mariadb_dyncol_unpack(3)
extracts keys and values of all columns #include [B] [R] [B]enum[R] enum_dyncol_func_result mariadb_dyncol_unpack(DYNAMI
Description
mariadb_dyncol_unpack
Name
mariadb_dyncol_unpack - extracts keys and values of all columns
Synopsis
#include <mariadb_dyncol.h>
enum
enum_dyncol_func_result
mariadb_dyncol_unpack(DYNAMIC_COLUMN *str,
uint *column_count,
MYSQL_LEX_STRING **column_keys,
DYNAMIC_COLUMN_VALUE **values);
Description
The mariadb_dyncol_unpack() function extracts all keys and values of a dynamic column.
Parameter
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str - Pointer to a DYNAMIC_COLUMN structure | ||
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column count - Pointer to an unsigned integer which will receive the number of columns | ||
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column_keys - Pointer of an array of MYSQL_LEX_STRING structures, which will contain the column keys | ||
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values - Pointer of an array of DYNAMIC_COLUMN_VALUE structures, which will contain the values. |
Return value
Returns ER_DYNCOL_OK on success, otherwise an error.
Notes
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The column_keys and values arrays will be allocated by mariadb_dyncol_unpack() and must be freed by application. |
See also
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mariadb_dyncol_get(3) |
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mariadb_dyncol_list(3) |