From 490325c89dcdda5dd6dd492ebe90fb91314c96d3 Mon Sep 17 00:00:00 2001
From: Dan Ungureanu <udan1107@gmail.com>
Date: Fri, 12 Feb 2016 09:37:03 +0200
Subject: [PATCH] Fixes #11920. Can't disable backquotes in export Updated
 sql-parser to phpmyadmin/sql-parser@de8b3efbbca418f7c867909dbcb3fbe4b4a20497
 (v3.2.0).

Signed-off-by: Dan Ungureanu <udan1107@gmail.com>
---
 ChangeLog                                    |  1 +
 libraries/plugins/export/ExportSql.class.php |  6 ++++++
 libraries/sql-parser/src/Context.php         | 14 ++++++++++++++
 3 files changed, 21 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 4481c3f1f8..147f9b6f8f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -18,6 +18,7 @@ phpMyAdmin - ChangeLog
 - issue #11799 Backslashes in comments are being interpreted as escape characters
 - issue #11909 Can't insert row into table that contains generated column
 - issue #11677 sql-parser and php-gettext collide.
+- issue #11920 Can't disable backquotes in export
 
 4.5.4.1 (2016-01-29)
 - issue #11892 Error with PMA 4.4.15.3
diff --git a/libraries/plugins/export/ExportSql.class.php b/libraries/plugins/export/ExportSql.class.php
index 9371131d36..5b68c22667 100644
--- a/libraries/plugins/export/ExportSql.class.php
+++ b/libraries/plugins/export/ExportSql.class.php
@@ -1551,6 +1551,12 @@ class ExportSql extends ExportPlugin
             // analysis.
             if (!$view) {
 
+                if (empty($sql_backquotes)) {
+                    // Option "Enclose table and column names with backquotes"
+                    // was checked.
+                    Context::$MODE |= Context::NO_ENCLOSING_QUOTES;
+                }
+
                 // Using appropriate quotes.
                 if (($compat === 'MSSQL') || ($sql_backquotes === '"')) {
                     SqlParser\Context::$MODE |= SqlParser\Context::ANSI_QUOTES;
diff --git a/libraries/sql-parser/src/Context.php b/libraries/sql-parser/src/Context.php
index 7637953ab5..a62fa16b9e 100644
--- a/libraries/sql-parser/src/Context.php
+++ b/libraries/sql-parser/src/Context.php
@@ -190,6 +190,13 @@ abstract class Context
     // https://dev.mysql.com/doc/refman/5.0/en/sql-mode.html#sqlmode_strict_trans_tables
     const STRICT_TRANS_TABLES           = 1048576;
 
+    // Custom modes.
+
+    // The table and column names and any other field that must be escaped will
+    // not be.
+    // Reserved keywords are being escaped regardless this mode is used or not.
+    const NO_ENCLOSING_QUOTES           = 1073741824;
+
     /*
      * Combination SQL Modes
      * https://dev.mysql.com/doc/refman/5.0/en/sql-mode.html#sql-mode-combo
@@ -520,9 +527,16 @@ abstract class Context
             return $str;
         }
 
+        if ((static::$MODE & Context::NO_ENCLOSING_QUOTES)
+            && (!static::isKeyword($str, true))
+        ) {
+            return $str;
+        }
+
         if (static::$MODE & Context::ANSI_QUOTES) {
             $quote = '"';
         }
+
         return $quote . str_replace($quote, $quote . $quote, $str) . $quote;
     }
 }