string compileEnableForeignKeyConstraints() Compile the command to enable

array compileDropColumn(Blueprint $blueprint,

string parameter(mixed $value) Get the appropriate query parameter place-holder

string getValue(Expression $expression)

string compileDisableForeignKeyConstraints() Compile the command to disable

string compileIndex(Blueprint $blueprint,

string compileIndex(Blueprint $blueprint,

array compileAdd(Blueprint $blueprint,

string compileForeign(Blueprint $blueprint,

string compileDropForeign(Blueprint $blueprint,