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odbc.h
/* FreeTDS - Library of routines accessing Sybase and Microsoft databases
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Brian Bruns
* Copyright (C) 2004-2010 Frediano Ziglio
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _sql_h_
#define _sql_h_
#define TDS_DONT_DEFINE_DEFAULT_FUNCTIONS
#include <freetds/tds.h>
#include <freetds/thread.h>
#include <freetds/data.h>
#if defined(UNIXODBC) || defined(_WIN32) || defined(TDS_NO_DM)
#include <sql.h>
#include <sqlext.h>
#if defined(UNIXODBC) || defined(_WIN32)
#include <odbcinst.h>
#endif
#else /* IODBC */
#include <isql.h>
#include <isqlext.h>
#ifdef HAVE_IODBCINST_H
#include <iodbcinst.h>
#endif /* HAVE_IODBCINST_H */
#endif
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif
#ifndef HAVE_SQLLEN
#ifndef SQLULEN
#define SQLULEN SQLUINTEGER
#endif
#ifndef SQLLEN
#define SQLLEN SQLINTEGER
#endif
#endif
#ifndef HAVE_SQLSETPOSIROW
#define SQLSETPOSIROW SQLUSMALLINT
#endif
#ifndef HAVE_SQLROWOFFSET
#define SQLROWOFFSET SQLLEN
#endif
#ifndef HAVE_SQLROWSETSIZE
#define SQLROWSETSIZE SQLULEN
#endif
#ifdef __cplusplus
extern "C"
{
#if 0
}
#endif
#endif
#include <freetds/pushvis.h>
#if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__MINGW32__)
#define ODBC_API SQL_API __attribute__((externally_visible))
#else
#define ODBC_API SQL_API
#endif
#if (defined(_WIN32) || defined(__CYGWIN__)) && defined(__GNUC__)
# define ODBC_PUBLIC __attribute__((dllexport))
#else
# define ODBC_PUBLIC
#endif
#define ODBC_MAX(a,b) ( (a) > (b) ? (a) : (b) )
#define ODBC_MIN(a,b) ( (a) < (b) ? (a) : (b) )
#define ODBC_CLAMP(x,a,b) ( (x) < (a) ? (a) : (x) > (b) ? (b) : (x) )
struct _sql_error
{
const char *msg;
char state2[6];
char state3[6];
TDS_UINT native;
char *server;
int linenum;
int msgstate;
int row;
};
struct _sql_errors
{
struct _sql_error *errs;
int num_errors;
SQLRETURN lastrc;
char ranked;
};
typedef struct _sql_errors TDS_ERRS;
#if ENABLE_EXTRA_CHECKS
void odbc_check_struct_extra(void *p);
#else
static inline void odbc_check_struct_extra(void *p) {}
#endif
#define ODBC_RETURN(handle, rc) \
do { odbc_check_struct_extra(handle); \
return handle->errs.lastrc = (rc); } while(0)
#define ODBC_RETURN_(handle) \
do { odbc_check_struct_extra(handle); \
return handle->errs.lastrc; } while(0)
#define ODBC_EXIT(handle, rc) \
do { SQLRETURN _odbc_rc = handle->errs.lastrc = (rc); \
odbc_check_struct_extra(handle); \
tds_mutex_unlock(&handle->mtx); \
return _odbc_rc; } while(0)
#define ODBC_EXIT_(handle) \
do { SQLRETURN _odbc_rc = handle->errs.lastrc; \
odbc_check_struct_extra(handle); \
tds_mutex_unlock(&handle->mtx); \
return _odbc_rc; } while(0)
void odbc_errs_reset(struct _sql_errors *errs);
void odbc_errs_add(struct _sql_errors *errs, const char *sqlstate, const char *msg);
void odbc_errs_add_rdbms(struct _sql_errors *errs, TDS_UINT native, const char *sqlstate, const char *msg, int linenum,
int msgstate, const char *server, int row);
struct _dheader
{
SQLSMALLINT sql_desc_alloc_type;
/* TODO SQLLEN ?? see http://support.microsoft.com/default.aspx?scid=kb;en-us;298678 */
SQLSMALLINT sql_desc_count;
SQLINTEGER sql_desc_bind_type;
SQLULEN sql_desc_array_size;
SQLUSMALLINT *sql_desc_array_status_ptr;
SQLULEN *sql_desc_rows_processed_ptr;
SQLLEN *sql_desc_bind_offset_ptr;
};
struct _drecord
{
DSTR sql_desc_base_column_name;
DSTR sql_desc_base_table_name;
SQLUINTEGER sql_desc_auto_unique_value;
SQLINTEGER sql_desc_case_sensitive;
DSTR sql_desc_catalog_name;
SQLPOINTER sql_desc_data_ptr;
SQLSMALLINT sql_desc_concise_type;
SQLSMALLINT sql_desc_datetime_interval_code;
SQLINTEGER sql_desc_datetime_interval_precision;
SQLLEN sql_desc_display_size;
SQLLEN *sql_desc_indicator_ptr;
DSTR sql_desc_label;
SQLULEN sql_desc_length;
/* this point to a constant buffer, do not free or modify */
const char *sql_desc_literal_prefix;
/* this point to a constant buffer, do not free or modify */
const char *sql_desc_literal_suffix;
DSTR sql_desc_local_type_name;
DSTR sql_desc_name;
SQLSMALLINT sql_desc_fixed_prec_scale;
SQLSMALLINT sql_desc_nullable;
SQLINTEGER sql_desc_num_prec_radix;
SQLLEN sql_desc_octet_length;
SQLLEN *sql_desc_octet_length_ptr;
SQLSMALLINT sql_desc_parameter_type;
SQLSMALLINT sql_desc_precision;
SQLSMALLINT sql_desc_rowver;
SQLSMALLINT sql_desc_scale;
DSTR sql_desc_schema_name;
DSTR sql_desc_table_name;
SQLSMALLINT sql_desc_searchable;
SQLSMALLINT sql_desc_type;
/* this point to a constant buffer, do not free or modify */
const char *sql_desc_type_name;
SQLSMALLINT sql_desc_unnamed;
SQLSMALLINT sql_desc_unsigned;
SQLSMALLINT sql_desc_updatable;
};
struct _hdesc
{
SQLSMALLINT htype; /* do not reorder this field */
struct _sql_errors errs; /* do not reorder this field */
tds_mutex mtx;
int type;
int focus;
SQLHANDLE parent;
struct _dheader header;
struct _drecord *records;
};
typedef struct _hdesc TDS_DESC;
#define DESC_IRD 1
#define DESC_IPD 2
#define DESC_ARD 3
#define DESC_APD 4
struct _heattr
{
SQLUINTEGER connection_pooling;
SQLUINTEGER cp_match;
SQLINTEGER odbc_version;
SQLINTEGER output_nts;
};
struct _hchk
{
SQLSMALLINT htype; /* do not reorder this field */
struct _sql_errors errs; /* do not reorder this field */
tds_mutex mtx;
};
struct _henv
{
SQLSMALLINT htype; /* do not reorder this field */
struct _sql_errors errs; /* do not reorder this field */
tds_mutex mtx;
TDSCONTEXT *tds_ctx;
struct _heattr attr;
};
struct _hcattr
{
SQLUINTEGER access_mode;
SQLUINTEGER async_enable;
SQLUINTEGER auto_ipd;
SQLUINTEGER autocommit;
SQLUINTEGER connection_dead;
SQLUINTEGER connection_timeout;
DSTR current_catalog;
SQLUINTEGER login_timeout;
SQLUINTEGER metadata_id;
SQLUINTEGER odbc_cursors;
SQLUINTEGER packet_size;
SQLHWND quite_mode;
DSTR translate_lib;
SQLUINTEGER translate_option;
SQLUINTEGER txn_isolation;
SQLUINTEGER mars_enabled;
SQLUINTEGER cursor_type;
SQLUINTEGER bulk_enabled;
#ifdef TDS_NO_DM
SQLUINTEGER trace;
DSTR tracefile;
#endif
};
#define TDS_MAX_APP_DESC 100
struct _hstmt;
struct _hdbc
{
SQLSMALLINT htype; /* do not reorder this field */
struct _sql_errors errs; /* do not reorder this field */
tds_mutex mtx;
struct _henv *env;
TDSSOCKET *tds_socket;
DSTR dsn;
DSTR oldpwd;
#ifdef ENABLE_ODBC_WIDE
int original_charset_num;
TDSICONV *mb_conv;
#endif
struct _hstmt *current_statement;
struct _hstmt *stmt_list;
struct _hcattr attr;
TDS_DESC *uad[TDS_MAX_APP_DESC];
unsigned int cursor_support:1;
unsigned int use_oldpwd:1;
TDS_INT default_query_timeout;
TDSBCPINFO *bcpinfo;
char *bcphint;
};
struct _hsattr
{
/* TODO remove IRD, ARD, IPD, APD from statement, do not duplicate */
/* TDS_DESC *app_row_desc; */
/* TDS_DESC *app_param_desc; */
SQLUINTEGER async_enable;
SQLUINTEGER concurrency;
SQLUINTEGER cursor_scrollable;
SQLUINTEGER cursor_sensitivity;
SQLUINTEGER cursor_type;
SQLUINTEGER enable_auto_ipd;
SQLPOINTER fetch_bookmark_ptr;
SQLULEN keyset_size;
SQLULEN max_length;
SQLULEN max_rows;
SQLUINTEGER metadata_id;
SQLUINTEGER noscan;
/* apd->sql_desc_bind_offset_ptr */
/* SQLUINTEGER *param_bind_offset_ptr; */
/* apd->sql_desc_bind_type */
/* SQLUINTEGER param_bind_type; */
/* apd->sql_desc_array_status_ptr */
/* SQLUSMALLINT *param_operation_ptr; */
/* ipd->sql_desc_array_status_ptr */
/* SQLUSMALLINT *param_status_ptr; */
/* ipd->sql_desc_rows_processed_ptr */
/* SQLUSMALLINT *params_processed_ptr; */
/* apd->sql_desc_array_size */
/* SQLUINTEGER paramset_size; */
SQLUINTEGER query_timeout;
SQLUINTEGER retrieve_data;
/* ard->sql_desc_bind_offset_ptr */
/* SQLUINTEGER *row_bind_offset_ptr; */
/* ard->sql_desc_array_size */
/* SQLUINTEGER row_array_size; */
/* ard->sql_desc_bind_type */
/* SQLUINTEGER row_bind_type; */
SQLULEN row_number;
/* ard->sql_desc_array_status_ptr */
/* SQLUINTEGER *row_operation_ptr; */
/* ird->sql_desc_array_status_ptr */
/* SQLUINTEGER *row_status_ptr; */
/* ird->sql_desc_rows_processed_ptr */
/* SQLUINTEGER *rows_fetched_ptr; */
SQLUINTEGER simulate_cursor;
SQLUINTEGER use_bookmarks;
/* SQLGetStmtAttr only */
/* TDS_DESC *imp_row_desc; */
/* TDS_DESC *imp_param_desc; */
DSTR qn_msgtext;
DSTR qn_options;
SQLUINTEGER qn_timeout;
SQLUINTEGER param_focus;
};
typedef enum
{
NOT_IN_ROW,
IN_NORMAL_ROW,
IN_COMPUTE_ROW,
AFTER_COMPUTE_ROW,
PRE_NORMAL_ROW
} TDS_ODBC_ROW_STATUS;
typedef enum
{
ODBC_SPECIAL_NONE = 0,
ODBC_SPECIAL_GETTYPEINFO = 1,
ODBC_SPECIAL_COLUMNS = 2,
ODBC_SPECIAL_PROCEDURECOLUMNS = 3,
ODBC_SPECIAL_SPECIALCOLUMNS = 4
} TDS_ODBC_SPECIAL_ROWS;
struct _hstmt
{
SQLSMALLINT htype; /* do not reorder this field */
struct _sql_errors errs; /* do not reorder this field */
tds_mutex mtx;
struct _hdbc *dbc;
DSTR query;
TDSSOCKET *tds;
struct _hstmt *next;
struct _hstmt *prev;
/* begin prepared query stuff */
unsigned is_prepared_query:1;
unsigned prepared_query_is_func:1;
unsigned prepared_query_is_rpc:1;
unsigned need_reprepare:1;
unsigned param_data_called:1;
/* end prepared query stuff */
TDSPARAMINFO *params;
int param_num;
size_t prepared_pos;
unsigned int curr_param_row, num_param_rows;
unsigned int param_count;
int row;
TDS_INT8 row_count;
TDS_ODBC_ROW_STATUS row_status;
/* do NOT free dynamic, free from socket or attach to connection */
TDSDYNAMIC *dyn;
TDS_DESC *ard, *ird, *apd, *ipd;
TDS_DESC *orig_ard, *orig_apd;
SQLULEN sql_rowset_size;
struct _hsattr attr;
DSTR cursor_name; /* auto generated cursor name */
TDS_ODBC_SPECIAL_ROWS special_row;
/* do NOT free cursor, free from socket or attach to connection */
TDSCURSOR *cursor;
};
typedef struct _henv TDS_ENV;
typedef struct _hdbc TDS_DBC;
typedef struct _hstmt TDS_STMT;
typedef struct _hchk TDS_CHK;
typedef struct {
/* this must be the first member */
TDSCOLUMNFUNCS common;
void (*set_type_info)(TDSCOLUMN *col, struct _drecord *drec, SQLINTEGER odbc_ver);
} TDS_FUNCS;
#define IS_HENV(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_ENV)
#define IS_HDBC(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_DBC)
#define IS_HSTMT(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_STMT)
#define IS_HDESC(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_DESC)
/* fix a bug in MingW headers */
#ifdef __MINGW32__
#if SQL_INTERVAL_YEAR == (100 + SQL_CODE_SECOND)
#undef SQL_INTERVAL_YEAR
#undef SQL_INTERVAL_MONTH
#undef SQL_INTERVAL_DAY
#undef SQL_INTERVAL_HOUR
#undef SQL_INTERVAL_MINUTE
#undef SQL_INTERVAL_SECOND
#undef SQL_INTERVAL_YEAR_TO_MONTH
#undef SQL_INTERVAL_DAY_TO_HOUR
#undef SQL_INTERVAL_DAY_TO_MINUTE
#undef SQL_INTERVAL_DAY_TO_SECOND
#undef SQL_INTERVAL_HOUR_TO_MINUTE
#undef SQL_INTERVAL_HOUR_TO_SECOND
#undef SQL_INTERVAL_MINUTE_TO_SECOND
#define SQL_INTERVAL_YEAR (100 + SQL_CODE_YEAR)
#define SQL_INTERVAL_MONTH (100 + SQL_CODE_MONTH)
#define SQL_INTERVAL_DAY (100 + SQL_CODE_DAY)
#define SQL_INTERVAL_HOUR (100 + SQL_CODE_HOUR)
#define SQL_INTERVAL_MINUTE (100 + SQL_CODE_MINUTE)
#define SQL_INTERVAL_SECOND (100 + SQL_CODE_SECOND)
#define SQL_INTERVAL_YEAR_TO_MONTH (100 + SQL_CODE_YEAR_TO_MONTH)
#define SQL_INTERVAL_DAY_TO_HOUR (100 + SQL_CODE_DAY_TO_HOUR)
#define SQL_INTERVAL_DAY_TO_MINUTE (100 + SQL_CODE_DAY_TO_MINUTE)
#define SQL_INTERVAL_DAY_TO_SECOND (100 + SQL_CODE_DAY_TO_SECOND)
#define SQL_INTERVAL_HOUR_TO_MINUTE (100 + SQL_CODE_HOUR_TO_MINUTE)
#define SQL_INTERVAL_HOUR_TO_SECOND (100 + SQL_CODE_HOUR_TO_SECOND)
#define SQL_INTERVAL_MINUTE_TO_SECOND (100 + SQL_CODE_MINUTE_TO_SECOND)
#endif
#endif
#ifdef _WIN32
bool get_login_info(HWND hwndParent, TDSLOGIN * login);
#endif
#define ODBC_PARAM_LIST \
ODBC_PARAM(Servername) \
ODBC_PARAM(Server) \
ODBC_PARAM(DSN) \
ODBC_PARAM(UID) \
ODBC_PARAM(PWD) \
ODBC_PARAM(Address) \
ODBC_PARAM(Port) \
ODBC_PARAM(TDS_Version) \
ODBC_PARAM(Language) \
ODBC_PARAM(Database) \
ODBC_PARAM(TextSize) \
ODBC_PARAM(PacketSize) \
ODBC_PARAM(ClientCharset) \
ODBC_PARAM(DumpFile) \
ODBC_PARAM(DumpFileAppend) \
ODBC_PARAM(DebugFlags) \
ODBC_PARAM(Encryption) \
ODBC_PARAM(Trusted_Connection) \
ODBC_PARAM(APP) \
ODBC_PARAM(WSID) \
ODBC_PARAM(UseNTLMv2) \
ODBC_PARAM(MARS_Connection) \
ODBC_PARAM(REALM) \
ODBC_PARAM(ServerSPN) \
ODBC_PARAM(AttachDbFilename) \
ODBC_PARAM(ApplicationIntent) \
ODBC_PARAM(Timeout)
#define ODBC_PARAM(p) ODBC_PARAM_##p,
enum {
ODBC_PARAM_LIST
ODBC_PARAM_SIZE
};
#undef ODBC_PARAM
/*
* connectparams.h
*/
typedef struct {
const char *p;
size_t len;
} TDS_PARSED_PARAM;
bool odbc_parse_connect_string(TDS_ERRS *errs, const char *connect_string, const char *connect_string_end, TDSLOGIN * login, TDS_PARSED_PARAM *parsed_params);
int odbc_get_dsn_info(TDS_ERRS *errs, const char *DSN, TDSLOGIN * login);
#ifdef _WIN32
int odbc_build_connect_string(TDS_ERRS *errs, TDS_PARSED_PARAM *params, char **out);
#endif
/*
* convert_tds2sql.c
*/
SQLLEN odbc_tds2sql_col(TDS_STMT * stmt, TDSCOLUMN *curcol, int desttype, TDS_CHAR * dest, SQLULEN destlen, const struct _drecord *drec_ixd);
SQLLEN odbc_tds2sql_int4(TDS_STMT * stmt, TDS_INT *src, int desttype, TDS_CHAR * dest, SQLULEN destlen);
/*
* descriptor.c
*/
typedef struct {
DSTR type_name;
TDS_DESC *apd;
TDS_DESC *ipd;
} SQLTVP;
TDS_DESC *desc_alloc(SQLHANDLE parent, int desc_type, SQLSMALLINT alloc_type);
SQLRETURN desc_free(TDS_DESC * desc);
SQLRETURN desc_alloc_records(TDS_DESC * desc, unsigned count);
SQLRETURN desc_copy(TDS_DESC * dest, TDS_DESC * src);
SQLRETURN desc_free_records(TDS_DESC * desc);
TDS_DBC *desc_get_dbc(TDS_DESC *desc);
SQLTVP *tvp_alloc(TDS_STMT *stmt);
void tvp_free(SQLTVP *tvp);
/*
* odbc.c
*/
SQLRETURN _SQLRowCount(SQLHSTMT hstmt, SQLLEN FAR * pcrow);
/*
* odbc_checks.h
*/
#if ENABLE_EXTRA_CHECKS
/* macro */
#define CHECK_ENV_EXTRA(env) odbc_check_env_extra(env)
#define CHECK_DBC_EXTRA(dbc) odbc_check_dbc_extra(dbc)
#define CHECK_STMT_EXTRA(stmt) odbc_check_stmt_extra(stmt)
#define CHECK_DESC_EXTRA(desc) odbc_check_desc_extra(desc)
/* declarations*/
void odbc_check_env_extra(TDS_ENV * env);
void odbc_check_dbc_extra(TDS_DBC * dbc);
void odbc_check_stmt_extra(TDS_STMT * stmt);
void odbc_check_desc_extra(TDS_DESC * desc);
#else
/* macro */
#define CHECK_ENV_EXTRA(env)
#define CHECK_DBC_EXTRA(dbc)
#define CHECK_STMT_EXTRA(stmt)
#define CHECK_DESC_EXTRA(desc)
#endif
/*
* odbc_util.h
*/
/* helpers for ODBC wide string support */
#undef _wide
#undef _WIDE
#ifdef ENABLE_ODBC_WIDE
typedef union {
char mb[1];
SQLWCHAR wide[1];
} ODBC_CHAR;
# define _wide ,wide
# define _wide0 ,0
# define _WIDE ,int wide
#else
# define _wide
# define _wide0
# define _WIDE
# define ODBC_CHAR SQLCHAR
#endif
int odbc_set_stmt_query(struct _hstmt *stmt, const ODBC_CHAR *sql, int sql_len _WIDE);
void odbc_set_return_status(struct _hstmt *stmt, unsigned int n_row);
void odbc_set_return_params(struct _hstmt *stmt, unsigned int n_row);
void odbc_set_sql_type_info(TDSCOLUMN * col, struct _drecord *drec, SQLINTEGER odbc_ver);
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);
TDS_SERVER_TYPE odbc_c_to_server_type(int c_type);
unsigned int odbc_get_string_size(int size, const ODBC_CHAR * str _WIDE);
void odbc_rdbms_version(TDSSOCKET * tds_socket, char *pversion_string);
SQLINTEGER odbc_get_param_len(const struct _drecord *drec_axd, const struct _drecord *drec_ixd, const TDS_DESC* axd, unsigned int n_row);
#ifdef ENABLE_ODBC_WIDE
DSTR* odbc_dstr_copy_flag(TDS_DBC *dbc, DSTR *s, int size, const ODBC_CHAR * str, int flag);
#define odbc_dstr_copy(dbc, s, len, out) \
odbc_dstr_copy_flag(dbc, s, len, sizeof((out)->mb) ? (out) : (out), wide)
#define odbc_dstr_copy_oct(dbc, s, len, out) \
odbc_dstr_copy_flag(dbc, s, len, out, wide|0x20)
#else
DSTR* odbc_dstr_copy(TDS_DBC *dbc, DSTR *s, int size, const ODBC_CHAR * str);
#define odbc_dstr_copy_oct odbc_dstr_copy
#endif
SQLRETURN odbc_set_string_flag(TDS_DBC *dbc, SQLPOINTER buffer, SQLINTEGER cbBuffer, void FAR * pcbBuffer, const char *s, int len, int flag);
#ifdef ENABLE_ODBC_WIDE
#define odbc_set_string(dbc, buf, buf_len, out_len, s, s_len) \
odbc_set_string_flag(dbc, sizeof((buf)->mb) ? (buf) : (buf), buf_len, out_len, s, s_len, (wide) | (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0:0x10))
#define odbc_set_string_oct(dbc, buf, buf_len, out_len, s, s_len) \
odbc_set_string_flag(dbc, buf, buf_len, out_len, s, s_len, (wide) | (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0x20:0x30))
#else
#define odbc_set_string(dbc, buf, buf_len, out_len, s, s_len) \
odbc_set_string_flag(dbc, buf, buf_len, out_len, s, s_len, (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0:0x10))
#define odbc_set_string_oct(dbc, buf, buf_len, out_len, s, s_len) \
odbc_set_string_flag(dbc, buf, buf_len, out_len, s, s_len, (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0x20:0x30))
#endif
#define odbc_set_dstr_oct(dbc, buf, buf_len, out_len, s) odbc_set_string_oct(dbc, buf, buf_len, out_len, tds_dstr_cstr(s), tds_dstr_len(s))
#define odbc_set_dstr(dbc, buf, buf_len, out_len, s) odbc_set_string(dbc, buf, buf_len, out_len, tds_dstr_cstr(s), tds_dstr_len(s))
SQLSMALLINT odbc_get_concise_sql_type(SQLSMALLINT type, SQLSMALLINT interval);
SQLRETURN odbc_set_concise_sql_type(SQLSMALLINT concise_type, struct _drecord *drec, int check_only);
SQLSMALLINT odbc_get_concise_c_type(SQLSMALLINT type, SQLSMALLINT interval);
SQLRETURN odbc_set_concise_c_type(SQLSMALLINT concise_type, struct _drecord *drec, int check_only);
SQLLEN odbc_get_octet_len(int c_type, const struct _drecord *drec);
void odbc_convert_err_set(struct _sql_errors *errs, TDS_INT err);
/*
* prepare_query.c
*/
SQLRETURN prepare_call(struct _hstmt *stmt);
SQLRETURN native_sql(struct _hdbc *dbc, DSTR *s);
int parse_prepared_query(struct _hstmt *stmt, bool compute_row);
int start_parse_prepared_query(struct _hstmt *stmt, bool compute_row);
int continue_parse_prepared_query(struct _hstmt *stmt, SQLPOINTER DataPtr, SQLLEN StrLen_or_Ind);
const char *parse_const_param(const char * s, TDS_SERVER_TYPE *type);
const char *odbc_skip_rpc_name(const char *s);
/*
* sql2tds.c
*/
SQLRETURN odbc_sql2tds(TDS_STMT * stmt, const struct _drecord *drec_ixd, const struct _drecord *drec_axd, TDSCOLUMN *curcol, bool compute_row, const TDS_DESC* axd, unsigned int n_row);
TDS_INT convert_datetime2server(int bindtype, const void *src, TDS_DATETIMEALL * dta);
/*
* bcp.c
*/
void odbc_bcp_free_storage(TDS_DBC *dbc);
void odbc_bcp_init(TDS_DBC *dbc, const ODBC_CHAR *tblname, const ODBC_CHAR *hfile, const ODBC_CHAR *errfile, int direction _WIDE);
void odbc_bcp_control(TDS_DBC *dbc, int field, void *value);
void odbc_bcp_colptr(TDS_DBC *dbc, const void * colptr, int table_column);
void odbc_bcp_sendrow(TDS_DBC *dbc);
int odbc_bcp_batch(TDS_DBC *dbc);
int odbc_bcp_done(TDS_DBC *dbc);
void odbc_bcp_bind(TDS_DBC *dbc, const void * varaddr, int prefixlen, int varlen, const void * terminator, int termlen, int vartype, int table_column);
/*
* sqlwchar.c
*/
#if SIZEOF_SQLWCHAR != SIZEOF_WCHAR_T
size_t sqlwcslen(const SQLWCHAR * s);
typedef struct sqlwstr_buf {
struct sqlwstr_buf *next;
wchar_t buf[256];
} SQLWSTRBUF;
const wchar_t *sqlwstr(const SQLWCHAR * s, SQLWSTRBUF **bufs);
void sqlwstr_free(SQLWSTRBUF *bufs);
#define SQLWSTR_BUFS(n) SQLWSTRBUF *bufs = NULL
#define SQLWSTR(s) sqlwstr(s, &bufs)
#define SQLWSTR_FREE() sqlwstr_free(bufs)
#else
#define sqlwcslen(s) wcslen(s)
#define SQLWSTR_BUFS(n) do {} while(0)
#define SQLWSTR(s) ((const wchar_t*)(s))
#define SQLWSTR_FREE() do {} while(0)
#endif
int odbc_get_wide_canonic(TDSCONNECTION *conn);
#include <freetds/popvis.h>
#ifdef __cplusplus
#if 0
{
#endif
}
#endif
#endif
tds.h
Main include file for libtds.
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.
Definition odbc_util.c:983
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.
Definition odbc_util.c:1110
odbc_get_param_len
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.
Definition odbc_util.c:865
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.
Definition odbc_util.c:601
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.
Definition odbc_util.c:301
odbc_rdbms_version
void odbc_rdbms_version(TDSSOCKET *tds_socket, char *pversion_string)
Returns the version of the RDBMS in the ODBC format.
Definition odbc_util.c:856
tdsiconvinfo
Definition iconv.h:92
_sql_error
Definition odbc.h:94
_sql_errors
Definition odbc.h:106
_dheader
Descriptor header.
Definition odbc.h:152
_drecord
Descriptor record.
Definition odbc.h:165
_hdesc
Definition odbc.h:206
_hdesc::focus
int focus
Nested descriptor to use.
Definition odbc.h:217
_heattr
Definition odbc.h:231
_hchk
Definition odbc.h:239
_henv
Definition odbc.h:246
_hcattr
Definition odbc.h:255
_hdbc
Definition odbc.h:284
_hdbc::stmt_list
struct _hstmt * stmt_list
list of all statements allocated from this connection
Definition odbc.h:304
_hdbc::uad
TDS_DESC * uad[TDS_MAX_APP_DESC]
descriptors associated to connection
Definition odbc.h:307
_hdbc::current_statement
struct _hstmt * current_statement
Statement executing.
Definition odbc.h:302
_hdbc::cursor_support
unsigned int cursor_support
<>0 if server handle cursors
Definition odbc.h:309
_hsattr
Definition odbc.h:318
_hstmt
Definition odbc.h:391
_hstmt::param_count
unsigned int param_count
number of parameter in current query
Definition odbc.h:428
_hstmt::row_status
TDS_ODBC_ROW_STATUS row_status
status of row, it can happen that this flag mark that we are still parsing row, this it's normal
Definition odbc.h:433
_hstmt::prepared_pos
size_t prepared_pos
position in prepared query to check parameters, used only in RPC
Definition odbc.h:423
_hstmt::row_count
TDS_INT8 row_count
row count to return
Definition odbc.h:431
_hstmt::param_num
int param_num
last valid parameter in params, it's a ODBC index (from 1 relative to descriptor)
Definition odbc.h:421
_hstmt::query
DSTR query
query to execute
Definition odbc.h:397
_hstmt::need_reprepare
unsigned need_reprepare
Prepared statement needs to be prepared again.
Definition odbc.h:414
_hstmt::next
struct _hstmt * next
next in list
Definition odbc.h:402
_hstmt::tds
TDSSOCKET * tds
socket (only if active)
Definition odbc.h:399
_hstmt::prev
struct _hstmt * prev
previous in list
Definition odbc.h:404
_hstmt::params
TDSPARAMINFO * params
parameters saved
Definition odbc.h:419
TDS_FUNCS
Definition odbc.h:451
TDS_PARSED_PARAM
Definition odbc.h:542
SQLTVP
Definition odbc.h:571
TDS_DATETIMEALL
this structure is not directed connected to a TDS protocol but keeps any DATE/TIME information.
Definition tds.h:145
tds_login
Definition tds.h:518
tds_column_funcs
Definition tds.h:647
tds_column
Metadata about columns in regular and compute rows.
Definition tds.h:693
tds_result_info
Hold information for any results.
Definition tds.h:773
tds_cursor
Holds informations about a cursor.
Definition tds.h:941
tds_dynamic
Holds information for a dynamic (also called prepared) query.
Definition tds.h:981
tds_context
Definition tds.h:1033
tds_connection
Definition tds.h:1095
tds_socket
Information for a server connection.
Definition tds.h:1180
tds_bcpinfo
Definition tds.h:1700
tds_dstr
Structure to hold a string.
Definition string.h:36