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-rw-r--r--libmysql/libmysql.c21
-rw-r--r--sql-common/my_time.c3
-rw-r--r--tests/client_test.c101
3 files changed, 120 insertions, 5 deletions
diff --git a/libmysql/libmysql.c b/libmysql/libmysql.c
index 2dfdfbb687b..9195f0a5bc5 100644
--- a/libmysql/libmysql.c
+++ b/libmysql/libmysql.c
@@ -1752,6 +1752,7 @@ static void stmt_update_metadata(MYSQL_STMT *stmt, MYSQL_ROWS *data);
*/
#define MAX_DATETIME_REP_LENGTH 12
+#define MAX_DOUBLE_STRING_REP_LENGTH 331
/**************** Misc utility functions ****************************/
@@ -3265,7 +3266,12 @@ static void read_binary_time(MYSQL_TIME *tm, uchar **pos)
tm->second= (uint) to[7];
tm->second_part= (length > 8) ? (ulong) sint4korr(to+8) : 0;
tm->year= tm->month= 0;
-
+ if (tm->day)
+ {
+ /* Convert days to hours at once */
+ tm->hour+= tm->day*24;
+ tm->day= 0;
+ }
*pos+= length;
}
else
@@ -3558,7 +3564,7 @@ static void fetch_float_with_conversion(MYSQL_BIND *param, MYSQL_FIELD *field,
floating point -> string conversion nicely, honor all typecodes
and param->offset possibly set in mysql_stmt_fetch_column
*/
- char buff[331];
+ char buff[MAX_DOUBLE_STRING_REP_LENGTH];
char *end;
/* TODO: move this to a header shared between client and server. */
#define NOT_FIXED_DEC 31
@@ -3992,32 +3998,43 @@ my_bool STDCALL mysql_stmt_bind_result(MYSQL_STMT *stmt, MYSQL_BIND *bind)
switch (field->type) {
case MYSQL_TYPE_NULL: /* for dummy binds */
param->pack_length= 0;
+ field->max_length= 0;
break;
case MYSQL_TYPE_TINY:
param->pack_length= 1;
+ field->max_length= 4; /* as in '-127' */
break;
case MYSQL_TYPE_YEAR:
case MYSQL_TYPE_SHORT:
param->pack_length= 2;
+ field->max_length= 6; /* as in '-32767' */
break;
case MYSQL_TYPE_INT24:
+ field->max_length= 9; /* as in '16777216' or in '-8388607' */
+ param->pack_length= 4;
+ break;
case MYSQL_TYPE_LONG:
+ field->max_length= 11; /* '-2147483647' */
param->pack_length= 4;
break;
case MYSQL_TYPE_LONGLONG:
+ field->max_length= 21; /* '18446744073709551616' */
param->pack_length= 8;
break;
case MYSQL_TYPE_FLOAT:
param->pack_length= 4;
+ field->max_length= MAX_DOUBLE_STRING_REP_LENGTH;
break;
case MYSQL_TYPE_DOUBLE:
param->pack_length= 8;
+ field->max_length= MAX_DOUBLE_STRING_REP_LENGTH;
break;
case MYSQL_TYPE_TIME:
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_DATETIME:
case MYSQL_TYPE_TIMESTAMP:
param->skip_result= skip_result_with_length;
+ field->max_length= MAX_DATE_STRING_REP_LENGTH;
break;
case MYSQL_TYPE_DECIMAL:
case MYSQL_TYPE_ENUM:
diff --git a/sql-common/my_time.c b/sql-common/my_time.c
index be349285b88..6c020466e1e 100644
--- a/sql-common/my_time.c
+++ b/sql-common/my_time.c
@@ -743,9 +743,6 @@ void set_zero_time(MYSQL_TIME *tm)
int my_time_to_str(const MYSQL_TIME *l_time, char *to)
{
uint extra_hours= 0;
- /* Get extra hours, if we are getting data from the server */
- if (l_time->year == 0 && l_time->month == 0)
- extra_hours= l_time->day*24;
return my_sprintf(to, (to, "%s%02d:%02d:%02d",
(l_time->neg ? "-" : ""),
extra_hours+ l_time->hour,
diff --git a/tests/client_test.c b/tests/client_test.c
index 562f6e307d3..48676ae7e12 100644
--- a/tests/client_test.c
+++ b/tests/client_test.c
@@ -10713,6 +10713,106 @@ static void test_bug6081()
rc= simple_command(mysql, COM_CREATE_DB, current_db,
(ulong)strlen(current_db), 0);
myquery_r(rc);
+ rc= mysql_select_db(mysql, current_db);
+ myquery(rc);
+}
+
+
+static void test_bug6096()
+{
+ MYSQL_STMT *stmt;
+ MYSQL_RES *query_result, *stmt_metadata;
+ const char *stmt_text;
+ MYSQL_BIND bind[12];
+ MYSQL_FIELD *query_field_list, *stmt_field_list;
+ ulong query_field_count, stmt_field_count;
+ int rc;
+ uint i;
+
+ myheader("test_bug6096");
+
+ stmt_text= "drop table if exists t1";
+ rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
+ myquery(rc);
+
+ stmt_text= "create table t1 (c_tinyint tinyint, c_smallint smallint, "
+ " c_mediumint mediumint, c_int int, "
+ " c_bigint bigint, c_float float, "
+ " c_double double, c_varchar varchar(20), "
+ " c_char char(20), c_time time, c_date date, "
+ " c_datetime datetime)";
+ rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
+ myquery(rc);
+ stmt_text= "insert into t1 values (-100, -20000, 30000000, 4, 8, 1.0, "
+ "2.0, 'abc', 'def', now(), now(), now())";
+ rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
+ myquery(rc);
+
+ stmt_text= "select * from t1";
+
+ /* Run select in prepared and non-prepared mode and compare metadata */
+ rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
+ myquery(rc);
+ query_result= mysql_store_result(mysql);
+ query_field_list= mysql_fetch_fields(query_result);
+ query_field_count= mysql_num_fields(query_result);
+
+ stmt= mysql_stmt_init(mysql);
+ rc= mysql_stmt_prepare(stmt, stmt_text, strlen(stmt_text));
+ check_execute(stmt, rc);
+ rc= mysql_stmt_execute(stmt);
+ check_execute(stmt, rc);
+ rc= 1;
+ mysql_stmt_attr_set(stmt, STMT_ATTR_UPDATE_MAX_LENGTH, (void*)&rc);
+ mysql_stmt_store_result(stmt);
+ stmt_metadata= mysql_stmt_result_metadata(stmt);
+ stmt_field_list= mysql_fetch_fields(stmt_metadata);
+ stmt_field_count= mysql_num_fields(stmt_metadata);
+ DIE_UNLESS(stmt_field_count == query_field_count);
+
+ /* Print out and check the metadata */
+
+ printf(" ---------------------------------------------------------------\n");
+ printf(" | Metadata \n");
+ printf(" ---------------------------------------------------------------\n");
+ printf(" | Query | Prepared statement \n");
+ printf(" ---------------------------------------------------------------\n");
+ printf(" field name | length | max_length | length | max_length \n");
+ printf(" ---------------------------------------------------------------\n");
+
+ for (i= 0; i < query_field_count; ++i)
+ {
+ MYSQL_FIELD *f1= &query_field_list[i], *f2= &stmt_field_list[i];
+ printf(" %-11s | %9lu | %10lu | %9lu | %10lu \n",
+ f1->name, f1->length, f1->max_length, f2->length, f2->max_length);
+ DIE_UNLESS(f1->length == f2->length);
+ }
+ printf(" ---------------------------------------------------------------\n");
+
+ /* Bind and fetch the data */
+
+ bzero(bind, sizeof(bind));
+ for (i= 0; i < stmt_field_count; ++i)
+ {
+ bind[i].buffer_type= MYSQL_TYPE_STRING;
+ bind[i].buffer_length= stmt_field_list[i].max_length + 1;
+ bind[i].buffer= malloc(bind[i].buffer_length);
+ }
+ mysql_stmt_bind_result(stmt, bind);
+ rc= mysql_stmt_fetch(stmt);
+ check_execute(stmt, rc);
+ rc= mysql_stmt_fetch(stmt);
+ DIE_UNLESS(rc == MYSQL_NO_DATA);
+
+ /* Clean up */
+
+ for (i= 0; i < stmt_field_count; ++i)
+ free(bind[i].buffer);
+ mysql_stmt_close(stmt);
+ mysql_free_result(query_result);
+ stmt_text= "drop table t1";
+ rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
+ myquery(rc);
}
@@ -11031,6 +11131,7 @@ int main(int argc, char **argv)
test_bug6059(); /* correct metadata for SELECT ... INTO OUTFILE */
test_bug6046(); /* NATURAL JOIN transformation works in PS */
test_bug6081(); /* test of mysql_create_db()/mysql_rm_db() */
+ test_bug6096(); /* max_length for numeric columns */
/*
XXX: PLEASE RUN THIS PROGRAM UNDER VALGRIND AND VERIFY THAT YOUR TEST
DOESN'T CONTAIN WARNINGS/ERRORS BEFORE YOU PUSH.