first commit

app/Models/Column.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Column extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'table_id',
+        'column_name',
+        'data_type',
+        'udt_name',
+        'ordinal_position',
+        'is_nullable',
+        'column_default',
+        'character_maximum_length',
+        'numeric_precision',
+        'numeric_scale',
+        'datetime_precision',
+        'comment',
+        'is_primary_key',
+        'is_foreign_key',
+        'is_indexed',
+        'target_column_name',
+        'target_data_type',
+        'exclude_from_migration',
+    ];
+
+    protected $casts = [
+        'ordinal_position' => 'integer',
+        'is_nullable' => 'boolean',
+        'is_primary_key' => 'boolean',
+        'is_foreign_key' => 'boolean',
+        'is_indexed' => 'boolean',
+        'exclude_from_migration' => 'boolean',
+        'character_maximum_length' => 'integer',
+        'numeric_precision' => 'integer',
+        'numeric_scale' => 'integer',
+    ];
+
+    public function table(): BelongsTo
+    {
+        return $this->belongsTo(Table::class);
+    }
+
+    public function getFullTypeAttribute(): string
+    {
+        $type = $this->data_type;
+        
+        if ($this->character_maximum_length) {
+            $type .= "({$this->character_maximum_length})";
+        } elseif ($this->numeric_precision && $this->numeric_scale) {
+            $type .= "({$this->numeric_precision},{$this->numeric_scale})";
+        } elseif ($this->numeric_precision) {
+            $type .= "({$this->numeric_precision})";
+        }
+
+        return $type;
+    }
+
+    public function getEffectiveColumnNameAttribute(): string
+    {
+        return $this->target_column_name ?? $this->column_name;
+    }
+
+    public function getEffectiveDataTypeAttribute(): string
+    {
+        return $this->target_data_type ?? $this->data_type;
+    }
+}