Function bind_postgres_create_property_graph 

pub fn bind_postgres_create_property_graph(
    input: &str,
    create: &CreatePropertyGraph,
    catalog: &dyn PgqSourceCatalog,
) -> Result<PropertyGraphSchema, PgqCreateBindError>

Validate a parsed creation against a source snapshot and return its schema.

input must be the text from which create was parsed. This operation neither installs the schema nor changes query routing, storage, or catalog state.