apm_package_delete (public)

 apm_package_delete [ -sql_drop_scripts sql_drop_scripts ] \
    [ -callback callback ] [ -remove_files ] [ -delete_site_nodes ] \
    package_key

Defined in packages/acs-tcl/tcl/apm-install-procs.tcl

De-install a package from the system. Will unmount and uninstantiate package instances, invoke any before-uninstall callback, source any provided sql drop scripts, remove message keys, and delete the package from the APM tables.

Switches:

-sql_drop_scripts

(optional)

-callback

(defaults to "apm_dummy_callback") (optional)

-remove_files

(boolean) (optional)

-delete_site_nodes

(boolean) (optional)

Parameters:

package_key

Partial Call Graph (max 5 caller/called nodes):

Testcases:

upgrade

Source code:

    # get the supposedly unique enabled version of this package
    set version_id [apm_version_id_from_package_key $package_key]

    # Unmount all instances of this package with the Tcl API that
    # invokes before-unmount callbacks
    db_transaction {
        set site_nodes [list]
        db_foreach all_package_instances {
            select site_nodes.node_id
            from apm_packages, site_nodes
            where apm_packages.package_id = site_nodes.object_id
            and   apm_packages.package_key = :package_key
        } {
            set url [site_node::get_url -node_id $node_id]
            apm_callback_and_log $callback "Unmounting package instance at url $url <br>"
            site_node::unmount -node_id $node_id
            lappend site_nodes $node_id
        }

        # Delete the package instances with Tcl API that invokes
        # before-uninstantiate callbacks
        db_foreach all_package_instances {
            select package_id
            from apm_packages
            where package_key = :package_key
        } {
            apm_callback_and_log $callback "Deleting package instance $package_id <br>"
            apm_package_instance_delete $package_id
        }

        # Invoke the before-uninstall Tcl callback before the sql drop scripts
        apm_invoke_callback_proc -version_id $version_id -type before-uninstall

        # Unregister I18N messages
        lang::catalog::package_delete -package_key $package_key

        # Remove package from APM tables
        apm_callback_and_log $callback "<li>Deleting $package_key..."
        db_exec_plsql apm_package_delete {}
    }

    # Source SQL drop scripts
    if {$sql_drop_scripts ne ""} {

        apm_callback_and_log $callback "Now executing drop scripts.
    <ul>
    "
        foreach path $sql_drop_scripts {
            apm_callback_and_log $callback "<li><pre>"
            db_source_sql_file -callback $callback "[acs_package_root_dir $package_key]/$path"
            apm_callback_and_log $callback "</pre>"
        }
    }

    # Optionally remove the files from the filesystem
    if {$remove_files_p==1} {
        if { [catch {
            file delete -force -- [acs_package_root_dir $package_key]
        } error] } {
            apm_callback_and_log $callback "<li>Unable to delete [acs_package_root_dir $package_key]:<font color=red>$error</font>"
        }
    }

    if {$delete_site_nodes_p} {
        # We also cleanup the leftover site nodes. We must check that
        # the nodes still exist because the uninstall callbacks might
        # have taken care of them already. We also need to make sure
        # that the nodes do not have subnodes, as the deletion would
        # fail otherwise.
        foreach node_id $site_nodes {
            if {[db_0or1row still_exists_and_is_leaf {
                select 1 from site_nodes n
                where node_id = :node_id
                  and not exists (select 1 from site_nodes
                                   where parent_id = n.node_id)
            }]} {
                site_node::delete -node_id $node_id
            }
        }
    }

    # Flush the installed_p cache
    acs::try_cache acs::misc_cache flush apm_package_installed-$package_key

    apm_callback_and_log $callback "<p>Done."

Generic XQL file:

packages/acs-tcl/tcl/apm-install-procs.xql

PostgreSQL XQL file:

<fullquery name="apm_package_delete.apm_package_delete">
    <querytext>

	    select apm_package_type__drop_type(
	        :package_key,
	        't'
            );
    
      </querytext>
</fullquery>

packages/acs-tcl/tcl/apm-install-procs-postgresql.xql

Oracle XQL file:

<fullquery name="apm_package_delete.apm_package_delete">
    <querytext>
      
	begin
	    apm_package_type.drop_type(
	        package_key => :package_key,
	        cascade_p => 't'
            );
	end;
    
      </querytext>
</fullquery>

packages/acs-tcl/tcl/apm-install-procs-oracle.xql