Comment why lex->result is ignored if EXPLAIN

dd028309 · konstantin@mysql.com · 78590ad5 · dd028309
Commit dd028309 authored Sep 09, 2005 by konstantin@mysql.com
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sql/sql_parse.cc sql/sql_parse.cc +6 -0

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--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -2438,6 +2438,12 @@ mysql_execute_command(THD *thd)
    {
      if (lex->describe)
      {
+        /*
+          We always use select_send for EXPLAIN, even if it's an EXPLAIN
+          for SELECT ... INTO OUTFILE: a user application should be able
+          to prepend EXPLAIN to any query and receive output for it,
+          even if the query itself redirects the output.
+        */
 	if (!(result= new select_send()))
 	  goto error;
 	else