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6 files changed

+261
-16
lines changed

6 files changed

+261
-16
lines changed

‎src/main/java/org/mybatis/dynamic/sql/SqlBuilder.java

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -531,6 +531,10 @@ static <T> Subtract<T> subtract(BindableColumn<T> firstColumn, BasicColumn secon
531531
return Subtract.of(firstColumn, secondColumn, subsequentColumns);
532532
}
533533

534+
static CastFinisher cast(String value) {
535+
return cast(stringConstant(value));
536+
}
537+
534538
static CastFinisher cast(BasicColumn column) {
535539
return new CastFinisher(column);
536540
}

‎src/main/java/org/mybatis/dynamic/sql/StringConstant.java

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -20,7 +20,6 @@
2020

2121
import org.mybatis.dynamic.sql.render.RenderingContext;
2222
import org.mybatis.dynamic.sql.util.FragmentAndParameters;
23-
import org.mybatis.dynamic.sql.util.StringUtilities;
2423

2524
public class StringConstant implements BindableColumn<String> {
2625

@@ -43,7 +42,8 @@ public Optional<String> alias() {
4342

4443
@Override
4544
public FragmentAndParameters render(RenderingContext renderingContext) {
46-
return FragmentAndParameters.fromFragment(StringUtilities.quoteStringForSQL(value));
45+
String escaped = value.replace("'", "''"); //$NON-NLS-1$ //$NON-NLS-2$
46+
return FragmentAndParameters.fromFragment("'" + escaped + "'"); //$NON-NLS-1$ //$NON-NLS-2$
4747
}
4848

4949
@Override

‎src/main/java/org/mybatis/dynamic/sql/util/StringUtilities.java

Lines changed: 0 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -52,8 +52,4 @@ static String toCamelCase(String inputString) {
5252

5353
return sb.toString();
5454
}
55-
56-
static String quoteStringForSQL(String value) {
57-
return "'" + value + "'"; //$NON-NLS-1$ //$NON-NLS-2$
58-
}
5955
}

‎src/main/kotlin/org/mybatis/dynamic/sql/util/kotlin/elements/SqlElements.kt

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -167,7 +167,9 @@ fun <T> subtract(
167167
vararg subsequentColumns: BasicColumn
168168
): Subtract<T> = Subtract.of(firstColumn, secondColumn, subsequentColumns.asList())
169169

170-
fun cast(column: BasicColumn) = SqlBuilder.cast(column)
170+
fun cast(value: String): CastFinisher = SqlBuilder.cast(value)
171+
172+
fun cast(column: BasicColumn): CastFinisher = SqlBuilder.cast(column)
171173

172174
infix fun CastFinisher.`as`(targetType: String): Cast = this.`as`(targetType)
173175

‎src/test/java/examples/animal/data/CaseExpressionTest.java

Lines changed: 122 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -22,8 +22,10 @@
2222
import static org.assertj.core.api.Assertions.assertThat;
2323
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
2424
import static org.assertj.core.api.Assertions.entry;
25+
import static org.mybatis.dynamic.sql.SqlBuilder.add;
2526
import static org.mybatis.dynamic.sql.SqlBuilder.and;
2627
import static org.mybatis.dynamic.sql.SqlBuilder.cast;
28+
import static org.mybatis.dynamic.sql.SqlBuilder.constant;
2729
import static org.mybatis.dynamic.sql.SqlBuilder.group;
2830
import static org.mybatis.dynamic.sql.SqlBuilder.isEqualTo;
2931
import static org.mybatis.dynamic.sql.SqlBuilder.isEqualToWhenPresent;
@@ -36,6 +38,7 @@
3638

3739
import java.io.InputStream;
3840
import java.io.InputStreamReader;
41+
import java.math.BigDecimal;
3942
import java.sql.Connection;
4043
import java.sql.DriverManager;
4144
import java.util.List;
@@ -51,7 +54,6 @@
5154
import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
5255
import org.junit.jupiter.api.BeforeEach;
5356
import org.junit.jupiter.api.Test;
54-
import org.mybatis.dynamic.sql.SqlBuilder;
5557
import org.mybatis.dynamic.sql.exception.InvalidSqlException;
5658
import org.mybatis.dynamic.sql.render.RenderingStrategies;
5759
import org.mybatis.dynamic.sql.select.caseexpression.SearchedCaseDSL;
@@ -345,7 +347,7 @@ void testSimpleCassLessThan() {
345347
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
346348
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
347349

348-
SelectStatementProvider selectStatement = select(animalName, SqlBuilder.case_(brainWeight)
350+
SelectStatementProvider selectStatement = select(animalName, case_(brainWeight)
349351
.when(isLessThan(4.0)).then("small brain")
350352
.else_("large brain").end().as("brain_size"))
351353
.from(animalData)
@@ -372,7 +374,7 @@ void testSimpleCaseWithStrings() {
372374
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
373375
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
374376

375-
SelectStatementProvider selectStatement = select(animalName, SqlBuilder.case_(animalName)
377+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
376378
.when(isEqualTo("Artic fox"), isEqualTo("Red fox")).then("yes")
377379
.else_("no").end().as("IsAFox"))
378380
.from(animalData)
@@ -410,7 +412,7 @@ void testSimpleCaseBasicWithStrings() {
410412
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
411413
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
412414

413-
SelectStatementProvider selectStatement = select(animalName, SqlBuilder.case_(animalName)
415+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
414416
.when("Artic fox", "Red fox").then("yes")
415417
.else_("no").end().as("IsAFox"))
416418
.from(animalData)
@@ -448,7 +450,7 @@ void testSimpleCaseWithBooleans() {
448450
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
449451
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
450452

451-
SelectStatementProvider selectStatement = select(animalName, SqlBuilder.case_(animalName)
453+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
452454
.when(isEqualTo("Artic fox"), isEqualTo("Red fox")).then(true)
453455
.else_(false).end().as("IsAFox"))
454456
.from(animalData)
@@ -486,7 +488,7 @@ void testSimpleCaseWithBoundValues() {
486488
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
487489
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
488490

489-
SelectStatementProvider selectStatement = select(animalName, SqlBuilder.case_(animalName)
491+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
490492
.when(isEqualTo("Artic fox"), isEqualTo("Red fox")).then(value("yes"))
491493
.else_(cast(value("no")).as("VARCHAR(30)")).end().as("IsAFox"))
492494
.from(animalData)
@@ -527,7 +529,7 @@ void testSimpleCaseBasicWithBooleans() {
527529
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
528530
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
529531

530-
SelectStatementProvider selectStatement = select(animalName, SqlBuilder.case_(animalName)
532+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
531533
.when("Artic fox", "Red fox").then(true)
532534
.else_(false).end().as("IsAFox"))
533535
.from(animalData)
@@ -565,7 +567,7 @@ void testSimpleCaseNoElse() {
565567
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
566568
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
567569

568-
SelectStatementProvider selectStatement = select(animalName, SqlBuilder.case_(animalName)
570+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
569571
.when(isEqualTo("Artic fox"), isEqualTo("Red fox")).then("yes")
570572
.end().as("IsAFox"))
571573
.from(animalData)
@@ -598,6 +600,117 @@ void testSimpleCaseNoElse() {
598600
}
599601
}
600602

603+
@Test
604+
void testSimpleCaseLongs() {
605+
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
606+
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
607+
608+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
609+
.when(isEqualTo("Artic fox"), isEqualTo("Red fox")).then(1L)
610+
.else_(2L)
611+
.end().as("IsAFox"))
612+
.from(animalData)
613+
.where(id, isIn(31, 32, 38, 39))
614+
.orderBy(id)
615+
.build()
616+
.render(RenderingStrategies.MYBATIS3);
617+
618+
String expected = "select animal_name, " +
619+
"case animal_name when = #{parameters.p1,jdbcType=VARCHAR}, = #{parameters.p2,jdbcType=VARCHAR} then 1 else 2 end " +
620+
"as IsAFox from AnimalData where id in " +
621+
"(#{parameters.p3,jdbcType=INTEGER},#{parameters.p4,jdbcType=INTEGER},#{parameters.p5,jdbcType=INTEGER},#{parameters.p6,jdbcType=INTEGER}) " +
622+
"order by id";
623+
assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
624+
assertThat(selectStatement.getParameters()).containsOnly(
625+
entry("p1", "Artic fox"),
626+
entry("p2", "Red fox"),
627+
entry("p3", 31),
628+
entry("p4", 32),
629+
entry("p5", 38),
630+
entry("p6", 39)
631+
);
632+
633+
List<Map<String, Object>> records = mapper.selectManyMappedRows(selectStatement);
634+
assertThat(records).hasSize(4);
635+
assertThat(records.get(0)).containsOnly(entry("ANIMAL_NAME", "Cat"), entry("ISAFOX", 2));
636+
assertThat(records.get(1)).containsOnly(entry("ANIMAL_NAME", "Artic fox"), entry("ISAFOX", 1));
637+
assertThat(records.get(2)).containsOnly(entry("ANIMAL_NAME", "Red fox"), entry("ISAFOX", 1));
638+
assertThat(records.get(3)).containsOnly(entry("ANIMAL_NAME", "Raccoon"), entry("ISAFOX", 2));
639+
}
640+
}
641+
642+
@Test
643+
void testSimpleCaseDoubles() {
644+
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
645+
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
646+
647+
SelectStatementProvider selectStatement = select(animalName, case_(animalName)
648+
.when(isEqualTo("Artic fox"), isEqualTo("Red fox")).then(1.1)
649+
.else_(2.2)
650+
.end().as("IsAFox"))
651+
.from(animalData)
652+
.where(id, isIn(31, 32, 38, 39))
653+
.orderBy(id)
654+
.build()
655+
.render(RenderingStrategies.MYBATIS3);
656+
657+
String expected = "select animal_name, " +
658+
"case animal_name when = #{parameters.p1,jdbcType=VARCHAR}, = #{parameters.p2,jdbcType=VARCHAR} then 1.1 else 2.2 end " +
659+
"as IsAFox from AnimalData where id in " +
660+
"(#{parameters.p3,jdbcType=INTEGER},#{parameters.p4,jdbcType=INTEGER},#{parameters.p5,jdbcType=INTEGER},#{parameters.p6,jdbcType=INTEGER}) " +
661+
"order by id";
662+
assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
663+
assertThat(selectStatement.getParameters()).containsOnly(
664+
entry("p1", "Artic fox"),
665+
entry("p2", "Red fox"),
666+
entry("p3", 31),
667+
entry("p4", 32),
668+
entry("p5", 38),
669+
entry("p6", 39)
670+
);
671+
672+
List<Map<String, Object>> records = mapper.selectManyMappedRows(selectStatement);
673+
assertThat(records).hasSize(4);
674+
assertThat(records.get(0)).containsOnly(entry("ANIMAL_NAME", "Cat"), entry("ISAFOX", new BigDecimal("2.2")));
675+
assertThat(records.get(1)).containsOnly(entry("ANIMAL_NAME", "Artic fox"), entry("ISAFOX", new BigDecimal("1.1")));
676+
assertThat(records.get(2)).containsOnly(entry("ANIMAL_NAME", "Red fox"), entry("ISAFOX", new BigDecimal("1.1")));
677+
assertThat(records.get(3)).containsOnly(entry("ANIMAL_NAME", "Raccoon"), entry("ISAFOX", new BigDecimal("2.2")));
678+
}
679+
}
680+
681+
@Test
682+
void testAliasCast() {
683+
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
684+
CommonSelectMapper mapper = sqlSession.getMapper(CommonSelectMapper.class);
685+
686+
SelectStatementProvider selectStatement = select(animalName, cast(add(id, constant("20"))).as("INTEGER").as("BIG_ID"))
687+
.from(animalData)
688+
.where(id, isIn(31, 32, 38, 39))
689+
.orderBy(id)
690+
.build()
691+
.render(RenderingStrategies.MYBATIS3);
692+
693+
String expected = "select animal_name, cast((id + 20) as INTEGER) as BIG_ID " +
694+
"from AnimalData where id in " +
695+
"(#{parameters.p1,jdbcType=INTEGER},#{parameters.p2,jdbcType=INTEGER},#{parameters.p3,jdbcType=INTEGER},#{parameters.p4,jdbcType=INTEGER}) " +
696+
"order by id";
697+
assertThat(selectStatement.getSelectStatement()).isEqualTo(expected);
698+
assertThat(selectStatement.getParameters()).containsOnly(
699+
entry("p1", 31),
700+
entry("p2", 32),
701+
entry("p3", 38),
702+
entry("p4", 39)
703+
);
704+
705+
List<Map<String, Object>> records = mapper.selectManyMappedRows(selectStatement);
706+
assertThat(records).hasSize(4);
707+
assertThat(records.get(0)).containsOnly(entry("ANIMAL_NAME", "Cat"), entry("BIG_ID", 51));
708+
assertThat(records.get(1)).containsOnly(entry("ANIMAL_NAME", "Artic fox"), entry("BIG_ID", 52));
709+
assertThat(records.get(2)).containsOnly(entry("ANIMAL_NAME", "Red fox"), entry("BIG_ID", 58));
710+
assertThat(records.get(3)).containsOnly(entry("ANIMAL_NAME", "Raccoon"), entry("BIG_ID", 59));
711+
}
712+
}
713+
601714
@Test
602715
void testInvalidSearchedCaseNoConditionsRender() {
603716
SelectModel model = select(animalName, case_()
@@ -612,7 +725,7 @@ void testInvalidSearchedCaseNoConditionsRender() {
612725

613726
@Test
614727
void testInvalidSimpleCaseNoConditionsRender() {
615-
SelectModel model = select(SqlBuilder.case_(animalName)
728+
SelectModel model = select(case_(animalName)
616729
.when(isEqualToWhenPresent((String) null)).then("Fred").end())
617730
.from(animalData)
618731
.build();

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