rollback
Issues a java.sql.Connection.rollback request.
Syntax
ROLLBACK
Description
Issues a java.sql.Connection.rollback request. Use only if auto-commit is off. A java.sql.Connection.rollback request undoes the currently active transaction and initiates a new transaction.
Example
snappy> SET ISOLATION read committed;
0 rows inserted/updated/deleted
snappy> VALUES CURRENT ISOLATION;
1
----
CS
1 row selected
snappy> AUTOCOMMIT off;
snappy> insert into airlines VALUES ('AN', 'Another New Airline', 0.20, 0.07, 0.6, 1.7, 20, 10, 5);
1 row inserted/updated/deleted
snappy> select * from airlines;
A&|AIRLINE_FULL |BASIC_RATE |DISTANCE_DISCOUNT |BUSINESS_LEVEL_FACTOR |FIRSTCLASS_LEVEL_FACT&|ECONOMY_SE&|BUSINESS_S&|FIRSTCLASS&
-----------------------------------------------------------------------------------------------------------------------------------------------------------
NA|New Airline |0.2 |0.07 |0.6 |1.7 |20 |10 |5
US|Union Standard Airlines |0.19 |0.05 |0.4 |1.6 |20 |10 |5
AA|Amazonian Airways |0.18 |0.03 |0.5 |1.5 |20 |10 |5
AN|Another New Airline |0.2 |0.07 |0.6 |1.7 |20 |10 |5
4 rows selected
snappy> ROLLBACK;
snappy> select * from airlines;
A&|AIRLINE_FULL |BASIC_RATE |DISTANCE_DISCOUNT |BUSINESS_LEVEL_FACTOR |FIRSTCLASS_LEVEL_FACT&|ECONOMY_SE&|BUSINESS_S&|FIRSTCLASS&
-----------------------------------------------------------------------------------------------------------------------------------------------------------
NA|New Airline |0.2 |0.07 |0.6 |1.7 |20 |10 |5
US|Union Standard Airlines |0.19 |0.05 |0.4 |1.6 |20 |10 |5
AA|Amazonian Airways |0.18 |0.03 |0.5 |1.5 |20 |10 |5
3 rows selected