use of org.sagacity.sqltoy.config.model.SqlToyConfig in project sagacity-sqltoy by chenrenfei.
the class DialectFactory method findTop.
/**
* @todo 取符合条件的前多少条记录
* @param sqlToyContext
* @param queryExecutor
* @param sqlToyConfig
* @param topSize
* @param dataSource
* @return
*/
public QueryResult findTop(final SqlToyContext sqlToyContext, final QueryExecutor queryExecutor, final SqlToyConfig sqlToyConfig, final double topSize, final DataSource dataSource) {
final QueryExecutorExtend extend = queryExecutor.getInnerModel();
// 合法校验
if (StringUtil.isBlank(extend.sql)) {
throw new IllegalArgumentException("findTop operate sql is null!");
}
try {
Long startTime = System.currentTimeMillis();
// 规整查询参数名称和参数名称对应的值
QueryExecutorBuilder.initQueryExecutor(sqlToyContext, extend, sqlToyConfig, (topSize < 1) ? true : false);
SqlExecuteStat.start(sqlToyConfig.getId(), "findTop", sqlToyConfig.isShowSql());
QueryResult result = (QueryResult) DataSourceUtils.processDataSource(sqlToyContext, ShardingUtils.getShardingDataSource(sqlToyContext, sqlToyConfig, queryExecutor, dataSource), new DataSourceCallbackHandler() {
@Override
public void doConnection(Connection conn, Integer dbType, String dialect) throws Exception {
// 处理sql中的?为统一的:named形式,并进行sharding table替换
SqlToyConfig realSqlToyConfig = DialectUtils.getUnifyParamsNamedConfig(sqlToyContext, sqlToyConfig, queryExecutor, dialect, (topSize < 1) ? true : false);
Integer realTopSize;
// 小于1表示按比例提取
if (topSize < 1) {
Long totalCount = getCountBySql(sqlToyContext, realSqlToyConfig, queryExecutor, conn, dbType, dialect);
realTopSize = Double.valueOf(topSize * totalCount.longValue()).intValue();
SqlExecuteStat.debug("过程提示", "按比例提取,总记录数:{}条,按比例top记录要取:{} 条!", totalCount, realTopSize);
} else {
realTopSize = Double.valueOf(topSize).intValue();
}
if (realTopSize == 0) {
this.setResult(new QueryResult());
SqlExecuteStat.debug("查询结果", "实际取得top记录数:0 条!");
return;
}
// 调用数据库方言查询结果
QueryResult queryResult = getDialectSqlWrapper(dbType).findTopBySql(sqlToyContext, realSqlToyConfig, queryExecutor, wrapDecryptHandler(sqlToyContext, extend.resultType), realTopSize, conn, dbType, dialect, getFetchSize(extend.fetchSize), extend.maxRows);
if (queryResult.getRows() != null && !queryResult.getRows().isEmpty()) {
// 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, dbType, dialect);
// 对查询结果进行计算处理:字段脱敏、格式化、数据旋转、同步环比、分组汇总等
boolean changedCols = ResultUtils.calculate(sqlToyContext.getDesensitizeProvider(), realSqlToyConfig, queryResult, pivotCategorySet, extend);
// 将结果映射对象单独出来为了解耦,性能影响其实可以忽略,上万条也是1毫秒级
if (extend.resultType != null) {
queryResult.setRows(ResultUtils.wrapQueryResult(sqlToyContext, queryResult.getRows(), queryResult.getLabelNames(), (Class) extend.resultType, changedCols, extend.humpMapLabel, extend.hiberarchy, extend.hiberarchyClasses, extend.fieldsMap));
}
}
SqlExecuteStat.debug("查询结果", "实际取得top记录数: {}条!", queryResult.getRecordCount());
this.setResult(queryResult);
}
});
result.setExecuteTime(System.currentTimeMillis() - startTime);
return result;
} catch (Exception e) {
SqlExecuteStat.error(e);
throw new DataAccessException(e);
} finally {
SqlExecuteStat.destroy();
}
}
use of org.sagacity.sqltoy.config.model.SqlToyConfig 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 sqlToyConfig
* @param pageNo
* @param pageSize
* @param dataSource
* @return
*/
public QueryResult findPage(final SqlToyContext sqlToyContext, final QueryExecutor queryExecutor, final SqlToyConfig sqlToyConfig, final long pageNo, final Integer pageSize, final DataSource dataSource) {
final QueryExecutorExtend extend = queryExecutor.getInnerModel();
if (StringUtil.isBlank(extend.sql)) {
throw new IllegalArgumentException("findPage operate sql is null!");
}
try {
Long startTime = System.currentTimeMillis();
// 规整查询参数名称和参数名称对应的值
QueryExecutorBuilder.initQueryExecutor(sqlToyContext, extend, sqlToyConfig, true);
SqlExecuteStat.start(sqlToyConfig.getId(), "findPage", sqlToyConfig.isShowSql());
QueryResult result = (QueryResult) DataSourceUtils.processDataSource(sqlToyContext, ShardingUtils.getShardingDataSource(sqlToyContext, sqlToyConfig, queryExecutor, dataSource), new DataSourceCallbackHandler() {
@Override
public void doConnection(Connection conn, Integer dbType, String dialect) throws Exception {
// 处理sql中的?为统一的:named形式,并进行sharding table替换
SqlToyConfig realSqlToyConfig = DialectUtils.getUnifyParamsNamedConfig(sqlToyContext, sqlToyConfig, queryExecutor, dialect, true);
QueryResult queryResult = null;
PageOptimize pageOptimize = extend.pageOptimize;
if (pageOptimize == null) {
pageOptimize = realSqlToyConfig.getPageOptimize();
}
Long recordCnt = null;
// 通过查询条件构造唯一的key
String pageQueryKey = PageOptimizeUtils.generateOptimizeKey(sqlToyContext, sqlToyConfig, queryExecutor, pageOptimize);
// 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(realSqlToyConfig, pageOptimize, pageQueryKey);
if (recordCnt != null) {
SqlExecuteStat.debug("过程提示", "分页优化条件命中,从缓存中获得总记录数:{}!!", recordCnt);
}
}
// 并行且缓存中无总记录数量,执行并行处理
if (pageOptimize != null && pageOptimize.isParallel() && pageNo != -1 && recordCnt == null) {
queryResult = parallelPage(sqlToyContext, queryExecutor, realSqlToyConfig, extend, pageNo, pageSize, pageOptimize, conn, dbType, dialect);
recordCnt = queryResult.getRecordCount();
// 将并行后得到的总记录数登记到缓存
if (null != pageQueryKey) {
PageOptimizeUtils.registPageTotalCount(realSqlToyConfig, pageOptimize, pageQueryKey, recordCnt);
}
} else {
// 非并行且分页缓存未命中,执行count查询
if (recordCnt == null) {
recordCnt = getCountBySql(sqlToyContext, realSqlToyConfig, queryExecutor, conn, dbType, dialect);
}
// 将总记录数登记到缓存
if (null != pageQueryKey) {
PageOptimizeUtils.registPageTotalCount(realSqlToyConfig, pageOptimize, pageQueryKey, recordCnt);
}
// 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();
if (recordCnt == 0 && sqlToyContext.isPageOverToFirst()) {
queryResult.setPageNo(1L);
} else {
queryResult.setPageNo(pageNo);
}
queryResult.setPageSize(pageSize);
queryResult.setRecordCount(0L);
if (illegal) {
logger.warn("非法分页查询,提取记录总数为:{}>{}上限(可设置sqlToyContext中的pageFetchSizeLimit进行调整),sql={}", recordCnt, limitSize, sqlToyConfig.getIdOrSql());
} else {
SqlExecuteStat.debug("过程提示", "提取count数为:0,sql={}", sqlToyConfig.getIdOrSql());
}
} 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(dialect), extend.getParamsName(realSqlToyConfig), extend.getParamsValue(sqlToyContext, realSqlToyConfig), dialect);
queryResult = getDialectSqlWrapper(dbType).findBySql(sqlToyContext, realSqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), extend.rowCallbackHandler, wrapDecryptHandler(sqlToyContext, extend.resultType), conn, null, dbType, dialect, getFetchSize(extend.fetchSize), extend.maxRows);
long totalRecord = (queryResult.getRows() == null) ? 0 : queryResult.getRows().size();
queryResult.setPageNo(1L);
queryResult.setPageSize(Long.valueOf(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)
boolean isOverPage = (pageNo * pageSize >= (recordCnt + pageSize));
// 允许页号超出总页数,结果返回空集合
if (isOverPage && !sqlToyContext.isPageOverToFirst()) {
queryResult = new QueryResult();
queryResult.setPageNo(pageNo);
} else {
long realStartPage = isOverPage ? 1 : pageNo;
queryResult = getDialectSqlWrapper(dbType).findPageBySql(sqlToyContext, realSqlToyConfig, queryExecutor, wrapDecryptHandler(sqlToyContext, extend.resultType), realStartPage, pageSize, conn, dbType, dialect, getFetchSize(extend.fetchSize), extend.maxRows);
queryResult.setPageNo(realStartPage);
}
queryResult.setPageSize(pageSize);
queryResult.setRecordCount(recordCnt);
}
}
}
if (queryResult.getRows() != null && !queryResult.getRows().isEmpty()) {
// 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, dbType, dialect);
// 对查询结果进行计算处理:字段脱敏、格式化、数据旋转、同步环比、分组汇总等
boolean changedCols = ResultUtils.calculate(sqlToyContext.getDesensitizeProvider(), realSqlToyConfig, queryResult, pivotCategorySet, extend);
// 将结果映射对象单独出来为了解耦,性能影响其实可以忽略,上万条也是1毫秒级
if (extend.resultType != null) {
queryResult.setRows(ResultUtils.wrapQueryResult(sqlToyContext, queryResult.getRows(), queryResult.getLabelNames(), (Class) extend.resultType, changedCols, extend.humpMapLabel, extend.hiberarchy, extend.hiberarchyClasses, extend.fieldsMap));
}
}
SqlExecuteStat.debug("查询结果", "分页总记录数:{}条,取得本页记录数:{}条!", ((QueryResult) queryResult).getRecordCount(), ((QueryResult) queryResult).getRows().size());
this.setResult(queryResult);
}
});
result.setExecuteTime(System.currentTimeMillis() - startTime);
return result;
} catch (Exception e) {
SqlExecuteStat.error(e);
throw new DataAccessException(e);
} finally {
SqlExecuteStat.destroy();
}
}
use of org.sagacity.sqltoy.config.model.SqlToyConfig in project sagacity-sqltoy by chenrenfei.
the class SqlConfigParseUtils method parseSqlToyConfig.
/**
* @todo 将动态的sql解析组合成一个SqlToyConfig模型,以便统一处理
* @param querySql
* @param dialect 当前的数据库类型,默认为null不指定
* @param sqlType
* @return
*/
public static SqlToyConfig parseSqlToyConfig(String querySql, String dialect, SqlType sqlType) {
SqlToyConfig sqlToyConfig = new SqlToyConfig(dialect);
// debug模式下面关闭sql打印
sqlToyConfig.setShowSql(!StringUtil.matches(querySql, SqlToyConstants.NOT_PRINT_REGEX));
// 是否忽视空记录
sqlToyConfig.setIgnoreEmpty(StringUtil.matches(querySql, SqlToyConstants.IGNORE_EMPTY_REGEX));
// 清理sql中的一些注释、以及特殊的符号
String originalSql = SqlUtil.clearMistyChars(SqlUtil.clearMark(querySql), BLANK).concat(BLANK);
// 对sql中的函数进行特定数据库方言转换
originalSql = FunctionUtils.getDialectSql(originalSql, dialect);
// 对关键词根据数据库类型进行转换,比如mysql的 ``变成mssql时变为[]
originalSql = ReservedWordsUtil.convertSql(originalSql, DataSourceUtils.getDBType(dialect));
// 判定是否有with查询模式
sqlToyConfig.setHasWith(hasWith(originalSql));
// 判定是否有union语句(先验证有union 然后再精确判断union 是否有效,在括号内的局部union 不起作用)
if (StringUtil.matches(originalSql, SqlUtil.UNION_PATTERN)) {
sqlToyConfig.setHasUnion(SqlUtil.hasUnion(originalSql, false));
}
// 只有在查询模式前提下才支持fastPage机制
if (SqlType.search.equals(sqlType)) {
// 判断是否有快速分页@fast 宏
Matcher matcher = FAST_PATTERN.matcher(originalSql);
if (matcher.find()) {
int start = matcher.start();
String preSql = originalSql.substring(0, start);
String matchedFastSql = matcher.group();
int endMarkIndex = StringUtil.getSymMarkIndex("(", ")", matchedFastSql, 0);
// 得到分页宏处理器中的sql
String fastSql = matchedFastSql.substring(matchedFastSql.indexOf("(") + 1, endMarkIndex);
String tailSql = originalSql.substring(start + endMarkIndex + 1);
// sql剔除掉快速分页宏,在分页查询时再根据presql和tailsql、fastsql自行组装,从而保障正常的非分页查询直接提取sql
if (preSql.trim().endsWith("(") && tailSql.trim().startsWith(")")) {
sqlToyConfig.setSql(preSql.concat(fastSql).concat(tailSql));
sqlToyConfig.setIgnoreBracket(true);
} else {
sqlToyConfig.setSql(preSql.concat(" (").concat(fastSql).concat(") ").concat(tailSql));
}
sqlToyConfig.setFastSql(fastSql);
sqlToyConfig.setFastPreSql(preSql);
sqlToyConfig.setFastTailSql(tailSql);
// 判断是否有快速分页
sqlToyConfig.setHasFast(true);
} else {
sqlToyConfig.setSql(originalSql);
}
} else {
sqlToyConfig.setSql(originalSql);
}
// 提取with fast查询语句
processFastWith(sqlToyConfig, dialect);
// 提取sql中的参数名称
sqlToyConfig.setParamsName(getSqlParamsName(sqlToyConfig.getSql(dialect), true));
return sqlToyConfig;
}
use of org.sagacity.sqltoy.config.model.SqlToyConfig in project sagacity-sqltoy by chenrenfei.
the class SqlXMLConfigParse method parseSingleFile.
/**
* @todo <b>解析单个sql对应的xml文件</b>
* @param xmlFile
* @param filesLastModifyMap
* @param cache
* @param encoding
* @param dialect
* @param isReload
* @param index
* @return
* @throws Exception
*/
public static List<String> parseSingleFile(Object xmlFile, ConcurrentHashMap<String, Long> filesLastModifyMap, ConcurrentHashMap<String, SqlToyConfig> cache, String encoding, String dialect, boolean isReload, int index) throws Exception {
InputStream fileIS = null;
List<String> repeatSql = new ArrayList<String>();
try {
boolean isDebug = logger.isDebugEnabled();
String sqlFile;
if (xmlFile instanceof File) {
File file = (File) xmlFile;
sqlFile = file.getName();
filesLastModifyMap.put(sqlFile, Long.valueOf(file.lastModified()));
fileIS = new FileInputStream(file);
} else {
sqlFile = (String) xmlFile;
fileIS = getResourceAsStream(sqlFile);
}
String logStr = "正在解析".concat((index != -1) ? "第:[" + index + "]个" : "").concat("sql文件:").concat(sqlFile);
if (isDebug) {
logger.debug(logStr);
} else {
out.println(logStr);
}
if (fileIS != null) {
domFactory.setFeature(SqlToyConstants.XML_FETURE, false);
DocumentBuilder domBuilder = domFactory.newDocumentBuilder();
Document doc = domBuilder.parse(fileIS);
NodeList sqlElts = doc.getDocumentElement().getChildNodes();
if (sqlElts == null || sqlElts.getLength() == 0) {
return repeatSql;
}
// 解析单个sql
SqlToyConfig sqlToyConfig;
Element sqlElt;
Node obj;
for (int i = 0; i < sqlElts.getLength(); i++) {
obj = sqlElts.item(i);
if (obj.getNodeType() == Node.ELEMENT_NODE) {
sqlElt = (Element) obj;
sqlToyConfig = parseSingleSql(sqlElt, dialect);
if (sqlToyConfig != null) {
// 去除sql中的注释语句并放入缓存
if (cache.containsKey(sqlToyConfig.getId())) {
repeatSql.add(StringUtil.fillArgs("sql文件:{} 中发现重复的SQL语句id={} 已经被覆盖!", sqlFile, sqlToyConfig.getId()));
// 移除分页优化缓存
if (isReload) {
PageOptimizeUtils.remove(sqlToyConfig.getId());
}
}
cache.put(sqlToyConfig.getId(), sqlToyConfig);
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
logger.error("解析xml中对应的sql失败,对应文件={},正确的配置为<sql|mql|eql id=\"\"><![CDATA[]]></sql|mql|eql>或<sql|mql|eql id=\"\"><desc></desc><value><![CDATA[]]></value></sql|mql|eql>", xmlFile, e);
throw e;
} finally {
if (fileIS != null) {
fileIS.close();
}
}
return repeatSql;
}
use of org.sagacity.sqltoy.config.model.SqlToyConfig in project sagacity-sqltoy by chenrenfei.
the class DefaultDialect method load.
@Override
public Serializable load(SqlToyContext sqlToyContext, Serializable entity, List<Class> cascadeTypes, LockMode lockMode, Connection conn, Integer dbType, String dialect, String tableName) throws Exception {
EntityMeta entityMeta = sqlToyContext.getEntityMeta(entity.getClass());
// 获取loadsql(loadsql 可以通过@loadSql进行改变,所以需要sqltoyContext重新获取)
SqlToyConfig sqlToyConfig = sqlToyContext.getSqlToyConfig(entityMeta.getLoadSql(tableName), SqlType.search, dialect);
String loadSql = sqlToyConfig.getSql(dialect);
loadSql = loadSql.concat(getLockSql(loadSql, dbType, lockMode));
return (Serializable) DialectUtils.load(sqlToyContext, sqlToyConfig, loadSql, entityMeta, entity, cascadeTypes, conn, dbType);
}
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