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#ifndef _CURSORLIBRARY_H
#define _CURSORLIBRARY_H
#define ODBCVER 0x0351
#include <sys/types.h>
#include <pwd.h>
#include <ltdl.h>
#include <string.h>
#include <sqlext.h> /* THIS WILL BRING IN sql.h and
sqltypes.h AS WELL AS PROVIDE
MS EXTENSIONS */
#define MAX_CURSOR_NAME 18
/*
* cursor positions
*/
#define CL_BEFORE_START -1
#define CL_AFTER_END -2
#include "drivermanager.h"
typedef struct bound_column
{
struct bound_column *next;
int column_number;
SQLINTEGER len_ind;
SQLPOINTER local_buffer; /* buffer that the CL binds in */
/* the driver (malloc'd) */
SQLPOINTER bound_buffer; /* buffer that the app binds */
SQLINTEGER bound_type; /* data type of binding */
SQLINTEGER bound_length; /* length of binding */
SQLINTEGER *bound_ind; /* ind ptr bound */
int rs_buffer_offset;
int rs_ind_offset; /* offset onto the current rowset */
/* buffer */
} CLBCOL;
typedef struct cl_connection
{
struct driver_func *functions; /* entry points, from the original */
/* driver */
SQLHANDLE driver_dbc; /* HDBC of the driver */
DMHDBC dm_connection; /* driver manager connection str */
DMHSTMT cl_handle; /* dummy to make the macro valid */
SQLUSMALLINT active_statement_allowed;
/* can we have more than one active */
/* statement */
int error_count; /* used to call SQLGetDiagRec */
/*
* Use these as entry points back to the driver manager
*/
struct driver_helper_funcs dh;
} *CLHDBC;
typedef struct cl_statement
{
SQLHANDLE driver_stmt; /* driver sattement handle */
CLHDBC cl_connection; /* parent cursor lib connection */
DMHSTMT dm_statement; /* Driver manager statement */
DMHSTMT fetch_statement; /* Driver manager statement */
SQLUINTEGER cursor_type; /* statment attr's */
SQLUINTEGER concurrency;
SQLPOINTER *fetch_bookmark_ptr;
SQLUINTEGER *param_bind_offset_ptr;
SQLUINTEGER param_bind_type;
SQLPOINTER row_bind_offset_ptr;
SQLUINTEGER row_bind_type;
SQLUINTEGER rowset_array_size;
SQLUINTEGER simulate_cursor;
SQLUINTEGER use_bookmarks;
SQLUINTEGER *rows_fetched_ptr;
SQLUSMALLINT *row_status_ptr;
SQLCHAR cursor_name[ MAX_CURSOR_NAME + 1 ];
CLBCOL *bound_columns;
int first_fetch_done;
char *sql_text; /* text of current statement */
char **column_names; /* names of each column */
SQLSMALLINT *data_type;
SQLINTEGER *column_size;
SQLSMALLINT *decimal_digits;
int driver_stmt_closed;
int not_from_select;
int read_only;
int fetch_done;
/*
* rowset info
*/
int rowset_position;
int rowset_count;
int rowset_complete;
FILE *rowset_file;
char *rowset_buffer;
int buffer_length;
int column_count;
int curr_rowset_start;
int cursor_pos;
int error_count; /* used to call SQLGetDiagRec */
} *CLHSTMT;
/*
* cursor lib function defs
*/
SQLRETURN SQL_API CLAllocHandle( SQLSMALLINT handle_type,
SQLHANDLE input_handle,
SQLHANDLE *output_handle,
SQLHANDLE dm_handle );
SQLRETURN SQL_API CLAllocHandleStd(
SQLSMALLINT handle_type,
SQLHANDLE input_handle,
SQLHANDLE *output_handle,
SQLHANDLE dm_handle );
SQLRETURN SQL_API CLAllocStmt( SQLHDBC connection_handle,
SQLHSTMT *statement_handle,
SQLHANDLE dm_handle );
SQLRETURN SQL_API CLBindCol( SQLHSTMT statement_handle,
SQLUSMALLINT column_number,
SQLSMALLINT target_type,
SQLPOINTER target_value,
SQLINTEGER buffer_length,
SQLINTEGER *strlen_or_ind );
SQLRETURN SQL_API CLBindParam( SQLHSTMT statement_handle,
SQLUSMALLINT parameter_number,
SQLSMALLINT value_type,
SQLSMALLINT parameter_type,
SQLUINTEGER length_precision,
SQLSMALLINT parameter_scale,
SQLPOINTER parameter_value,
SQLINTEGER *strlen_or_ind );
SQLRETURN SQL_API CLBindParameter(
SQLHSTMT statement_handle,
SQLUSMALLINT ipar,
SQLSMALLINT f_param_type,
SQLSMALLINT f_c_type,
SQLSMALLINT f_sql_type,
SQLUINTEGER cb_col_def,
SQLSMALLINT ib_scale,
SQLPOINTER rgb_value,
SQLINTEGER cb_value_max,
SQLINTEGER *pcb_value );
SQLRETURN SQL_API CLBulkOperations(
SQLHSTMT statement_handle,
SQLSMALLINT operation );
SQLRETURN SQL_API CLCancel( SQLHSTMT statement_handle );
SQLRETURN SQL_API CLCloseCursor( SQLHSTMT statement_handle );
SQLRETURN SQL_API CLColAttribute ( SQLHSTMT statement_handle,
SQLUSMALLINT column_number,
SQLUSMALLINT field_identifier,
SQLPOINTER character_attribute,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length,
SQLPOINTER numeric_attribute );
SQLRETURN SQL_API CLColAttributes( SQLHSTMT statement_handle,
SQLUSMALLINT column_number,
SQLUSMALLINT field_identifier,
SQLPOINTER character_attribute,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length,
SQLINTEGER *numeric_attribute );
SQLRETURN SQL_API CLColumnPrivileges(
SQLHSTMT statement_handle,
SQLCHAR *catalog_name,
SQLSMALLINT name_length1,
SQLCHAR *schema_name,
SQLSMALLINT name_length2,
SQLCHAR *table_name,
SQLSMALLINT name_length3,
SQLCHAR *column_name,
SQLSMALLINT name_length4 );
SQLRETURN SQL_API CLColumns( SQLHSTMT statement_handle,
SQLCHAR *catalog_name,
SQLSMALLINT name_length1,
SQLCHAR *schema_name,
SQLSMALLINT name_length2,
SQLCHAR *table_name,
SQLSMALLINT name_length3,
SQLCHAR *column_name,
SQLSMALLINT name_length4 );
SQLRETURN SQL_API CLCopyDesc( SQLHDESC source_desc_handle,
SQLHDESC target_desc_handle );
SQLRETURN SQL_API CLDescribeCol( SQLHSTMT statement_handle,
SQLUSMALLINT column_number,
SQLCHAR *column_name,
SQLSMALLINT buffer_length,
SQLSMALLINT *name_length,
SQLSMALLINT *data_type,
SQLUINTEGER *column_size,
SQLSMALLINT *decimal_digits,
SQLSMALLINT *nullable );
SQLRETURN SQL_API CLDescribeParam(
SQLHSTMT statement_handle,
SQLUSMALLINT ipar,
SQLSMALLINT *pf_sql_type,
SQLUINTEGER *pcb_param_def,
SQLSMALLINT *pib_scale,
SQLSMALLINT *pf_nullable );
SQLRETURN SQL_API CLDisconnect( SQLHDBC connection_handle );
SQLRETURN SQL_API CLEndTran( SQLSMALLINT handle_type,
SQLHANDLE handle,
SQLSMALLINT completion_type );
SQLRETURN SQL_API CLError( SQLHENV environment_handle,
SQLHDBC connection_handle,
SQLHSTMT statement_handle,
SQLCHAR *sqlstate,
SQLINTEGER *native_error,
SQLCHAR *message_text,
SQLSMALLINT buffer_length,
SQLSMALLINT *text_length );
SQLRETURN SQL_API CLExecDirect( SQLHSTMT statement_handle,
SQLCHAR *statement_text,
SQLINTEGER text_length );
SQLRETURN SQL_API CLExecute( SQLHSTMT statement_handle );
SQLRETURN SQL_API CLExtendedFetch(
SQLHSTMT statement_handle,
SQLUSMALLINT f_fetch_type,
SQLINTEGER irow,
SQLUINTEGER *pcrow,
SQLUSMALLINT *rgf_row_status );
SQLRETURN SQL_API CLFetch( SQLHSTMT statement_handle );
SQLRETURN SQL_API CLFetchScroll( SQLHSTMT statement_handle,
SQLSMALLINT fetch_orientation,
SQLINTEGER fetch_offset );
SQLRETURN SQL_API CLForeignKeys(
SQLHSTMT statement_handle,
SQLCHAR *szpk_catalog_name,
SQLSMALLINT cbpk_catalog_name,
SQLCHAR *szpk_schema_name,
SQLSMALLINT cbpk_schema_name,
SQLCHAR *szpk_table_name,
SQLSMALLINT cbpk_table_name,
SQLCHAR *szfk_catalog_name,
SQLSMALLINT cbfk_catalog_name,
SQLCHAR *szfk_schema_name,
SQLSMALLINT cbfk_schema_name,
SQLCHAR *szfk_table_name,
SQLSMALLINT cbfk_table_name );
SQLRETURN SQL_API CLFreeHandle( SQLSMALLINT handle_type,
SQLHANDLE handle );
SQLRETURN SQL_API CLFreeStmt( SQLHSTMT statement_handle,
SQLUSMALLINT option );
SQLRETURN SQL_API CLGetConnectOption( SQLHDBC connection_handle,
SQLUSMALLINT option,
SQLPOINTER value );
SQLRETURN SQL_API CLGetConnectAttr( SQLHDBC connection_handle,
SQLINTEGER attribute,
SQLPOINTER value,
SQLINTEGER buffer_length,
SQLINTEGER *string_length );
SQLRETURN SQL_API CLGetCursorName( SQLHSTMT statement_handle,
SQLCHAR *cursor_name,
SQLSMALLINT buffer_length,
SQLSMALLINT *name_length );
SQLRETURN SQL_API CLGetData( SQLHSTMT statement_handle,
SQLUSMALLINT column_number,
SQLSMALLINT target_type,
SQLPOINTER target_value,
SQLINTEGER buffer_length,
SQLINTEGER *strlen_or_ind );
SQLRETURN SQL_API CLGetDescField( SQLHDESC descriptor_handle,
SQLSMALLINT rec_number,
SQLSMALLINT field_identifier,
SQLPOINTER value,
SQLINTEGER buffer_length,
SQLINTEGER *string_length );
SQLRETURN SQL_API CLGetDescRec( SQLHDESC descriptor_handle,
SQLSMALLINT rec_number,
SQLCHAR *name,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length,
SQLSMALLINT *type,
SQLSMALLINT *sub_type,
SQLINTEGER *length,
SQLSMALLINT *precision,
SQLSMALLINT *scale,
SQLSMALLINT *nullable );
SQLRETURN SQL_API CLGetDiagField( SQLSMALLINT handle_type,
SQLHANDLE handle,
SQLSMALLINT rec_number,
SQLSMALLINT diag_identifier,
SQLPOINTER diag_info_ptr,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length_ptr );
SQLRETURN SQL_API CLGetDiagRec( SQLSMALLINT handle_type,
SQLHANDLE handle,
SQLSMALLINT rec_number,
SQLCHAR *sqlstate,
SQLINTEGER *native,
SQLCHAR *message_text,
SQLSMALLINT buffer_length,
SQLSMALLINT *text_length_ptr );
SQLRETURN SQL_API CLGetInfo( SQLHDBC connection_handle,
SQLUSMALLINT info_type,
SQLPOINTER info_value,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length );
SQLRETURN SQL_API CLGetStmtAttr( SQLHSTMT statement_handle,
SQLINTEGER attribute,
SQLPOINTER value,
SQLINTEGER buffer_length,
SQLINTEGER *string_length );
SQLRETURN SQL_API CLGetStmtOption( SQLHSTMT statement_handle,
SQLUSMALLINT option,
SQLPOINTER value );
SQLRETURN SQL_API CLGetTypeInfo( SQLHSTMT statement_handle,
SQLSMALLINT data_type );
SQLRETURN SQL_API CLMoreResults( SQLHSTMT statement_handle );
SQLRETURN SQL_API CLNativeSql(
SQLHDBC hdbc,
SQLCHAR *sz_sql_str_in,
SQLINTEGER cb_sql_str_in,
SQLCHAR *sz_sql_str,
SQLINTEGER cb_sql_str_max,
SQLINTEGER *pcb_sql_str );
SQLRETURN SQL_API CLNumParams(
SQLHSTMT statement_handle,
SQLSMALLINT *pcpar );
SQLRETURN SQL_API CLNumResultCols( SQLHSTMT statement_handle,
SQLSMALLINT *column_count );
SQLRETURN SQL_API CLParamData( SQLHSTMT statement_handle,
SQLPOINTER *value );
SQLRETURN SQL_API CLParamOptions(
SQLHSTMT statement_handle,
SQLUINTEGER crow,
SQLUINTEGER *pirow );
SQLRETURN SQL_API CLPrepare( SQLHSTMT statement_handle,
SQLCHAR *statement_text,
SQLINTEGER text_length );
SQLRETURN SQL_API CLPrimaryKeys(
SQLHSTMT statement_handle,
SQLCHAR *sz_catalog_name,
SQLSMALLINT cb_catalog_name,
SQLCHAR *sz_schema_name,
SQLSMALLINT cb_schema_name,
SQLCHAR *sz_table_name,
SQLSMALLINT cb_table_name );
SQLRETURN SQL_API CLProcedureColumns(
SQLHSTMT statement_handle,
SQLCHAR *sz_catalog_name,
SQLSMALLINT cb_catalog_name,
SQLCHAR *sz_schema_name,
SQLSMALLINT cb_schema_name,
SQLCHAR *sz_proc_name,
SQLSMALLINT cb_proc_name,
SQLCHAR *sz_column_name,
SQLSMALLINT cb_column_name );
SQLRETURN SQL_API CLProcedures(
SQLHSTMT statement_handle,
SQLCHAR *sz_catalog_name,
SQLSMALLINT cb_catalog_name,
SQLCHAR *sz_schema_name,
SQLSMALLINT cb_schema_name,
SQLCHAR *sz_proc_name,
SQLSMALLINT cb_proc_name );
SQLRETURN SQL_API CLPutData( SQLHSTMT statement_handle,
SQLPOINTER data,
SQLINTEGER strlen_or_ind );
SQLRETURN SQL_API CLRowCount( SQLHSTMT statement_handle,
SQLINTEGER *rowcount );
SQLRETURN SQL_API CLSetConnectAttr( SQLHDBC connection_handle,
SQLINTEGER attribute,
SQLPOINTER value,
SQLINTEGER string_length );
SQLRETURN SQL_API CLSetConnectOption( SQLHDBC connection_handle,
SQLUSMALLINT option,
SQLULEN value );
SQLRETURN SQL_API CLSetCursorName( SQLHSTMT statement_handle,
SQLCHAR *cursor_name,
SQLSMALLINT name_length );
SQLRETURN SQL_API CLSetDescField( SQLHDESC descriptor_handle,
SQLSMALLINT rec_number,
SQLSMALLINT field_identifier,
SQLPOINTER value,
SQLINTEGER buffer_length );
SQLRETURN SQL_API CLSetDescRec( SQLHDESC descriptor_handle,
SQLSMALLINT rec_number,
SQLSMALLINT type,
SQLSMALLINT subtype,
SQLINTEGER length,
SQLSMALLINT precision,
SQLSMALLINT scale,
SQLPOINTER data,
SQLINTEGER *string_length,
SQLINTEGER *indicator );
SQLRETURN SQL_API CLSetParam( SQLHSTMT statement_handle,
SQLUSMALLINT parameter_number,
SQLSMALLINT value_type,
SQLSMALLINT parameter_type,
SQLUINTEGER length_precision,
SQLSMALLINT parameter_scale,
SQLPOINTER parameter_value,
SQLINTEGER *strlen_or_ind );
SQLRETURN SQL_API CLSetPos(
SQLHSTMT statement_handle,
SQLUSMALLINT irow,
SQLUSMALLINT foption,
SQLUSMALLINT flock );
SQLRETURN SQL_API CLSetScrollOptions(
SQLHSTMT statement_handle,
SQLUSMALLINT f_concurrency,
SQLINTEGER crow_keyset,
SQLUSMALLINT crow_rowset );
SQLRETURN SQL_API CLSetStmtAttr( SQLHSTMT statement_handle,
SQLINTEGER attribute,
SQLPOINTER value,
SQLINTEGER string_length );
SQLRETURN SQL_API CLSetStmtOption( SQLHSTMT statement_handle,
SQLUSMALLINT option,
SQLULEN value );
SQLRETURN SQL_API CLSpecialColumns( SQLHSTMT statement_handle,
SQLUSMALLINT identifier_type,
SQLCHAR *catalog_name,
SQLSMALLINT name_length1,
SQLCHAR *schema_name,
SQLSMALLINT name_length2,
SQLCHAR *table_name,
SQLSMALLINT name_length3,
SQLUSMALLINT scope,
SQLUSMALLINT nullable );
SQLRETURN SQL_API CLStatistics( SQLHSTMT statement_handle,
SQLCHAR *catalog_name,
SQLSMALLINT name_length1,
SQLCHAR *schema_name,
SQLSMALLINT name_length2,
SQLCHAR *table_name,
SQLSMALLINT name_length3,
SQLUSMALLINT unique,
SQLUSMALLINT reserved );
SQLRETURN SQL_API CLTablePrivileges(
SQLHSTMT statement_handle,
SQLCHAR *sz_catalog_name,
SQLSMALLINT cb_catalog_name,
SQLCHAR *sz_schema_name,
SQLSMALLINT cb_schema_name,
SQLCHAR *sz_table_name,
SQLSMALLINT cb_table_name );
SQLRETURN SQL_API CLTables( SQLHSTMT statement_handle,
SQLCHAR *catalog_name,
SQLSMALLINT name_length1,
SQLCHAR *schema_name,
SQLSMALLINT name_length2,
SQLCHAR *table_name,
SQLSMALLINT name_length3,
SQLCHAR *table_type,
SQLSMALLINT name_length4 );
SQLRETURN SQL_API CLTransact( SQLHENV environment_handle,
SQLHDBC connection_handle,
SQLUSMALLINT completion_type );
/*
* internal prototypes
*/
void free_rowset( CLHSTMT cl_statement );
int calculate_buffers( CLHSTMT cl_statement, int column_count );
int free_bound_columns( CLHSTMT cl_statement );
SQLRETURN do_fetch_scroll( CLHSTMT cl_statement,
int fetch_orientation,
int fetch_offset,
SQLUSMALLINT *row_status_ptr,
SQLUINTEGER *rows_fetched_ptr );
#endif
|
