X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=CRM%2FCore%2FInnoDBIndexer.php;h=abe15f8edcaf14834977548b38f1c19b828144c6;hb=92b0f883315c72514e629b1c9e37261b84186785;hp=fca34148b098f57cfdac8604de3bd9bfbc45e232;hpb=d3dd908218b3e4ca605655399c5783c737aa1970;p=civicrm-core.git

diff --git a/CRM/Core/InnoDBIndexer.php b/CRM/Core/InnoDBIndexer.php
index fca34148b0..abe15f8edc 100644
--- a/CRM/Core/InnoDBIndexer.php
+++ b/CRM/Core/InnoDBIndexer.php
@@ -156,6 +156,13 @@ class CRM_Core_InnoDBIndexer {
    * @return array (string $indexName => string $indexName)
    */
   public function findActualFtsIndexNames($table) {
+    $mysqlVersion = CRM_Core_DAO::singleValueQuery('SELECT VERSION()');
+    if (version_compare($mysqlVersion, '5.6', '<')) {
+      // If we're not on 5.6+, then there cannot be any InnoDB FTS indices!
+      // Also: information_schema.innodb_sys_indexes is only available on 5.6+.
+      return array();
+    }
+
     // Note: this only works in MySQL 5.6,  but this whole system is intended to only work in MySQL 5.6
     $sql = "
       SELECT i.name as index_name