diff options
| -rw-r--r-- | include/myisam.h | 2 | ||||
| -rw-r--r-- | sql/sql_prepare.cc | 29 | ||||
| -rw-r--r-- | tests/mysql_client_test.c | 58 |
3 files changed, 87 insertions, 2 deletions
diff --git a/include/myisam.h b/include/myisam.h index d590a29c1b3..7547f6b475e 100644 --- a/include/myisam.h +++ b/include/myisam.h @@ -55,8 +55,6 @@ extern "C" { #define MI_MAX_MSG_BUF 1024 /* used in CHECK TABLE, REPAIR TABLE */ #define MI_NAME_IEXT ".MYI" #define MI_NAME_DEXT ".MYD" -/* Max extra space to use when sorting keys */ -#define MI_MAX_TEMP_LENGTH 2*1024L*1024L*1024L /* Possible values for myisam_block_size (must be power of 2) */ #define MI_KEY_BLOCK_LENGTH 1024 /* default key block length */ diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc index 09ae0acc6ad..089e751900e 100644 --- a/sql/sql_prepare.cc +++ b/sql/sql_prepare.cc @@ -791,6 +791,19 @@ static void setup_one_conversion_function(THD *thd, Item_param *param, } #ifndef EMBEDDED_LIBRARY + +/** + Check whether this parameter data type is compatible with long data. + Used to detect whether a long data stream has been supplied to a + incompatible data type. +*/ +inline bool is_param_long_data_type(Item_param *param) +{ + return ((param->param_type >= MYSQL_TYPE_TINY_BLOB) && + (param->param_type <= MYSQL_TYPE_STRING)); +} + + /** Routines to assign parameters from data supplied by the client. @@ -860,6 +873,14 @@ static bool insert_params_with_log(Prepared_statement *stmt, uchar *null_array, DBUG_RETURN(1); } } + /* + A long data stream was supplied for this parameter marker. + This was done after prepare, prior to providing a placeholder + type (the types are supplied at execute). Check that the + supplied type of placeholder can accept a data stream. + */ + else if (!is_param_long_data_type(param)) + DBUG_RETURN(1); res= param->query_val_str(&str); if (param->convert_str_value(thd)) DBUG_RETURN(1); /* out of memory */ @@ -898,6 +919,14 @@ static bool insert_params(Prepared_statement *stmt, uchar *null_array, DBUG_RETURN(1); } } + /* + A long data stream was supplied for this parameter marker. + This was done after prepare, prior to providing a placeholder + type (the types are supplied at execute). Check that the + supplied type of placeholder can accept a data stream. + */ + else if (is_param_long_data_type(param)) + DBUG_RETURN(1); if (param->convert_str_value(stmt->thd)) DBUG_RETURN(1); /* out of memory */ } diff --git a/tests/mysql_client_test.c b/tests/mysql_client_test.c index a490cac054d..f18eb72a167 100644 --- a/tests/mysql_client_test.c +++ b/tests/mysql_client_test.c @@ -19060,6 +19060,63 @@ static void test_bug42373() } +/** + Bug#54041: MySQL 5.0.92 fails when tests from Connector/C suite run +*/ + +static void test_bug54041() +{ + int rc; + MYSQL_STMT *stmt; + MYSQL_BIND bind; + + DBUG_ENTER("test_bug54041"); + myheader("test_bug54041"); + + rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1"); + myquery(rc); + + rc= mysql_query(mysql, "CREATE TABLE t1 (a INT)"); + myquery(rc); + + stmt= mysql_simple_prepare(mysql, "INSERT INTO t1 (a) VALUES (?)"); + check_stmt(stmt); + verify_param_count(stmt, 1); + + memset(&bind, 0, sizeof(bind)); + + /* Any type that does not support long data handling. */ + bind.buffer_type= MYSQL_TYPE_LONG; + + rc= mysql_stmt_bind_param(stmt, &bind); + check_execute(stmt, rc); + + /* + Trick the client API into sending a long data packet for + the parameter. Long data is only supported for string and + binary types. + */ + stmt->params[0].buffer_type= MYSQL_TYPE_STRING; + + rc= mysql_stmt_send_long_data(stmt, 0, "data", 5); + check_execute(stmt, rc); + + /* Undo API violation. */ + stmt->params[0].buffer_type= MYSQL_TYPE_LONG; + + rc= mysql_stmt_execute(stmt); + /* Incorrect arguments. */ + check_execute_r(stmt, rc); + + mysql_stmt_close(stmt); + + rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1"); + myquery(rc); + + DBUG_VOID_RETURN; +} + + /* Bug#49972: Crash in prepared statements. @@ -19500,6 +19557,7 @@ static struct my_tests_st my_tests[]= { { "test_bug44495", test_bug44495 }, { "test_bug49972", test_bug49972 }, { "test_bug42373", test_bug42373 }, + { "test_bug54041", test_bug54041 }, { 0, 0 } }; |