FromColumnType returns the T that corresponds to the input ColumnType.

FromColumnTypes calls FromColumnType on each element of cts, returning the resulting slice.

FromGoType returns the type for a Go value, if applicable.

GetDatumToPhysicalFn returns a function for converting a datum of the given ColumnType to the corresponding Go type.

Bool is a column of type bool.

Bytes is a column of type []byte.

Decimal is a column of type apd.Decimal.

Float32 is a column of type float32.

Float64 is a column of type float64.

Int16 is a column of type int16.

Int32 is a column of type int32.

Int64 is a column of type int64.

Int8 is a column of type int8.

Unhandled is a temporary value that represents an unhandled type.

AllTypes is slice of all exec types.

T represents an exec physical type - a bytes representation of a particular column type.