code

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/sql/SqlUtils.java

@@ -90,6 +90,7 @@ public abstract class SqlUtils implements Constants {
         return sql;
     }
 
+    @SuppressWarnings("all")
     public static String getSelectBody(String tableName, String alisa, String asAlisa, String escapeSymbol) {
         TableInfo tableInfo = TableInfoHelper.getTableInfo(tableName);
         Assert.notNull(tableInfo, "can not find TableInfo Cache by \"%s\"", tableName);
@@ -108,14 +109,17 @@ public abstract class SqlUtils implements Constants {
             final String sa = alisa.concat(DOT);
             if (asA) {
                 int as = body.indexOf(AS);
+                String column;
+                String property;
                 if (as < 0) {
-                    sb.append(sa).append(body).append(AS).append(escapeColumn(asAlisa.concat(DOT).concat(body), escapeSymbol));
+                    column = body;
+                    property = StringUtils.getTargetColumn(body);
                 } else {
-                    String column = body.substring(0, as);
-                    String property = body.substring(as + 4);
+                    column = body.substring(0, as);
+                    property = body.substring(as + 4);
                     property = StringUtils.getTargetColumn(property);
-                    sb.append(sa).append(column).append(AS).append(escapeColumn(asAlisa.concat(DOT).concat(property), escapeSymbol));
                 }
+                sb.append(sa).append(column).append(AS).append(escapeColumn(asAlisa.concat(DOT).concat(property), escapeSymbol));
             } else {
                 sb.append(sa).append(body);
             }

mybatis-plus/src/test/java/com/baomidou/mybatisplus/test/replaceplaceholder/Entity.java

@@ -1,5 +1,6 @@
 package com.baomidou.mybatisplus.test.replaceplaceholder;
 
+import com.baomidou.mybatisplus.annotation.TableField;
 import lombok.Data;
 
 import java.io.Serializable;
@@ -14,5 +15,15 @@ public class Entity implements Serializable {
 
     private Long id;
 
+    @TableField("`name`")
     private String name;
+
+    @TableField(exist = false)
+    private EntitySub es;
+
+    @Data
+    public static class EntitySub {
+        private Long id;
+        private String name;
+    }
 }

mybatis-plus/src/test/java/com/baomidou/mybatisplus/test/replaceplaceholder/EntityMapper.java

@@ -14,6 +14,6 @@ public interface EntityMapper extends BaseMapper<Entity> {
     @Select("select {@entity} from entity")
     List<Entity> selectAll();
 
-    @Select("select {@entity:e} from entity e")
+    @Select("select {@entity:e:es} from entity e")
     List<Entity> selectAll2();
 }

mybatis-plus/src/test/java/com/baomidou/mybatisplus/test/replaceplaceholder/EntitySubMapper.java

@@ -0,0 +1,19 @@
+package com.baomidou.mybatisplus.test.replaceplaceholder;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+ * @author miemie
+ * @since 2020-06-23
+ */
+public interface EntitySubMapper extends BaseMapper<Entity> {
+
+    @Select("select {@entity} from entity")
+    List<Entity> selectAll();
+
+    @Select("select {@entity:e} from entity e")
+    List<Entity> selectAll2();
+}

mybatis-plus/src/test/java/com/baomidou/mybatisplus/test/replaceplaceholder/ReplacePlaceholderTest.java

@@ -10,6 +10,8 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 /**
  * @author miemie
  * @since 2020-06-23
@@ -19,15 +21,17 @@ public class ReplacePlaceholderTest extends BaseDbTest<EntityMapper> {
     @Test
     void replace() {
         doTest(i -> {
-            i.selectAll();
-            i.selectAll2();
+            System.out.println(i.selectAll());
+            List<Entity> list = i.selectAll2();
+            System.out.println(list);
+            assertThat(list.getFirst().getEs().getName()).isNotBlank();
         });
     }
 
     @Override
     protected List<Interceptor> interceptors() {
         MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
-        interceptor.addInnerInterceptor(new ReplacePlaceholderInnerInterceptor());
+        interceptor.addInnerInterceptor(new ReplacePlaceholderInnerInterceptor("\""));
         return Collections.singletonList(interceptor);
     }
 
@@ -41,14 +45,25 @@ public class ReplacePlaceholderTest extends BaseDbTest<EntityMapper> {
 
     @Override
     protected String tableDataSql() {
-        return "insert into entity(id,name) values(1,'1'),(2,'2');";
+        return "insert into entity(id,name) values(1,'1'),(2,'2');" +
+            "insert into entity_sub(id,name) values(1,'1'),(2,'2');";
     }
 
     @Override
     protected List<String> tableSql() {
-        return Arrays.asList("drop table if exists entity", "CREATE TABLE IF NOT EXISTS entity (" +
+        return Arrays.asList("drop table if exists entity","drop table if exists entity_sub",
+            "CREATE TABLE IF NOT EXISTS entity (" +
             "id BIGINT NOT NULL," +
             "name VARCHAR(30) NULL DEFAULT NULL," +
-            "PRIMARY KEY (id))");
+            "PRIMARY KEY (id))",
+            "CREATE TABLE IF NOT EXISTS entity_sub (" +
+                "id BIGINT NOT NULL," +
+                "name VARCHAR(30) NULL DEFAULT NULL," +
+                "PRIMARY KEY (id))");
+    }
+
+    @Override
+    protected List<Class<?>> otherMapper() {
+        return List.of(EntitySubMapper.class);
     }
 }