SET datestyle = 'ISO'; CREATE SERVER binary_decimal_loopback FOREIGN DATA WRAPPER clickhouse_fdw OPTIONS(dbname 'decimal_test', driver 'binary'); CREATE SERVER http_decimal_loopback FOREIGN DATA WRAPPER clickhouse_fdw OPTIONS(dbname 'decimal_test', driver 'http'); CREATE USER MAPPING FOR CURRENT_USER SERVER binary_decimal_loopback; CREATE USER MAPPING FOR CURRENT_USER SERVER http_decimal_loopback; SELECT clickhouse_raw_query('DROP DATABASE IF EXISTS decimal_test'); SELECT clickhouse_raw_query('CREATE DATABASE decimal_test'); SELECT clickhouse_raw_query($$ CREATE TABLE decimal_test.decimals ( id Int32 NOT NULL, dec Decimal(8, 0) NOT NULL, dec32 Decimal32(4) NOT NULL, dec64 Decimal64(6) NOT NULL, dec128 Decimal128(8) NOT NULL ) ENGINE = MergeTree PARTITION BY id ORDER BY (id); $$); CREATE SCHEMA dec_bin; CREATE SCHEMA dec_http; IMPORT FOREIGN SCHEMA "decimal_test" FROM SERVER binary_decimal_loopback INTO dec_bin; \d dec_bin.decimals IMPORT FOREIGN SCHEMA "decimal_test" FROM SERVER http_decimal_loopback INTO dec_http; \d dec_http.decimals -- Fails pending https://github.com/ClickHouse/clickhouse-cpp/issues/422 INSERT INTO dec_bin.decimals (id, dec, dec32, dec64, dec128) VALUES (1, 42::NUMERIC, 98.6::NUMERIC, 102.4::NUMERIC, 1024.003::NUMERIC), (2, 9999, 9999.9999, 9999999.999999, 99999999999.99999999), (3, -9999, -9999.9999, -9999999.999999, -99999999999.99999999) ; INSERT INTO dec_http.decimals VALUES (4, 1000000::NUMERIC, 10000::NUMERIC, 3000000000::NUMERIC, 400000000000::NUMERIC), (5, -1, -0.0001, -0.000001, -0.00000001), (6, 0, 0, 0, 0) ; SELECT * FROM dec_bin.decimals ORDER BY id; SELECT * FROM dec_http.decimals ORDER BY id; SELECT clickhouse_raw_query('DROP DATABASE decimal_test'); DROP USER MAPPING FOR CURRENT_USER SERVER binary_decimal_loopback; DROP USER MAPPING FOR CURRENT_USER SERVER http_decimal_loopback; DROP SERVER binary_decimal_loopback CASCADE; DROP SERVER http_decimal_loopback CASCADE;