/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ #include "cpc_sketch_c_adapter.h" #include "allocator.h" #include "postgres_h_substitute.h" #include #include typedef datasketches::cpc_sketch_alloc> cpc_sketch_pg; typedef datasketches::cpc_union_alloc> cpc_union_pg; void cpc_init() { datasketches::cpc_init>(); } void cpc_cleanup() { } void* cpc_sketch_new(unsigned lg_k) { try { return new (palloc(sizeof(cpc_sketch_pg))) cpc_sketch_pg(lg_k, datasketches::DEFAULT_SEED); } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); } void cpc_sketch_delete(void* sketchptr) { try { static_cast(sketchptr)->~cpc_sketch_pg(); pfree(sketchptr); } catch (std::exception& e) { pg_error(e.what()); } } void cpc_sketch_update(void* sketchptr, const void* data, unsigned length) { try { static_cast(sketchptr)->update(data, length); } catch (std::exception& e) { pg_error(e.what()); } } double cpc_sketch_get_estimate(const void* sketchptr) { try { return static_cast(sketchptr)->get_estimate(); } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); } Datum* cpc_sketch_get_estimate_and_bounds(const void* sketchptr, unsigned num_std_devs) { try { Datum* est_and_bounds = (Datum*) palloc(sizeof(Datum) * 3); est_and_bounds[0] = pg_float8_get_datum(static_cast(sketchptr)->get_estimate()); est_and_bounds[1] = pg_float8_get_datum(static_cast(sketchptr)->get_lower_bound(num_std_devs)); est_and_bounds[2] = pg_float8_get_datum(static_cast(sketchptr)->get_upper_bound(num_std_devs)); return est_and_bounds; } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); } char* cpc_sketch_to_string(const void* sketchptr) { try { auto str = static_cast(sketchptr)->to_string(); const size_t len = str.length() + 1; char* buffer = (char*) palloc(len); strncpy(buffer, str.c_str(), len); return buffer; } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); } struct ptr_with_size cpc_sketch_serialize(const void* sketchptr, unsigned header_size) { try { ptr_with_size p; auto bytes = new (palloc(sizeof(cpc_sketch_pg::vector_bytes))) cpc_sketch_pg::vector_bytes( static_cast(sketchptr)->serialize(header_size) ); p.ptr = bytes->data(); p.size = bytes->size(); return p; } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); } void* cpc_sketch_deserialize(const char* buffer, unsigned length) { try { return new (palloc(sizeof(cpc_sketch_pg))) cpc_sketch_pg(cpc_sketch_pg::deserialize(buffer, length, datasketches::DEFAULT_SEED)); } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); } void* cpc_union_new(unsigned lg_k) { try { return new (palloc(sizeof(cpc_union_pg))) cpc_union_pg(lg_k, datasketches::DEFAULT_SEED); } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); } void cpc_union_delete(void* unionptr) { try { static_cast(unionptr)->~cpc_union_pg(); pfree(unionptr); } catch (std::exception& e) { pg_error(e.what()); } } void cpc_union_update(void* unionptr, const void* sketchptr) { try { static_cast(unionptr)->update(std::move(*static_cast(sketchptr))); } catch (std::exception& e) { pg_error(e.what()); } } void* cpc_union_get_result(void* unionptr) { try { return new (palloc(sizeof(cpc_sketch_pg))) cpc_sketch_pg(static_cast(unionptr)->get_result()); } catch (std::exception& e) { pg_error(e.what()); } pg_unreachable(); }