NewBooleanColumn return an instance of SBooleanColumn.

NewCompoundColumn returns an instance of CompoundColumn.

NewDateTimeColumn returns an instance of DateTime column.

NewFloatColumn returns an instance of SFloatColumn.

NewIntegerColumn return an instance of SIntegerColumn.

NewTextColumn return an instance of STextColumn.

NewTimeTypeColumn return an instance of STimeTypeColumn.

NewTristateColumn return an instance of STristateColumn.

CompoundColumn represents a column of compound tye, e.g.

SBooleanColumn represents a boolean type column, which is a int(1) for mysql, with value of true or false.

SDateTimeColumn represents a DateTime type of column.

SFloatColumn represents a float type column, e.g.

SIntegerColumn represents an integer type of column, with value of integer.

STextColumn represents a text type of column.

STimeTypeColumn represents a Detetime type of column, e.g.

STristateColumn represents a tristate type column, with value of true, false or none.