Package mondrian.rolap.sql

Examples of mondrian.rolap.sql.SqlQuery

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         *
         * @param pw Print writer
         * @param prefix Prefix to print first, such as spaces for indentation
         */
        public void print(PrintWriter pw, String prefix) {
            SqlQuery sqlQuery = getSqlQuery();
            pw.print(prefix);
            pw.print(getName());
            pw.print(" (");
            pw.print(getBitPosition());
            pw.print("): ");
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         *
         * @param dialect Dialect
         * @return String representation of column's datatype
         */
        public String getDatatypeString(Dialect dialect) {
            final SqlQuery query = new SqlQuery(dialect);
            query.addFrom(
                table.star.factTable.relation, table.star.factTable.alias,
                false);
            query.addFrom(table.relation, table.alias, false);
            query.addSelect(expression.getExpression(query));
            final String sql = query.toString();
            Connection jdbcConnection = null;
            try {
                jdbcConnection = table.star.dataSource.getConnection();
                final PreparedStatement pstmt =
                    jdbcConnection.prepareStatement(sql);
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            h = Util.hash(h, aggregator);
            return h;
        }

        public void print(PrintWriter pw, String prefix) {
            SqlQuery sqlQuery = getSqlQuery();
            pw.print(prefix);
            pw.print(getName());
            pw.print(" (");
            pw.print(getBitPosition());
            pw.print("): ");
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        /**
         * Prints this table and its children.
         */
        public void print(PrintWriter pw, String prefix) {
            SqlQuery sqlQueuy = table.getSqlQuery();
            pw.print(prefix);
            pw.println("Condition:");
            String subprefix = prefix + "  ";

            pw.print(subprefix);
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        // generate the WHERE condition
        // Need to generate where condition here to determine whether
        // or not the filter condition can be created. The filter
        // condition could change to use an aggregate table later in evaulation
        SqlQuery sqlQuery = SqlQuery.newQuery(ds, "NativeFilter");
        RolapNativeSql sql = new RolapNativeSql(sqlQuery, null);
        final Exp filterExpr = args[1];
        String filterExprStr = sql.generateFilterCondition(filterExpr);
        if (filterExprStr == null) {
            return null;
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    /**
     * Clones an existing SqlQuery to create a new one (this cloning creates one
     * with an empty sql query).
     */
    public SqlQuery getSqlQuery() {
        return new SqlQuery(getSqlQueryDialect());
    }
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     */
    public String generateSql(
        List<Column> columnList,
        List<String> columnNameList)
    {
        final SqlQuery query = new SqlQuery(sqlQueryDialect, true);
        query.addFrom(
            factTable.relation,
            factTable.relation.getAlias(),
            false);
        int k = -1;
        for (Column column : columnList) {
            ++k;
            column.table.addToFrom(query,  false, true);
            String columnExpr = column.generateExprString(query);
            if (column instanceof Measure) {
                Measure measure = (Measure) column;
                columnExpr = measure.getAggregator().getExpression(columnExpr);
            }
            final String columnName = columnNameList.get(k);
            String alias = query.addSelect(columnExpr, columnName);
            if (!(column instanceof Measure)) {
                query.addGroupBy(columnExpr, alias);
            }
        }
        // remove whitespace from query - in particular, the trailing newline
        return query.toString().trim();
    }
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        // generate the ORDER BY Clause
        // Need to generate top count order by to determine whether
        // or not it can be created. The top count
        // could change to use an aggregate table later in evaulation
        SqlQuery sqlQuery = SqlQuery.newQuery(ds, "NativeTopCount");
        RolapNativeSql sql = new RolapNativeSql(sqlQuery, null);
        Exp orderByExpr = null;
        if (args.length == 3) {
            orderByExpr = args[2];
            String orderBySQL = sql.generateTopCountOrderBy(args[2]);
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    public String insertIntoLost() {
        StringWriter sw = new StringWriter(512);
        PrintWriter pw = new PrintWriter(sw);
        String prefix = "    ";
        String factTableName = getFactTableName();
        SqlQuery sqlQuery = getSqlQuery();

        pw.print("INSERT INTO ");
        pw.print(makeLostAggregateTableName(getFactTableName()));
        pw.println(" (");

        for (JdbcSchema.Table.Column.Usage usage : notLostColumnUsages) {
            JdbcSchema.Table.Column c = usage.getColumn();

            pw.print(prefix);
            pw.print(c.getName());
            pw.println(',');
        }

        for (JdbcSchema.Table.Column.Usage usage : measures) {
            JdbcSchema.Table.Column c = usage.getColumn();

            pw.print(prefix);
            String name = getUsageName(usage);
            pw.print(name);
            pw.println(',');
        }
        // do fact_count
        pw.print(prefix);
        pw.print(getFactCount());
        pw.println(")");

        pw.println("SELECT");
        for (JdbcSchema.Table.Column.Usage usage : notLostColumnUsages) {
            JdbcSchema.Table.Column c = usage.getColumn();

            pw.print(prefix);
            pw.print(
                sqlQuery.getDialect().quoteIdentifier(
                    factTableName,
                    c.getName()));
            pw.print(" AS ");
            pw.print(sqlQuery.getDialect().quoteIdentifier(c.getName()));
            pw.println(',');
        }
        for (JdbcSchema.Table.Column.Usage usage : measures) {
            JdbcSchema.Table.Column c = usage.getColumn();
            RolapAggregator agg = usage.getAggregator();

            pw.print(prefix);
            pw.print(
                agg.getExpression(sqlQuery.getDialect().quoteIdentifier(
                    factTableName, c.getName())));
            pw.print(" AS ");
            pw.print(sqlQuery.getDialect().quoteIdentifier(c.getName()));
            pw.println(',');
        }

        // do fact_count
        pw.print(prefix);
        pw.print("COUNT(*) AS ");
        pw.println(sqlQuery.getDialect().quoteIdentifier(getFactCount()));

        pw.println("FROM ");
        pw.print(prefix);
        pw.print(sqlQuery.getDialect().quoteIdentifier(factTableName));
        pw.print(" ");
        pw.println(sqlQuery.getDialect().quoteIdentifier(factTableName));

        pw.println("GROUP BY ");
        int k = 0;
        for (JdbcSchema.Table.Column.Usage notLostColumnUsage
            : notLostColumnUsages)
        {
            if (k++ > 0) {
                pw.println(",");
            }
            JdbcSchema.Table.Column.Usage usage = notLostColumnUsage;
            JdbcSchema.Table.Column c = usage.getColumn();

            pw.print(prefix);
            pw.print(
                sqlQuery.getDialect().quoteIdentifier(
                    factTableName,
                    c.getName()));
        }

        pw.println(';');
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    public String insertIntoCollapsed() {
        StringWriter sw = new StringWriter(512);
        PrintWriter pw = new PrintWriter(sw);
        String prefix = "    ";
        String factTableName = getFactTableName();
        SqlQuery sqlQuery = getSqlQuery();

        pw.print("INSERT INTO ");
        pw.print(makeCollapsedAggregateTableName(getFactTableName()));
        pw.println(" (");


        for (List<JdbcSchema.Table.Column.Usage> list
            : collapsedColumnUsages.values())
        {
            for (JdbcSchema.Table.Column.Usage usage : list) {
                JdbcSchema.Table.Column c = usage.getColumn();
                pw.print(prefix);
                if (usage.usagePrefix != null) {
                    pw.print(usage.usagePrefix);
                }
                pw.print(c.getName());
                pw.println(',');
            }
        }

        for (JdbcSchema.Table.Column.Usage usage : measures) {
            JdbcSchema.Table.Column c = usage.getColumn();

            pw.print(prefix);
            String name = getUsageName(usage);
            pw.print(name);
            //pw.print(c.getName());
            pw.println(',');
        }
        // do fact_count
        pw.print(prefix);
        pw.print(getFactCount());
        pw.println(")");

        pw.println("SELECT");
        for (List<JdbcSchema.Table.Column.Usage> list
            : collapsedColumnUsages.values())
        {
            for (JdbcSchema.Table.Column.Usage usage : list) {
                JdbcSchema.Table.Column c = usage.getColumn();
                JdbcSchema.Table t = c.getTable();

                pw.print(prefix);
                pw.print(
                    sqlQuery.getDialect().quoteIdentifier(
                        t.getName(),
                        c.getName()));
                pw.print(" AS ");
                String n = (usage.usagePrefix == null)
                    ? c.getName() : usage.usagePrefix + c.getName();
                pw.print(sqlQuery.getDialect().quoteIdentifier(n));
                pw.println(',');
            }
        }
        for (JdbcSchema.Table.Column.Usage usage : measures) {
            JdbcSchema.Table.Column c = usage.getColumn();
            JdbcSchema.Table t = c.getTable();
            RolapAggregator agg = usage.getAggregator();

            pw.print(prefix);
            pw.print(
                agg.getExpression(sqlQuery.getDialect().quoteIdentifier(
                    t.getName(), c.getName())));
            pw.print(" AS ");
            pw.print(sqlQuery.getDialect().quoteIdentifier(c.getName()));
            pw.println(',');
        }

        // do fact_count
        pw.print(prefix);
        pw.print("COUNT(*) AS ");
        pw.println(sqlQuery.getDialect().quoteIdentifier(getFactCount()));

        pw.println("FROM ");
        pw.print(prefix);
        pw.print(sqlQuery.getDialect().quoteIdentifier(factTableName));
        pw.print(" ");
        pw.print(sqlQuery.getDialect().quoteIdentifier(factTableName));
        pw.println(',');

        // add dimension tables
        int k = 0;
        for (RolapStar.Table rt : collapsedColumnUsages.keySet()) {
            if (k++ > 0) {
                pw.println(',');
            }
            pw.print(prefix);
            pw.print(sqlQuery.getDialect().quoteIdentifier(rt.getAlias()));
            pw.print(" AS ");
            pw.print(sqlQuery.getDialect().quoteIdentifier(rt.getAlias()));

            // walk up tables
            if (rt.getParentTable() != null) {
                while (rt.getParentTable().getParentTable() != null) {
                    rt = rt.getParentTable();

                    pw.println(',');

                    pw.print(prefix);
                    pw.print(
                        sqlQuery.getDialect().quoteIdentifier(rt.getAlias()));
                    pw.print(" AS ");
                    pw.print(
                        sqlQuery.getDialect().quoteIdentifier(rt.getAlias()));
                }
            }
        }

        pw.println();
        pw.println("WHERE ");
        k = 0;
        for (RolapStar.Table rt : collapsedColumnUsages.keySet()) {
            if (k++ > 0) {
                pw.println(" and");
            }

            RolapStar.Condition cond = rt.getJoinCondition();
            if (cond == null) {
                continue;
            }
            pw.print(prefix);
            pw.print(cond.toString(sqlQuery));

            if (rt.getParentTable() != null) {
                while (rt.getParentTable().getParentTable() != null) {
                    rt = rt.getParentTable();
                    cond = rt.getJoinCondition();

                    pw.println(" and");

                    pw.print(prefix);
                    pw.print(cond.toString(sqlQuery));
                }
            }
        }

        pw.println();
        pw.println("GROUP BY ");
        k = 0;
        for (List<JdbcSchema.Table.Column.Usage> list
            : collapsedColumnUsages.values())
        {
            for (JdbcSchema.Table.Column.Usage usage : list) {
                if (k++ > 0) {
                    pw.println(",");
                }
                JdbcSchema.Table.Column c = usage.getColumn();
                JdbcSchema.Table t = c.getTable();

                String n = (usage.usagePrefix == null)
                    ? c.getName() : usage.usagePrefix + c.getName();
                pw.print(prefix);
                pw.print(sqlQuery.getDialect().quoteIdentifier(t.getName(), n));
            }
        }
        pw.println(';');

        return sw.toString();
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Related Classes of mondrian.rolap.sql.SqlQuery

  • mondrian.rolap.agg.AbstractQuerySpec
  • mondrian.rolap.agg.AggQuerySpec
  • mondrian.rolap.agg.AggregationKey
  • mondrian.rolap.agg.DrillThroughQuerySpec
  • mondrian.rolap.agg.SegmentBuilder
  • mondrian.rolap.aggmatcher.AggGen
  • mondrian.rolap.aggmatcher.AggStar$FactTable
  • mondrian.rolap.aggmatcher.AggStar$FactTable$Measure
  • mondrian.rolap.aggmatcher.AggStar$Table$Column
  • mondrian.rolap.aggmatcher.AggStar$Table$JoinCondition
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