Parameter interface

Parameter-building functions. More...

Functions
int	evsql_param_binary (struct evsql_query_params *params, size_t param, const char *ptr, size_t len)
	Sets the value of the parameter at the given index.
int	evsql_param_string (struct evsql_query_params *params, size_t param, const char *ptr)
int	evsql_param_uint16 (struct evsql_query_params *params, size_t param, uint16_t uval)
int	evsql_param_uint32 (struct evsql_query_params *params, size_t param, uint32_t uval)
int	evsql_param_null (struct evsql_query_params *params, size_t param)
	Sets the given parameter to NULL.
int	evsql_params_clear (struct evsql_query_params *params)
	Clears all the parameter values (sets them to NULL).

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Detailed Description

Parameter-building functions.

These manipulate the value of the given parameter index.

See also:

evsql.h

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Function Documentation

int evsql_param_binary	(	struct evsql_query_params *	params,
		size_t	param,
		const char *	ptr,
		size_t	len
	)

Sets the value of the parameter at the given index.

Parameters:

	params	the evsql_query_params struct
	param	the parameter index
	ptr	pointer to the binary data
	len	size of the binary data in bytes

Returns:

zero on success, <0 on error

int evsql_param_null	(	struct evsql_query_params *	params,
		size_t	param
	)

Sets the given parameter to NULL.

Parameters:

	params	the evsql_query_params struct
	param	the parameter index

Returns:

zero on success, <0 on error

int evsql_param_string	(	struct evsql_query_params *	params,
		size_t	param,
		const char *	ptr
	)

See also:

evsql_param_binary

int evsql_param_uint16	(	struct evsql_query_params *	params,
		size_t	param,
		uint16_t	uval
	)

See also:

evsql_param_binary

int evsql_param_uint32	(	struct evsql_query_params *	params,
		size_t	param,
		uint32_t	uval
	)

See also:

evsql_param_binary

int evsql_params_clear

(

struct evsql_query_params *

params

)

Clears all the parameter values (sets them to NULL).

Parameters:

params

the evsql_query_params struct

Returns:

zero on success, <0 on error