAggregation_function().toString().equalsIgnoreCase("count(shipcountry)"));
assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("Shipcountry"));
//assertTrue(pivotClause.getPivotColumnList().size() == 3);
assertTrue(pivotClause.getPivotInClause().getItems().size() == 3);
//assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("[France]"));
assertTrue(pivotClause.getPivotInClause().getItems().getResultColumn(0).toString().equalsIgnoreCase("[France]"));
assertTrue(pivotClause.getAliasClause().toString().equalsIgnoreCase("cntry"));
}
public void testUnpivot1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT CustomerID, Phone\n" +
"FROM\n" +
"(\n" +
" SELECT CustomerID, Phone1, Phone2, Phone3 \n" +
" FROM dbo.CustomerPhones\n" +
") AS cp\n" +
"UNPIVOT \n" +
"(\n" +
" Phone FOR Phones IN (Phone1, Phone2, Phone3)\n" +
") AS up;\n";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TTable table = select.tables.getTable(0);
assertTrue(table.getTableType() == ETableSource.subquery);
TSelectSqlStatement subquery = table.getSubquery();
assertTrue(subquery.getTables().getTable(0).toString().equalsIgnoreCase("dbo.CustomerPhones"));
TPivotedTable pivotedTable = select.getTargetTable().getPivotedTable();
assertTrue(pivotedTable.getPivotClauseList().size() == 1);
TPivotClause pivotClause = pivotedTable.getPivotClauseList().getElement(0);
assertTrue(pivotClause.getType() == TPivotClause.unpivot);
assertTrue(pivotClause.getPivotTable().toString().equalsIgnoreCase("up"));
assertTrue(pivotClause.getValueColumnList().getObjectName(0).toString().equalsIgnoreCase("Phone"));
assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("Phones"));
TUnpivotInClause unpivotInClause = pivotClause.getUnpivotInClause();
assertTrue(unpivotInClause.getItems().getElement(0).getColumn().toString().equalsIgnoreCase("Phone1"));
assertTrue(unpivotInClause.getItems().getElement(1).getColumn().toString().equalsIgnoreCase("Phone2"));
assertTrue(unpivotInClause.getItems().getElement(2).getColumn().toString().equalsIgnoreCase("Phone3"));
}
public void testUnpivot2(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT CustomerID, Phone, PhoneType\n" +
"FROM \n" +
"(\n" +
" SELECT CustomerID, Phone, PhoneType,\n" +
" idp = SUBSTRING(Phones, LEN(Phones) - PATINDEX('%[^0-9]%', REVERSE(Phones)) + 2, 32),\n" +
" idpt = SUBSTRING(PhoneTypes, LEN(PhoneTypes) - PATINDEX('%[^0-9]%', REVERSE(PhoneTypes)) + 2, 32)\n" +
" FROM\n" +
" (\n" +
" SELECT CustomerID, Phone1, Phone2, Phone3,\n" +
" PhoneType1, PhoneType2, PhoneType3\n" +
" FROM dbo.CustomerPhones2\n" +
" ) AS cp\n" +
" UNPIVOT \n" +
" (\n" +
" Phone FOR Phones IN (Phone1, Phone2, Phone3)\n" +
" ) AS p\n" +
" UNPIVOT\n" +
" (\n" +
" PhoneType FOR PhoneTypes IN (PhoneType1, PhoneType2, PhoneType3)\n" +
" ) AS pt\n" +
") AS x\n" +
"WHERE idp = idpt;\n";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement subquery0 = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TTable table0 = subquery0.tables.getTable(0);
TSelectSqlStatement select = table0.getSubquery();
TTable table = select.tables.getTable(0);
assertTrue(table.getTableType() == ETableSource.subquery);
TSelectSqlStatement subquery = table.getSubquery();
assertTrue(subquery.getTables().getTable(0).toString().equalsIgnoreCase("dbo.CustomerPhones2"));
TPivotedTable pivotedTable = select.getTargetTable().getPivotedTable();
assertTrue(pivotedTable.getPivotClauseList().size() == 2);
TPivotClause pivotClause = pivotedTable.getPivotClauseList().getElement(0);
assertTrue(pivotClause.getType() == TPivotClause.unpivot);
assertTrue(pivotClause.getPivotTable().toString().equalsIgnoreCase("p"));
assertTrue(pivotClause.getValueColumnList().getObjectName(0).toString().equalsIgnoreCase("Phone"));
assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("Phones"));
TUnpivotInClause unpivotInClause = pivotClause.getUnpivotInClause();
assertTrue(unpivotInClause.getItems().getElement(0).getColumn().toString().equalsIgnoreCase("Phone1"));
assertTrue(unpivotInClause.getItems().getElement(1).getColumn().toString().equalsIgnoreCase("Phone2"));
assertTrue(unpivotInClause.getItems().getElement(2).getColumn().toString().equalsIgnoreCase("Phone3"));
pivotClause = pivotedTable.getPivotClauseList().getElement(1);
assertTrue(pivotClause.getType() == TPivotClause.unpivot);
assertTrue(pivotClause.getPivotTable().toString().equalsIgnoreCase("pt"));
assertTrue(pivotClause.getValueColumnList().getObjectName(0).toString().equalsIgnoreCase("PhoneType"));
assertTrue(pivotClause.getPivotColumnList().getObjectName(0).toString().equalsIgnoreCase("PhoneTypes"));
unpivotInClause = pivotClause.getUnpivotInClause();
assertTrue(unpivotInClause.getItems().getElement(0).getColumn().toString().equalsIgnoreCase("PhoneType1"));
assertTrue(unpivotInClause.getItems().getElement(1).getColumn().toString().equalsIgnoreCase("PhoneType2"));
assertTrue(unpivotInClause.getItems().getElement(2).getColumn().toString().equalsIgnoreCase("PhoneType3"));
}
}