diff --git a/src/ColumnDefinition.php b/src/ColumnDefinition.php
index ddb8062..e48e4ad 100644
--- a/src/ColumnDefinition.php
+++ b/src/ColumnDefinition.php
@@ -3,16 +3,24 @@
 namespace ipl\Orm;
 
 use InvalidArgumentException;
-use LogicException;
+use ipl\Stdlib\Filter\Condition;
+use ipl\Stdlib\Filter\Like;
+use ipl\Stdlib\Filter\Unlike;
 
 class ColumnDefinition
 {
     /** @var string The name of the column */
     protected $name;
 
+    /** @var ?string The data type of the column */
+    protected $type;
+
     /** @var ?string The label of the column */
     protected $label;
 
+    /** @var ?array The values allowed for this column */
+    protected $allowedValues;
+
     /**
      * Create a new column definition
      *
@@ -33,6 +41,30 @@ public function getName(): string
         return $this->name;
     }
 
+    /**
+     * Get the data type of the column
+     *
+     * @return ?string
+     */
+    public function getType(): ?string
+    {
+        return $this->type;
+    }
+
+    /**
+     * Set the data type of the column
+     *
+     * @param ?string $type
+     *
+     * @return $this
+     */
+    public function setType(?string $type): self
+    {
+        $this->type = $type;
+
+        return $this;
+    }
+
     /**
      * Get the column label
      *
@@ -57,6 +89,73 @@ public function setLabel(?string $label): self
         return $this;
     }
 
+    /**
+     * Get the allowed values for this column
+     *
+     * @return ?array
+     */
+    public function getAllowedValues(): ?array
+    {
+        return $this->allowedValues;
+    }
+
+    /**
+     * Set the allowed values for this column
+     *
+     * @param ?array $values
+     *
+     * @return $this
+     */
+    public function setAllowedValues(?array $values): self
+    {
+        $this->allowedValues = $values;
+
+        return $this;
+    }
+
+    /**
+     * Get whether the given filter's value is valid
+     *
+     * @param Condition $filter
+     *
+     * @return bool
+     */
+    public function isValidValue(Condition $filter): bool
+    {
+        if ($filter instanceof Like || $filter instanceof Unlike) {
+            return true;
+        }
+
+        switch ($this->type) {
+            case 'number':
+                if (! is_numeric($filter->getValue())) {
+                    return false;
+                }
+
+                break;
+        }
+
+        if (empty($this->allowedValues)) {
+            return true;
+        }
+
+        return isset($this->allowedValues[$filter->getValue()]);
+    }
+
+    /**
+     * Get the given value's label
+     *
+     * Returns the value itself if there's no label available
+     *
+     * @param string $value
+     *
+     * @return string
+     */
+    public function getValueLabel(string $value): string
+    {
+        return $this->allowedValues[$value] ?? $value;
+    }
+
     /**
      * Create a new column definition based on the given options
      *
@@ -71,10 +170,22 @@ public static function fromArray(array $options): self
         }
 
         $self = new static($options['name']);
+
+        if (isset($options['type'])) {
+            $self->setType($options['type']);
+        }
+
         if (isset($options['label'])) {
             $self->setLabel($options['label']);
         }
 
+        // min (number start, datetime range start)
+        // max (number end, string length, datetime range end)
+
+        if (isset($options['allowed_values'])) {
+            $self->setAllowedValues($options['allowed_values']);
+        }
+
         return $self;
     }
 }