More fixes after testing

Author: dpanta94

src/Schema/Columns/Contracts/Column.php

@@ -270,10 +270,6 @@ public function get_definition(): array {
 			$sql .= ' UNSIGNED';
 		}
 
-		if ( $this instanceof Precisionable ) {
-			$sql .= "({$this->get_precision()})";
-		}
-
 		$sql .= $this->get_nullable() ? ' NULL' : ' NOT NULL';
 
 		if ( $this instanceof Auto_Incrementable && $this->get_auto_increment() ) {

src/Schema/Columns/Datetime_Column.php

@@ -12,6 +12,7 @@
 namespace StellarWP\Schema\Columns;
 
 use StellarWP\Schema\Columns\Contracts\Column;
+use InvalidArgumentException;
 
 /**
  * Class Datetime_Column
@@ -35,6 +36,21 @@ class Datetime_Column extends Column {
 	 */
 	protected string $php_type = self::PHP_TYPE_DATETIME;
 
+	/**
+	 * Get the default value of the column.
+	 *
+	 * @return mixed The default value of the column.
+	 *
+	 * @throws InvalidArgumentException If the default value is not valid.
+	 */
+	public function get_default() {
+		if ( 'CURRENT_TIMESTAMP' === $this->default && $this->get_type() !== self::COLUMN_TYPE_TIMESTAMP ) {
+			throw new InvalidArgumentException( 'CURRENT_TIMESTAMP is not a valid default for a non timestamp column until MySQL 5.6.5. Please use a timestamp column instead.' );
+		}
+
+		return $this->default;
+	}
+
 	/**
 	 * Get the supported column types.
 	 *