ODBC utility

Functions called within ODBC driver. More...

Collaboration diagram for ODBC utility:

Macros
#define	C_TYPES
#define	SQL_TYPES
#define	TYPE_NORMAL_SQL_C_GUID
#define	TYPE_NORMAL_SQL_GUID

Functions
TDS_SERVER_TYPE	odbc_c_to_server_type (int c_type)
	Pass this an SQL_C_* type and get a SYB* type which most closely corresponds to the SQL_C_* type.
void	odbc_convert_err_set (struct _sql_errors *errs, TDS_INT err)
DSTR *	odbc_dstr_copy (TDS_DBC *dbc, DSTR *s, int size, const ODBC_CHAR *str)
SQLSMALLINT	odbc_get_concise_c_type (SQLSMALLINT type, SQLSMALLINT interval)
SQLSMALLINT	odbc_get_concise_sql_type (SQLSMALLINT type, SQLSMALLINT interval)
SQLLEN	odbc_get_octet_len (int c_type, const struct _drecord *drec)
SQLINTEGER	odbc_get_param_len (const struct _drecord *drec_axd, const struct _drecord *drec_ixd, const TDS_DESC *axd, unsigned int n_row)
	Return length of parameter from parameter information.
unsigned int	odbc_get_string_size (int size, const ODBC_CHAR *str _WIDE)
void	odbc_rdbms_version (TDSSOCKET *tds, char *pversion_string)
	Returns the version of the RDBMS in the ODBC format.
SQLRETURN	odbc_set_concise_c_type (SQLSMALLINT concise_type, struct _drecord *drec, int check_only)
	Set concise type and all cascading field.
SQLRETURN	odbc_set_concise_sql_type (SQLSMALLINT concise_type, struct _drecord *drec, int check_only)
	Set concise type and all cascading field.
void	odbc_set_return_params (struct _hstmt *stmt, unsigned int n_row)
void	odbc_set_return_status (struct _hstmt *stmt, unsigned int n_row)
SQLRETURN	odbc_set_stmt_query (TDS_STMT *stmt, const ODBC_CHAR *sql, int sql_len _WIDE)
SQLRETURN	odbc_set_string_flag (TDS_DBC *dbc, SQLPOINTER buffer, SQLINTEGER cbBuffer, void FAR *pcbBuffer, const char *s, int len, int flag)
	Copy a string to client setting size according to ODBC convenction.
int	odbc_sql_to_c_type_default (int sql_type)
TDS_SERVER_TYPE	odbc_sql_to_server_type (TDSCONNECTION *conn, int sql_type, int sql_unsigned)

Detailed Description

Functions called within ODBC driver.

Function Documentation

odbc_c_to_server_type()

TDS_SERVER_TYPE odbc_c_to_server_type

(

int

c_type

)

Pass this an SQL_C_* type and get a SYB* type which most closely corresponds to the SQL_C_* type.

This function can return XSYBNVARCHAR or SYBUINTx even if server do not support it

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odbc_set_concise_c_type()

SQLRETURN odbc_set_concise_c_type	(	SQLSMALLINT	concise_type,
		struct _drecord *	drec,
		int	check_only
	)

Set concise type and all cascading field.

Parameters

concise_type	concise type to set
drec	record to set. NULL to test error without setting
check_only	it <>0 (true) check only, do not set type

odbc_set_concise_sql_type()

SQLRETURN odbc_set_concise_sql_type	(	SQLSMALLINT	concise_type,
		struct _drecord *	drec,
		int	check_only
	)

Set concise type and all cascading field.

Parameters

concise_type	concise type to set
drec	record to set. NULL to test error without setting
check_only	it <>0 (true) check only, do not set type

odbc_set_string_flag()

SQLRETURN odbc_set_string_flag	(	TDS_DBC *	dbc,
		SQLPOINTER	buffer,
		SQLINTEGER	cbBuffer,
		void FAR *	pcbBuffer,
		const char *	s,
		int	len,
		int	flag
	)

Copy a string to client setting size according to ODBC convenction.

Parameters

dbc	database connection. Can be NULL
buffer	client buffer
cbBuffer	client buffer size (in bytes)
pcbBuffer	pointer to SQLSMALLINT to hold string size
s	string to copy
len	len of string to copy. <0 null terminated
flag	set of flags. 0x01 wide string in buffer 0x10 pcbBuffer is SQLINTEGER otherwise SQLSMALLINT 0x20 size is in bytes, not characters

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