52.43. `pg_propgraph_label_property`
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## 52.43. `pg_propgraph_label_property` #

The catalog `pg_propgraph_label_property` stores information about the properties in a property graph that are specific to a label. In particular, this stores the expression that defines the property.

Table 52.43. `pg_propgraph_label_property` Columns

Column Type Description
`oid` `oid` Row identifier
`plppropid` `oid` (references `pg_propgraph_property`.`oid`) Reference to the property
`plpellabelid` `oid` (references `pg_propgraph_element_label`.`oid`) Reference to the label (indirectly via `pg_propgraph_element_label`, which then links to `pg_propgraph_label`)
`plpexpr` `pg_node_tree` Expression tree (in `nodeToString()` representation) for the property's definition. The expression references the table reached via `pg_propgraph_element_label` and `pg_propgraph_element`.

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