scsh-conservatory
/
scsh-0.6
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Tested partially: handle allocation, connection, prepare, execute 

Missing: Support for SQLBindCol & several catalog functions. The scsh 0.53 API abstraction need
s to be implemented on top of the ODBC 3 API.
This commit is contained in:
eknauel 2002-04-21 08:56:02 +00:00
parent 570b5c11d2
commit d21f901097
1 changed files with 253 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

253
scsh/odbc/odbc.h Normal file
View File

@ -0,0 +1,253 @@
#include "scheme48.h"
#include <stdio.h>
/* ODBC header files */
#include <sql.h>
#include <sqlext.h>
#define ERROR_MSG_BUFFER_LEN 255
#define ODBC_MAX_DRIVER_NAME_LEN 255
#define ODBC_GET_INFO_MAX_LEN 255
#define ODBC_GET_CONNECT_ATTR_MAX_LEN 255
#define ODBC_GET_STMT_ATTR_MAX_LEN 255
#define ODBC_DEBUG_MSGS 1
#define ODBC_RAISE_EXCEPTION(MSG) s48_raise_string_os_error(MSG)
#ifdef ODBC_DEBUG_MSGS
#define ODBC_DEBUG_DIAGREC(ht, h) odbc_debug_msgs(ht, h);
#else
#define ODBC_DEBUG_DIAGREC(ht, h) ;
#endif
#ifdef ODBC_DEBUG_MSGS
#define ODBC_DEBUG_PRINTF(str) printf(str);
#else
#define ODBC_DEBUG_PRINTF(str) ;
#endif
/* offsets for scheme records */
/* corresponds to sql-date */
#define SR_SQL_DATE_YEAR 0
#define SR_SQL_DATE_MONTH 1
#define SR_SQL_DATE_DAY 2
/* corresponds to sql-time */
#define SR_SQL_TIME_HOUR 0
#define SR_SQL_TIME_MINUTE 1
#define SR_SQL_TIME_SECOND 2
/* corresponds to sql-timestamp */
#define SR_SQL_TIMESTAMP_YEAR 0
#define SR_SQL_TIMESTAMP_MONTH 1
#define SR_SQL_TIMESTAMP_DAY 2
#define SR_SQL_TIMESTAMP_HOUR 3
#define SR_SQL_TIMESTAMP_MINUTE 4
#define SR_SQL_TIMESTAMP_SECOND 5
#define SR_SQL_TIMESTAMP_FRACTION 6
/* corresponds to sql-numeric */
#define SR_SQL_NUMERIC_PRECISION 0
#define SR_SQL_NUMERIC_SCALE 1
#define SR_SQL_NUMERIC_SIGN 2
#define SR_SQL_NUMERIC_VALUE 3
/*
*
* PART 1
*
* Connecting to a data source
*
*/
/* Call SQLAllocHandle and get an environment handle. After that
* call odbc_set_environment to set the ODBC version */
s48_value odbc_alloc_environment_handle();
/* given a valid environment handle (type SQLHENV) this function
* sets the environment attributes. This needs to be done before
* allocating a connection handle */
void odbc_set_env_attr(SQLHENV env_handle);
/* Given a valid environment handle get a connection handle */
s48_value odbc_alloc_connection_handle(s48_value env_handle);
/* Given a valid connection handle get a statement handle */
s48_value odbc_alloc_statement_handle(s48_value db_handle);
/* Connect to a server */
s48_value odbc_sql_connect(s48_value connection_handle,
s48_value server_name,
s48_value user_name,
s48_value authentication);
/*
*
* PART 2
*
* Obtaining information about a driver and data source
*
*/
/* Returns a list of available data sources. */
s48_value odbc_sql_data_sources(s48_value env_handle, s48_value direction);
/* Returns the list of installed drivers and their attributes. */
s48_value odbc_sql_drivers(s48_value env_handle);
/* Returns information about a specific driver and data source.
* (use if the information is an integer) */
s48_value odbc_sql_get_info_int(s48_value conn_handle, s48_value info_key);
/* Returns information about a specific driver and data source.
* (use if the information is a string) */
s48_value odbc_sql_get_info_string(s48_value conn_handle, s48_value info_key);
/* Returns supported driver functions. */
s48_value odbc_sql_get_func_exists(s48_value conn_handle, s48_value fun_id);
/* Returns information about supported data types. */
s48_value odbc_sql_get_type_info(s48_value stmt_handle, s48_value data_type);
/*
*
* PART 3
*
* Setting and retrieving driver attributes
*
*/
s48_value odbc_sql_set_connect_attr_int(s48_value conn_handle,
s48_value attribute,
s48_value value);
s48_value odbc_sql_set_connect_attr_string(s48_value conn_handle,
s48_value attribute,
s48_value value);
s48_value odbc_sql_get_connect_attr_string(s48_value conn_handle,
s48_value attribute);
s48_value odbc_sql_get_connect_attr_int(s48_value conn_handle,
s48_value attribute);
s48_value odbc_sql_set_env_attr_int(s48_value env_handle,
s48_value attribute,
s48_value value);
s48_value odbc_sql_get_env_attr_int(s48_value env_handle,
s48_value attribute,
s48_value value);
s48_value odbc_sql_set_stmt_attr_int(s48_value stmt_handle,
s48_value attribute,
s48_value value);
s48_value odbc_sql_set_stmt_attr_string(s48_value stmt_handle,
s48_value attribute,
s48_value value);
s48_value odbc_sql_get_stmt_attr_int(s48_value stmt_handle,
s48_value attribute);
s48_value odbc_sql_get_stmt_attr_string(s48_value stmt_handle,
s48_value attribute);
/*
*
* part 4
*
* Setting and retrieving descriptor fields
*
*/
/*
*
* PART 5
*
* Preparing SQL requests
*
*/
/* Prepare a SQL statement for execution */
s48_value odbc_sql_prepare(s48_value stmt_handle, s48_value stmt_txt);
/*
*
* PART 6
*
* Submitting requests
*
*/
s48_value odbc_sql_execute(s48_value stmt_handle);
/*
*
* PART 7
*
* Retrieving results and information about results
*
*/
/*
*
* PART 8
*
* Obtaining information about the data source's
* system tables (catalog functions)
*
*/
/*
*
* PART 9
*
* Terminating a statement
*
*/
/* Ends statement processing, discards pending resilt, and,
* optionally, frees all resources associated with the
* statement handle */
s48_value odbc_sql_free_statement(s48_value stmt_handle, s48_value option);
/* Closes a cursor that has been opened on a statement handle */
s48_value odbc_sql_close_cursor(s48_value stmt_handle);
/* Cancels an SQL statement */
s48_value odbc_sql_cancel(s48_value stmt_handle);
/*
*
* PART 10
*
* Terminating a connection
*
*/
/* Closes the connection */
s48_value odbc_sql_disconnect(s48_value conn_handle);
/* Free a handle */
s48_value odbc_sql_free_handle(s48_value handle_type, s48_value handle);
/*
*
* PART 11
*
* misc. functions
*
*/
#ifdef ODBC_DEBUG_MSGS
/* print detailed debug information */
void odbc_debug_msgs(SQLSMALLINT handle_type, SQLHANDLE handle);
#endif
void s48_init_odbc(void);