chore: pub use PgGetExprUDF

Author: sunng87

datafusion-postgres/src/pg_catalog.rs

@@ -26,6 +26,8 @@ mod pg_database;
 mod pg_namespace;
 mod pg_settings;
 
+pub use pg_get_expr_udf::PgGetExprUDF;
+
 const PG_CATALOG_TABLE_PG_AGGREGATE: &str = "pg_aggregate";
 const PG_CATALOG_TABLE_PG_AM: &str = "pg_am";
 const PG_CATALOG_TABLE_PG_AMOP: &str = "pg_amop";