To increase schema security we do not want to mix our own internal
objects with user objects. Since chunks are created in the
_timescaledb_internal schema our internal functions should live in
a different dedicated schema. This patch make the necessary
adjustments for the following functions:
- relation_size(regclass)
- data_node_hypertable_info(name, name, name)
- data_node_chunk_info(name, name, name)
- hypertable_local_size(name, name)
- hypertable_remote_size(name, name)
- chunks_local_size(name, name)
- chunks_remote_size(name, name)
- range_value_to_pretty(bigint, regtype)
- get_approx_row_count(regclass)
- data_node_compressed_chunk_stats(name, name, name)
- compressed_chunk_local_stats(name, name)
- compressed_chunk_remote_stats(name, name)
- indexes_local_size(name, name)
- data_node_index_size(name, name, name)
- indexes_remote_size(name, name, name)