FUNCTIONUnder review

FCount

FCount() --> nRet

Counts work-area fields rather than records.

FCountAdvPL

01 · OVERVIEW

Overview

FCount inspects active-area structure and returns the field count. It does not count records and does not replace LastRec. The community source selects SA1 first; the adaptation explicitly qualifies the owned table rather than selecting a caller area to inspect metadata. EDTRB is an already-open owned test alias; ED_COD, when used, is a length-10 character field in the teaching schema. (TOTVS, n.d., ref. 1)

02 · SYNTAX

Syntax

FCount() --> nRet

Return value

Number of fields in the structure.

03 · PRACTICAL EXAMPLE

Commented example

#Include "Protheus.ch"

User Function Ed379()
    // Inspect metadata without visiting records.
    If Select("EDTRB") > 0
        ConOut(cValToChar(EDTRB->(FCount())))
    EndIf
Return Nil

Expected result

Count according to EDTRB schema; no row count. Under review: editorial example neither compiled nor run in Protheus. Check includes, release, RDD and context before testing.

BEST PRACTICES

Use only an owned test table with known schema. Qualify the alias, check record position and manage context changes under the caller contract.
Under review: editorial example neither compiled nor run in Protheus. Check includes, release, RDD and context before testing.

FCount

Overview

Syntax

Return value

Commented example

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