cqlsh>CREATEKEYSPACEexampleWITHreplication= {'class':'SimpleStrategy','replication_factor' :1}; cqlsh>CREATETABLEexample.oorder (idintprimarykey); cqlsh>INSERTintoexample.oorder (id)values (1); cqlsh>INSERTintoexample.oorder (id)values (2); 试用cassandra_fdw 创建扩展 CREATEEXTENSIONcassandra_fdw;...
We're looking at using postgres_fdw, and while setting it up for a test using postgres 9.4.4, I noticed that it doesn't seemto honor role inheritance. For example, having created foreign_server: create role local_group with nologin; ...
For example, without a user- > supplied password, libpq might successfully make a connection > because it got a password out of ~postgres/.pgpass, or because the > "peer" auth method authenticated the connection as coming from a > postgres-owned process, etc. So there's a question as ...
You can change the location of a file as well. For example, the query above will not work if you are on windows. You'll need to specify the drive letter as well. You can do this: ALTERFOREIGNTABLEstaging.aircraft OPTIONS(SETfilename'C:/fdw_data/aircraft.txt'); ...
For example: --- CREATE FOREIGN TABLE vzdalena_tabulka2(a int, b varchar) SERVER omega_db OPTIONS (table_name 'tabulka', batch_size '65536'); INSERT INTO vzdalena_tabulka2 SELECT i, 'AHOJ' || i FROM generate_series(1,65536) g(i); ERROR: number of parameters...
A simple example is as follows (you can run 'sudo -u postgres psql -U postgres' to connect the local postgresql server): CREATE DATABASE example; \c example CREATE EXTENSION lsm; CREATE SERVER lsm_server FOREIGN DATA WRAPPER lsm_fdw; CREATE FOREIGN TABLE student(id INTEGER, name TEXT) SER...
create extension if not exists wrappers with schema extensions; create foreign data wrapper wasm_wrapper handler wasm_fdw_handler validator wasm_fdw_validator; create server example_server foreign data wrapper wasm_wrapper options ( -- use 'file://' schema to reference the local wasm file in ...
Seems to return some JSON data with\u0000, leading to the error: Error: unsupported Unicode escape sequence Steampipe version (steampipe -v) Example: v0.2.5 To reproduce > select * from shodan_search where query = 'ssh -port:22'
By default, this example writes data into a GreptimeDB instance within the docker compose. It's also possible to write to your own GreptimeCloud instance by creating a greptime.env file from our sample greptime.env.sample and providing your host, dbname and authentication information.Then use...
postgres=# IMPORT FOREIGN SCHEMA "public" limit to (employee) FROM SERVER hr INTO public; In the above example, it will import the definition of only one table (employee). --- Advantages of foreign tables --- foreign tables V.S. remote SQL (1)need not duplication(完全一样) or replicat...