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Query.of(entity)构建时传入fields

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Looly 2023-07-20 11:51:37 +08:00
parent 1e7e9dfee2
commit 6b45cfb7e2
1 changed files with 32 additions and 14 deletions
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46
hutool-db/src/main/java/org/dromara/hutool/db/sql/Query.java
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@ -12,6 +12,7 @@
package org.dromara.hutool.db.sql; package org.dromara.hutool.db.sql;
import org.dromara.hutool.core.collection.CollUtil;
import org.dromara.hutool.core.collection.ListUtil; import org.dromara.hutool.core.collection.ListUtil;
import org.dromara.hutool.core.array.ArrayUtil; import org.dromara.hutool.core.array.ArrayUtil;
import org.dromara.hutool.db.DbRuntimeException; import org.dromara.hutool.db.DbRuntimeException;
@ -19,6 +20,7 @@ import org.dromara.hutool.db.Entity;
import org.dromara.hutool.db.Page; import org.dromara.hutool.db.Page;
import java.util.Collection; import java.util.Collection;
import java.util.Set;
/** /**
* 查询对象，用于传递查询所需的字段值<br> * 查询对象，用于传递查询所需的字段值<br>
@ -26,30 +28,45 @@ import java.util.Collection;
* 如果想自定义返回结果，则可在查询对象中自定义要查询的字段名，分页{@link Page}信息来自定义结果。 * 如果想自定义返回结果，则可在查询对象中自定义要查询的字段名，分页{@link Page}信息来自定义结果。
* *
* @author Looly * @author Looly
*
*/ */
public class Query implements Cloneable { public class Query implements Cloneable {
/** 查询的字段名列表 */ /**
* 查询的字段名列表
*/
Collection<String> fields; Collection<String> fields;
/** 查询的表名 */ /**
* 查询的表名
*/
String[] tableNames; String[] tableNames;
/** 查询的条件语句 */ /**
* 查询的条件语句
*/
Condition[] where; Condition[] where;
/** 分页对象 */ /**
* 分页对象
*/
Page page; Page page;
/** /**
* 从{@link Entity}构建Query * 从{@link Entity}构建Query
*
* @param where 条件查询{@link Entity}，包含条件Map和表名 * @param where 条件查询{@link Entity}，包含条件Map和表名
* @return Query * @return Query
* @since 5.5.3 * @since 5.5.3
*/ */
public static Query of(final Entity where){ public static Query of(final Entity where) {
return new Query(SqlUtil.buildConditions(where), where.getTableName()); final Query query = new Query(SqlUtil.buildConditions(where), where.getTableName());
final Set<String> fieldNames = where.getFieldNames();
if (CollUtil.isNotEmpty(fieldNames)) {
query.setFields(fieldNames);
}
return query;
} }
// --------------------------------------------------------------- Constructor start // --------------------------------------------------------------- Constructor start
/** /**
* 构造 * 构造
* *
@ -63,7 +80,7 @@ public class Query implements Cloneable {
/** /**
* 构造 * 构造
* *
* @param where 条件语句 * @param where 条件语句
* @param tableNames 表名 * @param tableNames 表名
*/ */
public Query(final Condition[] where, final String... tableNames) { public Query(final Condition[] where, final String... tableNames) {
@ -73,8 +90,8 @@ public class Query implements Cloneable {
/** /**
* 构造 * 构造
* *
* @param where 条件语句 * @param where 条件语句
* @param page 分页 * @param page 分页
* @param tableNames 表名 * @param tableNames 表名
*/ */
public Query(final Condition[] where, final Page page, final String... tableNames) { public Query(final Condition[] where, final Page page, final String... tableNames) {
@ -84,10 +101,10 @@ public class Query implements Cloneable {
/** /**
* 构造 * 构造
* *
* @param fields 字段 * @param fields 字段
* @param tableNames 表名 * @param tableNames 表名
* @param where 条件 * @param where 条件
* @param page 分页 * @param page 分页
*/ */
public Query(final Collection<String> fields, final String[] tableNames, final Condition[] where, final Page page) { public Query(final Collection<String> fields, final String[] tableNames, final Condition[] where, final Page page) {
this.fields = fields; this.fields = fields;
@ -98,6 +115,7 @@ public class Query implements Cloneable {
// --------------------------------------------------------------- Constructor end // --------------------------------------------------------------- Constructor end
// --------------------------------------------------------------- Getters and Setters start // --------------------------------------------------------------- Getters and Setters start
/** /**
* 获得查询的字段名列表 * 获得查询的字段名列表
* *
@ -206,7 +224,7 @@ public class Query implements Cloneable {
@Override @Override
public Query clone() { public Query clone() {
try { try {
return (Query) super.clone(); return (Query) super.clone();
} catch (final CloneNotSupportedException e) { } catch (final CloneNotSupportedException e) {
throw new AssertionError(); throw new AssertionError();
} }