diff options
Diffstat (limited to 'sql/table.cc')
| -rw-r--r-- | sql/table.cc | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/sql/table.cc b/sql/table.cc index a54cc4d5a73..dd5a957f984 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -37,7 +37,27 @@ static byte* get_field_name(Field *buff,uint *length, return (byte*) buff->field_name; } - /* Open a .frm file */ +/* + Open a .frm file + + SYNOPSIS + openfrm() + + name path to table-file "db/name" + alias alias for table + db_stat open flags (for example HA_OPEN_KEYFILE|HA_OPEN_RNDFILE..) + can be 0 (example in ha_example_table) + prgflag READ_ALL etc.. + ha_open_flags HA_OPEN_ABORT_IF_LOCKED etc.. + outparam result table + + RETURN VALUES + 0 ok + 1 Error (see frm_error) + 2 Error (see frm_error) + 3 Wrong data in .frm file + 4 Error (see frm_error) +*/ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag, uint ha_open_flags, TABLE *outparam) @@ -1127,13 +1147,20 @@ rename_file_ext(const char * from,const char * to,const char * ext) /* - Alloc a value as a string and return it - If field is empty, return NULL + Allocate string field in MEM_ROOT and return it as NULL-terminated string + + SYNOPSIS + get_field() + mem MEM_ROOT for allocating + field Field for retrieving of string + + RETURN VALUES + NullS string is empty + # pointer to NULL-terminated string value of field */ -char *get_field(MEM_ROOT *mem, TABLE *table, uint fieldnr) +char *get_field(MEM_ROOT *mem, Field *field) { - Field *field=table->field[fieldnr]; char buff[MAX_FIELD_WIDTH]; String str(buff,sizeof(buff),default_charset_info); field->val_str(&str,&str); |