Package io.nflow.engine.config.db

Class PgDatabaseConfiguration.PostgreSQLVariants

java.lang.Object

io.nflow.engine.config.db.PgDatabaseConfiguration.PostgreSQLVariants

All Implemented Interfaces:

SQLVariants

Enclosing class:

PgDatabaseConfiguration

public static class PgDatabaseConfiguration.PostgreSQLVariants
extends Object
implements SQLVariants

SQL variants optimized for PostgreSQL.

Constructor Summary

Constructors

Constructor	Description
PostgreSQLVariants()

Method Summary

Modifier and Type	Method	Description
String	actionType()	Returns SQL representing the action type parameter.
String	castToText()	Returns string for casting value to text.
String	currentTimePlusSeconds(int seconds)	Returns SQL representing the current database time plus given amount of seconds.
String	forUpdateSkipLocked()	PostgreSQL suppports for update skip locked.
boolean	hasUpdateableCTE()	Returns true as PostgreSQL supports updateable CTEs.
boolean	hasUpdateReturning()	Returns true as PostgreSQL supports update returning clause.
String	limit(String query, long limit)	Returns SQL for a query with a limit of results.
int	longTextType()	Returns the SQL type for long text.
String	nextActivationUpdate()	Returns SQL representing the next activation time of the workflow instance.
boolean	useBatchUpdate()	Returns true as PostgreSQL suppports batch updates.
String	workflowStatus()	Returns SQL representing the workflow instance status parameter.
String	workflowStatus(WorkflowInstance.WorkflowInstanceStatus status)	Returns the SQL representation for given workflow instance status.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.nflow.engine.internal.storage.db.SQLVariants

caseSensitiveLike, clobToComparable, dateLtEqDiff, getDateTime, getTimestamp, setDateTime, toTimestampObject, tuneTimestampForDb, withUpdateSkipLocked

Constructor Details

PostgreSQLVariants

public PostgreSQLVariants()

Method Details

currentTimePlusSeconds

public String currentTimePlusSeconds(int seconds)

Returns SQL representing the current database time plus given amount of seconds.

Specified by:

currentTimePlusSeconds in interface SQLVariants

hasUpdateReturning

public boolean hasUpdateReturning()

Returns true as PostgreSQL supports update returning clause.

Specified by:

hasUpdateReturning in interface SQLVariants

hasUpdateableCTE

public boolean hasUpdateableCTE()

Returns true as PostgreSQL supports updateable CTEs.

Specified by:

hasUpdateableCTE in interface SQLVariants

nextActivationUpdate

public String nextActivationUpdate()

Returns SQL representing the next activation time of the workflow instance.

Specified by:

nextActivationUpdate in interface SQLVariants

workflowStatus

public String workflowStatus(WorkflowInstance.WorkflowInstanceStatus status)

Returns the SQL representation for given workflow instance status.

Specified by:

workflowStatus in interface SQLVariants

workflowStatus

public String workflowStatus()

Returns SQL representing the workflow instance status parameter.

Specified by:

workflowStatus in interface SQLVariants

actionType

public String actionType()

Returns SQL representing the action type parameter.

Specified by:

actionType in interface SQLVariants

castToText

public String castToText()

Returns string for casting value to text.

Specified by:

castToText in interface SQLVariants

limit

public String limit(String query,
 long limit)

Returns SQL for a query with a limit of results.

Specified by:

limit in interface SQLVariants

longTextType

public int longTextType()

Returns the SQL type for long text.

Specified by:

longTextType in interface SQLVariants

useBatchUpdate

public boolean useBatchUpdate()

Returns true as PostgreSQL suppports batch updates.

Specified by:

useBatchUpdate in interface SQLVariants

forUpdateSkipLocked

public String forUpdateSkipLocked()

PostgreSQL suppports for update skip locked.

Specified by:

forUpdateSkipLocked in interface SQLVariants