Change: ‘createSequence’
Creates a new database sequence
Available Attributes
| Name | Description |
|---|---|
| cacheSize | integerNumber of values to fetch per queryE.g. '371717' |
| catalogName | Name of the catalog@ v3.0E.g. 'cat' |
| cycle | booleanCan the sequence cycle when it hits the max value? |
| dataType | Data type of the sequenceSupported by: asany, db2z, derby, firebird, h2, informix, postgresqlE.g. 'int' |
| incrementBy | integerInterval between sequence numbersSupported by: asany, db2, db2z, derby, h2, hsqldb, informix, mssql, oracle, postgresqlE.g. '2' |
| maxValue | integerThe maximum value of the sequenceSupported by: asany, db2, db2z, derby, h2, informix, mssql, oracle, postgresqlE.g. '1000' |
| minValue | integerThe minimum value of the sequenceSupported by: asany, db2, db2z, derby, h2, informix, mssql, oracle, postgresqlE.g. '10' |
| ordered | booleanDoes the sequence need to be guaranteed to be generated in the order of request?Supported by: asany, db2, db2z, derby, firebird, h2, informix, mssql, oracle |
| schemaName | Name of the schemaE.g. 'public' |
| sequenceName | Name of the sequence to createE.g. 'seq_id' |
| startValue | integerThe first sequence number to be generated.Supported by: asany, db2, db2z, derby, h2, hsqldb, informix, mssql, oracle, postgresqlE.g. '5' |
<changeSet author="liquibase-docs" id="createSequence-example">
<createSequence cacheSize="371717"
catalogName="cat"
cycle="true"
dataType="int"
incrementBy="2"
maxValue="1000"
minValue="10"
ordered="true"
schemaName="public"
sequenceName="seq_id"
startValue="5"/>
</changeSet>changeSet:
id: createSequence-example
author: liquibase-docs
changes:
- createSequence:
cacheSize: 371717
catalogName: cat
cycle: true
dataType: int
incrementBy: 2
maxValue: 1000
minValue: 10
ordered: true
schemaName: public
sequenceName: seq_id
startValue: 5{
"changeSet": {
"id": "createSequence-example",
"author": "liquibase-docs",
"changes": [
{
"createSequence": {
"cacheSize": 371717,
"catalogName": "cat",
"cycle": true,
"dataType": "int",
"incrementBy": 2,
"maxValue": 1000,
"minValue": 10,
"ordered": true,
"schemaName": "public",
"sequenceName": "seq_id",
"startValue": 5
}
}]
}
}SQL Generated From Above Sample (SQL Server)
CREATE SEQUENCE [public].seq_id AS int START WITH 5 INCREMENT BY 2 MINVALUE 10 MAXVALUE 1000 ORDER CYCLE;Database Support
| Database | Notes | Auto Rollback |
|---|---|---|
| DB2/LUW | Supported | Yes |
| DB2/z | Supported | Yes |
| Derby | Supported | Yes |
| Firebird | Supported | Yes |
| H2 | Supported | Yes |
| HyperSQL | Supported | Yes |
| INGRES | Not Supported | Yes |
| Informix | Supported | Yes |
| MariaDB | Not Supported | Yes |
| MySQL | Not Supported | Yes |
| Oracle | Supported | Yes |
| PostgreSQL | Supported | Yes |
| SQL Server | Supported | Yes |
| SQLite | Not Supported | Yes |
| Sybase | Not Supported | Yes |
| Sybase Anywhere | Supported | Yes |