Commit inicial - WordPress Análisis de Precios Unitarios

- WordPress core y plugins
- Tema Twenty Twenty-Four configurado
- Plugin allow-unfiltered-html.php simplificado
- .gitignore configurado para excluir wp-config.php y uploads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

wp-content/plugins/seo-by-rank-math/includes/admin/database/class-groupby.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * The groupby functions.
+ *
+ * @since      1.0.0
+ * @package    RankMath
+ * @subpackage RankMath\Admin\Database
+ * @author     RankMath <support@rankmath.com>
+ */
+
+namespace RankMath\Admin\Database;
+
+/**
+ * GroupBy class.
+ */
+trait GroupBy {
+
+	/**
+	 * Add an group by statement to the current query
+	 *
+	 *     ->groupBy('created_at')
+	 *
+	 * @param array|string $columns Columns.
+	 *
+	 * @return self The current query builder.
+	 */
+	public function groupBy( $columns ) { // @codingStandardsIgnoreLine
+		if ( is_string( $columns ) ) {
+			$columns = $this->argument_to_array( $columns );
+		}
+
+		foreach ( $columns as $column ) {
+			$this->add_sql_clause( 'group_by', $column );
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Generate Having clause
+	 *
+	 * @param string $column The SQL column.
+	 * @param mixed  $param1 Operator or value depending if $param2 isset.
+	 * @param mixed  $param2 The value if $param1 is an operator.
+	 *
+	 * @return self The current query builder.
+	 */
+	public function having( $column, $param1 = null, $param2 = null ) {
+		$this->add_sql_clause( 'having', $this->generateWhere( $column, $param1, $param2, 'HAVING' ) );
+
+		return $this;
+	}
+}