trade:初始化
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@@ -7,6 +7,7 @@ import cn.iocoder.yudao.framework.mybatis.core.util.MyBatisUtils;
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import com.baomidou.mybatisplus.core.conditions.Wrapper;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
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import com.baomidou.mybatisplus.extension.toolkit.Db;
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@@ -18,6 +19,9 @@ import java.util.List;
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/**
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* 在 MyBatis Plus 的 BaseMapper 的基础上拓展,提供更多的能力
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*
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* 1. {@link BaseMapper} 为 MyBatis Plus 的基础接口,提供基础的 CRUD 能力
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* 2. {@link MPJBaseMapper} 为 MyBatis Plus Join 的基础接口,提供连表 Join 能力
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*/
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public interface BaseMapperX<T> extends MPJBaseMapper<T> {
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@@ -45,8 +49,14 @@ public interface BaseMapperX<T> extends MPJBaseMapper<T> {
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return selectOne(new LambdaQueryWrapper<T>().eq(field1, value1).eq(field2, value2));
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}
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default T selectOne(SFunction<T, ?> field1, Object value1, SFunction<T, ?> field2, Object value2,
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SFunction<T, ?> field3, Object value3) {
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return selectOne(new LambdaQueryWrapper<T>().eq(field1, value1).eq(field2, value2)
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.eq(field3, value3));
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}
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default Long selectCount() {
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return selectCount(new QueryWrapper<T>());
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return selectCount(new QueryWrapper<>());
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}
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default Long selectCount(String field, Object value) {
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@@ -0,0 +1,313 @@
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package cn.iocoder.yudao.framework.mybatis.core.query;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.ObjectUtil;
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import cn.iocoder.yudao.framework.common.util.collection.ArrayUtils;
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import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
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import com.github.yulichang.toolkit.MPJWrappers;
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import com.github.yulichang.wrapper.MPJLambdaWrapper;
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import org.springframework.util.StringUtils;
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import java.util.Collection;
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import java.util.function.Consumer;
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/**
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* 拓展 MyBatis Plus Join QueryWrapper 类,主要增加如下功能:
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* <p>
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* 1. 拼接条件的方法,增加 xxxIfPresent 方法,用于判断值不存在的时候,不要拼接到条件中。
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*
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* @param <T> 数据类型
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*/
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public class MPJLambdaWrapperX<T> extends MPJLambdaWrapper<T> {
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public MPJLambdaWrapperX<T> likeIfPresent(SFunction<T, ?> column, String val) {
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MPJWrappers.lambdaJoin().like(column, val);
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if (StringUtils.hasText(val)) {
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return (MPJLambdaWrapperX<T>) super.like(column, val);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> inIfPresent(SFunction<T, ?> column, Collection<?> values) {
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if (ObjectUtil.isAllNotEmpty(values) && !ArrayUtil.isEmpty(values)) {
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return (MPJLambdaWrapperX<T>) super.in(column, values);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> inIfPresent(SFunction<T, ?> column, Object... values) {
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if (ObjectUtil.isAllNotEmpty(values) && !ArrayUtil.isEmpty(values)) {
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return (MPJLambdaWrapperX<T>) super.in(column, values);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> eqIfPresent(SFunction<T, ?> column, Object val) {
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if (ObjectUtil.isNotEmpty(val)) {
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return (MPJLambdaWrapperX<T>) super.eq(column, val);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> neIfPresent(SFunction<T, ?> column, Object val) {
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if (ObjectUtil.isNotEmpty(val)) {
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return (MPJLambdaWrapperX<T>) super.ne(column, val);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> gtIfPresent(SFunction<T, ?> column, Object val) {
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if (val != null) {
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return (MPJLambdaWrapperX<T>) super.gt(column, val);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> geIfPresent(SFunction<T, ?> column, Object val) {
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if (val != null) {
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return (MPJLambdaWrapperX<T>) super.ge(column, val);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> ltIfPresent(SFunction<T, ?> column, Object val) {
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if (val != null) {
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return (MPJLambdaWrapperX<T>) super.lt(column, val);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> leIfPresent(SFunction<T, ?> column, Object val) {
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if (val != null) {
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return (MPJLambdaWrapperX<T>) super.le(column, val);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> betweenIfPresent(SFunction<T, ?> column, Object val1, Object val2) {
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if (val1 != null && val2 != null) {
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return (MPJLambdaWrapperX<T>) super.between(column, val1, val2);
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}
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if (val1 != null) {
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return (MPJLambdaWrapperX<T>) ge(column, val1);
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}
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if (val2 != null) {
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return (MPJLambdaWrapperX<T>) le(column, val2);
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}
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return this;
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}
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public MPJLambdaWrapperX<T> betweenIfPresent(SFunction<T, ?> column, Object[] values) {
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Object val1 = ArrayUtils.get(values, 0);
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Object val2 = ArrayUtils.get(values, 1);
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return betweenIfPresent(column, val1, val2);
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}
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// ========== 重写父类方法,方便链式调用 ==========
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@Override
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public <X> MPJLambdaWrapperX<T> eq(boolean condition, SFunction<X, ?> column, Object val) {
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super.eq(condition, column, val);
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return this;
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}
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@Override
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public <X> MPJLambdaWrapperX<T> eq(SFunction<X, ?> column, Object val) {
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super.eq(column, val);
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return this;
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}
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@Override
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public <X> MPJLambdaWrapperX<T> orderByDesc(SFunction<X, ?> column) {
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//noinspection unchecked
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super.orderByDesc(true, column);
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return this;
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}
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@Override
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public MPJLambdaWrapperX<T> last(String lastSql) {
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super.last(lastSql);
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return this;
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}
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@Override
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public <X> MPJLambdaWrapperX<T> in(SFunction<X, ?> column, Collection<?> coll) {
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super.in(column, coll);
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return this;
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}
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@Override
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public MPJLambdaWrapperX<T> selectAll(Class<?> clazz) {
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super.selectAll(clazz);
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return this;
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}
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@Override
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public MPJLambdaWrapperX<T> selectAll(Class<?> clazz, String prefix) {
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super.selectAll(clazz, prefix);
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return this;
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}
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@Override
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public <S> MPJLambdaWrapperX<T> selectAs(SFunction<S, ?> column, String alias) {
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super.selectAs(column, alias);
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return this;
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}
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@Override
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public <E> MPJLambdaWrapperX<T> selectAs(String column, SFunction<E, ?> alias) {
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super.selectAs(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectAs(SFunction<S, ?> column, SFunction<X, ?> alias) {
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super.selectAs(column, alias);
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return this;
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}
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@Override
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public <E, X> MPJLambdaWrapperX<T> selectAs(String index, SFunction<E, ?> column, SFunction<X, ?> alias) {
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super.selectAs(index, column, alias);
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return this;
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}
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@Override
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public <E> MPJLambdaWrapperX<T> selectAsClass(Class<E> source, Class<?> tag) {
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super.selectAsClass(source, tag);
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return this;
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}
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@Override
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public <E, F> MPJLambdaWrapperX<T> selectSub(Class<E> clazz, Consumer<MPJLambdaWrapper<E>> consumer, SFunction<F, ?> alias) {
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super.selectSub(clazz, consumer, alias);
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return this;
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}
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@Override
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public <E, F> MPJLambdaWrapperX<T> selectSub(Class<E> clazz, String st, Consumer<MPJLambdaWrapper<E>> consumer, SFunction<F, ?> alias) {
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super.selectSub(clazz, st, consumer, alias);
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return this;
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}
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@Override
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public <S> MPJLambdaWrapperX<T> selectCount(SFunction<S, ?> column) {
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super.selectCount(column);
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return this;
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}
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@Override
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public MPJLambdaWrapperX<T> selectCount(Object column, String alias) {
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super.selectCount(column, alias);
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return this;
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}
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@Override
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public <X> MPJLambdaWrapperX<T> selectCount(Object column, SFunction<X, ?> alias) {
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super.selectCount(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectCount(SFunction<S, ?> column, String alias) {
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super.selectCount(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectCount(SFunction<S, ?> column, SFunction<X, ?> alias) {
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super.selectCount(column, alias);
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return this;
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}
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@Override
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public <S> MPJLambdaWrapperX<T> selectSum(SFunction<S, ?> column) {
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super.selectSum(column);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectSum(SFunction<S, ?> column, String alias) {
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super.selectSum(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectSum(SFunction<S, ?> column, SFunction<X, ?> alias) {
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super.selectSum(column, alias);
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return this;
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}
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@Override
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public <S> MPJLambdaWrapperX<T> selectMax(SFunction<S, ?> column) {
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super.selectMax(column);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectMax(SFunction<S, ?> column, String alias) {
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super.selectMax(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectMax(SFunction<S, ?> column, SFunction<X, ?> alias) {
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super.selectMax(column, alias);
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return this;
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}
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@Override
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public <S> MPJLambdaWrapperX<T> selectMin(SFunction<S, ?> column) {
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super.selectMin(column);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectMin(SFunction<S, ?> column, String alias) {
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super.selectMin(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectMin(SFunction<S, ?> column, SFunction<X, ?> alias) {
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super.selectMin(column, alias);
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return this;
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}
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@Override
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public <S> MPJLambdaWrapperX<T> selectAvg(SFunction<S, ?> column) {
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super.selectAvg(column);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectAvg(SFunction<S, ?> column, String alias) {
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super.selectAvg(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectAvg(SFunction<S, ?> column, SFunction<X, ?> alias) {
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super.selectAvg(column, alias);
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return this;
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}
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@Override
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public <S> MPJLambdaWrapperX<T> selectLen(SFunction<S, ?> column) {
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super.selectLen(column);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectLen(SFunction<S, ?> column, String alias) {
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super.selectLen(column, alias);
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return this;
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}
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@Override
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public <S, X> MPJLambdaWrapperX<T> selectLen(SFunction<S, ?> column, SFunction<X, ?> alias) {
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super.selectLen(column, alias);
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return this;
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}
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}
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