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Rechercher dans le manuel MySQL
28. 7. 7. 62 mysql _result _metadata ()
enum enum_resultset_metadata
mysql_result_metadata(MYSQL_RES *result)
Description
mysql_result_metadata()
returns a value that indicates whether a result set has
metadata. It can be useful for metadata-optional connections
when the client does not know in advance whether particular
result sets have metadata. For example, if a client executes a
stored procedure that returns multiple result sets and might
change the resultset_metadata
system variable, the client can invoke
mysql_result_metadata()
for
each result set to determine whether it has metadata.
For details about managing result set metadata transfer, see Section 28.7.27, “C API Optional Result Set Metadata”.
mysql_result_metadata()
returns one of these values:
enum enum_resultset_metadata {
RESULTSET_METADATA_NONE= 0,
RESULTSET_METADATA_FULL= 1
};
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