SQL reference
- Overview
- Commands
- Overview
- ALTER CONNECTION
- ALTER DEFAULT PRIVILEGES
- ALTER DATABASE
- ALTER FUNCTION
- ALTER INDEX
- ALTER MATERIALIZED VIEW
- ALTER SCHEMA
- ALTER SECRET
- ALTER SINK
- ALTER SOURCE
- ALTER SUBSCRIPTION
- ALTER SWAP
- ALTER SYSTEM
- ALTER TABLE
- ALTER USER
- ALTER VIEW
- AS CHANGELOG
- BEGIN
- CANCEL JOBS
- COMMENT ON
- COMMIT
- CREATE AGGREGATE
- CREATE CONNECTION
- CREATE DATABASE
- CREATE FUNCTION
- CREATE INDEX
- CREATE MATERIALIZED VIEW
- CREATE SCHEMA
- CREATE SECRET
- CREATE SINK INTO
- CREATE SINK
- CREATE SOURCE
- CREATE TABLE
- CREATE USER
- CREATE VIEW
- DELETE
- DESCRIBE
- DISCARD
- DROP AGGREGATE
- DROP CONNECTION
- DROP DATABASE
- DROP FUNCTION
- DROP INDEX
- DROP MATERIALIZED VIEW
- DROP SCHEMA
- DROP SECRET
- DROP SINK
- DROP SOURCE
- DROP TABLE
- DROP USER
- DROP VIEW
- EXPLAIN
- EXPLAIN ANALYZE
- FLUSH
- GRANT
- INSERT
- RECOVER
- REVOKE
- SELECT
- SET BACKGROUND_DDL
- SET RW_IMPLICIT_FLUSH
- SET TIME ZONE
- SET
- SHOW CLUSTER
- SHOW COLUMNS
- SHOW CONNECTIONS
- SHOW CREATE INDEX
- SHOW CREATE MATERIALIZED VIEW
- SHOW CREATE SINK
- SHOW CREATE SOURCE
- SHOW CREATE TABLE
- SHOW CREATE VIEW
- SHOW CURSORS
- SHOW DATABASES
- SHOW FUNCTIONS
- SHOW INDEXES
- SHOW INTERNAL TABLES
- SHOW JOBS
- SHOW MATERIALIZED VIEWS
- SHOW PARAMETERS
- SHOW PROCESSLIST
- SHOW SCHEMAS
- SHOW SINKS
- SHOW SOURCES
- SHOW SUBSCRIPTION CURSORS
- SHOW TABLES
- SHOW VIEWS
- START TRANSACTION
- UPDATE
- Query syntax
- Data types
- Functions and operators
- Identifiers
- System catalogs
- Psql commands
Commands
DISCARD
Use the DISCARD command to reset the state of current session
Syntax
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DISCARD ALL;
Parameter
| Parameter | Description |
|---|---|
| All | Since RisingWave doesn’t support temporary object, this command will essentially do nothing. |
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