DataBlade API Programmer's Manual

DataBlade API Programmer's Manual
Chapter 12: DataBlade API Function Descriptions

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mi_get_row_desc_without_row()

The mi_get_row_desc_without_row() function gets a pointer to the row descriptor for the last statement that returned row data sent on the specified connection.

Syntax

MI_ROW_DESC *mi_get_row_desc_without_row(conn)

		MI_CONNECTION *conn; 


conn
is the connection descriptor established by a previous call to mi_open() or mi_server_connect().


Several functions that return information about columns require an MI_ROW_DESC as an input parameter.







 



Valid in Client Application?

Valid in Server Routine?

Yes
Yes

Usage

A row descriptor is an MI_ROW_DESC structure that describes the structure of a row of data.

Use mi_get_row_desc_without_row() for getting a row descriptor when a SELECT statement does not return any rows or before the rows have been fetched with mi_next_row().

Return Values

On success, returns a pointer to the row descriptor for the last query that returned rows on the specified connection; on failure, returns NULL. Returns NULL if the current statement is not a statement that returns rows.

DataBlade API Programmer's ManualChapter 12: DataBlade API Function Descriptions Home Contents Index Master Index New Book

mi_get_row_desc_without_row()

Syntax

Usage

Return Values

Related Topics

DataBlade API Programmer's Manual
Chapter 12: DataBlade API Function Descriptions

Home Contents Index Master Index New Book