addColumn()

Signature

addColumn() — returns void

Available in: migration Category: Migration Functions

Description

adds a column to existing table Only available in a migration CFC

Parameters

Name	Type	Required	Default	Description
table	string	yes	—	The Name of the table to add the column to
columnType	string	yes	—	The type of the new column
columnName	string	yes	—	THe name of the new column
afterColumn	string	no	—	The name of the column which this column should be inserted after
referenceName	string	no	—	Name for new reference column, see documentation for references function, required if columnType is ‘reference’
default	string	no	—	Default value for this column
allowNull	boolean	no	—	Whether to allow NULL values
limit	numeric	no	—	Character or integer size limit for column
precision	numeric	no	—	precision value for decimal columns, i.e. number of digits the column can hold
scale	numeric	no	—	scale value for decimal columns, i.e. number of digits that can be placed to the right of the decimal point (must be less than or equal to precision)