Refactor imports and add new data exploration tasks.

Updated the notebook imports to use cleaner, block-style syntax and added new exploration tasks for IMDb data, including querying and visualizing actor popularity and movie rankings by genre and year. This enhances readability and supports interactive data analysis.

Author: zaleslaw

build.gradle.kts

@@ -2,7 +2,7 @@ import java.util.*
 
 plugins {
     kotlin("jvm") version "2.0.0"
-    id("org.jetbrains.kotlinx.dataframe") version "0.14.1"
+    id("org.jetbrains.kotlinx.dataframe") version "0.15.0-RC3"
 }
 
 group = "org.jetbrains.kotlinx.dataframe.examples"
@@ -13,10 +13,12 @@ repositories {
 }
 
 dependencies {
-    implementation ("org.jetbrains.kotlinx:dataframe:0.14.1")
-    implementation ("org.jetbrains.kotlinx:kandy-lets-plot:0.7.0")
-    implementation ("org.jetbrains.kotlinx:kandy-api:0.7.0")
+    implementation ("org.jetbrains.kotlinx:dataframe:0.15.0-RC3")
+    implementation ("org.jetbrains.kotlinx:kandy-lets-plot:0.7.1")
+    implementation ("org.jetbrains.kotlinx:kandy-api:0.7.1")
     implementation ("org.mariadb.jdbc:mariadb-java-client:3.1.4")
+    implementation ("org.hsqldb:hsqldb:2.7.3")
+
     testImplementation(kotlin("test"))
 }
 
@@ -26,7 +28,7 @@ file("local.properties").inputStream().use { props.load(it) }
 
 dataframes {
     schema {
-        data = "jdbc:mariadb://localhost:3306/imdb"
+        data = "jdbc:mariadb://localhost:3307/imdb"
         name = "org.jetbrains.kotlinx.dataframe.examples.jdbc.Actors"
         jdbcOptions {
             user = props.getProperty("db.user")
@@ -35,7 +37,7 @@ dataframes {
         }
     }
     schema {
-        data = "jdbc:mariadb://localhost:3306/imdb"
+        data = "jdbc:mariadb://localhost:3307/imdb"
         name = "org.jetbrains.kotlinx.dataframe.examples.jdbc.TarantinoFilms"
         jdbcOptions {
             user = System.getenv("DB_USER") ?: props.getProperty("db.user")

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Thu Jan 18 12:11:25 CET 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists