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mariadb_dyncol_column_count

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Georg Richter edited this page Sep 1, 2018 · 3 revisions

Name

mariadb_dyncol_column_count - Get number of columns in dynamic column blob

Synopsis

#include <mariadb_dyncol.h>

enum enum_dyncol_func_result
mariadb_dyncol_column_count(DYNAMIC_COLUMN *str,
                            unsigned int *column_count);

Description

Gets the number of columnns in a dynamic column blob.

Parameter

  • *str - A pointer to a DYNAMIC_COLUMN structure
  • column_count - An unsigned integer pointer where the number of columns will be stored.

Return value

Returns ER_DYNCOL_OK on success, otherwise error.

Notes

  • mariadb_dyncol_column_count() doesn't count NULL values.

See also

MariaDB Connector/C Reference

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