diff options
Diffstat (limited to 'vendor/github.com/lib/pq/rows.go')
-rw-r--r-- | vendor/github.com/lib/pq/rows.go | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/vendor/github.com/lib/pq/rows.go b/vendor/github.com/lib/pq/rows.go deleted file mode 100644 index c6aa5b9..0000000 --- a/vendor/github.com/lib/pq/rows.go +++ /dev/null @@ -1,93 +0,0 @@ -package pq - -import ( - "math" - "reflect" - "time" - - "github.com/lib/pq/oid" -) - -const headerSize = 4 - -type fieldDesc struct { - // The object ID of the data type. - OID oid.Oid - // The data type size (see pg_type.typlen). - // Note that negative values denote variable-width types. - Len int - // The type modifier (see pg_attribute.atttypmod). - // The meaning of the modifier is type-specific. - Mod int -} - -func (fd fieldDesc) Type() reflect.Type { - switch fd.OID { - case oid.T_int8: - return reflect.TypeOf(int64(0)) - case oid.T_int4: - return reflect.TypeOf(int32(0)) - case oid.T_int2: - return reflect.TypeOf(int16(0)) - case oid.T_varchar, oid.T_text: - return reflect.TypeOf("") - case oid.T_bool: - return reflect.TypeOf(false) - case oid.T_date, oid.T_time, oid.T_timetz, oid.T_timestamp, oid.T_timestamptz: - return reflect.TypeOf(time.Time{}) - case oid.T_bytea: - return reflect.TypeOf([]byte(nil)) - default: - return reflect.TypeOf(new(interface{})).Elem() - } -} - -func (fd fieldDesc) Name() string { - return oid.TypeName[fd.OID] -} - -func (fd fieldDesc) Length() (length int64, ok bool) { - switch fd.OID { - case oid.T_text, oid.T_bytea: - return math.MaxInt64, true - case oid.T_varchar, oid.T_bpchar: - return int64(fd.Mod - headerSize), true - default: - return 0, false - } -} - -func (fd fieldDesc) PrecisionScale() (precision, scale int64, ok bool) { - switch fd.OID { - case oid.T_numeric, oid.T__numeric: - mod := fd.Mod - headerSize - precision = int64((mod >> 16) & 0xffff) - scale = int64(mod & 0xffff) - return precision, scale, true - default: - return 0, 0, false - } -} - -// ColumnTypeScanType returns the value type that can be used to scan types into. -func (rs *rows) ColumnTypeScanType(index int) reflect.Type { - return rs.colTyps[index].Type() -} - -// ColumnTypeDatabaseTypeName return the database system type name. -func (rs *rows) ColumnTypeDatabaseTypeName(index int) string { - return rs.colTyps[index].Name() -} - -// ColumnTypeLength returns the length of the column type if the column is a -// variable length type. If the column is not a variable length type ok -// should return false. -func (rs *rows) ColumnTypeLength(index int) (length int64, ok bool) { - return rs.colTyps[index].Length() -} - -// ColumnTypePrecisionScale should return the precision and scale for decimal -// types. If not applicable, ok should be false. -func (rs *rows) ColumnTypePrecisionScale(index int) (precision, scale int64, ok bool) { - return rs.colTyps[index].PrecisionScale() -} |