bk commit into 4.1 tree (konstantin:1.2354) BUG#11183

[konstantin]

Below is the list of changes that have just been committed into a local
4.1 repository of kostja. When kostja does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
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see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2354 05/07/14 18:53:26 konstantin@stripped +2 -0
  A fix and a test case for Bug#11183 "mysql_stmt_reset() doesn't reset
  information about error".

  tests/mysql_client_test.c
    1.153 05/07/14 18:53:15 konstantin@stripped +45 -0
    A test case for Bug#11183 "mysql_stmt_reset() doesn't reset information 
    about error"

  libmysql/libmysql.c
    1.296 05/07/14 18:53:15 konstantin@stripped +12 -0
    Clear the last error on the statement if mysql_stmt_reset succeeded.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	konstantin
# Host:	dragonfly.local
# Root:	/opt/local/work/mysql-4.1-root

--- 1.295/libmysql/libmysql.c	2005-05-14 17:28:51 +04:00
+++ 1.296/libmysql/libmysql.c	2005-07-14 18:53:15 +04:00
@@ -1834,6 +1834,17 @@
   }
 }
 
+
+static void stmt_clear_error(MYSQL_STMT *stmt)
+{
+  if (stmt->last_errno)
+  {
+    stmt->last_errno= 0;
+    stmt->last_error[0]= '\0';
+    strmov(stmt->sqlstate, not_error_sqlstate);
+  }
+}
+
 /*
   Set statement error code, sqlstate, and error message
   from given errcode and sqlstate.
@@ -4625,6 +4636,7 @@
        param < param_end;
        param++)
     param->long_data_used= 0;
+  stmt_clear_error(stmt);
 
   DBUG_RETURN(0);
 }

--- 1.152/tests/mysql_client_test.c	2005-07-14 15:13:18 +04:00
+++ 1.153/tests/mysql_client_test.c	2005-07-14 18:53:15 +04:00
@@ -11697,6 +11697,50 @@
   myquery(rc);
 }
 
+/* Bug#11183 "mysql_stmt_reset() doesn't reset information about error" */
+
+static void test_bug11183()
+{
+  int rc;
+  MYSQL_STMT *stmt;
+  char bug_statement[]= "insert into t1 values (1)";
+
+  myheader("test_bug11183");
+
+  mysql_query(mysql, "drop table t1 if exists");
+  mysql_query(mysql, "create table t1 (a int)");
+
+  stmt= mysql_stmt_init(mysql);
+  DIE_UNLESS(stmt != 0);
+
+  rc= mysql_stmt_prepare(stmt, bug_statement, strlen(bug_statement));
+  check_execute(stmt, rc);
+
+  rc= mysql_query(mysql, "drop table t1");
+  myquery(rc);
+
+  /* Trying to execute statement that should fail on execute stage */
+  rc= mysql_stmt_execute(stmt);
+  DIE_UNLESS(rc);
+
+  mysql_stmt_reset(stmt);
+  DIE_UNLESS(mysql_stmt_errno(stmt) == 0);
+
+  mysql_query(mysql, "create table t1 (a int)");
+
+  /* Trying to execute statement that should pass ok */
+  if (mysql_stmt_execute(stmt))
+  {
+    mysql_stmt_reset(stmt);
+    DIE_UNLESS(mysql_stmt_errno(stmt) == 0);
+  }
+
+  mysql_stmt_close(stmt);
+
+  rc= mysql_query(mysql, "drop table t1");
+  myquery(rc);
+}
+
 
 /*
   Read and parse arguments and MySQL options from my.cnf
@@ -11913,6 +11957,7 @@
   { "test_bug7990", test_bug7990 },
   { "test_bug8378", test_bug8378 },
   { "test_bug9735", test_bug9735 },
+  { "test_bug11183", test_bug11183 },
   { 0, 0 }
 };