Function nodeAlterTableDropNotNull

server/ast/alter_table.go:377–387

nodeAlterTableDropNotNull converts a tree.AlterTableDropNotNull instance into an equivalent vitess.DDL instance.

(ctx *Context, node *tree.AlterTableDropNotNull, tableName vitess.TableName, ifExists bool)

// nodeAlterTableDropNotNull converts a tree.AlterTableDropNotNull instance into an equivalent vitess.DDL instance.
func nodeAlterTableDropNotNull(ctx *Context, node *tree.AlterTableDropNotNull, tableName vitess.TableName, ifExists bool) (*vitess.DDL, error) {
	return &vitess.DDL{
		Action:   "alter",
		Table:    tableName,
		IfExists: ifExists,
		NotNullSpec: &vitess.NotNullSpec{
			Action: "drop",
			Column: vitess.NewColIdent(node.Column.String()),
		},
	}, nil
}

// nodeAlterTableSetNotNull converts a tree.AlterTableSetNotNull instance into an equivalent vitess.DDL instance.
func nodeAlterTableSetNotNull(ctx *Context, node *tree.AlterTableSetNotNull, tableName vitess.TableName, ifExists bool) (*vitess.DDL, error) {