use of org.sagacity.sqltoy.model.inner.QueryExecutorExtend in project sagacity-sqltoy by chenrenfei.
the class DefaultDialectUtils method findPageBySql.
/**
* @todo 分页查询
* @param sqlToyContext
* @param sqlToyConfig
* @param queryExecutor
* @param pageNo
* @param pageSize
* @param conn
* @param dbType
* @param dialect
* @param fetchSize
* @param maxRows
* @return
* @throws Exception
*/
public static QueryResult findPageBySql(SqlToyContext sqlToyContext, SqlToyConfig sqlToyConfig, QueryExecutor queryExecutor, final DecryptHandler decryptHandler, Long pageNo, Integer pageSize, Connection conn, final Integer dbType, final String dialect, final int fetchSize, final int maxRows) throws Exception {
StringBuilder sql = new StringBuilder();
boolean isNamed = sqlToyConfig.isNamedParam();
if (sqlToyConfig.isHasFast()) {
sql.append(sqlToyConfig.getFastPreSql(dialect));
if (!sqlToyConfig.isIgnoreBracket()) {
sql.append(" (");
}
sql.append(sqlToyConfig.getFastSql(dialect));
} else {
sql.append(sqlToyConfig.getSql(dialect));
}
sql.append(" limit ");
sql.append(isNamed ? ":" + SqlToyConstants.PAGE_FIRST_PARAM_NAME : "?");
sql.append(" offset ");
sql.append(isNamed ? ":" + SqlToyConstants.PAGE_LAST_PARAM_NAME : "?");
if (sqlToyConfig.isHasFast()) {
if (!sqlToyConfig.isIgnoreBracket()) {
sql.append(") ");
}
sql.append(sqlToyConfig.getFastTailSql(dialect));
}
SqlToyResult queryParam = DialectUtils.wrapPageSqlParams(sqlToyContext, sqlToyConfig, queryExecutor, sql.toString(), Long.valueOf(pageSize), (pageNo - 1) * pageSize, dialect);
QueryExecutorExtend extend = queryExecutor.getInnerModel();
return DialectUtils.findBySql(sqlToyContext, sqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), extend.rowCallbackHandler, decryptHandler, conn, dbType, 0, fetchSize, maxRows);
}
use of org.sagacity.sqltoy.model.inner.QueryExecutorExtend in project sagacity-sqltoy by chenrenfei.
the class PostgreSqlDialectUtils method getRandomResult.
/**
* @todo 提供随机记录查询
* @param sqlToyContext
* @param sqlToyConfig
* @param queryExecutor
* @param totalCount
* @param randomCount
* @param conn
* @param dbType
* @param dialect
* @param fetchSize
* @param maxRows
* @return
* @throws Exception
*/
public static QueryResult getRandomResult(SqlToyContext sqlToyContext, SqlToyConfig sqlToyConfig, QueryExecutor queryExecutor, final DecryptHandler decryptHandler, Long totalCount, Long randomCount, Connection conn, final Integer dbType, final String dialect, final int fetchSize, final int maxRows) throws Exception {
String innerSql = sqlToyConfig.isHasFast() ? sqlToyConfig.getFastSql(dialect) : sqlToyConfig.getSql(dialect);
// 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(dialect));
if (!sqlToyConfig.isIgnoreBracket()) {
sql.append(" (");
}
}
// 存在order 或union 则在sql外包裹一层
if (hasOrderOrUnion) {
sql.append("select sag_random_table.* from (");
}
sql.append(innerSql);
if (hasOrderOrUnion) {
sql.append(") sag_random_table ");
}
sql.append(" order by random() limit ");
sql.append(randomCount);
if (sqlToyConfig.isHasFast()) {
if (!sqlToyConfig.isIgnoreBracket()) {
sql.append(") ");
}
sql.append(sqlToyConfig.getFastTailSql(dialect));
}
SqlToyResult queryParam = DialectUtils.wrapPageSqlParams(sqlToyContext, sqlToyConfig, queryExecutor, sql.toString(), null, null, dialect);
QueryExecutorExtend extend = queryExecutor.getInnerModel();
return DialectUtils.findBySql(sqlToyContext, sqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), extend.rowCallbackHandler, decryptHandler, conn, dbType, 0, fetchSize, maxRows);
}
use of org.sagacity.sqltoy.model.inner.QueryExecutorExtend in project sagacity-sqltoy by chenrenfei.
the class Mongo method find.
/**
* @todo 集合记录查询
* @return
*/
public List<?> find() {
QueryExecutor queryExecutor = build();
SqlToyConfig sqlToyConfig = sqlToyContext.getSqlToyConfig(sql, SqlType.search, "");
NoSqlConfigModel noSqlModel = sqlToyConfig.getNoSqlConfigModel();
if (noSqlModel == null || noSqlModel.getCollection() == null || noSqlModel.getFields() == null) {
throw new IllegalArgumentException(ERROR_MESSAGE);
}
try {
QueryExecutorExtend extend = queryExecutor.getInnerModel();
// 最后的执行语句
String realMql = MongoElasticUtils.wrapMql(sqlToyConfig, extend.getParamsName(sqlToyConfig), extend.getParamsValue(sqlToyContext, sqlToyConfig));
// 聚合查询
if (noSqlModel.isHasAggs()) {
return aggregate(getMongoTemplate(), sqlToyConfig, realMql, (Class) extend.resultType, extend.humpMapLabel);
}
return findTop(getMongoTemplate(), sqlToyConfig, null, realMql, (Class) extend.resultType, extend.humpMapLabel);
} catch (Exception e) {
e.printStackTrace();
throw new DataAccessException(e);
}
}
use of org.sagacity.sqltoy.model.inner.QueryExecutorExtend in project sagacity-sqltoy by chenrenfei.
the class OracleDialectUtils method findTopBySql.
/**
* @todo 实现top记录查询
* @param sqlToyContext
* @param sqlToyConfig
* @param queryExecutor
* @param topSize
* @param conn
* @param dbType
* @param dialect
* @param fetchSize
* @param maxRows
* @return
* @throws Exception
*/
public static QueryResult findTopBySql(SqlToyContext sqlToyContext, SqlToyConfig sqlToyConfig, QueryExecutor queryExecutor, final DecryptHandler decryptHandler, Integer topSize, Connection conn, final Integer dbType, final String dialect, final int fetchSize, final int maxRows) throws Exception {
StringBuilder sql = new StringBuilder();
// 是否有order by
boolean hasOrderBy = SqlUtil.hasOrderBy(sqlToyConfig.isHasFast() ? sqlToyConfig.getFastSql(dialect) : sqlToyConfig.getSql(dialect), true);
if (sqlToyConfig.isHasFast()) {
sql.append(sqlToyConfig.getFastPreSql(dialect));
if (!sqlToyConfig.isIgnoreBracket()) {
sql.append(" (");
}
}
// order by 外包裹一层,确保查询结果是按排序
if (hasOrderBy) {
sql.append("select SAG_Paginationtable.* from (");
}
sql.append(sqlToyConfig.isHasFast() ? sqlToyConfig.getFastSql(dialect) : sqlToyConfig.getSql(dialect));
if (hasOrderBy) {
sql.append(") SAG_Paginationtable ");
}
sql.append(" fetch first ");
sql.append(topSize);
sql.append(" rows only");
if (sqlToyConfig.isHasFast()) {
if (!sqlToyConfig.isIgnoreBracket()) {
sql.append(") ");
}
sql.append(sqlToyConfig.getFastTailSql(dialect));
}
SqlToyResult queryParam = DialectUtils.wrapPageSqlParams(sqlToyContext, sqlToyConfig, queryExecutor, sql.toString(), null, null, dialect);
QueryExecutorExtend extend = queryExecutor.getInnerModel();
return DialectUtils.findBySql(sqlToyContext, sqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), extend.rowCallbackHandler, decryptHandler, conn, dbType, 0, fetchSize, maxRows);
}
use of org.sagacity.sqltoy.model.inner.QueryExecutorExtend 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
* @param dbType
* @param dialect
* @param fetchSize
* @param maxRows
* @return
* @throws Exception
*/
public static QueryResult getRandomResult(SqlToyContext sqlToyContext, SqlToyConfig sqlToyConfig, QueryExecutor queryExecutor, final DecryptHandler decryptHandler, Long totalCount, Long randomCount, Connection conn, final Integer dbType, final String dialect, final int fetchSize, final int maxRows) 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(dialect) : sqlToyConfig.getSql(dialect);
// 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(dialect));
if (!sqlToyConfig.isIgnoreBracket()) {
sql.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()) {
if (!sqlToyConfig.isIgnoreBracket()) {
sql.append(") ");
}
sql.append(sqlToyConfig.getFastTailSql(dialect));
}
SqlToyResult queryParam = DialectUtils.wrapPageSqlParams(sqlToyContext, sqlToyConfig, queryExecutor, sql.toString(), null, null, dialect);
QueryExecutorExtend extend = queryExecutor.getInnerModel();
return DialectUtils.findBySql(sqlToyContext, sqlToyConfig, queryParam.getSql(), queryParam.getParamsValue(), extend.rowCallbackHandler, decryptHandler, conn, dbType, 0, fetchSize, maxRows);
}
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