#919 - io.ebean package initial

2024-04-21 10:51:47 +00:00 · 2016-12-11 23:23:22 +13:00
parent 5821dc96b9
commit 971e2dc91b
2134 changed files with 10721 additions and 8652 deletions
@@ -0,0 +1,139 @@
+package org.tests.basic;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import io.ebean.Query;
+import org.tests.model.basic.Order;
+import org.tests.model.basic.ResetBasicData;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+
+public class TestLimitQuery extends BaseTestCase {
+
+  @Test
+  public void testLimitWithMany() {
+    rob();
+    rob();
+  }
+
+  @Test
+  public void testMaxRowsZeroWithFirstRow() {
+
+    ResetBasicData.reset();
+
+    Query<Order> query = Ebean.find(Order.class)
+      .setAutoTune(false)
+      .fetch("details")
+      .where().gt("details.id", 0)
+      .setMaxRows(0)
+      .setFirstRow(3)
+      .order().asc("orderDate");
+
+    query.findList();
+
+    String sql = query.getGeneratedSql();
+    if (isH2()) {
+      assertThat(sql).contains("offset 3");
+      assertThat(sql).contains("limit 0");
+    }
+  }
+
+  @Test
+  public void testMaxRowsWithFirstRowZero() {
+
+    ResetBasicData.reset();
+
+    Query<Order> query = Ebean.find(Order.class)
+      .setAutoTune(false)
+      .fetch("details")
+      .where().gt("details.id", 0)
+      .setMaxRows(3)
+      .setFirstRow(0);
+
+    query.findList();
+
+    String sql = query.getGeneratedSql();
+    boolean hasLimit = sql.contains("limit 3");
+    boolean hasOffset = sql.contains("offset");
+
+    if (isH2()) {
+      Assert.assertTrue(sql, hasLimit);
+      Assert.assertFalse(sql, hasOffset);
+    }
+  }
+
+  @Test
+  public void testDefaults() {
+    ResetBasicData.reset();
+
+    Query<Order> query = Ebean.find(Order.class)
+      .setAutoTune(false)
+      .fetch("details")
+      .where().gt("details.id", 0)
+      .query();
+
+    query.findList();
+
+    String sql = query.getGeneratedSql();
+    boolean hasLimit = sql.contains("limit");
+    boolean hasOffset = sql.contains("offset");
+
+    if (isH2()) {
+      Assert.assertFalse(hasLimit);
+      Assert.assertFalse(hasOffset);
+    }
+  }
+
+  private void rob() {
+    ResetBasicData.reset();
+
+    Query<Order> query = Ebean.find(Order.class)
+      .setAutoTune(false)
+      .fetch("details")
+      .where().gt("details.id", 0)
+      .setMaxRows(10);
+    //.findList();
+
+    List<Order> list = query.findList();
+
+    Assert.assertTrue("sz > 0", !list.isEmpty());
+
+    String sql = query.getGeneratedSql();
+    boolean hasDetailsJoin = sql.contains("join o_order_detail");
+    boolean hasLimit = sql.contains("limit 10");
+    boolean hasSelectedDetails = sql.contains("od.id,");
+    boolean hasDistinct = sql.contains("select distinct");
+
+    Assert.assertTrue(hasDetailsJoin);
+    Assert.assertFalse(hasSelectedDetails);
+    Assert.assertTrue(hasDistinct);
+    if (isH2()) {
+      Assert.assertTrue(hasLimit);
+    }
+
+    query = Ebean.find(Order.class)
+      .setAutoTune(false)
+      .fetch("details")
+      .setMaxRows(10);
+
+    query.findList();
+
+    sql = query.getGeneratedSql();
+    hasDetailsJoin = sql.contains("left join o_order_detail");
+    hasLimit = sql.contains("limit 10");
+    hasSelectedDetails = sql.contains("od.id");
+    hasDistinct = sql.contains("select distinct");
+
+    Assert.assertFalse("no join with maxRows", hasDetailsJoin);
+    Assert.assertFalse(hasSelectedDetails);
+    Assert.assertFalse(hasDistinct);
+    if (isH2()) {
+      Assert.assertTrue(hasLimit);
+    }
+  }
+}