bpchar.go

Documentation: github.com/jackc/pgtype

     1  package pgtype
     2  
     3  import (
     4  	"database/sql/driver"
     5  	"fmt"
     6  )
     7  
     8  // BPChar is fixed-length, blank padded char type
     9  // character(n), char(n)
    10  type BPChar Text
    11  
    12  // Set converts from src to dst.
    13  func (dst *BPChar) Set(src interface{}) error {
    14  	return (*Text)(dst).Set(src)
    15  }
    16  
    17  // Get returns underlying value
    18  func (dst BPChar) Get() interface{} {
    19  	return (Text)(dst).Get()
    20  }
    21  
    22  // AssignTo assigns from src to dst.
    23  func (src *BPChar) AssignTo(dst interface{}) error {
    24  	switch src.Status {
    25  	case Present:
    26  		switch v := dst.(type) {
    27  		case *rune:
    28  			runes := []rune(src.String)
    29  			if len(runes) == 1 {
    30  				*v = runes[0]
    31  				return nil
    32  			}
    33  		case *string:
    34  			*v = src.String
    35  			return nil
    36  		case *[]byte:
    37  			*v = make([]byte, len(src.String))
    38  			copy(*v, src.String)
    39  			return nil
    40  		default:
    41  			if nextDst, retry := GetAssignToDstType(dst); retry {
    42  				return src.AssignTo(nextDst)
    43  			}
    44  			return fmt.Errorf("unable to assign to %T", dst)
    45  		}
    46  	case Null:
    47  		return NullAssignTo(dst)
    48  	}
    49  
    50  	return fmt.Errorf("cannot decode %#v into %T", src, dst)
    51  }
    52  
    53  func (BPChar) PreferredResultFormat() int16 {
    54  	return TextFormatCode
    55  }
    56  
    57  func (dst *BPChar) DecodeText(ci *ConnInfo, src []byte) error {
    58  	return (*Text)(dst).DecodeText(ci, src)
    59  }
    60  
    61  func (dst *BPChar) DecodeBinary(ci *ConnInfo, src []byte) error {
    62  	return (*Text)(dst).DecodeBinary(ci, src)
    63  }
    64  
    65  func (BPChar) PreferredParamFormat() int16 {
    66  	return TextFormatCode
    67  }
    68  
    69  func (src BPChar) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) {
    70  	return (Text)(src).EncodeText(ci, buf)
    71  }
    72  
    73  func (src BPChar) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
    74  	return (Text)(src).EncodeBinary(ci, buf)
    75  }
    76  
    77  // Scan implements the database/sql Scanner interface.
    78  func (dst *BPChar) Scan(src interface{}) error {
    79  	return (*Text)(dst).Scan(src)
    80  }
    81  
    82  // Value implements the database/sql/driver Valuer interface.
    83  func (src BPChar) Value() (driver.Value, error) {
    84  	return (Text)(src).Value()
    85  }
    86  
    87  func (src BPChar) MarshalJSON() ([]byte, error) {
    88  	return (Text)(src).MarshalJSON()
    89  }
    90  
    91  func (dst *BPChar) UnmarshalJSON(b []byte) error {
    92  	return (*Text)(dst).UnmarshalJSON(b)
    93  }
    94
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