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TIBCO iProcess® Engine 11.10.0

# wait_step

The `wait_step` table holds information about each step that is currently being waited for by a wait defined in the wait table.

## Structure

The `wait_step` table has the following structure:

    TABLE wait_step (
    	node_id		INTEGER		NOT NULL,
    	proc_id		INTEGER		NOT NULL,
    	wait_id		NUMERIC(10) 	NOT NULL,
    	step_id		NUMERIC(10) 	NOT NULL)

Column | Description
`node_id` | ID of the node that the wait is hosted on, as defined in the nodes table.
`proc_id` | ID of the procedure that the wait belongs to, as defined in the proc_index table.
`wait_id` | ID of the wait, as defined in the wait_step table.
`step_id` | Number of the step that is being waited for, as defined (by the `step_num` column) in the status table.

## Primary Key

The following primary key is defined for this table.

Key Name | Column(s)
`pk_wait_step` | `wait_id step_id`

## Foreign Keys

The following foreign key is defined for this table.

Key Name | Column(s) | Referenced in Table...
`fk_wait_step` 1 This key enforces the DELETE CASCADE referential action. | `node_id wait_id` | wait

## Indexes

The following indexes are defined for this table.

Index Name | Column(s) Indexed
`idx_wait_step_fk` | `wait_id node_id`
`idx_wait_step` | `wait_id proc_id`

## Table Activity

The `wait_step` table contains one row for each for each step currently being waited for.

Rows are added, updated and deleted in the following situations.

A row is... | When...
added | a new wait is triggered.
updated | never.
deleted | a step that is being waited for is released or withdrawn.

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TIBCO iProcess® Engine