Дозаливка

pma12111211/libraries/tbl_views.lib.php

@@ -0,0 +1,159 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Set of functions related to applying transformations for VIEWs
+ *
+ * @package PhpMyAdmin
+ */
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
+
+
+/**
+ * Get the column details of VIEW with its original references
+ *
+ * @param string $sql_query    SQL for original resource
+ * @param array  $view_columns Columns of VIEW if defined new column names
+ *
+ * @return array $column_map Details of VIEW columns
+ */
+function PMA_getColumnMap($sql_query, $view_columns)
+{
+
+    $column_map = array();
+    // Select query which give results for VIEW
+    $real_source_result = $GLOBALS['dbi']->tryQuery($sql_query);
+
+    if ($real_source_result !== false) {
+
+        $real_source_fields_meta = $GLOBALS['dbi']->getFieldsMeta(
+            $real_source_result
+        );
+
+        if (count($real_source_fields_meta) > 0) {
+
+            for ($i=0; $i<count($real_source_fields_meta); $i++) {
+
+                $map = array();
+                $map['table_name'] = $real_source_fields_meta[$i]->table;
+                $map['refering_column'] = $real_source_fields_meta[$i]->name;
+
+                if (count($view_columns) > 1) {
+                    $map['real_column'] = $view_columns[$i];
+                }
+
+                $column_map[] = $map;
+
+            }
+
+        }
+
+    }
+    unset($real_source_result);
+
+    return $column_map;
+
+}
+
+
+/**
+ * Get existing data on tranformations applyed for
+ * columns in a particular table
+ *
+ * @param string $db Database name looking for
+ *
+ * @return mysqli_result Result of executed SQL query
+ */
+function PMA_getExistingTranformationData($db)
+{
+    $cfgRelation = PMA_getRelationsParam();
+
+    // Get the existing transformation details of the same database
+    // from pma__column_info table
+    $pma_transformation_sql = 'SELECT * FROM '
+        . PMA_Util::backquote($cfgRelation['db']) . '.'
+        . PMA_Util::backquote($cfgRelation['column_info'])
+        . ' WHERE `db_name` = \''
+        . PMA_Util::sqlAddSlashes($db) . '\'';
+
+    return $GLOBALS['dbi']->tryQuery($pma_transformation_sql);
+
+}
+
+
+/**
+ * Get SQL query for store new transformation details of a VIEW
+ *
+ * @param mysqli_result $pma_tranformation_data Result set of SQL execution
+ * @param array         $column_map             Details of VIEW columns
+ * @param string        $view_name              Name of the VIEW
+ * @param string        $db                     Database name of the VIEW
+ *
+ * @return string $new_transformations_sql SQL query for new tranformations
+ */
+function PMA_getNewTransformationDataSql(
+    $pma_tranformation_data, $column_map, $view_name, $db
+) {
+    $cfgRelation = PMA_getRelationsParam();
+
+    // Need to store new transformation details for VIEW
+    $new_transformations_sql = 'INSERT INTO '
+        . PMA_Util::backquote($cfgRelation['db']) . '.'
+        . PMA_Util::backquote($cfgRelation['column_info'])
+        . ' (`db_name`, `table_name`, `column_name`, `comment`, '
+        . '`mimetype`, `transformation`, `transformation_options`)'
+        . ' VALUES ';
+
+    $column_count = 0;
+    $add_comma = false;
+
+    while ($data_row = $GLOBALS['dbi']->fetchAssoc($pma_tranformation_data)) {
+
+        foreach ($column_map as $column) {
+
+            if ($data_row['table_name'] == $column['table_name']
+                && $data_row['column_name'] == $column['refering_column']
+            ) {
+
+                $new_transformations_sql .= $add_comma ? ', ' : '';
+
+                $new_transformations_sql .= '('
+                    . '\'' . $db . '\', '
+                    . '\'' . $view_name . '\', '
+                    . '\'';
+
+                $new_transformations_sql .= (isset($column['real_column']))
+                        ? $column['real_column']
+                        : $column['refering_column'];
+
+                $new_transformations_sql .= '\', '
+                    . '\'' . $data_row['comment'] . '\', '
+                    . '\'' . $data_row['mimetype'] . '\', '
+                    . '\'' . $data_row['transformation'] . '\', '
+                    . '\''
+                    . PMA_Util::sqlAddSlashes(
+                        $data_row['transformation_options']
+                    )
+                    . '\')';
+
+                $add_comma = true;
+                $column_count++;
+                break;
+
+            }
+
+        }
+
+        if ($column_count == count($column_map)) {
+            break;
+        }
+
+    }
+
+    return ($column_count > 0) ? $new_transformations_sql : '';
+
+}
+
+
+?>