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Manual merge (4.1->5.0)

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This commit is contained in:
konstantin@mysql.com
2005-06-17 00:34:35 +04:00
parent ad223c9c10 dcb0e65dcb
commit 62dacf0813
5 changed files with 106 additions and 47 deletions
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75
sql/sql_prepare.cc
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@ -839,7 +839,8 @@ static bool insert_params_from_vars_with_log(Prepared_statement *stmt,
DBUG_ENTER("insert_params_from_vars");
List_iterator<LEX_STRING> var_it(varnames);
String str;
String buf;
const String *val;
uint32 length= 0;
if (query->copy(stmt->query, stmt->query_length, default_charset_info))
DBUG_RETURN(1);
@ -850,32 +851,36 @@ static bool insert_params_from_vars_with_log(Prepared_statement *stmt,
varname= var_it++;
if (get_var_with_binlog(stmt->thd, *varname, &entry))
DBUG_RETURN(1);
DBUG_ASSERT(entry != 0);
if (param->set_from_user_var(stmt->thd, entry))
DBUG_RETURN(1);
/* Insert @'escaped-varname' instead of parameter in the query */
char *buf, *ptr;
str.length(0);
if (str.reserve(entry->name.length*2+3))
DBUG_RETURN(1);
if (entry)
{
char *begin, *ptr;
buf.length(0);
if (buf.reserve(entry->name.length*2+3))
DBUG_RETURN(1);
buf= str.c_ptr_quick();
ptr= buf;
*ptr++= '@';
*ptr++= '\'';
ptr+=
escape_string_for_mysql(&my_charset_utf8_general_ci,
ptr, 0, entry->name.str, entry->name.length);
*ptr++= '\'';
str.length(ptr - buf);
begin= ptr= buf.c_ptr_quick();
*ptr++= '@';
*ptr++= '\'';
ptr+= escape_string_for_mysql(&my_charset_utf8_general_ci,
ptr, 0, entry->name.str,
entry->name.length);
*ptr++= '\'';
buf.length(ptr - begin);
val= &buf;
}
else
val= &my_null_string;
if (param->convert_str_value(stmt->thd))
DBUG_RETURN(1); /* out of memory */
if (query->replace(param->pos_in_query+length, 1, str))
if (query->replace(param->pos_in_query+length, 1, *val))
DBUG_RETURN(1);
length+= str.length()-1;
length+= val->length()-1;
}
DBUG_RETURN(0);
}
@ -1706,6 +1711,13 @@ bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length,
DBUG_PRINT("prep_query", ("%s", packet));
/*
If this is an SQLCOM_PREPARE, we also increase Com_prepare_sql.
However, it seems handy if com_stmt_prepare is increased always,
no matter what kind of prepare is processed.
*/
statistic_increment(com_stmt_prepare, &LOCK_status);
if (stmt == 0)
DBUG_RETURN(TRUE);
@ -1738,7 +1750,7 @@ bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length,
DBUG_RETURN(TRUE);
}
mysql_log.write(thd, COM_PREPARE, "[%lu] %s", stmt->id, packet);
mysql_log.write(thd, thd->command, "[%lu] %s", stmt->id, packet);
thd->current_arena= stmt;
mysql_init_query(thd, (uchar *) thd->query, thd->query_length);
@ -1950,6 +1962,7 @@ void mysql_stmt_execute(THD *thd, char *packet, uint packet_length)
packet+= 9; /* stmt_id + 5 bytes of flags */
statistic_increment(com_stmt_execute, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_execute")))
DBUG_VOID_RETURN;
@ -2024,10 +2037,7 @@ void mysql_stmt_execute(THD *thd, char *packet, uint packet_length)
my_error(ER_OUTOFMEMORY, 0, expanded_query.length());
goto err;
}
mysql_log.write(thd, COM_EXECUTE, "[%lu] %s", stmt->id,
expanded_query.length() ? expanded_query.c_ptr() :
stmt->query);
mysql_log.write(thd, thd->command, "[%lu] %s", stmt->id, thd->query);
thd->protocol= &thd->protocol_prep; // Switch to binary protocol
if (!(specialflag & SPECIAL_NO_PRIOR))
@ -2081,6 +2091,8 @@ void mysql_sql_stmt_execute(THD *thd, LEX_STRING *stmt_name)
DBUG_ENTER("mysql_sql_stmt_execute");
DBUG_ASSERT(thd->free_list == NULL);
/* See comment for statistic_increment in mysql_stmt_prepare */
statistic_increment(com_stmt_execute, &LOCK_status);
if (!(stmt= (Prepared_statement*)thd->stmt_map.find_by_name(stmt_name)))
{
@ -2105,6 +2117,7 @@ void mysql_sql_stmt_execute(THD *thd, LEX_STRING *stmt_name)
{
my_error(ER_WRONG_ARGUMENTS, MYF(0), "EXECUTE");
}
thd->command= COM_EXECUTE; /* For nice messages in general log */
execute_stmt(thd, stmt, &expanded_query);
DBUG_VOID_RETURN;
}
@ -2137,6 +2150,7 @@ static void execute_stmt(THD *thd, Prepared_statement *stmt,
my_error(ER_OUTOFMEMORY, MYF(0), expanded_query->length());
DBUG_VOID_RETURN;
}
mysql_log.write(thd, thd->command, "[%lu] %s", stmt->id, thd->query);
/*
At first execution of prepared statement we will perform logical
transformations of the query tree (i.e. negations elimination).
@ -2149,6 +2163,14 @@ static void execute_stmt(THD *thd, Prepared_statement *stmt,
mysql_execute_command(thd);
if (!(specialflag & SPECIAL_NO_PRIOR))
my_pthread_setprio(pthread_self(), WAIT_PRIOR);
/*
'start_time' is set in dispatch_command, but THD::query will
be freed when we return from this function. So let's log the slow
query here.
*/
log_slow_statement(thd);
/* Prevent from second logging in the end of dispatch_command */
thd->enable_slow_log= FALSE;
close_thread_tables(thd); // to close derived tables
cleanup_stmt_and_thd_after_use(stmt, thd);
@ -2180,6 +2202,7 @@ void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length)
Prepared_statement *stmt;
DBUG_ENTER("mysql_stmt_fetch");
statistic_increment(com_stmt_fetch, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_fetch")))
DBUG_VOID_RETURN;
@ -2240,6 +2263,7 @@ void mysql_stmt_reset(THD *thd, char *packet)
Prepared_statement *stmt;
DBUG_ENTER("mysql_stmt_reset");
statistic_increment(com_stmt_reset, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_reset")))
DBUG_VOID_RETURN;
@ -2274,6 +2298,7 @@ void mysql_stmt_free(THD *thd, char *packet)
DBUG_ENTER("mysql_stmt_free");
statistic_increment(com_stmt_close, &LOCK_status);
if (!(stmt= find_prepared_statement(thd, stmt_id, "mysql_stmt_close")))
DBUG_VOID_RETURN;
@ -2312,6 +2337,7 @@ void mysql_stmt_get_longdata(THD *thd, char *packet, ulong packet_length)
DBUG_ENTER("mysql_stmt_get_longdata");
statistic_increment(com_stmt_send_long_data, &LOCK_status);
#ifndef EMBEDDED_LIBRARY
/* Minimal size of long data packet is 6 bytes */
if ((ulong) (packet_end - packet) < MYSQL_LONG_DATA_HEADER)
@ -2368,10 +2394,12 @@ Prepared_statement::Prepared_statement(THD *thd_arg)
*last_error= '\0';
}
void Prepared_statement::setup_set_params()
{
/* Setup binary logging */
if (mysql_bin_log.is_open() && is_update_query(lex->sql_command))
if (mysql_bin_log.is_open() && is_update_query(lex->sql_command) ||
mysql_log.is_open() || mysql_slow_log.is_open())
{
set_params_from_vars= insert_params_from_vars_with_log;
#ifndef EMBEDDED_LIBRARY
@ -2392,6 +2420,7 @@ void Prepared_statement::setup_set_params()
}
Prepared_statement::~Prepared_statement()
{
if (cursor)