Module toast 

TOAST column handling for CDC tables with TOAST columns.

Functions

chunk_has_unavailable_value

Whether any row in the chunk carries an unchanged-TOAST placeholder in a TOAST-able column.

handle_toast_columns_for_postgres_cdc

Fix TOAST columns by replacing unavailable values with old row values.

is_debezium_unavailable_value 🔒

Check if a datum represents Debezium’s unavailable value placeholder. This function handles both scalar types and one-dimensional arrays.

is_unavailable_value_str 🔒

Fast string comparison to check if a string equals DEBEZIUM_UNAVAILABLE_VALUE. Optimized by checking length first to avoid expensive string comparison.