Added MySQL functionality

resources/sql/CountAllFieldsTask.sql

@@ -0,0 +1 @@
+SELECT COUNT(*) AS total FROM Task

resources/sql/CountAllFieldsWorker.sql

@@ -0,0 +1 @@
+SELECT COUNT(*) AS total FROM Worker

resources/sql/SelectAllTask.sql

@@ -0,0 +1 @@
+SELECT * FROM Task

resources/sql/SelectAllWorker.sql

@@ -0,0 +1 @@
+SELECT * FROM Worker

resources/sql/SelectTaskById.sql

@@ -0,0 +1 @@
+SELECT * FROM Task WHERE taskid = ? LIMIT 1

resources/sql/SelectWorkerById.sql

@@ -0,0 +1 @@
+SELECT * FROM Worker WHERE workerid = ? LIMIT 1

resources/sql/UpdateWorkerTable.sql

@@ -0,0 +1 @@
+UPDATE Worker SET workerid = ?, name = ? WHERE workerid = ?

resources/sql/createTaskTable.sql

@@ -4,5 +4,5 @@ CREATE TABLE Task (
     name VARCHAR(255) NOT NULL,
     description TEXT,
     workerid INT,
-    taskstate INT
+    taskstate BIT
 );