本文整理汇总了Java中com.baomidou.mybatisplus.plugins.pagination.Pagination.isSearchCount方法的典型用法代码示例。如果您正苦于以下问题：Java Pagination.isSearchCount方法的具体用法？Java Pagination.isSearchCount怎么用？Java Pagination.isSearchCount使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.baomidou.mybatisplus.plugins.pagination.Pagination的用法示例。
在下文中一共展示了Pagination.isSearchCount方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: intercept
import com.baomidou.mybatisplus.plugins.pagination.Pagination; //导入方法依赖的package包/类
/**
* Physical Pagination Interceptor for all the queries with parameter {@link org.apache.ibatis.session.RowBounds}
*/
public Object intercept(Invocation invocation) throws Throwable {
StatementHandler statementHandler = (StatementHandler) PluginUtils.realTarget(invocation.getTarget());
MetaObject metaStatementHandler = SystemMetaObject.forObject(statementHandler);
// 先判断是不是SELECT操作
MappedStatement mappedStatement = (MappedStatement) metaStatementHandler.getValue("delegate.mappedStatement");
if (!SqlCommandType.SELECT.equals(mappedStatement.getSqlCommandType())) {
return invocation.proceed();
}
RowBounds rowBounds = (RowBounds) metaStatementHandler.getValue("delegate.rowBounds");
/* 不需要分页的场合 */
if (rowBounds == null || rowBounds == RowBounds.DEFAULT) {
return invocation.proceed();
}
BoundSql boundSql = (BoundSql) metaStatementHandler.getValue("delegate.boundSql");
String originalSql = boundSql.getSql();
Connection connection = (Connection) invocation.getArgs()[0];
DBType dbType = JdbcUtils.getDbType(connection.getMetaData().getURL());
if (rowBounds instanceof Pagination) {
Pagination page = (Pagination) rowBounds;
if (page.isSearchCount()) {
this.queryTotal(JsqlParserUtils.jsqlparserCount(originalSql), mappedStatement, boundSql, page, connection);
if (page.getTotal() <= 0) {
return invocation.proceed();
}
}
originalSql = DialectFactory.buildPaginationSql(page, originalSql, dbType, null);
} else {
// support physical Pagination for RowBounds
originalSql = DialectFactory.buildPaginationSql(rowBounds, originalSql, dbType, null);
}
/*
* <p> 禁用内存分页 </p> <p> 内存分页会查询所有结果出来处理（这个很吓人的），如果结果变化频繁这个数据还会不准。</p>
*/
metaStatementHandler.setValue("delegate.boundSql.sql", originalSql);
metaStatementHandler.setValue("delegate.rowBounds.offset", RowBounds.NO_ROW_OFFSET);
metaStatementHandler.setValue("delegate.rowBounds.limit", RowBounds.NO_ROW_LIMIT);
return invocation.proceed();
}
示例2: intercept
import com.baomidou.mybatisplus.plugins.pagination.Pagination; //导入方法依赖的package包/类
/**
* Physical Pagination Interceptor for all the queries with parameter
* {@link org.apache.ibatis.session.RowBounds}
*/
@Override
public Object intercept(Invocation invocation) throws Throwable {
Object target = invocation.getTarget();
if (target instanceof StatementHandler) {
return super.intercept(invocation);
} else {
RowBounds rowBounds = (RowBounds) invocation.getArgs()[2];
if (rowBounds == null || rowBounds == RowBounds.DEFAULT) {
return invocation.proceed();
}
MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];
Executor executor = (Executor) invocation.getTarget();
Connection connection = executor.getTransaction().getConnection();
Object parameterObject = invocation.getArgs()[1];
BoundSql boundSql = mappedStatement.getBoundSql(parameterObject);
String originalSql = boundSql.getSql();
if (rowBounds instanceof Pagination) {
Pagination page = (Pagination) rowBounds;
if (page.isSearchCount()) {
SqlInfo sqlInfo = SqlUtils.getCountOptimize(sqlParser, originalSql);
super.queryTotal(overflowCurrent, sqlInfo.getSql(), mappedStatement, boundSql, page, connection);
if (page.getTotal() <= 0) {
return invocation.proceed();
}
}
}
}
return invocation.proceed();
}
示例3: intercept
import com.baomidou.mybatisplus.plugins.pagination.Pagination; //导入方法依赖的package包/类
/**
* Physical Pagination Interceptor for all the queries with parameter {@link org.apache.ibatis.session.RowBounds}
*/
@Override
public Object intercept(Invocation invocation) throws Throwable {
StatementHandler statementHandler = (StatementHandler) PluginUtils.realTarget(invocation.getTarget());
MetaObject metaObject = SystemMetaObject.forObject(statementHandler);
this.sqlParser(metaObject);
// 先判断是不是SELECT操作
MappedStatement mappedStatement = (MappedStatement) metaObject.getValue("delegate.mappedStatement");
if (!SqlCommandType.SELECT.equals(mappedStatement.getSqlCommandType())) {
return invocation.proceed();
}
RowBounds rowBounds = (RowBounds) metaObject.getValue("delegate.rowBounds");
/* 不需要分页的场合 */
if (rowBounds == null || rowBounds == RowBounds.DEFAULT) {
// 本地线程分页
if (localPage) {
// 采用ThreadLocal变量处理的分页
rowBounds = PageHelper.getPagination();
if (rowBounds == null) {
return invocation.proceed();
}
} else {
// 无需分页
return invocation.proceed();
}
}
// 针对定义了rowBounds，做为mapper接口方法的参数
BoundSql boundSql = (BoundSql) metaObject.getValue("delegate.boundSql");
String originalSql = boundSql.getSql();
Connection connection = (Connection) invocation.getArgs()[0];
DBType dbType = StringUtils.isNotEmpty(dialectType) ? DBType.getDBType(dialectType) : JdbcUtils.getDbType(connection.getMetaData().getURL());
if (rowBounds instanceof Pagination) {
Pagination page = (Pagination) rowBounds;
boolean orderBy = true;
if (page.isSearchCount()) {
SqlInfo sqlInfo = SqlUtils.getCountOptimize(sqlParser, originalSql);
orderBy = sqlInfo.isOrderBy();
this.queryTotal(overflowCurrent, sqlInfo.getSql(), mappedStatement, boundSql, page, connection);
if (page.getTotal() <= 0) {
return invocation.proceed();
}
}
String buildSql = SqlUtils.concatOrderBy(originalSql, page, orderBy);
originalSql = DialectFactory.buildPaginationSql(page, buildSql, dbType, dialectClazz);
} else {
// support physical Pagination for RowBounds
originalSql = DialectFactory.buildPaginationSql(rowBounds, originalSql, dbType, dialectClazz);
}
/*
* <p> 禁用内存分页 </p>
* <p> 内存分页会查询所有结果出来处理（这个很吓人的），如果结果变化频繁这个数据还会不准。</p>
*/
metaObject.setValue("delegate.boundSql.sql", originalSql);
metaObject.setValue("delegate.rowBounds.offset", RowBounds.NO_ROW_OFFSET);
metaObject.setValue("delegate.rowBounds.limit", RowBounds.NO_ROW_LIMIT);
return invocation.proceed();
}