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-rw-r--r--sql/sql_prepare.cc57
1 files changed, 44 insertions, 13 deletions
diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc
index 1a3c4f4f8ae..efe5eb43121 100644
--- a/sql/sql_prepare.cc
+++ b/sql/sql_prepare.cc
@@ -1,4 +1,5 @@
/* Copyright (c) 2002, 2010, Oracle and/or its affiliates.
+ Copyright (c) 2009-2011, Monty Program Ab
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -2734,6 +2735,32 @@ void mysql_sql_stmt_close(THD *thd)
}
}
+
+class Set_longdata_error_handler : public Internal_error_handler
+{
+public:
+ Set_longdata_error_handler(Prepared_statement *statement)
+ : stmt(statement)
+ { }
+
+public:
+ bool handle_error(uint sql_errno,
+ const char *message,
+ MYSQL_ERROR::enum_warning_level level,
+ THD *)
+ {
+ stmt->state= Query_arena::ERROR;
+ stmt->last_errno= sql_errno;
+ strnmov(stmt->last_error, message, MYSQL_ERRMSG_SIZE);
+
+ return TRUE;
+ }
+
+private:
+ Prepared_statement *stmt;
+};
+
+
/**
Handle long data in pieces from client.
@@ -2790,16 +2817,19 @@ void mysql_stmt_get_longdata(THD *thd, char *packet, ulong packet_length)
param= stmt->param_array[param_number];
+ Set_longdata_error_handler err_handler(stmt);
+ /*
+ Install handler that will catch any errors that can be generated
+ during execution of Item_param::set_longdata() and propagate
+ them to Statement::last_error.
+ */
+ thd->push_internal_handler(&err_handler);
#ifndef EMBEDDED_LIBRARY
- if (param->set_longdata(packet, (ulong) (packet_end - packet)))
+ param->set_longdata(packet, (ulong) (packet_end - packet));
#else
- if (param->set_longdata(thd->extra_data, thd->extra_length))
+ param->set_longdata(thd->extra_data, thd->extra_length);
#endif
- {
- stmt->state= Query_arena::ERROR;
- stmt->last_errno= ER_OUTOFMEMORY;
- sprintf(stmt->last_error, ER(ER_OUTOFMEMORY), 0);
- }
+ thd->pop_internal_handler();
general_log_print(thd, thd->command, NullS);
@@ -3261,6 +3291,13 @@ Prepared_statement::execute_loop(String *expanded_query,
bool error;
int reprepare_attempt= 0;
+ /* Check if we got an error when sending long data */
+ if (state == Query_arena::ERROR)
+ {
+ my_message(last_errno, last_error, MYF(0));
+ return TRUE;
+ }
+
if (set_parameters(expanded_query, packet, packet_end))
return TRUE;
@@ -3501,12 +3538,6 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor)
status_var_increment(thd->status_var.com_stmt_execute);
- /* Check if we got an error when sending long data */
- if (state == Query_arena::ERROR)
- {
- my_message(last_errno, last_error, MYF(0));
- return TRUE;
- }
if (flags & (uint) IS_IN_USE)
{
my_error(ER_PS_NO_RECURSION, MYF(0));