mariadb_dyncol_exists_named − Check if column with given name exists.
enum
enum_dyncol_func_result
mariadb_dyncol_exists_named(DYNAMIC_COLUMN *str,
MYSQL_LEX_STRING *column_key);
Checks if a column with the specified column key exists.
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*str − Dynamic column |
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*column_key − The column key to search for |
Returns ER_DYNCOL_YES if a column with given key exists, ER_DYNCOL_NO if no column exists or error.
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mariadb_dyncol_exists_num |
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Dynamic Column Error Codes |