Method Sql.tds()->big_query()->fetch_fields()
- Method
fetch_fields
array
(mapping
(string
:mixed
)) fetch_fields()- Description
Fetch a description of the fields in the result.
- Returns
Returns an array with a mapping for each of the fields in the result.
The mappings contain the following information:
Standard fields:
"name"
:string
The name of the field.
"table"
:string
|void
The name of the table (if available).
TDS-specific fields:
"nullable"
:bool
1
if the field may contain NULL."writeable"
:bool
1
if the field may be changed."identity"
:bool
1
if the field is the identity for the row."column_size"
:int
Width of the field.
"timestamp"
:bool
Time stamp information for last change is available.
"column_prec"
:int
|void
Precision of the field.
"column_scale"
:int
|void
Scale exponent of the field.
"usertype"
:int
Internal use only.
"flags"
:int
"column_type"
:int
"cardinal_type"
:int
"varint_size"
:int