third_codes/mybatis-plus-join
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yulichang 2024-03-01 17:12:40 +08:00
parent 750b216156
commit 44a726ace8
4 changed files with 48 additions and 4 deletions
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11
mybatis-plus-join-core/src/main/java/com/github/yulichang/kt/KtAbstractWrapper.java
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@ -313,7 +313,7 @@ public abstract class KtAbstractWrapper<T, Children extends KtAbstractWrapper<T,
@Override @Override
public Children last(boolean condition, String lastSql) { public Children last(boolean condition, String lastSql) {
if (condition) { if (condition) {
this.lastSql.setStringValue(StringPool.SPACE + lastSql); this.lastSql.setStringValue(this.lastSql.getStringValue() + StringPool.SPACE + lastSql);
} }
return typedThis; return typedThis;
} }
@ -329,11 +329,18 @@ public abstract class KtAbstractWrapper<T, Children extends KtAbstractWrapper<T,
@Override @Override
public Children first(boolean condition, String firstSql) { public Children first(boolean condition, String firstSql) {
if (condition) { if (condition) {
this.sqlFirst.setStringValue(firstSql); this.sqlFirst.setStringValue(firstSql + StringPool.SPACE + this.sqlFirst.getStringValue());
} }
return typedThis; return typedThis;
} }
@Override
public Children around(boolean condition, String firstSql, String lastSql) {
this.first(condition, firstSql);
this.last(condition, lastSql);
return typedThis;
}
@Override @Override
public Children exists(boolean condition, String existsSql, Object... values) { public Children exists(boolean condition, String existsSql, Object... values) {
return maybeDo(condition, () -> appendSqlSegments(EXISTS, return maybeDo(condition, () -> appendSqlSegments(EXISTS,

11
mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/JoinAbstractWrapper.java
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@ -333,7 +333,7 @@ public abstract class JoinAbstractWrapper<T, Children extends JoinAbstractWrappe
@Override @Override
public Children last(boolean condition, String lastSql) { public Children last(boolean condition, String lastSql) {
if (condition) { if (condition) {
this.lastSql.setStringValue(StringPool.SPACE + lastSql); this.lastSql.setStringValue(this.lastSql.getStringValue() + StringPool.SPACE + lastSql);
} }
return typedThis; return typedThis;
} }
@ -349,11 +349,18 @@ public abstract class JoinAbstractWrapper<T, Children extends JoinAbstractWrappe
@Override @Override
public Children first(boolean condition, String firstSql) { public Children first(boolean condition, String firstSql) {
if (condition) { if (condition) {
this.sqlFirst.setStringValue(firstSql); this.sqlFirst.setStringValue(firstSql + StringPool.SPACE + this.sqlFirst.getStringValue());
} }
return typedThis; return typedThis;
} }
@Override
public Children around(boolean condition, String firstSql, String lastSql) {
this.first(condition, firstSql);
this.last(condition, lastSql);
return typedThis;
}
@Override @Override
public Children exists(boolean condition, String existsSql, Object... values) { public Children exists(boolean condition, String existsSql, Object... values) {
return maybeDo(condition, () -> appendSqlSegments(EXISTS, return maybeDo(condition, () -> appendSqlSegments(EXISTS,

12
mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/MPJLambdaWrapper.java
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@ -197,6 +197,18 @@ public class MPJLambdaWrapper<T> extends JoinAbstractLambdaWrapper<T, MPJLambdaW
return Query.super.selectAll(clazz); return Query.super.selectAll(clazz);
} }
/**
* 查询主表全部字段
* <p>
* 需要使用 使用 JoinWrappers.lambda(clazz) 或者 new MPJLambdaQueryWrapper&lt;&lt;(clazz) 构造
*
* @return children
*/
public MPJLambdaWrapper<T> selectAll() {
Assert.notNull(getEntityClass(), "使用 JoinWrappers.lambda(clazz) 或者 new MPJLambdaQueryWrapper<>(clazz)");
return selectAll(getEntityClass());
}
/** /**
* 子查询 * 子查询
*/ */

18
mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/interfaces/Join.java
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@ -97,6 +97,24 @@ public interface Join<Children> extends Serializable {
*/ */
Children first(boolean condition, String firstSql); Children first(boolean condition, String firstSql);
/**
* ignore
*/
default Children around(String firstSql, String lastSql) {
return around(true, firstSql, lastSql);
}
/**
* sql 起始句 和介绍语句（会拼接在SQL语句的起始处和结束处）
*
* @param condition 执行条件
* @param firstSql 起始语句
* @param lastSql 结束语句
* @return children
* @since 1.4.11
*/
Children around(boolean condition, String firstSql, String lastSql);
/** /**
* ignore * ignore
*/ */