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SQL-170: Retrieve DocumentTemplateOutputProfile

GetRequestLogXElement reads the DOCUMENT_TEMPLATE_OP rows for a document template's output profiles. IsWordDocument builds a second, differently-filtered query object but never enumerates it — the query is checked only with IQueryable.IsNull(), which is always false, so IsWordDocument always returns true and issues no SQL at all.

Classification

Field Value
SQL ID SQL-170
Operation type Read
Execution method ORM (NHibernate LINQ)
Database Oracle
Schema [unqualified]**
Command type N/A (ORM-generated)
Business object DocumentTemplateOutputProfile
Criteria property N/A — ORM
Lifecycle method GetRequestLogXElement, IsWordDocument

Parameters

Parameter Direction Type Max length Description
:templateId Input long N/A = theRequest.MyDocTemplate.Id, captured → column DOCUMENT_TEMPLATE_SEQ_NUM (statement 1, executed)

Tables

Table Access Columns used
DOCUMENT_TEMPLATE_OP SELECT all mapped columns; filter DOCUMENT_TEMPLATE_SEQ_NUM (statement 1, executed)

LINQ statement

Source: Services/SAIF.Services/Documents/DocumentRequestService.cs:159. Second fragment (never enumerated — see below) at Services/SAIF.Services/Documents/DocumentRequestService.cs:242.

// Services/SAIF.Services/Documents/DocumentRequestService.cs:159
var outputProfiles = UnitOfWork.GetRepository<DocumentTemplateOutputProfile>().Query().Where(a => a.DocumentTemplateSeqNum == theRequest.MyDocTemplate.Id).ToList();

// Services/SAIF.Services/Documents/DocumentRequestService.cs:242
var result = UnitOfWork.GetRepository<DocumentTemplateOutputProfile>().Query().Where(a => a.DocumentTemplateSeqNum == docId && a.DocumentOutputProfileCode.Code == "WORD");

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.

-- Inferred from LINQ (NHibernate mapping translation); not concrete SQL
-- (1) L159 — GetRequestLogXElement (executed)
SELECT DTOP.DOCUMENT_TEMPLATE_OP_SEQ_NUM,
       DTOP.DOCUMENT_TEMPLATE_SEQ_NUM,
       DTOP.CREATE_USER,
       DTOP.CREATE_DATE,
       DTOP.DOCUMENT_OP_CODE
FROM   DOCUMENT_TEMPLATE_OP DTOP
WHERE  DTOP.DOCUMENT_TEMPLATE_SEQ_NUM = :templateId;

Dead code finding — statement (2), L242 (IsWordDocument): the IQueryable built at L242 is never enumerated. IsWordDocument only calls result.IsNull() at L243, which is a null check on the query object — that object is never null, so the check always evaluates false, IsWordDocument always returns true, and no query — inferred or otherwise — is ever sent to the database for this branch. No SQL block is shown for it because none executes. Had it been enumerated, it would filter on DOCUMENT_TEMPLATE_SEQ_NUM = :docId AND DOCUMENT_OP_CODE = 'WORD' (a.DocumentOutputProfileCode.Code is the reference identifier, so it resolves to the FK column with no join to DOCUMENT_OP_CODE).

Translation notes: - Mapping quirk: leading space in .Column(" DOCUMENT_TEMPLATE_SEQ_NUM") (trimmed here). - a.DocumentOutputProfileCode.Code (statement 2, if it were reachable) is the reference identifier → FK column DOCUMENT_TEMPLATE_OP.DOCUMENT_OP_CODE; DOCUMENT_OP_CODE is never joined.

Operations and processes

Sources

  • Services/SAIF.Services/Documents/DocumentRequestService.cs (L159, L242)