---
title: "SQL-183: OutputDocumentQueryProvider.GetDocumentDate"
summary: Read operation for `OutputDocumentQueryProvider.GetDocumentDate`
status: draft
owner: SAIF.Core documentation team
last_reviewed: 2026-09-24
library: SAIF.Data
reference_type: package
---

# SQL-183: OutputDocumentQueryProvider.GetDocumentDate

This statement is a read operation invoked through ORM (NHibernate LINQ). Executed by `OutputDocumentQueryProvider.GetDocumentDate`.

## Classification

| Field | Value |
| --- | --- |
| **SQL ID** | SQL-183 |
| **Operation type** | Read |
| **Execution method** | ORM (NHibernate LINQ) |
| **Database** | Oracle* |
| **Schema** | [unqualified]** |
| **Command type** | N/A (ORM-generated) |
| **Business object** | `OutputDocumentQueryProvider` |
| **Criteria property** | N/A — ORM |
| **Lifecycle method** | `GetDocumentDate` |


## Tables

| Table | Access | Columns used |
| --- | --- | --- |
| [batch_process_log](../database-tables.md#batch_process_log) | SELECT | module, control_text, run_date |

## LINQ statement

Source: `Data/SAIF.Data/Queries/OutputDocuments/OutputDocumentQueryProvider.cs:41-43`.

```csharp
public DateTime GetDocumentDate()
{
    var entry = Factory.GetRepository<BatchProcessLog>().Query()
        .Where(x => x.Module == "DOCUMENTDATE")
        .OrderByDescending(x => x.RunDate).FirstOrDefault();

    return entry.IsNull()
        ? DateTime.Today
        : entry.RunDate;

}
```

## Sample SQL

> **Inferred SQL:** This SQL was inferred from the LINQ statement above and the NHibernate mappings. It is not concrete SQL from source code; NHibernate generates the executed statement at runtime, so aliases, column order, join syntax, and bind-parameter names may differ.

```sql
-- Inferred from LINQ (NHibernate mapping translation); not concrete SQL
SELECT * FROM (
  SELECT
    BPL.module,
    BPL.control_text,
    BPL.run_date
  FROM batch_process_log BPL
  WHERE BPL.module = 'DOCUMENTDATE'
  ORDER BY BPL.run_date DESC
) WHERE ROWNUM <= 1
```

Translation notes:
- `module` is the entity Id (`BatchProcessLogMap.cs:13`), so at most one row can match and the ORDER BY/ROWNUM are effectively redundant.
- When no row is found, the method returns `DateTime.Today` in memory.

## Operations and processes

- [Output document queries](../operations/output-document-queries.md)

## Business rules

- [SD-BR-070 Output document status code set](../business-rules.md#sd-br-070-output-document-status-code-set)
- [SD-BR-071 Document date defaults from batch process log](../business-rules.md#sd-br-071-document-date-defaults-from-batch-process-log)
- [SD-BR-075 Child documents only retrievable for a released parent](../business-rules.md#sd-br-075-child-documents-only-retrievable-for-a-released-parent)

## Sources
- `Data/SAIF.Data/Queries/OutputDocuments/OutputDocumentQueryProvider.cs:41`