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Merge pull request #3523 from FOCONIS/streaming-tests
set defaultFetchBuffer in findEach/findList in SQL and DTO Queries
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158 changes: 158 additions & 0 deletions
158
ebean-test/src/test/java/org/tests/query/other/TestFindIterateMariaDb.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| package org.tests.query.other; | ||
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| import io.ebean.DB; | ||
| import io.ebean.Transaction; | ||
| import io.ebean.annotation.Platform; | ||
| import io.ebean.xtest.BaseTestCase; | ||
| import io.ebean.xtest.ForPlatform; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.tests.model.basic.EBasic; | ||
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| import java.lang.reflect.Field; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| /** | ||
| * This test ensures that MariaDb uses the correct streaming result in findEach queries. | ||
| * See Issue #56. | ||
| */ | ||
| public class TestFindIterateMariaDb extends BaseTestCase { | ||
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| @BeforeEach | ||
| public void setup() { | ||
| // we need at least > fetchSize beans | ||
| if (DB.find(EBasic.class).findCount() < 1000) { | ||
| for (int i = 0; i < 1000; i++) { | ||
| EBasic dumbModel = new EBasic(); | ||
| dumbModel.setName("Goodbye now"); | ||
| DB.save(dumbModel); | ||
| } | ||
| } | ||
| } | ||
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| public static class DtoBasic { | ||
| private String name; | ||
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| public String getName() { | ||
| return name; | ||
| } | ||
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| public void setName(String name) { | ||
| this.name = name; | ||
| } | ||
| } | ||
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| @Test | ||
| @ForPlatform(Platform.MARIADB) | ||
| public void testStreamingOnSqlQueryFindEach() { | ||
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| try (Transaction txn = DB.beginTransaction()) { | ||
| AtomicBoolean mariadbStreaming = new AtomicBoolean(); | ||
| DB.sqlQuery("select name from e_basic").findEach(bean -> { | ||
| if (!mariadbStreaming.get() && isMariaDbStreaming()) { | ||
| mariadbStreaming.set(true); | ||
| } | ||
| }); | ||
| assertThat(mariadbStreaming.get()).isTrue(); | ||
| } | ||
| } | ||
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| @Test | ||
| @ForPlatform(Platform.MARIADB) | ||
| public void testStreamingOnOrmFindEach() { | ||
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| try (Transaction txn = DB.beginTransaction()) { | ||
| AtomicBoolean mariadbStreaming = new AtomicBoolean(); | ||
| DB.find(EBasic.class).findEach(bean -> { | ||
| if (!mariadbStreaming.get() && isMariaDbStreaming()) { | ||
| mariadbStreaming.set(true); | ||
| } | ||
| }); | ||
| assertThat(mariadbStreaming.get()).isTrue(); | ||
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| } | ||
| } | ||
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| @Test | ||
| @ForPlatform(Platform.MARIADB) | ||
| public void testStreamingOnOrmAsDtoFindEach() { | ||
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| try (Transaction txn = DB.beginTransaction()) { | ||
| AtomicBoolean mariadbStreaming = new AtomicBoolean(); | ||
| DB.find(EBasic.class).select("name").asDto(DtoBasic.class).findEach(bean -> { | ||
| if (!mariadbStreaming.get() && isMariaDbStreaming()) { | ||
| mariadbStreaming.set(true); | ||
| } | ||
| }); | ||
| assertThat(mariadbStreaming.get()).isTrue(); | ||
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| } | ||
| } | ||
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| @Test | ||
| @ForPlatform(Platform.MARIADB) | ||
| public void testStreamingOnDtoFindEach() { | ||
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| try (Transaction txn = DB.beginTransaction()) { | ||
| AtomicBoolean mariadbStreaming = new AtomicBoolean(); | ||
| DB.findDto(DtoBasic.class, "select name from e_basic").findEach(bean -> { | ||
| if (!mariadbStreaming.get() && isMariaDbStreaming()) { | ||
| mariadbStreaming.set(true); | ||
| } | ||
| }); | ||
| assertThat(mariadbStreaming.get()).isTrue(); | ||
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| } | ||
| } | ||
| @Test | ||
| @ForPlatform(Platform.MARIADB) | ||
| public void testStreamingOnDtoFindEachWhile() { | ||
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| try (Transaction txn = DB.beginTransaction()) { | ||
| AtomicBoolean mariadbStreaming = new AtomicBoolean(); | ||
| DB.findDto(DtoBasic.class, "select name from e_basic").findEachWhile(bean -> { | ||
| if (!mariadbStreaming.get() && isMariaDbStreaming()) { | ||
| mariadbStreaming.set(true); | ||
| } | ||
| return false; | ||
| }); | ||
| assertThat(mariadbStreaming.get()).isTrue(); | ||
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| } | ||
| } | ||
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| @Test | ||
| @ForPlatform(Platform.MARIADB) | ||
| public void testStreamingOnDtoFindEachBatch() { | ||
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| try (Transaction txn = DB.beginTransaction()) { | ||
| AtomicBoolean mariadbStreaming = new AtomicBoolean(); | ||
| DB.findDto(DtoBasic.class, "select name from e_basic").findEach(2000, bean -> { | ||
| if (!mariadbStreaming.get() && isMariaDbStreaming()) { | ||
| mariadbStreaming.set(true); | ||
| } | ||
| }); | ||
| assertThat(mariadbStreaming.get()).isTrue(); | ||
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| } | ||
| } | ||
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| /** | ||
| * Take a look into the current connection. We are streaming, if there is a result set. | ||
| */ | ||
| private boolean isMariaDbStreaming() { | ||
| try { | ||
| org.mariadb.jdbc.Connection conn = Transaction.current().connection().unwrap(org.mariadb.jdbc.Connection.class); | ||
| org.mariadb.jdbc.client.impl.StandardClient client = (org.mariadb.jdbc.client.impl.StandardClient) conn.getClient(); | ||
| Field field = client.getClass().getDeclaredField("streamMsg"); | ||
| field.setAccessible(true); | ||
| return field.get(client) != null; | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| return false; | ||
| } | ||
| } | ||
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| } |