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mariadb_dyncol_update_many_named

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Georg Richter edited this page Sep 2, 2018 · 1 revision

Name

mariadb_dyncol_update_many_named - Update, insert or delete values in a dynamic column

Synopsis

#include <mariadb_dyncol.h>

enum enum_dyncol_func_result
mariadb_dyncol_update_many_named(DYNAMIC_COLUMN *str,
                                 uint column_count,
                                 MYSQL_LEX_STRING *column_keys,
                                 DYNAMIC_COLUMN_VALUE *values)

Description

Add, delete or update columns in a dynamic column.

Parameter

  • *str - A pointer to a dynamic column structure
  • column_count - number of columns
  • *column_keys - an array of column keys
  • *values - an array of values

Return value

Returns ER_DYNCOL_OK on success, otherwise error.

Notes

  • To delete a column, update its value to a "non-value" of type DYN_COL_NULL

See also

MariaDB Connector/C Reference

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