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Client APIs and toolsYou can use the HCL OneDB™ implementation of client APIs to develop applications for HCL OneDB™ database servers.
ESQL/C GuideThe HCL OneDB™ ESQL/C Programmer's Manual explains how to use , the HCL OneDB™ implementation of Embedded Structured Query Language (SQL) for C (ESQL/C), to create client applications with database-management capabilities.
Database server communication
Working with the database serverThese topics explain how the HCL® OneDB® ESQL/C program can interact with a database server.
Interact with the database server
Error checking during data transfer

Error checking during data transfer

The IFX_LOB_XFERSIZE environment variable is used to specify the number of kilobytes in a CLOB or BLOB to transfer from a client application to the database server before checking whether an error has occurred. The error check occurs each time the specified number of kilobytes is transferred. If an error occurs, the remaining data is not sent and an error is reported. If no error occurs, the file transfer continues until it finishes.

The valid range for IFX_LOB_XFERSIZE is 1 - 9223372036854775808 KB. The IFX_LOB_XFERSIZE environment variable is set on the client.