Bug #12793118 MYSQLTEST: --ERROR AND --DISABLE_ABORT_ON_ERROR DO NOT WORK FOR SQL IN COMMANDS

  Call handle_error() instead of die() when evaluating these
  Must remember "current command" with link to errors to ignore
  Added test cases to mysqltest.test 

client/mysqltest.cc

@@ -451,6 +451,7 @@ TYPELIB command_typelib= {array_elements(command_names),"",
 			  command_names, 0};
 
 DYNAMIC_STRING ds_res;
+struct st_command *curr_command= 0;
 
 char builtin_echo[FN_REFLEN];
 
@@ -2212,9 +2213,16 @@ void var_query_set(VAR *var, const char *query, const char** query_end)
   init_dynamic_string(&ds_query, 0, (end - query) + 32, 256);
   do_eval(&ds_query, query, end, FALSE);
 
-  if (mysql_real_query(mysql, ds_query.str, ds_query.length))
-    die("Error running query '%s': %d %s", ds_query.str,
-	mysql_errno(mysql), mysql_error(mysql));
+  if (mysql_real_query(mysql, ds_query.str, ds_query.length)) 
+  {
+    handle_error (curr_command, mysql_errno(mysql), mysql_error(mysql),
+                  mysql_sqlstate(mysql), &ds_res);
+    /* If error was acceptable, return empty string */
+    dynstr_free(&ds_query);
+    eval_expr(var, "", 0);
+    DBUG_VOID_RETURN;
+  }
+  
   if (!(res= mysql_store_result(mysql)))
     die("Query '%s' didn't return a result set", ds_query.str);
   dynstr_free(&ds_query);
@@ -2315,8 +2323,15 @@ void var_set_query_get_value(struct st_command *command, VAR *var)
 
   /* Run the query */
   if (mysql_real_query(mysql, ds_query.str, ds_query.length))
-    die("Error running query '%s': %d %s", ds_query.str,
-	mysql_errno(mysql), mysql_error(mysql));
+  {
+    handle_error (curr_command, mysql_errno(mysql), mysql_error(mysql),
+                  mysql_sqlstate(mysql), &ds_res);
+    /* If error was acceptable, return empty string */
+    dynstr_free(&ds_query);
+    eval_expr(var, "", 0);
+    DBUG_VOID_RETURN;
+  }
+
   if (!(res= mysql_store_result(mysql)))
     die("Query '%s' didn't return a result set", ds_query.str);
 
@@ -8147,6 +8162,8 @@ int main(int argc, char **argv)
     {
       command->last_argument= command->first_argument;
       processed = 1;
+      /* Need to remember this for handle_error() */
+      curr_command= command;
       switch (command->type) {
       case Q_CONNECT:
         do_connect(command);

mysql-test/r/mysqltest.result

@@ -135,6 +135,10 @@ select 1146 as "after_!errno_masked_error" ;
 after_!errno_masked_error
 1146
 mysqltest: At line 1: query 'select 3 from t1' failed with wrong errno 1146: 'Table 'test.t1' doesn't exist', instead of 1000...
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'garbage' at line 1
+ is empty
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'nonsense' at line 1
+ is empty
 garbage ;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'garbage' at line 1
 select 1064 as "after_--enable_abort_on_error" ;
@@ -143,6 +147,9 @@ after_--enable_abort_on_error
 select 3 from t1 ;
 ERROR 42S02: Table 'test.t1' doesn't exist
 mysqltest: At line 1: query 'select 3 from t1' failed with wrong errno 1146: 'Table 'test.t1' doesn't exist', instead of 1064...
+ is empty
+ is empty
+"Yes it's empty"
 hello
 hello
 ;;;;;;;;
@@ -315,7 +322,7 @@ insert into t1 values ('$dollar');
 $dollar
 `select 42`
 drop table t1;
-mysqltest: At line 1: Error running query 'failing query': 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'failing query' at line 1
+mysqltest: At line 1: query 'let $var2= `failing query`' failed: 1064: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'failing query' at line 1
 mysqltest: At line 1: Missing required argument 'filename' to command 'source'
 mysqltest: At line 1: Could not open './non_existingFile' for reading, errno: 2
 mysqltest: In included file "MYSQLTEST_VARDIR/tmp/recursive.sql": 
@@ -813,7 +820,7 @@ mysqltest: At line 1: Could not find column 'column_not_exists' in the result of
 mysqltest: At line 1: Query 'SET @A = 1' didn't return a result set
 mysqltest: At line 1: Could not find column '1 AS B' in the result of 'SELECT 1 AS A'
 value= No such row
-mysqltest: At line 1: Error running query 'SHOW COLNS FROM t1': 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'COLNS FROM t1' at line 1
+mysqltest: At line 1: query 'let $value= query_get_value(SHOW COLNS FROM t1, Field, 1)' failed: 1064: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'COLNS FROM t1' at line 1
 
 Field Type Null Key Default Extra
 a int(11) YES -><- NULL 

mysql-test/t/mysqltest.test

@@ -334,6 +334,14 @@ eval select $mysql_errno as "after_!errno_masked_error" ;
   exit(2);
 EOF
 
+# ----------------------------------------------------------------------------
+# Check backtick and query_get_value, result should be empty
+# ----------------------------------------------------------------------------
+let $empty= `garbage`;
+echo $empty is empty;
+let $empty= query_get_value(nonsense, blabla, 1);
+echo $empty is empty;
+
 # ----------------------------------------------------------------------------
 # Switch the abort on error on and check the effect on $mysql_errno
 # ----------------------------------------------------------------------------
@@ -364,6 +372,23 @@ select 3 from t1 ;
 --exec echo "disable_abort_on_error; enable_abort_on_error; error 1064; select 3 from t1; select 3 from t1;" | $MYSQL_TEST  2>&1
 
 
+# ----------------------------------------------------------------------------
+# Test --error with backtick operator or query_get_value
+# ----------------------------------------------------------------------------
+
+--error 0,ER_NO_SUCH_TABLE
+let $empty= `SELECT foo from bar`;
+echo $empty is empty;
+
+--error 0,ER_BAD_FIELD_ERROR
+let $empty= query_get_value(SELECT bar as foo, baz, 1);
+echo $empty is empty;
+
+--error 0,ER_NO_SUCH_TABLE
+if (!`SELECT foo from bar`) {
+  echo "Yes it's empty";
+}
+
 # ----------------------------------------------------------------------------
 # Test comments
 # ----------------------------------------------------------------------------