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.TH "mariadb_dyncol_column_count" "3" "" "Version 3.3.1" "MariaDB Connector/C"
.hy
.SS Name
.PP
mariadb_dyncol_column_count \- Get number of columns in dynamic column
blob ## Synopsis
.IP
.nf
\f[C]
#include <mariadb_dyncol.h>

enum enum_dyncol_func_result
mariadb_dyncol_column_count(DYNAMIC_COLUMN *str,
                            unsigned int *column_count);
\f[R]
.fi
.SS Description
.PP
Gets the number of columnns in a dynamic column blob.
.SS Parameter
.IP \[bu] 2
\f[C]*str\f[R] \- A pointer to a \f[C]DYNAMIC_COLUMN\f[R] structure
.IP \[bu] 2
\f[C]column_count\f[R] \- An unsigned integer pointer where the number
of columns will be stored.
.SS Return value
.PP
Returns \f[C]ER_DYNCOL_OK\f[R] on success, otherwise error.
.SS Notes
.IP \[bu] 2
\f[C]mariadb_dyncol_column_count()\f[R] doesn\[cq]t count NULL values.
.SS See also
.IP \[bu] 2
Dynamic Column Error Codes (dyncol_typesanddefs#error-codes)