Resultset row
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Text resultset row
- for each column
- string<lenenc> column data
Binary resultset row
- byte<1> 0x00 header
- byte<(number_of_columns + 9) / 8> NULL-Bitmap
- for number_of_columns
- if column value is not null
- if type in (BIGINT, DOUBLE)
- int<8> column value
- if type in (INTEGER, MEDIUMINT, FLOAT)
- int<4> column value
- if type in (SMALLINT, YEAR)
- int<2> column value
- if type in (TINYINT)
- int<1> column value
- else
- string<lenenc> column value
- if type in (BIGINT, DOUBLE)
- if column value is not null
NULL-Bitmap values
The NULL-Bitmap indicate if parameters for a column is null (one bit per parameter) beginning with 3rd bit. NULL-bitmap size is (number_of_columns + 9) / 8.
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