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Fix for MIN/MAX with empty tables

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MIN(key_column) could in some cases return NULL on a column with NULL and other values.
MIN(key_column) and MAX(key_column) could in some cases return wrong values when used in OUTER JOIN.
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monty@mashka.mysql.fi
2003-02-03 20:20:32 +02:00
parent c42e94a6e6
commit e3cd63521c
8 changed files with 158 additions and 27 deletions
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libmysqld/libmysqld.c
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@ -62,7 +62,7 @@ my_string mysql_unix_port=0;
#define closesocket(A) close(A)
#endif
static void mysql_once_init(void);
void STDCALL mysql_once_init(void);
static MYSQL_DATA *read_rows (MYSQL *mysql,MYSQL_FIELD *fields,
uint field_count);
static int read_one_row(MYSQL *mysql,uint fields,MYSQL_ROW row,