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parentClosureEntityMetadata.treeOptions\n                              .closureTableName\n                        : parentClosureEntityMetadata.tableNameWithoutPrefix,\n                type: \"closure-junction\",\n            },\n        })\n        entityMetadata.build()\n\n        // create ancestor and descendant columns for new closure junction table\n        parentClosureEntityMetadata.primaryColumns.forEach((primaryColumn) => {\n            entityMetadata.ownColumns.push(\n                new ColumnMetadata({\n                    connection: this.connection,\n                    entityMetadata: entityMetadata,\n                    closureType: \"ancestor\",\n                    referencedColumn: primaryColumn,\n                    args: {\n                        target: \"\",\n                        mode: \"virtual\",\n                        propertyName:\n                            parentClosureEntityMetadata.treeOptions &&\n                            parentClosureEntityMetadata.treeOptions\n                                .ancestorColumnName\n                                ? parentClosureEntityMetadata.treeOptions.ancestorColumnName(\n                                      primaryColumn,\n                                  )\n                                : primaryColumn.propertyName + \"_ancestor\",\n                        options: {\n                            primary: true,\n                            length: primaryColumn.length,\n                            type: primaryColumn.type,\n                        },\n                    },\n                }),\n            )\n            entityMetadata.ownColumns.push(\n                new ColumnMetadata({\n                    connection: this.connection,\n                    entityMetadata: entityMetadata,\n                    closureType: \"descendant\",\n                    referencedColumn: primaryColumn,\n                    args: {\n                        target: \"\",\n                        mode: \"virtual\",\n                        propertyName:\n                            parentClosureEntityMetadata.treeOptions &&\n                            parentClosureEntityMetadata.treeOptions\n                                .descendantColumnName\n                                ? parentClosureEntityMetadata.treeOptions.descendantColumnName(\n                                      primaryColumn,\n                                  )\n                                : primaryColumn.propertyName + \"_descendant\",\n                        options: {\n                            primary: true,\n                            length: primaryColumn.length,\n                            type: primaryColumn.type,\n                        },\n                    },\n                }),\n            )\n        })\n\n        entityMetadata.ownIndices = [\n            new IndexMetadata({\n                entityMetadata: entityMetadata,\n                columns: [entityMetadata.ownColumns[0]],\n                args: {\n                    target: entityMetadata.target,\n                    synchronize: true,\n                },\n            }),\n            new IndexMetadata({\n                entityMetadata: entityMetadata,\n                columns: [entityMetadata.ownColumns[1]],\n                args: {\n                    target: entityMetadata.target,\n                    synchronize: true,\n                },\n            }),\n        ]\n\n        // if tree level column was defined by a closure entity then add it to the junction columns as well\n        if (parentClosureEntityMetadata.treeLevelColumn) {\n            entityMetadata.ownColumns.push(\n                new ColumnMetadata({\n                    connection: this.connection,\n                    entityMetadata: entityMetadata,\n                    args: {\n                        target: \"\",\n                        mode: \"virtual\",\n                        propertyName: \"level\",\n                        options: {\n                            type: this.connection.driver.mappedDataTypes\n                                .treeLevel,\n                        },\n                    },\n                }),\n            )\n        }\n\n        // create junction table foreign keys\n        // Note: CASCADE is not applied to mssql because it does not support multi cascade paths\n        entityMetadata.foreignKeys = [\n            new ForeignKeyMetadata({\n                entityMetadata: entityMetadata,\n                referencedEntityMetadata: parentClosureEntityMetadata,\n                columns: [entityMetadata.ownColumns[0]],\n                referencedColumns: parentClosureEntityMetadata.primaryColumns,\n                onDelete:\n                    this.connection.driver.options.type === \"mssql\"\n                        ? \"NO ACTION\"\n                        : \"CASCADE\",\n            }),\n            new ForeignKeyMetadata({\n                entityMetadata: entityMetadata,\n                referencedEntityMetadata: parentClosureEntityMetadata,\n                columns: [entityMetadata.ownColumns[1]],\n                referencedColumns: parentClosureEntityMetadata.primaryColumns,\n                onDelete:\n                    this.connection.driver.options.type === \"mssql\"\n                        ? \"NO ACTION\"\n                        : \"CASCADE\",\n            }),\n        ]\n\n        return entityMetadata\n    }\n}\n"],"sourceRoot":".."}