[#1] Continue adding demo code: More kotlin demo code

jOOQ · May 3, 2022 · d091e0b · d091e0b
1 parent adb5b83
commit d091e0b
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Showing 16 changed files with 80 additions and 13 deletions.
diff --git a/...java/org/jooq/demo/java/AbstractDemo.java → ...test/java/org/jooq/demo/AbstractDemo.java b/...java/org/jooq/demo/java/AbstractDemo.java → ...test/java/org/jooq/demo/AbstractDemo.java
@@ -1,4 +1,4 @@
-package org.jooq.demo.java;
+package org.jooq.demo;
 
 import org.jooq.DSLContext;
 import org.jooq.SQLDialect;
@@ -30,7 +30,7 @@ public abstract class AbstractDemo {
     @Before
     public void setup() throws IOException, SQLException {
         Properties properties = new Properties();
-        properties.load(Demo01Querying.class.getResourceAsStream("/config.properties"));
+        properties.load(AbstractDemo.class.getResourceAsStream("/config.properties"));
         connection = DriverManager.getConnection(
             properties.getProperty("db.cockroachdb.url"),
             properties.getProperty("db.cockroachdb.username"),

diff --git a/src/src/test/java/org/jooq/demo/java/Demo01Querying.java b/src/src/test/java/org/jooq/demo/java/Demo01Querying.java
@@ -1,6 +1,7 @@
 package org.jooq.demo.java;
 
 import org.jooq.*;
+import org.jooq.demo.AbstractDemo;
 import org.jooq.demo.java.db.tables.Actor;
 import org.jooq.demo.java.db.tables.FilmActor;
 import org.jooq.demo.java.db.tables.records.ActorRecord;

diff --git a/src/src/test/java/org/jooq/demo/java/Demo02DynamicSQL.java b/src/src/test/java/org/jooq/demo/java/Demo02DynamicSQL.java
@@ -2,6 +2,7 @@
 
 import org.jetbrains.annotations.NotNull;
 import org.jooq.*;
+import org.jooq.demo.AbstractDemo;
 import org.jooq.demo.java.db.Tables;
 import org.jooq.impl.DSL;
 import org.junit.Test;

diff --git a/src/src/test/java/org/jooq/demo/java/Demo03Functions.java b/src/src/test/java/org/jooq/demo/java/Demo03Functions.java
@@ -2,6 +2,7 @@
 
 import org.jooq.Field;
 import org.jooq.WindowDefinition;
+import org.jooq.demo.AbstractDemo;
 import org.jooq.impl.DSL;
 import org.junit.Test;
 

diff --git a/src/src/test/java/org/jooq/demo/java/Demo04DML.java b/src/src/test/java/org/jooq/demo/java/Demo04DML.java
@@ -1,5 +1,6 @@
 package org.jooq.demo.java;
 
+import org.jooq.demo.AbstractDemo;
 import org.jooq.demo.java.db.tables.records.ActorRecord;
 import org.junit.After;
 import org.junit.Test;

diff --git a/src/src/test/java/org/jooq/demo/java/Demo05Batch.java b/src/src/test/java/org/jooq/demo/java/Demo05Batch.java
@@ -1,5 +1,6 @@
 package org.jooq.demo.java;
 
+import org.jooq.demo.AbstractDemo;
 import org.jooq.demo.java.db.tables.records.ActorRecord;
 import org.jooq.demo.java.db.Tables;
 import org.junit.After;

diff --git a/src/src/test/java/org/jooq/demo/java/Demo06Transactions.java b/src/src/test/java/org/jooq/demo/java/Demo06Transactions.java
@@ -1,5 +1,6 @@
 package org.jooq.demo.java;
 
+import org.jooq.demo.AbstractDemo;
 import org.jooq.demo.java.db.Tables;
 import org.junit.After;
 import org.junit.Test;

diff --git a/src/src/test/java/org/jooq/demo/java/Demo07Parser.java b/src/src/test/java/org/jooq/demo/java/Demo07Parser.java
@@ -3,6 +3,7 @@
 import org.jooq.Field;
 import org.jooq.ParseListener;
 import org.jooq.Select;
+import org.jooq.demo.AbstractDemo;
 import org.jooq.impl.DSL;
 import org.jooq.impl.ParserException;
 import org.junit.Test;

diff --git a/src/src/test/java/org/jooq/demo/java/Demo08ImportExport.java b/src/src/test/java/org/jooq/demo/java/Demo08ImportExport.java
@@ -1,16 +1,15 @@
 package org.jooq.demo.java;
 
 import org.jooq.*;
+import org.jooq.demo.AbstractDemo;
 import org.jooq.demo.java.db.tables.records.ActorRecord;
-import org.jooq.demo.java.db.Tables;
 import org.junit.After;
 import org.junit.Test;
 
 import java.io.IOException;
 import java.sql.Date;
 import java.sql.SQLException;
 
-import static org.jooq.Records.mapping;
 import static org.jooq.demo.java.db.Tables.ACTOR;
 import static org.jooq.demo.java.db.Tables.PAYMENT;
 import static org.jooq.impl.DSL.*;

diff --git a/src/src/test/kotlin/org/jooq/demo/kotlin/Demo01Querying.kt b/src/src/test/kotlin/org/jooq/demo/kotlin/Demo01Querying.kt
@@ -1,7 +1,7 @@
 package org.jooq.demo.kotlin
 
 import org.jooq.*
-import org.jooq.demo.java.AbstractDemo
+import org.jooq.demo.AbstractDemo
 import org.jooq.demo.kotlin.db.tables.references.*
 import org.jooq.impl.DSL
 import org.jooq.impl.DSL.*

diff --git a/src/src/test/kotlin/org/jooq/demo/kotlin/Demo02DynamicSQL.kt b/src/src/test/kotlin/org/jooq/demo/kotlin/Demo02DynamicSQL.kt
@@ -0,0 +1,64 @@
+package org.jooq.demo.kotlin
+
+import org.jooq.Condition
+import org.jooq.demo.AbstractDemo
+import org.jooq.demo.kotlin.db.tables.references.ACTOR
+import org.jooq.impl.DSL
+import org.jooq.impl.DSL.noCondition
+import org.junit.Test
+
+class Demo02DynamicSQL : AbstractDemo() {
+    @Test
+    fun testDynamicSQL() {
+        title("Every jOOQ query is a dynamic SQL query. You just don't see it")
+        ctx.select(ACTOR.FIRST_NAME, ACTOR.LAST_NAME)
+            .from(ACTOR)
+            .where(ACTOR.ACTOR_ID.`in`(1L, 2L, 3L))
+            .orderBy(ACTOR.FIRST_NAME)
+            .limit(5)
+            .fetch()
+
+        title("The above and the below are equivalent")
+        val select = listOf(ACTOR.FIRST_NAME, ACTOR.LAST_NAME)
+        val from = ACTOR
+        val where = ACTOR.ACTOR_ID.`in`(1L, 2L, 3L)
+        val orderBy = listOf(ACTOR.FIRST_NAME)
+        val limit = DSL.`val`(5)
+
+        ctx.select(select)
+            .from(from)
+            .where(where)
+            .orderBy(orderBy)
+            .limit(limit)
+            .fetch()
+
+        title("Any 'static' query part can be replaced by an expression, function call, etc.")
+        val ids = listOf(1, 2, 3)
+        ctx.select(ACTOR.FIRST_NAME, ACTOR.LAST_NAME)
+            .from(ACTOR)
+            .where(
+                if (ids.isEmpty())
+                    noCondition()
+                else
+                    ACTOR.ACTOR_ID.`in`(ids.map { it.toLong() }.map { DSL.value(it) }.toList())
+            )
+            .orderBy(ACTOR.FIRST_NAME)
+            .limit(5)
+            .fetch()
+    }
+
+    @Test
+    fun generateQueryParts() {
+        println(reduceCondition(listOf()))
+        println(reduceCondition(listOf(1)))
+        println(reduceCondition(listOf(1, 2, 3)))
+    }
+
+    private fun reduceCondition(ids: List<Int>): Condition {
+        title("List: $ids")
+        return ids
+            .map { it.toLong() }
+            .map { ACTOR.ACTOR_ID.eq(it) }
+            .fold(noCondition()) { c1: Condition, c2: Condition -> c1.or(c2) }
+    }
+}
diff --git a/src/src/test/kotlin/org/jooq/demo/kotlin/Demo03Functions.kt b/src/src/test/kotlin/org/jooq/demo/kotlin/Demo03Functions.kt
@@ -2,7 +2,7 @@ package org.jooq.demo.kotlin
 
 import org.jooq.Condition
 import org.jooq.Field
-import org.jooq.demo.java.AbstractDemo
+import org.jooq.demo.AbstractDemo
 import org.jooq.demo.kotlin.db.tables.references.*
 import org.jooq.impl.DSL
 import org.jooq.impl.DSL.*

diff --git a/src/src/test/kotlin/org/jooq/demo/kotlin/Demo04DML.kt b/src/src/test/kotlin/org/jooq/demo/kotlin/Demo04DML.kt
@@ -1,6 +1,6 @@
 package org.jooq.demo.kotlin
 
-import org.jooq.demo.java.AbstractDemo
+import org.jooq.demo.AbstractDemo
 import org.jooq.demo.kotlin.db.tables.references.*
 import org.junit.After
 import org.junit.Test

diff --git a/src/src/test/kotlin/org/jooq/demo/kotlin/Demo05Batch.kt b/src/src/test/kotlin/org/jooq/demo/kotlin/Demo05Batch.kt
@@ -1,7 +1,7 @@
 package org.jooq.demo.kotlin
 
 import org.jooq.Configuration
-import org.jooq.demo.java.AbstractDemo
+import org.jooq.demo.AbstractDemo
 import org.jooq.demo.kotlin.db.tables.references.*
 import org.junit.After
 import org.junit.Test

diff --git a/src/src/test/kotlin/org/jooq/demo/kotlin/Demo06Transactions.kt b/src/src/test/kotlin/org/jooq/demo/kotlin/Demo06Transactions.kt
@@ -1,7 +1,7 @@
 package org.jooq.demo.kotlin
 
 import org.jooq.Configuration
-import org.jooq.demo.java.AbstractDemo
+import org.jooq.demo.AbstractDemo
 import org.jooq.demo.kotlin.db.tables.references.*
 import org.junit.After
 import org.junit.Test

diff --git a/src/src/test/kotlin/org/jooq/demo/kotlin/Demo07Parser.kt b/src/src/test/kotlin/org/jooq/demo/kotlin/Demo07Parser.kt
@@ -1,14 +1,11 @@
 package org.jooq.demo.kotlin
 
-import org.jooq.AggregateFunction
 import org.jooq.Field
-import org.jooq.ParseContext
 import org.jooq.ParseListener
-import org.jooq.demo.java.AbstractDemo
+import org.jooq.demo.AbstractDemo
 import org.jooq.impl.DSL
 import org.jooq.impl.ParserException
 import org.junit.Test
-import java.sql.SQLException
 
 class Demo07Parser : AbstractDemo() {