15.10 - Response Buffer Length - Call-Level Interface Version 2

Teradata Call-Level Interface Version 2 Reference for Mainframe-Attached Systems

prodname
Call-Level Interface Version 2
vrm_release
15.10
category
Programming Reference
featnum
B035-2417-035K

Response Buffer Length is a four byte field that specifies the desired length of the buffer in which responses received from the Teradata Database are made available to the application.

 

In this language...

The variable name for Response Buffer Length is...

COBOL

DBCAREA‑RESP‑BUF‑LEN

PL/I

RESP_BUF_LEN

C

resp_buf_len

IBM Assembler

DBCIFBRL

 

This routine...

Does this for Response Buffer Length...

DBCHINI

writes

DBCHCL

reads (CON; RSUP; IWPF; CMD; IRQ; CRQ)

 

Response Buffer Length is used by...

To...

applications

write

The value of zero indicates that DBCHCL is to use the default value from the HSHSPB bytes for the Response Buffer Length.

The application may change the value in Response Buffer Length. The minimum value is 256.

 

The maximum value is approximately. . .

If Maximum Parcel is set to...

32767

O

65535

H

2,147,483,639

H, and the Teradata Database supports ExtendedRespond, as indicated by the DBCHQE Extended‑response‑support query.

The actual maximum may vary slightly with the version of the Teradata Database being used; the value may be obtained using the DBCHQE CLIv2‑limits query.

If Two Response Buffers in the DBCAREA is set to ‘Y‘, each response buffer is the specified size.