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SQL Syntax for Prepared Statements (WL#1622)
ps.test, ps.result:
  new file
This commit is contained in:
sergefp@mysql.com
2004-04-05 19:43:37 +04:00
parent 3bfbe6e0dd
commit a8386d01c2
13 changed files with 555 additions and 24 deletions
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23
sql/sql_class.cc
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@ -78,6 +78,23 @@ extern "C" void free_user_var(user_var_entry *entry)
my_free((char*) entry,MYF(0));
}
/****************************************************************************
** SQL syntax names for Prepared Statements
****************************************************************************/
extern "C" byte *get_stmt_key(SQL_PREP_STMT_ENTRY *entry, uint *length,
my_bool not_used __attribute__((unused)))
{
*length=(uint) entry->name.length;
return (byte*) entry->name.str;
}
extern "C" void free_sql_stmt(SQL_PREP_STMT_ENTRY *entry)
{
char *pos= (char*) entry+ALIGN_SIZE(sizeof(*entry));
my_free((char*) entry,MYF(0));
}
/****************************************************************************
** Thread specific functions
@ -160,7 +177,10 @@ THD::THD():user_time(0), current_statement(0), is_fatal_error(0),
16);
else
bzero((char*) &user_var_events, sizeof(user_var_events));
hash_init(&sql_prepared_stmts, &my_charset_bin, USER_VARS_HASH_SIZE, 0, 0,
(hash_get_key) get_stmt_key,
(hash_free_key) free_sql_stmt,0);
/* Protocol */
protocol= &protocol_simple; // Default protocol
protocol_simple.init(this);
@ -279,6 +299,7 @@ void THD::cleanup(void)
my_free((char*) variables.datetime_format, MYF(MY_ALLOW_ZERO_PTR));
delete_dynamic(&user_var_events);
hash_free(&user_vars);
hash_free(&sql_prepared_stmts);
if (global_read_lock)
unlock_global_read_lock(this);
if (ull)