Added production characteristics migration file

database/migrations/2025_09_11_133311_create_product_characteristics_masters_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+
+    public function up(): void
+    {
+        $sql = <<<'SQL'
+            CREATE TABLE product_characteristics_masters(
+                id					               	BIGINT GENERATED always AS IDENTITY PRIMARY KEY,
+                plant_id 							BIGINT NOT NULL,
+                item_id							    BIGINT NOT NULL,
+                line_id								BIGINT DEFAULT NULL,
+                work_group_master_id                BIGINT DEFAULT NULL,
+                machine_id							BIGINT DEFAULT NULL,
+                name								TEXT DEFAULT NULL,
+                inspection_type                     TEXT DEFAULT NULL,
+                characteristics_type                TEXT DEFAULT NULL
+                upper								DOUBLE PRECISION DEFAULT 0.0,
+                lower								DOUBLE PRECISION DEFAULT 0.0,
+                middle								DOUBLE PRECISION DEFAULT NULL,
+                created_at							TIMESTAMP NOT NULL DEFAULT NOW(),
+                updated_at							TIMESTAMP NOT NULL DEFAULT NOW(),
+                created_by							TEXT DEFAULT NULL,
+                updated_by							TEXT DEFAULT NULL,
+                deleted_at			                TIMESTAMP,
+
+                FOREIGN KEY (plant_id)              REFERENCES  plants (id),
+                FOREIGN KEY (line_id)              	REFERENCES  lines (id),
+                FOREIGN KEY (item_id)               REFERENCES  items(id),
+                FOREIGN KEY (work_group_master_id)  REFERENCES  work_group_masters(id),
+                FOREIGN KEY (machine_id)            REFERENCES  machines(id)
+            );
+        SQL;
+        DB::statement($sql);
+    }
+
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('product_characteristics_masters');
+    }
+};

database/migrations/2025_09_11_164716_added_characteristics_type_inspection_type_to_product_characteristics_masters.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+   	public function up(): void
+    {
+        $sql1 = <<<'SQL'
+            ALTER TABLE product_characteristics_masters
+            ADD COLUMN characteristics_type TEXT DEFAULT NULL;
+        SQL;
+
+        DB::statement($sql1);
+
+        $sql2 = <<<'SQL'
+            ALTER TABLE product_characteristics_masters
+            RENAME COLUMN type TO inspection_type;
+        SQL;
+
+        DB::statement($sql2);
+    }
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // Schema::table('product_characteristics_masters', function (Blueprint $table) {
+        //     //
+        // });
+    }
+};

database/migrations/2025_09_12_142420_added_work_group_master_id_foreignkey_to_product_characteristics_masters.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $sql1 = <<<'SQL'
+            ALTER TABLE product_characteristics_masters
+            ADD COLUMN work_group_master_id BIGINT DEFAULT NULL,
+            ADD CONSTRAINT product_characteristics_masters_work_group_master_id_fkey
+            FOREIGN KEY (work_group_master_id) REFERENCES work_group_masters(id);
+        SQL;
+
+        DB::statement($sql1);
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // Schema::table('product_characteristics_masters', function (Blueprint $table) {
+        //     //
+        // });
+    }
+};