From 09fef5b38c1749033a436cdb01a1655e3880d559 Mon Sep 17 00:00:00 2001
From: Eric <biederteric.eb@gmail.com>
Date: Sun, 29 Jul 2018 12:27:24 +0200
Subject: [PATCH] Remove database migration from old versions

---
 .../de/epiceric/shopchest/sql/Database.java   | 58 ++-----------------
 1 file changed, 6 insertions(+), 52 deletions(-)

diff --git a/src/main/java/de/epiceric/shopchest/sql/Database.java b/src/main/java/de/epiceric/shopchest/sql/Database.java
index 6e9b77e..1248f45 100644
--- a/src/main/java/de/epiceric/shopchest/sql/Database.java
+++ b/src/main/java/de/epiceric/shopchest/sql/Database.java
@@ -94,66 +94,20 @@ public abstract class Database {
                                     "time LONG NOT NULL" +
                                     ")";
 
-                    String queryCheckIfTableExists =
-                            (Database.this instanceof SQLite ?
-                                    "SELECT name FROM sqlite_master WHERE type='table' AND name='shop_list'" :
-                                    "SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='shop_list'");
-
-                    String queryCheckIfBackupTableExists =
-                            (Database.this instanceof SQLite ?
-                                    "SELECT name FROM sqlite_master WHERE type='table' AND name='shop_list_old'" :
-                                    "SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='shop_list_old'");
-
-                    String queryCopyTableShopList = "INSERT INTO shops (vendor,product,world,x,y,z,buyprice,sellprice,shoptype) SELECT vendor,product,world,x,y,z,buyprice,sellprice,shoptype FROM shop_list";
-                    String queryRenameTableShopList = "ALTER TABLE shop_list RENAME TO shop_list_old";
-
                     // Create table "shops"
                     Statement s = connection.createStatement();
                     s.executeUpdate(queryCreateTableShopList);
                     s.close();
 
-                    // Check if old table "shop_list" exists
-                    Statement s2 = connection.createStatement();
-                    ResultSet rs = s2.executeQuery(queryCheckIfTableExists);
-
-                    if (rs.next()) {
-                        plugin.debug("Table 'shop_list' exists");
-
-                        // Check if backup table "shop_list_old" already exists
-                        Statement s3 = connection.createStatement();
-                        ResultSet rs2 = s3.executeQuery(queryCheckIfBackupTableExists);
-
-                        if (rs2.next()) {
-                            plugin.debug("Backup table 'shop_list_old' already exists: Cannot backup current table");
-                        } else {
-                            plugin.debug("Backing up old table");
-
-                            // Table exists: Copy contents to new table
-                            PreparedStatement ps = connection.prepareStatement(queryCopyTableShopList);
-                            ps.executeUpdate();
-                            ps.close();
-
-                            plugin.debug("Renaming table");
-                            // Rename/Backup old table
-                            PreparedStatement ps2 = connection.prepareStatement(queryRenameTableShopList);
-                            ps2.executeUpdate();
-                            ps2.close();
-                        }
-
-                        close(s3, rs2);
-                    }
-
-                    close(s2, rs);
-
                     // Create table "shop_log"
-                    Statement s3 = connection.createStatement();
-                    s3.executeUpdate(queryCreateTableShopLog);
-                    s3.close();
+                    Statement s2 = connection.createStatement();
+                    s2.executeUpdate(queryCreateTableShopLog);
+                    s2.close();
 
                     // Create table "player_logout"
-                    Statement s4 = connection.createStatement();
-                    s4.executeUpdate(queryCreateTablePlayerLogout);
-                    s4.close();
+                    Statement s3 = connection.createStatement();
+                    s3.executeUpdate(queryCreateTablePlayerLogout);
+                    s3.close();
 
                     // Clean up economy log
                     if (Config.cleanupEconomyLogDays > 0) {