MySQL 5.6 C API Developer Guide
const char * mysql_info(MYSQL *mysql)
Retrieves a string providing information about the most
recently executed statement, but only for the statements
listed here. For other statements,
mysql_info()
returns
NULL
. The format of the string varies
depending on the type of statement, as described here. The
numbers are illustrative only; the string contains values
appropriate for the statement.
String format: Records: 100 Duplicates: 0
Warnings: 0
INSERT INTO ... VALUES
(...),(...),(...)...
String format: Records: 3 Duplicates: 0 Warnings:
0
String format: Records: 1 Deleted: 0 Skipped: 0
Warnings: 0
String format: Records: 3 Duplicates: 0 Warnings:
0
String format: Rows matched: 40 Changed: 40
Warnings: 0
mysql_info()
returns a
non-NULL
value for
INSERT ...
VALUES
only for the multiple-row form of the
statement (that is, only if multiple value lists are
specified).
A character string representing additional information about
the most recently executed statement. NULL
if no information is available for the statement.