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    *    Copyright 2016-2025 the original author or authors.
    *
    *    Licensed under the Apache License, Version 2.0 (the "License");
    *    you may not use this file except in compliance with the License.
    *    You may obtain a copy of the License at
    *
    *       https://www.apache.org/licenses/LICENSE-2.0
    *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  package issues.gh100;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.mybatis.dynamic.sql.SqlBuilder.*;
  
  import org.junit.jupiter.api.Test;
  import org.mybatis.dynamic.sql.render.RenderingStrategies;
  import org.mybatis.dynamic.sql.select.QueryExpressionDSL;
  import org.mybatis.dynamic.sql.select.SelectModel;
  import org.mybatis.dynamic.sql.select.render.SelectStatementProvider;
  
  class Issue100Test {
  
      @Test
      void testNormalUsage() {
          SelectStatementProvider selectStatement = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                  .from(StudentDynamicSqlSupport.student)
                  .join(StudentRegDynamicSqlSupport.studentReg)
                  .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid))
                  .where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"))
                  .union()
                  .select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                  .from(StudentDynamicSqlSupport.student)
                  .orderBy(StudentDynamicSqlSupport.id)
                  .limit(3)
                  .offset(2)
                  .build()
                  .render(RenderingStrategies.MYBATIS3);
  
          String expected = "select student.id, student.name, student.idcard"
                  + " from student join student_reg on student.id = student_reg.studentId"
                  + " where student.idcard = #{parameters.p1}"
                  + " union"
                  + " select id, name, idcard"
                  + " from student"
                  + " order by id"
                  + " limit #{parameters.p2}"
                  + " offset #{parameters.p3}";
          assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
      }
  
      @Test
      void testSuccessiveBuild01() {
          QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                  .from(StudentDynamicSqlSupport.student);
  
          builder.join(StudentRegDynamicSqlSupport.studentReg)
          .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid));
  
          SelectStatementProvider selectStatement = builder.build()
                  .render(RenderingStrategies.MYBATIS3);
  
          String expected = "select student.id, student.name, student.idcard"
                  + " from student join student_reg on student.id = student_reg.studentId";
          assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
      }
  
      @Test
      void testSuccessiveBuild02() {
          QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                  .from(StudentDynamicSqlSupport.student);
  
          builder.join(StudentRegDynamicSqlSupport.studentReg)
          .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid))
          .where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"));
  
          SelectStatementProvider selectStatement = builder.build()
                  .render(RenderingStrategies.MYBATIS3);
  
          String expected = "select student.id, student.name, student.idcard"
                  + " from student join student_reg on student.id = student_reg.studentId"
                  + " where student.idcard = #{parameters.p1}";
          assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
      }
  
      @Test
      void testSuccessiveBuild03() {
          QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                  .from(StudentDynamicSqlSupport.student);
  
          builder.join(StudentRegDynamicSqlSupport.studentReg)
          .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid))
          .where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"))
          .orderBy(StudentDynamicSqlSupport.id);
 
         SelectStatementProvider selectStatement = builder.build()
                 .render(RenderingStrategies.MYBATIS3);
 
         String expected = "select student.id, student.name, student.idcard"
                 + " from student join student_reg on student.id = student_reg.studentId"
                 + " where student.idcard = #{parameters.p1}"
                 + " order by id";
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testSuccessiveBuild04() {
         QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                 .from(StudentDynamicSqlSupport.student);
 
         builder.join(StudentRegDynamicSqlSupport.studentReg)
         .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid))
         .where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"))
         .orderBy(StudentDynamicSqlSupport.id)
         .limit(3);
 
         SelectStatementProvider selectStatement = builder.build()
                 .render(RenderingStrategies.MYBATIS3);
 
         String expected = "select student.id, student.name, student.idcard"
                 + " from student join student_reg on student.id = student_reg.studentId"
                 + " where student.idcard = #{parameters.p1}"
                 + " order by id"
                 + " limit #{parameters.p2}";
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testSuccessiveBuild05() {
         QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                 .from(StudentDynamicSqlSupport.student);
 
         builder.join(StudentRegDynamicSqlSupport.studentReg)
         .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid))
         .where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"))
         .orderBy(StudentDynamicSqlSupport.id)
         .limit(3)
         .offset(2);
 
         SelectStatementProvider selectStatement = builder.build()
                 .render(RenderingStrategies.MYBATIS3);
 
         String expected = "select student.id, student.name, student.idcard"
                 + " from student join student_reg on student.id = student_reg.studentId"
                 + " where student.idcard = #{parameters.p1}"
                 + " order by id"
                 + " limit #{parameters.p2}"
                 + " offset #{parameters.p3}";
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testSuccessiveBuild06() {
         QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                 .from(StudentDynamicSqlSupport.student);
 
         builder.join(StudentRegDynamicSqlSupport.studentReg)
         .on(StudentDynamicSqlSupport.id, equalTo(StudentRegDynamicSqlSupport.studentid))
         .where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"))
         .orderBy(StudentDynamicSqlSupport.id)
         .offset(2);
 
         SelectStatementProvider selectStatement = builder.build()
                 .render(RenderingStrategies.MYBATIS3);
 
         String expected = "select student.id, student.name, student.idcard"
                 + " from student join student_reg on student.id = student_reg.studentId"
                 + " where student.idcard = #{parameters.p1}"
                 + " order by id"
                 + " offset #{parameters.p2} rows";
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testSuccessiveBuild07() {
         QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                 .from(StudentDynamicSqlSupport.student);
 
         builder.join(StudentRegDynamicSqlSupport.studentReg)
         .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid))
         .where(StudentDynamicSqlSupport.idcard, equalTo("fred"))
         .orderBy(StudentDynamicSqlSupport.id)
         .offset(2)
         .fetchFirst(3).rowsOnly();
 
         SelectStatementProvider selectStatement = builder.build()
                 .render(RenderingStrategies.MYBATIS3);
 
         String expected = "select student.id, student.name, student.idcard"
                 + " from student join student_reg on student.id = student_reg.studentId"
                 + " where student.idcard = #{parameters.p1}"
                 + " order by id"
                 + " offset #{parameters.p2} rows"
                 + " fetch first #{parameters.p3} rows only";
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void testSuccessiveBuild08() {
         QueryExpressionDSL<SelectModel> builder = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                 .from(StudentDynamicSqlSupport.student);
 
         builder.join(StudentRegDynamicSqlSupport.studentReg)
         .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid))
         .where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"))
         .orderBy(StudentDynamicSqlSupport.id)
         .fetchFirst(3).rowsOnly();
 
         SelectStatementProvider selectStatement = builder.build()
                 .render(RenderingStrategies.MYBATIS3);
 
         String expected = "select student.id, student.name, student.idcard"
                 + " from student join student_reg on student.id = student_reg.studentId"
                 + " where student.idcard = #{parameters.p1}"
                 + " order by id"
                 + " fetch first #{parameters.p2} rows only";
         assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
     }
 
     @Test
     void test3() {
         QueryExpressionDSL<SelectModel>.JoinSpecificationFinisher on = select(StudentDynamicSqlSupport.id, StudentDynamicSqlSupport.name, StudentDynamicSqlSupport.idcard)
                 .from(StudentDynamicSqlSupport.student)
                 .join(StudentRegDynamicSqlSupport.studentReg)
                 .on(StudentDynamicSqlSupport.id, isEqualTo(StudentRegDynamicSqlSupport.studentid));
 
         on.where(StudentDynamicSqlSupport.idcard, isEqualTo("fred"));
 
         SelectStatementProvider selectStatement = on
                 .build()
                 .render(RenderingStrategies.MYBATIS3);
 
         assertThat(selectStatement.getSelectStatement())
             .isEqualTo("select student.id, student.name, student.idcard from student join student_reg on student.id = student_reg.studentId where student.idcard = #{parameters.p1}");
     }
 }