From abdd57ac0c11bfd415b0d055efcd9ddf0241c4be Mon Sep 17 00:00:00 2001
From: Dennis Eisold <de@itstall.de>
Date: Thu, 21 Nov 2019 12:52:34 +0100
Subject: [PATCH] Fixed Database
---
pom.xml | 19 +-
.../java/de/telefonbuch/model/Datenbank.java | 268 +++++++-----------
uebung25telefonbuch.iml | 2 -
3 files changed, 115 insertions(+), 174 deletions(-)
delete mode 100644 uebung25telefonbuch.iml
diff --git a/pom.xml b/pom.xml
index 865c285..a3eb17e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,26 +1,27 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
- <groupId>de.itstall</groupId>
+ <groupId>de.telefonbuch</groupId>
<artifactId>uebung25telefonbuch</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- <maven.compiler.source>11</maven.compiler.source>
- <maven.compiler.target>11</maven.compiler.target>
+ <maven.compiler.source>12</maven.compiler.source>
+ <maven.compiler.target>12</maven.compiler.target>
+ <maven.compiler.release>12</maven.compiler.release>
+ <javafx.version>12.0.2</javafx.version>
</properties>
<dependencies>
<dependency>
<groupId>org.openjfx</groupId>
<artifactId>javafx-controls</artifactId>
- <version>11.0.2</version>
+ <version>${javafx.version}</version>
</dependency>
<dependency>
<groupId>org.openjfx</groupId>
<artifactId>javafx-fxml</artifactId>
- <version>11.0.2</version>
+ <version>${javafx.version}</version>
</dependency>
- <!-- https://mvnrepository.com/artifact/org.xerial/sqlite-jdbc -->
<dependency>
<groupId>org.xerial</groupId>
<artifactId>sqlite-jdbc</artifactId>
@@ -38,15 +39,15 @@
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
- <version>3.8.0</version>
+ <version>3.8.1</version>
<configuration>
- <release>11</release>
+ <release>${maven.compiler.release}</release>
</configuration>
</plugin>
<plugin>
<groupId>org.openjfx</groupId>
<artifactId>javafx-maven-plugin</artifactId>
- <version>0.0.1</version>
+ <version>0.0.3</version>
<configuration>
<mainClass>de.telefonbuch.App</mainClass>
</configuration>
diff --git a/src/main/java/de/telefonbuch/model/Datenbank.java b/src/main/java/de/telefonbuch/model/Datenbank.java
index f7520b1..9e9d3d6 100644
--- a/src/main/java/de/telefonbuch/model/Datenbank.java
+++ b/src/main/java/de/telefonbuch/model/Datenbank.java
@@ -1,10 +1,11 @@
package de.telefonbuch.model;
import org.jetbrains.annotations.NotNull;
-
import java.sql.*;
public class Datenbank {
+ private final String VIEW_KONTAKTE = "telefonbuch";
+ private final String TABLE_KONTAKTE = "table_kontakte";
private Connection con;
@@ -23,158 +24,99 @@ public class Datenbank {
new Fehler().debug(this.getClass().getName() + "." + new Throwable().getStackTrace()[0].getMethodName(), true, 1);
Statement stmt = this.con.createStatement();
- String createTable, createTrigger, createView;
-
- createTable = "CREATE TABLE IF NOT EXISTS \"table_vorname\" (" +
- "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
- "vorname VARCHAR(50) NOT NULL " +
- ");";
- stmt.execute(createTable);
- createTable = "CREATE TABLE IF NOT EXISTS \"table_nachname\" (" +
- "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
- "nachname VARCHAR(50) NOT NULL " +
- ");";
- stmt.execute(createTable);
- createTable = "CREATE TABLE IF NOT EXISTS \"table_strasse\" (" +
- "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
- "strasse VARCHAR(50) NOT NULL " +
- ");";
- stmt.execute(createTable);
- createTable = "CREATE TABLE IF NOT EXISTS \"table_hnr\" (" +
- "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
- "hnr VARCHAR(10) NOT NULL " +
- ");";
- stmt.execute(createTable);
- createTable = "CREATE TABLE IF NOT EXISTS \"table_plz\" (" +
- "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
- "plz VARCHAR(5) NOT NULL " +
- ");";
- stmt.execute(createTable);
- createTable = "CREATE TABLE IF NOT EXISTS \"table_ort\" (" +
- "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL ," +
- "ort VARCHAR(50) NOT NULL " +
- ");";
- stmt.execute(createTable);
- createTable = "CREATE TABLE IF NOT EXISTS \"table_telefon\" (" +
- "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
- "telefon VARCHAR(30) NOT NULL " +
- ");";
- stmt.execute(createTable);
-
- createTable = "CREATE TABLE IF NOT EXISTS \"table_kontakte\" (\n" +
- " vorname VARCHAR,\n" +
- " nachname VARCHAR,\n" +
- " strasse VARCHAR,\n" +
- " hnr VARCHAR,\n" +
- " plz VARCHAR,\n" +
- " ort VARCHAR,\n" +
- " telefon VARCHAR,\n" +
- " FOREIGN KEY(vorname) REFERENCES table_vorname(vorname),\n" +
- " FOREIGN KEY(nachname) REFERENCES table_nachname(nachname),\n" +
- " FOREIGN KEY(strasse) REFERENCES table_strasse(strasse),\n" +
- " FOREIGN KEY(hnr) REFERENCES table_hnr(hnr),\n" +
- " FOREIGN KEY(plz) REFERENCES table_plz(plz),\n" +
- " FOREIGN KEY(ort) REFERENCES table_ort(ort),\n" +
- " FOREIGN KEY(telefon) REFERENCES table_telefon(telefon)\n" +
- ");";
- stmt.execute(createTable);
-
- createView = "CREATE VIEW IF NOT EXISTS \"view_kontakte\" AS " +
- " SELECT" +
- " table_vorname.vorname, " +
- " table_nachname.nachname, " +
- " table_strasse.strasse, " +
- " table_hnr.hnr, " +
- " table_plz.plz, " +
- " table_ort.ort, " +
- " table_telefon.telefon " +
- " FROM table_kontakte " +
- " INNER JOIN table_vorname ON table_kontakte.vorname = table_vorname.id" +
- " INNER JOIN table_nachname ON table_kontakte.nachname = table_nachname.id" +
- " INNER JOIN table_strasse ON table_kontakte.strasse = table_strasse.id" +
- " INNER JOIN table_hnr ON table_kontakte.hnr = table_hnr.id" +
- " INNER JOIN table_plz ON table_kontakte.plz = table_plz.id" +
- " INNER JOIN table_ort ON table_kontakte.ort = table_ort.id" +
- " INNER JOIN table_telefon ON table_kontakte.telefon = table_telefon.id;";
- stmt.execute(createView);
-
- createTrigger = "CREATE TRIGGER IF NOT EXISTS view_kontakte_INS\n" +
- "INSTEAD OF INSERT ON view_kontakte FOR EACH ROW\n" +
- "BEGIN\n" +
- " INSERT INTO table_vorname (vorname) SELECT NEW.vorname WHERE NOT EXISTS (SELECT 1 FROM table_vorname WHERE vorname = NEW.vorname);\n" +
- " INSERT INTO table_nachname (nachname) SELECT NEW.nachname WHERE NOT EXISTS (SELECT 1 FROM table_nachname WHERE nachname = NEW.nachname);\n" +
- " INSERT INTO table_strasse (strasse) SELECT NEW.strasse WHERE NOT EXISTS (SELECT 1 FROM table_strasse WHERE strasse = NEW.strasse);\n" +
- " INSERT INTO table_hnr (hnr) SELECT NEW.hnr WHERE NOT EXISTS (SELECT 1 FROM table_hnr WHERE hnr = NEW.hnr);\n" +
- " INSERT INTO table_plz (plz) SELECT NEW.plz WHERE NOT EXISTS (SELECT 1 FROM table_plz WHERE plz = NEW.plz);\n" +
- " INSERT INTO table_ort (ort) SELECT NEW.ort WHERE NOT EXISTS (SELECT 1 FROM table_ort WHERE ort = NEW.ort);\n" +
- " INSERT INTO table_telefon (telefon) SELECT NEW.telefon WHERE NOT EXISTS (SELECT 1 FROM table_telefon WHERE telefon = NEW.telefon);\n" +
- " INSERT INTO table_kontakte (vorname, nachname, strasse, hnr, plz, ort, telefon)\n" +
- " SELECT\n" +
- " (SELECT id FROM table_vorname WHERE vorname = NEW.vorname),\n" +
- " (SELECT id FROM table_nachname WHERE nachname = NEW.nachname),\n" +
- " (SELECT id FROM table_strasse WHERE strasse = NEW.strasse),\n" +
- " (SELECT id FROM table_hnr WHERE hnr = NEW.hnr),\n" +
- " (SELECT id FROM table_plz WHERE plz = NEW.plz),\n" +
- " (SELECT id FROM table_ort WHERE ort = NEW.ort),\n" +
- " (SELECT id FROM table_telefon WHERE telefon = NEW.telefon);\n" +
- "END;";
- stmt.execute(createTrigger);
-
- createTrigger = "CREATE TRIGGER IF NOT EXISTS view_kontakte_DEL " +
- " INSTEAD OF DELETE ON view_kontakte FOR EACH ROW " +
- " BEGIN " +
- " DELETE FROM table_kontakte" +
- " WHERE vorname.id = (SELECT id FROM table_vorname WHERE vorname = OLD.vorname)" +
- " AND nachname.id = (SELECT id FROM table_nachname WHERE nachname = OLD.nachname)" +
- " AND strasse.id = (SELECT id FROM table_strasse WHERE strasse = OLD.strasse)" +
- " AND hnr.id = (SELECT id FROM table_hnr WHERE hnr = OLD.hnr)" +
- " AND plz.id = (SELECT id FROM table_plz WHERE plz = OLD.plz)" +
- " AND ort.id = (SELECT id FROM table_ort WHERE ort = OLD.ort)" +
- " AND telefon.id = (SELECT id FROM table_telefon WHERE telefon = OLD.telefon); " +
- " DELETE FROM table_vorname WHERE id NOT IN (SELECT vorname.id FROM table_kontakte);" +
- " DELETE FROM table_nachname WHERE id NOT IN (SELECT nachname.id FROM table_kontakte);" +
- " DELETE FROM table_strasse WHERE id NOT IN (SELECT strasse.id FROM table_kontakte);" +
- " DELETE FROM table_hnr WHERE id NOT IN (SELECT hnr.id FROM table_kontakte);" +
- " DELETE FROM table_plz WHERE id NOT IN (SELECT plz.id FROM table_kontakte);" +
- " DELETE FROM table_ort WHERE id NOT IN (SELECT ort.id FROM table_kontakte);" +
- " DELETE FROM table_telefon WHERE id NOT IN (SELECT telefon.id FROM table_kontakte);" +
- " END;";
- stmt.execute(createTrigger);
-
- createTrigger = "CREATE TRIGGER IF NOT EXISTS view_kontakte_UPD " +
- " INSTEAD OF UPDATE ON view_kontakte FOR EACH ROW " +
- " BEGIN " +
- " INSERT INTO table_vorname (vorname) SELECT NEW.vorname WHERE NOT EXISTS (SELECT 1 FROM table_vorname WHERE vorname = NEW.vorname);" +
- " INSERT INTO table_nachname (nachname) SELECT NEW.nachname WHERE NOT EXISTS (SELECT 1 FROM table_nachname WHERE nachname = NEW.nachname);" +
- " INSERT INTO table_strasse (strasse) SELECT NEW.strasse WHERE NOT EXISTS (SELECT 1 FROM table_strasse WHERE strasse = NEW.strasse);" +
- " INSERT INTO table_hnr (hnr) SELECT NEW.hnr WHERE NOT EXISTS (SELECT 1 FROM table_hnr WHERE hnr = NEW.hnr);" +
- " INSERT INTO table_plz (plz) SELECT NEW.plz WHERE NOT EXISTS (SELECT 1 FROM table_plz WHERE plz = NEW.plz);" +
- " INSERT INTO table_ort (ort) SELECT NEW.ort WHERE NOT EXISTS (SELECT 1 FROM table_ort WHERE ort = NEW.ort);" +
- " INSERT INTO table_telefon (telefon) SELECT NEW.telefon WHERE NOT EXISTS (SELECT 1 FROM table_telefon WHERE telefon = NEW.telefon);" +
- " UPDATE table_kontakte SET" +
- " vorname = (SELECT id FROM table_vorname WHERE vorname = NEW.vorname), " +
- " nachname = (SELECT id FROM table_nachname WHERE nachname = NEW.nachname), " +
- " strasse = (SELECT id FROM table_strasse WHERE strasse = NEW.strasse), " +
- " hnr = (SELECT id FROM table_hnr WHERE hnr = NEW.hnr), " +
- " plz = (SELECT id FROM table_plz WHERE plz = NEW.plz), " +
- " ort = (SELECT id FROM table_ort WHERE ort = NEW.ort), " +
- " telefon = (SELECT id FROM table_telefon WHERE telefon = NEW.telefon) " +
- " WHERE vorname = (SELECT id FROM table_vorname WHERE vorname = OLD.vorname) " +
- " AND nachname = (SELECT id FROM table_nachname WHERE nachname = OLD.nachname)" +
- " AND strasse = (SELECT id FROM table_strasse WHERE strasse = OLD.strasse)" +
- " AND hnr = (SELECT id FROM table_hnr WHERE hnr = OLD.hnr)" +
- " AND plz = (SELECT id FROM table_plz WHERE plz = OLD.plz)" +
- " AND ort = (SELECT id FROM table_ort WHERE ort = OLD.ort)" +
- " AND telefon = (SELECT id FROM table_telefon WHERE telefon = OLD.telefon);" +
- " DELETE FROM table_vorname WHERE vorname NOT IN (SELECT id FROM table_kontakte);" +
- " DELETE FROM table_nachname WHERE nachname NOT IN (SELECT id FROM table_kontakte);" +
- " DELETE FROM table_strasse WHERE strasse NOT IN (SELECT id FROM table_kontakte);" +
- " DELETE FROM table_hnr WHERE hnr NOT IN (SELECT id FROM table_kontakte);" +
- " DELETE FROM table_plz WHERE plz NOT IN (SELECT id FROM table_kontakte);" +
- " DELETE FROM table_ort WHERE ort NOT IN (SELECT id FROM table_kontakte);" +
- " DELETE FROM table_telefon WHERE telefon NOT IN (SELECT id FROM table_kontakte);" +
- "END;";
- stmt.execute(createTrigger);
+ String sql;
+
+ sql = "CREATE TABLE IF NOT EXISTS \"table_vorname\" (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, vorname VARCHAR(50) NOT NULL UNIQUE);";
+ stmt.execute(sql);
+ sql = "CREATE TABLE IF NOT EXISTS \"table_nachname\" (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, nachname VARCHAR(50) NOT NULL UNIQUE);";
+ stmt.execute(sql);
+ sql = "CREATE TABLE IF NOT EXISTS \"table_strasse\" (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, strasse VARCHAR(50) NOT NULL UNIQUE);";
+ stmt.execute(sql);
+ sql = "CREATE TABLE IF NOT EXISTS \"table_hnr\" (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, hnr VARCHAR(15) NOT NULL UNIQUE);";
+ stmt.execute(sql);
+ sql = "CREATE TABLE IF NOT EXISTS \"table_plz\" (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, plz CHAR(5) NOT NULL UNIQUE);";
+ stmt.execute(sql);
+ sql = "CREATE TABLE IF NOT EXISTS \"table_ort\" (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, ort VARCHAR(50) NOT NULL UNIQUE);";
+ stmt.execute(sql);
+ sql ="CREATE TABLE IF NOT EXISTS \"table_telefonbuch\" ( " +
+ " id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
+ " vorname_id INTEGER NOT NULL, " +
+ " nachname_id INTEGER NOT NULL, " +
+ " strasse_id INTEGER NOT NULL, " +
+ " hnr_id INTEGER NOT NULL, " +
+ " plz_id INTEGER NOT NULL, " +
+ " ort_id INTEGER NOT NULL, " +
+ " telefon VARCHAR(30) NOT NULL UNIQUE," +
+ " FOREIGN KEY (vorname_id) REFERENCES table_vorname(id), " +
+ " FOREIGN KEY (nachname_id) REFERENCES table_nachname(id), " +
+ " FOREIGN KEY (strasse_id) REFERENCES table_strasse(id), " +
+ " FOREIGN KEY (hnr_id) REFERENCES table_hnr(id), " +
+ " FOREIGN KEY (plz_id) REFERENCES table_plz(id), " +
+ " FOREIGN KEY (ort_id) REFERENCES table_ort(id)" +
+ " );";
+ stmt.execute(sql);
+
+ sql = "CREATE VIEW IF NOT EXISTS telefonbuch AS " +
+ " SELECT v.vorname AS vorname, " +
+ " n.nachname AS nachname, " +
+ " s.strasse AS strasse, " +
+ " h.hnr AS hnr, " +
+ " p.plz AS plz, " +
+ " o.ort AS ort, " +
+ " t.telefon AS telefon " +
+ " FROM table_telefonbuch t " +
+ " INNER JOIN table_vorname v ON t.vorname_id = v.id " +
+ " INNER JOIN table_nachname n ON t.nachname_id = n.id " +
+ " INNER JOIN table_strasse s ON t.strasse_id = s.id " +
+ " INNER JOIN table_hnr h ON t.hnr_id = h.id " +
+ " INNER JOIN table_plz p ON t.plz_id = p.id " +
+ " INNER JOIN table_ort o ON t.ort_id = o.id;";
+ stmt.execute(sql);
+
+ sql = "PRAGMA foreign_keys = ON;";
+ stmt.execute(sql);
+
+ sql = "CREATE TRIGGER IF NOT EXISTS Telefonbuch_INS INSTEAD OF INSERT ON telefonbuch FOR EACH ROW\n" +
+ " BEGIN\n" +
+ " INSERT INTO table_vorname (vorname) SELECT NEW.vorname WHERE NOT EXISTS (SELECT 1 FROM table_vorname WHERE vorname = NEW.vorname);\n" +
+ " INSERT INTO table_nachname (nachname) SELECT NEW.nachname WHERE NOT EXISTS (SELECT 1 FROM table_nachname WHERE nachname = NEW.nachname);\n" +
+ " INSERT INTO table_strasse (strasse) SELECT NEW.strasse WHERE NOT EXISTS (SELECT 1 FROM table_strasse WHERE strasse = NEW.strasse);\n" +
+ " INSERT INTO table_hnr (hnr) SELECT NEW.hnr WHERE NOT EXISTS (SELECT 1 FROM table_hnr WHERE hnr = NEW.hnr);\n" +
+ " INSERT INTO table_plz (plz) SELECT NEW.plz WHERE NOT EXISTS (SELECT 1 FROM table_plz WHERE plz = NEW.plz);\n" +
+ " INSERT INTO table_ort (ort) SELECT NEW.ort WHERE NOT EXISTS (SELECT 1 FROM table_ort WHERE ort = NEW.ort);\n" +
+ " INSERT INTO table_telefonbuch (vorname_id, nachname_id, strasse_id, hnr_id, plz_id, ort_id, telefon) SELECT (SELECT id FROM table_vorname WHERE vorname = NEW.vorname), (SELECT id FROM table_nachname WHERE nachname = NEW.nachname), (SELECT id FROM table_strasse WHERE strasse = NEW.strasse), (SELECT id FROM table_hnr WHERE hnr = NEW.hnr), (SELECT id FROM table_plz WHERE plz = NEW.plz), (SELECT id FROM table_ort WHERE ort = NEW.ort), NEW.telefon;\n" +
+ " END;";
+ stmt.execute(sql);
+
+ sql = "CREATE TRIGGER IF NOT EXISTS Telefonbuch_DEL INSTEAD OF DELETE ON telefonbuch FOR EACH ROW\n" +
+ " BEGIN\n" +
+ " DELETE FROM table_telefonbuch WHERE telefon = OLD.telefon;\n" +
+ " DELETE FROM table_vorname WHERE id NOT IN (SELECT vorname_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_nachname WHERE id NOT IN (SELECT nachname_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_strasse WHERE id NOT IN (SELECT strasse_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_hnr WHERE id NOT IN (SELECT hnr_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_plz WHERE id NOT IN (SELECT plz_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_ort WHERE id NOT IN (SELECT ort_id FROM table_telefonbuch);\n" +
+ " END;";
+ stmt.execute(sql);
+
+ sql = "CREATE TRIGGER IF NOT EXISTS Telefonbuch_UPD INSTEAD OF UPDATE ON telefonbuch FOR EACH ROW\n" +
+ " BEGIN\n" +
+ " INSERT INTO table_vorname (vorname) SELECT NEW.vorname WHERE NOT EXISTS (SELECT 1 FROM table_vorname WHERE vorname = NEW.vorname);\n" +
+ " INSERT INTO table_nachname (nachname) SELECT NEW.nachname WHERE NOT EXISTS (SELECT 1 FROM table_nachname WHERE nachname = NEW.nachname);\n" +
+ " INSERT INTO table_strasse (strasse) SELECT NEW.strasse WHERE NOT EXISTS (SELECT 1 FROM table_strasse WHERE strasse = NEW.strasse);\n" +
+ " INSERT INTO table_hnr (hnr) SELECT NEW.hnr WHERE NOT EXISTS (SELECT 1 FROM table_hnr WHERE hnr = NEW.hnr);\n" +
+ " INSERT INTO table_plz (plz) SELECT NEW.plz WHERE NOT EXISTS (SELECT 1 FROM table_plz WHERE plz = NEW.plz);\n" +
+ " INSERT INTO table_ort (ort) SELECT NEW.ort WHERE NOT EXISTS (SELECT 1 FROM table_ort WHERE ort = NEW.ort);\n" +
+ " UPDATE table_telefonbuch SET vorname_id = (SELECT id FROM table_vorname WHERE vorname = NEW.vorname), nachname_id = (SELECT id FROM table_nachname WHERE nachname = NEW.nachname), strasse_id = (SELECT id FROM table_strasse WHERE strasse = NEW.strasse), hnr_id = (SELECT id FROM table_hnr WHERE hnr = NEW.hnr), plz_id = (SELECT id FROM table_plz WHERE plz = NEW.plz), ort_id = (SELECT id FROM table_ort WHERE ort = NEW.ort), telefon = NEW.telefon WHERE telefon = OLD.telefon;\n" +
+ " DELETE FROM table_vorname WHERE id NOT IN (SELECT vorname_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_nachname WHERE id NOT IN (SELECT nachname_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_strasse WHERE id NOT IN (SELECT strasse_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_hnr WHERE id NOT IN (SELECT hnr_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_plz WHERE id NOT IN (SELECT plz_id FROM table_telefonbuch);\n" +
+ " DELETE FROM table_ort WHERE id NOT IN (SELECT ort_id FROM table_telefonbuch);\n" +
+ " END;";
+ stmt.execute(sql);
}
/**
@@ -195,7 +137,7 @@ public class Datenbank {
try {
Statement stmt = this.con.createStatement();
- String checkKontakt = "SELECT telefon FROM view_kontakte WHERE telefon=\"" + kontakt.getId() + "\";";
+ String checkKontakt = "SELECT telefon FROM " + VIEW_KONTAKTE + " WHERE telefon=\"" + kontakt.getId() + "\";";
ResultSet checkResult = stmt.executeQuery(checkKontakt);
int rows = 0;
@@ -208,7 +150,7 @@ public class Datenbank {
if (rows == 1) {
new Fehler().debug("Updating contact", false);
- insertKontakt = "UPDATE view_kontakte SET " +
+ insertKontakt = "UPDATE " + VIEW_KONTAKTE + " SET " +
"vorname=\"" + kontakt.getVorname() + "\", " +
"nachname=\"" + kontakt.getNachname() + "\", " +
"strasse=\"" + kontakt.getStrasse() + "\", " +
@@ -220,7 +162,7 @@ public class Datenbank {
} else {
new Fehler().debug("Insert new contact", false);
- insertKontakt = "INSERT INTO view_kontakte (vorname, nachname, strasse, hnr, plz, ort, telefon) VALUES (" +
+ insertKontakt = "INSERT INTO " + VIEW_KONTAKTE + " (vorname, nachname, strasse, hnr, plz, ort, telefon) VALUES (" +
"\"" + kontakt.getVorname() + "\", " +
"\"" + kontakt.getNachname() + "\", " +
"\"" + kontakt.getStrasse() + "\", " +
@@ -244,7 +186,7 @@ public class Datenbank {
try {
Statement stmt = this.con.createStatement();
- String sql = " DELETE FROM view_kontakte" +
+ String sql = " DELETE FROM " + VIEW_KONTAKTE + "" +
" WHERE telefon=\"" + telefon + "\";";
stmt.execute(sql);
@@ -264,11 +206,11 @@ public class Datenbank {
if (telefon.equals("first")) {
sql = "SELECT * " +
- "FROM view_kontakte " +
+ "FROM " + VIEW_KONTAKTE + " " +
"LIMIT 1;";
} else {
sql = "SELECT * " +
- "FROM view_kontakte " +
+ "FROM " + VIEW_KONTAKTE + " " +
"WHERE telefon=\"" + telefon + "\";";
}
ResultSet rs = stmt.executeQuery(sql);
@@ -307,7 +249,7 @@ public class Datenbank {
" CASE " +
" WHEN LAG(telefon) OVER (ORDER BY nachname) IS NULL THEN ( " +
" SELECT telefon " +
- " FROM view_kontakte " +
+ " FROM " + VIEW_KONTAKTE + " " +
" ORDER BY nachname DESC " +
" LIMIT 1 " +
" ) " +
@@ -317,13 +259,13 @@ public class Datenbank {
" CASE " +
" WHEN LEAD(telefon) OVER (ORDER BY nachname) IS NULL THEN ( " +
" SELECT telefon " +
- " FROM view_kontakte " +
+ " FROM " + VIEW_KONTAKTE + " " +
" ORDER BY nachname ASC " +
" LIMIT 1 " +
" ) " +
" ELSE LEAD(telefon) OVER (ORDER BY nachname) " +
" END next " +
- "FROM view_kontakte " +
+ "FROM " + VIEW_KONTAKTE + " " +
"ORDER BY nachname ASC;";
ResultSet rs = stmt.executeQuery(sql);
@@ -351,7 +293,7 @@ public class Datenbank {
Statement stmt = this.con.createStatement();
String sql = " SELECT COUNT(*) AS count" +
- " FROM view_kontakte;";
+ " FROM " + VIEW_KONTAKTE + ";";
ResultSet rs = stmt.executeQuery(sql);
intResult = rs.getInt("count");
diff --git a/uebung25telefonbuch.iml b/uebung25telefonbuch.iml
deleted file mode 100644
index 78b2cc5..0000000
--- a/uebung25telefonbuch.iml
+++ /dev/null
@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4" />
\ No newline at end of file
--
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