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DB2 exists - use existsWithCaseWhen true, similar to #3849 #3872

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Merged
rbygrave merged 2 commits into from
Jul 28, 2026
+19 −0
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DB2 exists - use existsWithCaseWhen true, similar to #3849 #3872

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DB2 exists - use existsWithCaseWhen true, similar to #3849
rob-bygrave Jul 28, 2026
e871885
DB2 using existsFromClause = " from sysibm.sysdummy1";
rob-bygrave Jul 28, 2026
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2 changes: 2 additions & 0 deletions platforms/db2/src/main/java/io/ebean/platform/db2/BaseDB2Platform.java
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Expand Up @@ -19,6 +19,8 @@ public BaseDB2Platform() {
this.supportsNativeJavaTime = false;
this.truncateTable = "truncate table %s reuse storage ignore delete triggers immediate";
this.likeClauseRaw = "like ?";
this.existsWithCaseWhen = true;
this.existsFromClause = " from sysibm.sysdummy1";
this.sqlLimiter = new AnsiSqlRowsLimiter();

this.dbIdentity.setSupportsGetGeneratedKeys(true);
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17 changes: 17 additions & 0 deletions platforms/db2/src/test/java/io/ebean/platform/db2/DB2PlatformTest.java
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@@ -0,0 +1,17 @@
package io.ebean.platform.db2;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

class DB2PlatformTest {

@Test
void existsWithCaseWhen_trueForDB2() {
DB2LuwPlatform platform = new DB2LuwPlatform();

assertTrue(platform.existsWithCaseWhen());
assertEquals(" from sysibm.sysdummy1", platform.existsFromClause());
}
}
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