(args ...any)
| 48 | } |
| 49 | |
| 50 | func (s *Stmt) write(args ...any) error { |
| 51 | paramsNum := s.params |
| 52 | |
| 53 | if len(args) != paramsNum { |
| 54 | return fmt.Errorf("argument mismatch, need %d but got %d", s.params, len(args)) |
| 55 | } |
| 56 | |
| 57 | paramTypes := make([]byte, paramsNum<<1) |
| 58 | paramValues := make([][]byte, paramsNum) |
| 59 | |
| 60 | // NULL-bitmap, length: (num-params+7) |
| 61 | nullBitmap := make([]byte, (paramsNum+7)>>3) |
| 62 | |
| 63 | length := 1 + 4 + 1 + 4 + ((paramsNum + 7) >> 3) + 1 + (paramsNum << 1) |
| 64 | |
| 65 | var newParamBoundFlag byte = 0 |
| 66 | |
| 67 | for i := range args { |
| 68 | if args[i] == nil { |
| 69 | nullBitmap[i/8] |= (1 << (uint(i) % 8)) |
| 70 | paramTypes[i<<1] = MYSQL_TYPE_NULL |
| 71 | continue |
| 72 | } |
| 73 | |
| 74 | newParamBoundFlag = 1 |
| 75 | |
| 76 | switch v := args[i].(type) { |
| 77 | case int8: |
| 78 | paramTypes[i<<1] = MYSQL_TYPE_TINY |
| 79 | paramValues[i] = []byte{byte(v)} |
| 80 | case int16: |
| 81 | paramTypes[i<<1] = MYSQL_TYPE_SHORT |
| 82 | paramValues[i] = Uint16ToBytes(uint16(v)) |
| 83 | case int32: |
| 84 | paramTypes[i<<1] = MYSQL_TYPE_LONG |
| 85 | paramValues[i] = Uint32ToBytes(uint32(v)) |
| 86 | case int: |
| 87 | paramTypes[i<<1] = MYSQL_TYPE_LONGLONG |
| 88 | paramValues[i] = Uint64ToBytes(uint64(v)) |
| 89 | case int64: |
| 90 | paramTypes[i<<1] = MYSQL_TYPE_LONGLONG |
| 91 | paramValues[i] = Uint64ToBytes(uint64(v)) |
| 92 | case uint8: |
| 93 | paramTypes[i<<1] = MYSQL_TYPE_TINY |
| 94 | paramTypes[(i<<1)+1] = 0x80 |
| 95 | paramValues[i] = []byte{v} |
| 96 | case uint16: |
| 97 | paramTypes[i<<1] = MYSQL_TYPE_SHORT |
| 98 | paramTypes[(i<<1)+1] = 0x80 |
| 99 | paramValues[i] = Uint16ToBytes(v) |
| 100 | case uint32: |
| 101 | paramTypes[i<<1] = MYSQL_TYPE_LONG |
| 102 | paramTypes[(i<<1)+1] = 0x80 |
| 103 | paramValues[i] = Uint32ToBytes(v) |
| 104 | case uint: |
| 105 | paramTypes[i<<1] = MYSQL_TYPE_LONGLONG |
| 106 | paramTypes[(i<<1)+1] = 0x80 |
| 107 | paramValues[i] = Uint64ToBytes(uint64(v)) |
no test coverage detected