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Added microseconds support for prepared statements:

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datetime, timestamp and time to string conversion now returns microsenconds
This commit is contained in:
Georg Richter
2013-04-30 18:02:53 +02:00
parent d99bccf5eb
commit d1c151a0ab
2 changed files with 82 additions and 1 deletions
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12
libmariadb/my_stmt_codec.c
View File

@@ -760,10 +760,22 @@ void ps_fetch_datetime(MYSQL_BIND *r_param, const MYSQL_FIELD * field,
break;
case MYSQL_TYPE_TIME:
length= sprintf(dtbuffer, "%s%02u:%02u:%02u", (tm.neg ? "-" : ""), tm.hour, tm.minute, tm.second);
if (tm.second_part)
{
char helper[16];
sprintf(helper, ".%%0%du", field->decimals);
length+= sprintf(dtbuffer + length, helper, tm.second_part);
}
break;
case MYSQL_TYPE_DATETIME:
case MYSQL_TYPE_TIMESTAMP:
length= sprintf(dtbuffer, "%04u-%02u-%02u %02u:%02u:%02u", tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second);
if (tm.second_part)
{
char helper[16];
sprintf(helper, ".%%0%du", field->decimals);
length+= sprintf(dtbuffer + length, helper, tm.second_part);
}
break;
default:
dtbuffer[0]= 0;

71
unittest/libmariadb/ps.c
View File

@@ -4594,7 +4594,6 @@ static int test_long_data1(MYSQL *mysql)
{
MYSQL_STMT *stmt;
int rc;
MYSQL_RES *result;
MYSQL_BIND bind[1];
char query[MAX_TEST_QUERY_LENGTH];
char *data= "12345";
@@ -4658,7 +4657,77 @@ int test_blob_9000(MYSQL *mysql)
return OK;
}
int test_fracseconds(MYSQL *mysql)
{
MYSQL_STMT *stmt;
int rc;
char *str= "SELECT NOW(6)";
char buffer[60], buffer1[60];
MYSQL_BIND bind[2];
stmt= mysql_stmt_init(mysql);
rc= mysql_stmt_prepare(stmt, str, strlen(str));
check_stmt_rc(rc, stmt);
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
memset(&bind, 0, sizeof(MYSQL_BIND));
bind[0].buffer= buffer;
bind[0].buffer_length=60;
bind[0].buffer_type= MYSQL_TYPE_STRING;
rc= mysql_stmt_bind_result(stmt, bind);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_fetch(stmt);
check_stmt_rc(rc, stmt);
FAIL_IF(strlen(buffer) != 26, "Expected timestamp with length of 26");
rc= mysql_stmt_close(stmt);
check_stmt_rc(rc, stmt);
rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "CREATE TABLE t1 (a timestamp(6), b time(6))");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "INSERT INTO t1 VALUES ('2012-04-25 10:20:49.0194','10:20:49.0194' )");
check_mysql_rc(rc, mysql);
stmt= mysql_stmt_init(mysql);
rc= mysql_stmt_prepare(stmt, "SELECT a,b FROM t1", 18);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
memset(bind, 0, 2 * sizeof(MYSQL_BIND));
bind[0].buffer= buffer;
bind[1].buffer= buffer1;
bind[0].buffer_length= bind[1].buffer_length= 60;
bind[0].buffer_type= bind[1].buffer_type= MYSQL_TYPE_STRING;
rc= mysql_stmt_bind_result(stmt, bind);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_fetch(stmt);
check_stmt_rc(rc, stmt);
FAIL_IF(strcmp(buffer, "2012-04-25 10:20:49.019400") != 0, "Wrong result");
FAIL_IF(strcmp(buffer1, "10:20:49.019400") != 0, "Wrong result");
rc= mysql_stmt_close(stmt);
check_stmt_rc(rc, stmt);
rc= mysql_query(mysql, "DROP TABLE t1");
return OK;
}
struct my_tests_st my_tests[] = {
{"test_fracseconds", test_fracseconds, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_blob_9000", test_blob_9000, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},
{"test_long_data1", test_long_data1, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},
{"test_prepare_insert_update", test_prepare_insert_update, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},