Examples with SqlToyResult org.sagacity.sqltoy.config.model.SqlToyResult used on opensource projects

Example 51 with SqlToyResult

use of org.sagacity.sqltoy.config.model.SqlToyResult in project sagacity-sqltoy by chenrenfei.

the class DialectFactory method findPage.

/**
 * @todo 分页查询, pageNo为负一表示取全部记录
 * @param sqlToyContext
 * @param queryExecutor
 * @param pageNo
 * @param pageSize
 * @param dataSource
 * @return
 * @throws Exception
 */
public QueryResult findPage(final SqlToyContext sqlToyContext, final QueryExecutor queryExecutor, final long pageNo, final Integer pageSize, final DataSource dataSource) throws Exception {
    if (queryExecutor.getSql() == null)
        throw new Exception("findPage operate sql is null!");
    final SqlToyConfig sqlToyConfig = sqlToyContext.getSqlToyConfig(queryExecutor.getSql(), SqlType.search);
    try {
        SqlExecuteStat.start(sqlToyConfig.getId(), "findPage", sqlToyConfig.isShowSql());
        return (QueryResult) DataSourceUtils.processDataSource(sqlToyContext, ShardingUtils.getShardingDataSource(sqlToyContext, sqlToyConfig, queryExecutor, dataSource), new DataSourceCallbackHandler() {

            public void doConnection(Connection conn, Integer dbType, String dialect) throws Exception {
                // 处理sql中的?为统一的:named形式
                SqlToyConfig realSqlToyConfig = DialectUtils.getUnifyParamsNamedConfig(sqlToyContext, sqlToyConfig, queryExecutor, dialect, true);
                QueryResult queryResult = null;
                Long recordCnt = null;
                // 通过查询条件构造唯一的key
                String pageQueryKey = PageOptimizeUtils.generateOptimizeKey(sqlToyConfig, queryExecutor);
                // 需要进行分页查询优化
                if (null != pageQueryKey) {
                    // 从缓存中提取总记录数
                    recordCnt = PageOptimizeUtils.getPageTotalCount(sqlToyConfig, pageQueryKey);
                    // 缓存中没有则重新查询
                    if (null == recordCnt) {
                        recordCnt = getCountBySql(sqlToyContext, realSqlToyConfig, queryExecutor, conn, dbType, dialect);
                        // 将总记录数登记到缓存
                        PageOptimizeUtils.registPageTotalCount(sqlToyConfig, pageQueryKey, recordCnt);
                    }
                } else
                    recordCnt = getCountBySql(sqlToyContext, realSqlToyConfig, queryExecutor, conn, dbType, dialect);
                // pageNo=-1时的提取数据量限制
                int limitSize = sqlToyContext.getPageFetchSizeLimit();
                // pageNo=-1时,总记录数超出限制则返回空集合
                boolean illegal = (pageNo == -1 && (limitSize != -1 && recordCnt > limitSize));
                if (recordCnt == 0 || illegal) {
                    queryResult = new QueryResult();
                    queryResult.setPageNo(pageNo);
                    queryResult.setPageSize(pageSize);
                    queryResult.setRecordCount(new Long(0));
                    if (illegal)
                        logger.warn("非法进行分页查询,提取记录总数为:{},sql={}", recordCnt, sqlToyConfig.getSql());
                } else {
                    // 合法的全记录提取,设置页号为1按记录数
                    if (pageNo == -1) {
                        // 通过参数处理最终的sql和参数值
                        SqlToyResult queryParam = SqlConfigParseUtils.processSql(realSqlToyConfig.getSql(), queryExecutor.getParamsName(realSqlToyConfig), queryExecutor.getParamsValue(realSqlToyConfig));
                        queryResult = getDialectSqlWrapper(dbType).findBySql(sqlToyContext, realSqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), queryExecutor.getRowCallbackHandler(), conn, queryExecutor.getFetchSize(), queryExecutor.getMaxRows());
                        long totalRecord = (queryResult.getRows() == null) ? 0 : queryResult.getRows().size();
                        queryResult.setPageNo(1L);
                        queryResult.setPageSize(new Long(totalRecord).intValue());
                        queryResult.setRecordCount(totalRecord);
                    } else {
                        // 实际开始页(页数据超出总记录,则从第一页重新开始,相反如继续按指定的页查询则记录为空,且实际页号也不存在)
                        long realStartPage = (pageNo * pageSize >= (recordCnt + pageSize)) ? 1 : pageNo;
                        queryResult = getDialectSqlWrapper(dbType).findPageBySql(sqlToyContext, realSqlToyConfig, queryExecutor, realStartPage, pageSize, conn);
                        queryResult.setPageNo(realStartPage);
                        queryResult.setPageSize(pageSize);
                        queryResult.setRecordCount(recordCnt);
                    }
                    // 存在计算和旋转的数据不能映射到对象(数据类型不一致，如汇总平均以及数据旋转)
                    List pivotCategorySet = ResultUtils.getPivotCategory(sqlToyContext, realSqlToyConfig, queryExecutor, conn, dialect);
                    ResultUtils.calculate(realSqlToyConfig, queryResult, pivotCategorySet, sqlToyContext.isDebug());
                    // 结果映射成对象
                    if (queryExecutor.getResultType() != null) {
                        queryResult.setRows(ResultUtils.wrapQueryResult(queryResult.getRows(), ResultUtils.humpFieldNames(queryExecutor, queryResult.getLabelNames()), (Class) queryExecutor.getResultType()));
                    }
                }
                this.setResult(queryResult);
            }
        });
    } catch (Exception e) {
        SqlExecuteStat.error(e);
        throw e;
    } finally {
        SqlExecuteStat.destroy();
    }
}

Example 52 with SqlToyResult

use of org.sagacity.sqltoy.config.model.SqlToyResult in project sagacity-sqltoy by chenrenfei.

the class DialectFactory method updateFetchRandom.

@Deprecated
public QueryResult updateFetchRandom(final SqlToyContext sqlToyContext, final QueryExecutor queryExecutor, final Integer random, final UpdateRowHandler updateRowHandler, final DataSource dataSource) throws Exception {
    final SqlToyConfig sqlToyConfig = sqlToyContext.getSqlToyConfig(queryExecutor.getSql(), SqlType.search);
    try {
        SqlExecuteStat.start(sqlToyConfig.getId(), "updateFetchRandom", sqlToyConfig.isShowSql());
        return (QueryResult) DataSourceUtils.processDataSource(sqlToyContext, ShardingUtils.getShardingDataSource(sqlToyContext, sqlToyConfig, queryExecutor, dataSource), new DataSourceCallbackHandler() {

            public void doConnection(Connection conn, Integer dbType, String dialect) throws Exception {
                // 处理sql中的?为统一的:named形式
                SqlToyConfig realSqlToyConfig = DialectUtils.getUnifyParamsNamedConfig(sqlToyContext, sqlToyConfig, queryExecutor, dialect, false);
                SqlToyResult queryParam = SqlConfigParseUtils.processSql(realSqlToyConfig.getSql(), queryExecutor.getParamsName(realSqlToyConfig), queryExecutor.getParamsValue(realSqlToyConfig));
                QueryResult queryResult = getDialectSqlWrapper(dbType).updateFetchRandom(sqlToyContext, realSqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), random, updateRowHandler, conn);
                if (queryExecutor.getResultType() != null) {
                    queryResult.setRows(ResultUtils.wrapQueryResult(queryResult.getRows(), ResultUtils.humpFieldNames(queryExecutor, queryResult.getLabelNames()), (Class) queryExecutor.getResultType()));
                }
                this.setResult(queryResult);
            }
        });
    } catch (Exception e) {
        SqlExecuteStat.error(e);
        throw e;
    } finally {
        SqlExecuteStat.destroy();
    }
}

Example 53 with SqlToyResult

use of org.sagacity.sqltoy.config.model.SqlToyResult in project sagacity-sqltoy by chenrenfei.

the class DialectFactory method findByQuery.

/**
 * @todo 查询符合条件的数据集合
 * @param sqlToyContext
 * @param queryExecutor
 * @param dataSource
 * @return
 * @throws Exception
 */
public QueryResult findByQuery(final SqlToyContext sqlToyContext, final QueryExecutor queryExecutor, final DataSource dataSource) throws Exception {
    if (queryExecutor.getSql() == null)
        throw new Exception("findByQuery operate sql is null!");
    final SqlToyConfig sqlToyConfig = sqlToyContext.getSqlToyConfig(queryExecutor.getSql(), SqlType.search);
    try {
        SqlExecuteStat.start(sqlToyConfig.getId(), "query", sqlToyConfig.isShowSql());
        return (QueryResult) DataSourceUtils.processDataSource(sqlToyContext, ShardingUtils.getShardingDataSource(sqlToyContext, sqlToyConfig, queryExecutor, dataSource), new DataSourceCallbackHandler() {

            public void doConnection(Connection conn, Integer dbType, String dialect) throws Exception {
                // 处理sql中的?为统一的:named形式
                SqlToyConfig realSqlToyConfig = DialectUtils.getUnifyParamsNamedConfig(sqlToyContext, sqlToyConfig, queryExecutor, dialect, false);
                // 通过参数处理最终的sql和参数值
                SqlToyResult queryParam = SqlConfigParseUtils.processSql(realSqlToyConfig.getSql(), queryExecutor.getParamsName(realSqlToyConfig), queryExecutor.getParamsValue(realSqlToyConfig));
                QueryResult queryResult = getDialectSqlWrapper(dbType).findBySql(sqlToyContext, realSqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), queryExecutor.getRowCallbackHandler(), conn, queryExecutor.getFetchSize(), queryExecutor.getMaxRows());
                // 存在计算和旋转的数据不能映射到对象(数据类型不一致，如汇总平均以及数据旋转)
                List pivotCategorySet = ResultUtils.getPivotCategory(sqlToyContext, realSqlToyConfig, queryExecutor, conn, dialect);
                ResultUtils.calculate(realSqlToyConfig, queryResult, pivotCategorySet, sqlToyContext.isDebug());
                // 结果映射成对象
                if (queryExecutor.getResultType() != null) {
                    queryResult.setRows(ResultUtils.wrapQueryResult(queryResult.getRows(), ResultUtils.humpFieldNames(queryExecutor, queryResult.getLabelNames()), (Class) queryExecutor.getResultType()));
                }
                this.setResult(queryResult);
            }
        });
    } catch (Exception e) {
        SqlExecuteStat.error(e);
        throw e;
    } finally {
        SqlExecuteStat.destroy();
    }
}

Example 54 with SqlToyResult

use of org.sagacity.sqltoy.config.model.SqlToyResult in project sagacity-sqltoy by chenrenfei.

the class DialectFactory method updateFetch.

/**
 * @todo 查询锁定记录,并进行修改
 * @param sqlToyContext
 * @param queryExecutor
 * @param updateRowHandler
 * @param dataSource
 * @return
 * @throws Exception
 */
public QueryResult updateFetch(final SqlToyContext sqlToyContext, final QueryExecutor queryExecutor, final UpdateRowHandler updateRowHandler, final DataSource dataSource) throws Exception {
    final SqlToyConfig sqlToyConfig = sqlToyContext.getSqlToyConfig(queryExecutor.getSql(), SqlType.search);
    try {
        SqlExecuteStat.start(sqlToyConfig.getId(), "updateFetch", sqlToyConfig.isShowSql());
        return (QueryResult) DataSourceUtils.processDataSource(sqlToyContext, ShardingUtils.getShardingDataSource(sqlToyContext, sqlToyConfig, queryExecutor, dataSource), new DataSourceCallbackHandler() {

            public void doConnection(Connection conn, Integer dbType, String dialect) throws Exception {
                // 处理sql中的?为统一的:named形式
                SqlToyConfig realSqlToyConfig = DialectUtils.getUnifyParamsNamedConfig(sqlToyContext, sqlToyConfig, queryExecutor, dialect, false);
                SqlToyResult queryParam = SqlConfigParseUtils.processSql(realSqlToyConfig.getSql(), queryExecutor.getParamsName(realSqlToyConfig), queryExecutor.getParamsValue(realSqlToyConfig));
                QueryResult queryResult = getDialectSqlWrapper(dbType).updateFetch(sqlToyContext, realSqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), updateRowHandler, conn);
                if (queryExecutor.getResultType() != null) {
                    queryResult.setRows(ResultUtils.wrapQueryResult(queryResult.getRows(), ResultUtils.humpFieldNames(queryExecutor, queryResult.getLabelNames()), (Class) queryExecutor.getResultType()));
                }
                this.setResult(queryResult);
            }
        });
    } catch (Exception e) {
        SqlExecuteStat.error(e);
        throw e;
    } finally {
        SqlExecuteStat.destroy();
    }
}

Example 55 with SqlToyResult

use of org.sagacity.sqltoy.config.model.SqlToyResult in project sagacity-sqltoy by chenrenfei.

the class OracleDialectUtils method getRandomResult.

/**
 * @todo 取随机记录
 * @param sqlToyContext
 * @param sqlToyConfig
 * @param queryExecutor
 * @param totalCount
 * @param randomCount
 * @param conn
 * @return
 * @throws Exception
 */
public static QueryResult getRandomResult(SqlToyContext sqlToyContext, SqlToyConfig sqlToyConfig, QueryExecutor queryExecutor, Long totalCount, Long randomCount, Connection conn) throws Exception {
    // 注：dbms_random包需要手工安装，位于$ORACLE_HOME/rdbms/admin/dbmsrand.sql
    String innerSql = sqlToyConfig.isHasFast() ? sqlToyConfig.getFastSql() : sqlToyConfig.getSql();
    // sql中是否存在排序或union
    boolean hasOrderOrUnion = DialectUtils.hasOrderByOrUnion(innerSql);
    StringBuilder sql = new StringBuilder();
    if (sqlToyConfig.isHasFast())
        sql.append(sqlToyConfig.getFastPreSql()).append(" (");
    // 存在order 或union 则在sql外包裹一层
    if (hasOrderOrUnion) {
        sql.append("select * from (");
        sql.append(" select sag_random_table.* from ( ");
        sql.append(innerSql);
        sql.append(") sag_random_table ");
        sql.append(" order by dbms_random.random )");
    } else {
        sql.append("select sag_random_table.* from ( ");
        sql.append(innerSql);
        sql.append(" order by dbms_random.random) sag_random_table ");
    }
    sql.append(" where rownum<=");
    sql.append(randomCount);
    if (sqlToyConfig.isHasFast())
        sql.append(") ").append(sqlToyConfig.getFastTailSql());
    SqlToyResult queryParam = DialectUtils.wrapPageSqlParams(sqlToyContext, sqlToyConfig, queryExecutor, sql.toString(), null, null);
    return DialectUtils.findBySql(sqlToyContext, sqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), queryExecutor.getRowCallbackHandler(), conn, 0, queryExecutor.getFetchSize(), queryExecutor.getMaxRows());
}