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For JPivot users, rather than having mysterious column name like
x0, x1, etc., rename columns as ColumnName_0, ColumnName_1 etc.
[git-p4: depot-paths = "//open/mondrian/": change = 7831]- Loading branch information
Richard Emberson
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Oct 2, 2006
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252 changes: 127 additions & 125 deletions
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src/main/mondrian/rolap/agg/DrillThroughQuerySpec.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,125 +1,127 @@ | ||
| /* | ||
| // $Id$ | ||
| // This software is subject to the terms of the Common Public License | ||
| // Agreement, available at the following URL: | ||
| // http://www.opensource.org/licenses/cpl.html. | ||
| // Copyright (C) 2005-2005 Julian Hyde | ||
| // All Rights Reserved. | ||
| // You must accept the terms of that agreement to use this software. | ||
| */ | ||
|
|
||
| package mondrian.rolap.agg; | ||
|
|
||
| import mondrian.olap.Util; | ||
| import mondrian.olap.MondrianDef; | ||
| import mondrian.rolap.RolapStar; | ||
| import mondrian.rolap.sql.SqlQuery; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.HashSet; | ||
| import java.util.Set; | ||
|
|
||
| /** | ||
| * Provides the information necessary to generate SQL for a drill-through | ||
| * request. | ||
| * | ||
| * @author jhyde | ||
| * @author Richard M. Emberson | ||
| * @version $Id$ | ||
| */ | ||
| class DrillThroughQuerySpec extends AbstractQuerySpec { | ||
| private final CellRequest request; | ||
| private final String[] columnNames; | ||
|
|
||
| public DrillThroughQuerySpec(final CellRequest request) { | ||
| super(request.getMeasure().getStar()); | ||
| this.request = request; | ||
| this.columnNames = computeDistinctColumnNames(); | ||
| } | ||
|
|
||
| private String[] computeDistinctColumnNames() { | ||
| final List columnNames = new ArrayList(); | ||
| final Set columnNameSet = new HashSet(); | ||
|
|
||
| final RolapStar.Column[] columns = getColumns(); | ||
| for (int i = 0; i < columns.length; i++) { | ||
| RolapStar.Column column = columns[i]; | ||
| addColumnName(column, columnNames, columnNameSet); | ||
| } | ||
|
|
||
| addColumnName(request.getMeasure(), columnNames, columnNameSet); | ||
|
|
||
| return (String[]) columnNames.toArray(new String[columnNames.size()]); | ||
| } | ||
|
|
||
| private void addColumnName(final RolapStar.Column column, | ||
| final List columnNames, | ||
| final Set columnNameSet) { | ||
| String columnName = column.getName(); | ||
| if (columnName != null) { | ||
| // nothing | ||
| } else if (column.getExpression() instanceof MondrianDef.Column) { | ||
| columnName = ((MondrianDef.Column) column.getExpression()).name; | ||
| } else { | ||
| columnName = "c" + Integer.toString(columnNames.size()); | ||
| } | ||
| // Register the column name, and if it's not unique, | ||
| // generate names until it is. | ||
| for (int j = 0; !columnNameSet.add(columnName); j++) { | ||
| columnName = "x" + Integer.toString(j); | ||
| } | ||
| columnNames.add(columnName); | ||
| } | ||
|
|
||
| public int getMeasureCount() { | ||
| return 1; | ||
| } | ||
|
|
||
| public RolapStar.Measure getMeasure(final int i) { | ||
| Util.assertTrue(i == 0); | ||
| return request.getMeasure(); | ||
| } | ||
|
|
||
| public String getMeasureAlias(final int i) { | ||
| Util.assertTrue(i == 0); | ||
| return columnNames[columnNames.length - 1]; | ||
| } | ||
|
|
||
| public RolapStar.Column[] getColumns() { | ||
| return request.getConstrainedColumns(); | ||
| } | ||
|
|
||
| public String getColumnAlias(final int i) { | ||
| return columnNames[i]; | ||
| } | ||
|
|
||
| public ColumnConstraint[] getConstraints(final int i) { | ||
| final ColumnConstraint constr = | ||
| (ColumnConstraint) request.getValueList().get(i); | ||
| return (constr == null) | ||
| ? null | ||
| : new ColumnConstraint[] {constr}; | ||
| } | ||
|
|
||
| public String generateSqlQuery() { | ||
| SqlQuery sqlQuery = newSqlQuery(); | ||
|
|
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| nonDistinctGenerateSQL(sqlQuery); | ||
|
|
||
| return sqlQuery.toString(); | ||
| } | ||
| protected void addMeasure(final int i, final SqlQuery sqlQuery) { | ||
| RolapStar.Measure measure = getMeasure(i); | ||
|
|
||
| Util.assertTrue(measure.getTable() == getStar().getFactTable()); | ||
| measure.getTable().addToFrom(sqlQuery, false, true); | ||
|
|
||
| String expr = measure.generateExprString(sqlQuery); | ||
| sqlQuery.addSelect(expr, getMeasureAlias(i)); | ||
| } | ||
| protected boolean isAggregate() { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| // End DrillThroughQuerySpec.java | ||
| /* | ||
| // $Id$ | ||
| // This software is subject to the terms of the Common Public License | ||
| // Agreement, available at the following URL: | ||
| // http://www.opensource.org/licenses/cpl.html. | ||
| // Copyright (C) 2005-2005 Julian Hyde | ||
| // All Rights Reserved. | ||
| // You must accept the terms of that agreement to use this software. | ||
| */ | ||
|
|
||
| package mondrian.rolap.agg; | ||
|
|
||
| import mondrian.olap.Util; | ||
| import mondrian.olap.MondrianDef; | ||
| import mondrian.rolap.RolapStar; | ||
| import mondrian.rolap.sql.SqlQuery; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.HashSet; | ||
| import java.util.Set; | ||
|
|
||
| /** | ||
| * Provides the information necessary to generate SQL for a drill-through | ||
| * request. | ||
| * | ||
| * @author jhyde | ||
| * @author Richard M. Emberson | ||
| * @version $Id$ | ||
| */ | ||
| class DrillThroughQuerySpec extends AbstractQuerySpec { | ||
| private final CellRequest request; | ||
| private final String[] columnNames; | ||
|
|
||
| public DrillThroughQuerySpec(final CellRequest request) { | ||
| super(request.getMeasure().getStar()); | ||
| this.request = request; | ||
| this.columnNames = computeDistinctColumnNames(); | ||
| } | ||
|
|
||
| private String[] computeDistinctColumnNames() { | ||
| final List columnNames = new ArrayList(); | ||
| final Set columnNameSet = new HashSet(); | ||
|
|
||
| final RolapStar.Column[] columns = getColumns(); | ||
| for (int i = 0; i < columns.length; i++) { | ||
| RolapStar.Column column = columns[i]; | ||
| addColumnName(column, columnNames, columnNameSet); | ||
| } | ||
|
|
||
| addColumnName(request.getMeasure(), columnNames, columnNameSet); | ||
|
|
||
| return (String[]) columnNames.toArray(new String[columnNames.size()]); | ||
| } | ||
|
|
||
| private void addColumnName(final RolapStar.Column column, | ||
| final List columnNames, | ||
| final Set columnNameSet) { | ||
| String columnName = column.getName(); | ||
| if (columnName != null) { | ||
| // nothing | ||
| } else if (column.getExpression() instanceof MondrianDef.Column) { | ||
| columnName = ((MondrianDef.Column) column.getExpression()).name; | ||
| } else { | ||
| columnName = "c" + Integer.toString(columnNames.size()); | ||
| } | ||
| // Register the column name, and if it's not unique, | ||
| // generate names until it is. | ||
| // Instead of having mysterious column name like x0, x1 .. | ||
| // rename columns as ColumnName_0, ColumnName_1 .. | ||
| for (int j = 0; !columnNameSet.add(columnName); j++) { | ||
| columnName = columnName + "_" + Integer.toString(j); | ||
| } | ||
| columnNames.add(columnName); | ||
| } | ||
|
|
||
| public int getMeasureCount() { | ||
| return 1; | ||
| } | ||
|
|
||
| public RolapStar.Measure getMeasure(final int i) { | ||
| Util.assertTrue(i == 0); | ||
| return request.getMeasure(); | ||
| } | ||
|
|
||
| public String getMeasureAlias(final int i) { | ||
| Util.assertTrue(i == 0); | ||
| return columnNames[columnNames.length - 1]; | ||
| } | ||
|
|
||
| public RolapStar.Column[] getColumns() { | ||
| return request.getConstrainedColumns(); | ||
| } | ||
|
|
||
| public String getColumnAlias(final int i) { | ||
| return columnNames[i]; | ||
| } | ||
|
|
||
| public ColumnConstraint[] getConstraints(final int i) { | ||
| final ColumnConstraint constr = | ||
| (ColumnConstraint) request.getValueList().get(i); | ||
| return (constr == null) | ||
| ? null | ||
| : new ColumnConstraint[] {constr}; | ||
| } | ||
|
|
||
| public String generateSqlQuery() { | ||
| SqlQuery sqlQuery = newSqlQuery(); | ||
|
|
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| nonDistinctGenerateSQL(sqlQuery); | ||
|
|
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| return sqlQuery.toString(); | ||
| } | ||
| protected void addMeasure(final int i, final SqlQuery sqlQuery) { | ||
| RolapStar.Measure measure = getMeasure(i); | ||
|
|
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| Util.assertTrue(measure.getTable() == getStar().getFactTable()); | ||
| measure.getTable().addToFrom(sqlQuery, false, true); | ||
|
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| String expr = measure.generateExprString(sqlQuery); | ||
| sqlQuery.addSelect(expr, getMeasureAlias(i)); | ||
| } | ||
| protected boolean isAggregate() { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| // End DrillThroughQuerySpec.java |