mirror of
https://github.com/berkeleydb/libdb.git
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285 lines
8.8 KiB
C
285 lines
8.8 KiB
C
#ifndef _SQLITEODBC_H
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#define _SQLITEODBC_H
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/**
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* @mainpage
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* @section readme README
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* @verbinclude README
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* @section changelog ChangeLog
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* @verbinclude ChangeLog
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* @section copying License Terms
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* @verbinclude license.terms
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*/
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/**
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* @file sqliteodbc.h
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* Header file for SQLite ODBC driver.
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*
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* $Id: sqliteodbc.h,v 1.53 2009/03/22 08:45:33 chw Exp chw $
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*
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* Copyright (c) 2001-2009 Christian Werner <chw@ch-werner.de>
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*
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* See the file "license.terms" for information on usage
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* and redistribution of this file and for a
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* DISCLAIMER OF ALL WARRANTIES.
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*/
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#ifdef __OS2__
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#define INCL_WIN
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#define INCL_PM
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#define INCL_DOSMODULEMGR
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#define INCL_DOSERRORS
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#define INCL_WINSTDFILE
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#define ALLREADY_HAVE_OS2_TYPES
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#define DONT_TD_VOID
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#include <os2.h>
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#include <stdlib.h>
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#define ODBCVER 0x0300
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#include "resourceos2.h"
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#endif
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#if defined(_WIN32) || defined(_WIN64)
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#include <windows.h>
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#if defined(HAVE_SQLITETRACE) && HAVE_SQLITETRACE
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#include <stdio.h>
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#endif
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#else
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#include <sys/time.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <unistd.h>
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#endif
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#include <stdlib.h>
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#if defined(HAVE_LOCALECONV) || defined(_WIN32) || defined(_WIN64)
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#include <locale.h>
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#endif
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#include <stdarg.h>
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#include <stddef.h>
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#include <string.h>
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#include <sql.h>
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#include <sqlext.h>
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#include <time.h>
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#include "sqlite.h"
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#ifdef HAVE_IODBC
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#include <iodbcinst.h>
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#endif
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#if defined(HAVE_UNIXODBC) || defined(_WIN32) || defined(_WIN64)
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#include <odbcinst.h>
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#endif
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#ifndef SQL_API
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#define SQL_API
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#endif
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#ifndef HAVE_SQLLEN
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#define SQLLEN SQLINTEGER
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#endif
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#define SQLLEN_PTR SQLLEN *
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#ifndef HAVE_SQLULEN
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#define SQLULEN SQLUINTEGER
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#endif
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#ifndef HAVE_SQLROWCOUNT
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#define SQLROWCOUNT SQLUINTEGER
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#endif
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#ifndef HAVE_SQLSETPOSIROW
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#define SQLSETPOSIROW SQLUSMALLINT
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#endif
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#ifndef HAVE_SQLROWOFFSET
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#define SQLROWOFFSET SQLLEN
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#endif
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#ifndef HAVE_SQLROWSETSIZE
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#define SQLROWSETSIZE SQLULEN
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#endif
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struct dbc;
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struct stmt;
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/**
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* @typedef ENV
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* @struct ENV
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* Driver internal structure for environment (HENV).
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*/
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typedef struct {
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int magic; /**< Magic cookie */
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int ov3; /**< True for SQL_OV_ODBC3 */
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#if defined(_WIN32) || defined(_WIN64)
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CRITICAL_SECTION cs; /**< For serializing most APIs */
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DWORD owner; /**< Current owner of CS or 0 */
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#endif
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struct dbc *dbcs; /**< Pointer to first DBC */
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} ENV;
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/**
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* @typedef DBC
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* @struct dbc
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* Driver internal structure for database connection (HDBC).
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*/
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typedef struct dbc {
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int magic; /**< Magic cookie */
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ENV *env; /**< Pointer to environment */
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struct dbc *next; /**< Pointer to next DBC */
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sqlite *sqlite; /**< SQLITE database handle */
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int version; /**< SQLITE version number */
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char *dbname; /**< SQLITE database name */
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char *dsn; /**< ODBC data source name */
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int timeout; /**< Lock timeout value */
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long t0; /**< Start time for SQLITE busy handler */
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int busyint; /**< Interrupt busy handler from SQLCancel() */
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int *ov3; /**< True for SQL_OV_ODBC3 */
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int ov3val; /**< True for SQL_OV_ODBC3 */
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int autocommit; /**< Auto commit state */
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int intrans; /**< True when transaction started */
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struct stmt *stmt; /**< STMT list of this DBC */
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int naterr; /**< Native error code */
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char sqlstate[6]; /**< SQL state for SQLError() */
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SQLCHAR logmsg[1024]; /**< Message for SQLError() */
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int nowchar; /**< Don't try to use WCHAR */
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int longnames; /**< Don't shorten column names */
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int curtype; /**< Default cursor type */
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int step_enable; /**< True for sqlite_compile/step/finalize */
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int trans_disable; /**< True for no transaction support */
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struct stmt *vm_stmt; /**< Current STMT executing VM */
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int vm_rownum; /**< Current row number */
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#if defined(HAVE_SQLITETRACE) && HAVE_SQLITETRACE
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FILE *trace; /**< sqlite_trace() file pointer or NULL */
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#endif
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#ifdef USE_DLOPEN_FOR_GPPS
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void *instlib;
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int (*gpps)();
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#endif
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#if defined(_WIN32) || defined(_WIN64)
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int xcelqrx;
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#endif
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} DBC;
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/**
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* @typedef COL
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* @struct COL
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* Internal structure to describe a column in a result set.
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*/
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typedef struct {
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char *db; /**< Database name */
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char *table; /**< Table name */
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char *column; /**< Column name */
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int type; /**< Data type of column */
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int size; /**< Size of column */
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int index; /**< Index of column in result */
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int nosign; /**< Unsigned type */
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int scale; /**< Scale of column */
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int prec; /**< Precision of column */
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int autoinc; /**< AUTO_INCREMENT column */
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int notnull; /**< NOT NULL constraint on column */
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char *typename; /**< Column type name or NULL */
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char *label; /**< Column label or NULL */
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} COL;
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/**
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* @typedef BINDCOL
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* @struct BINDCOL
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* Internal structure for bound column (SQLBindCol).
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*/
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typedef struct {
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SQLSMALLINT type; /**< ODBC type */
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SQLINTEGER max; /**< Max. size of value buffer */
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SQLLEN *lenp; /**< Value return, actual size of value buffer */
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SQLPOINTER valp; /**< Value buffer */
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int index; /**< Index of column in result */
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int offs; /**< Byte offset for SQLGetData() */
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} BINDCOL;
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/**
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* @typedef BINDPARM
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* @struct BINDPARM
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* Internal structure for bound parameter (SQLBindParameter).
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*/
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typedef struct {
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int type, stype; /**< ODBC and SQL types */
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int coldef, scale; /**< from SQLBindParameter() */
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SQLLEN max; /**< Max. size size of parameter buffer */
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SQLLEN *lenp; /**< Actual size of parameter buffer */
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SQLLEN *lenp0; /**< Actual size of parameter buffer, initial value */
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void *param; /**< Parameter buffer */
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void *param0; /**< Parameter buffer, initial value */
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int inc; /**< Increment for paramset size > 1 */
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int need; /**< True when SQL_LEN_DATA_AT_EXEC */
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int bound; /**< True when SQLBindParameter() called */
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int offs, len; /**< Offset/length for SQLParamData()/SQLPutData() */
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void *parbuf; /**< Buffer for SQL_LEN_DATA_AT_EXEC etc. */
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char strbuf[64]; /**< String buffer for scalar data */
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} BINDPARM;
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/**
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* @typedef STMT
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* @struct stmt
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* Driver internal structure representing SQL statement (HSTMT).
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*/
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typedef struct stmt {
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struct stmt *next; /**< Linkage for STMT list in DBC */
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HDBC dbc; /**< Pointer to DBC */
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SQLCHAR cursorname[32]; /**< Cursor name */
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SQLCHAR *query; /**< Current query, raw string */
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char **parmnames; /**< Parameter names from current query */
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int *ov3; /**< True for SQL_OV_ODBC3 */
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int isselect; /**< > 0 if query is a SELECT statement */
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int ncols; /**< Number of result columns */
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COL *cols; /**< Result column array */
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COL *dyncols; /**< Column array, but malloc()ed */
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int dcols; /**< Number of entries in dyncols */
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int bkmrk; /**< True when bookmarks used */
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BINDCOL bkmrkcol; /**< Bookmark bound column */
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BINDCOL *bindcols; /**< Array of bound columns */
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int nbindcols; /**< Number of entries in bindcols */
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int nbindparms; /**< Number bound parameters */
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BINDPARM *bindparms; /**< Array of bound parameters */
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int nparams; /**< Number of parameters in query */
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int nrows; /**< Number of result rows */
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int rowp; /**< Current result row */
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char **rows; /**< 2-dim array, result set */
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void (*rowfree)(); /**< Free function for rows */
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int naterr; /**< Native error code */
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char sqlstate[6]; /**< SQL state for SQLError() */
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SQLCHAR logmsg[1024]; /**< Message for SQLError() */
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int nowchar[2]; /**< Don't try to use WCHAR */
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int longnames; /**< Don't shorten column names */
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int retr_data; /**< SQL_ATTR_RETRIEVE_DATA */
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SQLUINTEGER rowset_size; /**< Size of rowset */
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SQLUSMALLINT *row_status; /**< Row status pointer */
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SQLUSMALLINT *row_status0; /**< Internal status array */
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SQLUSMALLINT row_status1; /**< Internal status array for 1 row rowsets */
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SQLUINTEGER *row_count; /**< Row count pointer */
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SQLUINTEGER row_count0; /**< Row count */
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SQLUINTEGER paramset_size; /**< SQL_ATTR_PARAMSET_SIZE */
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SQLUINTEGER paramset_count; /**< Internal for paramset */
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SQLUINTEGER paramset_nrows; /**< Row count for paramset handling */
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SQLUINTEGER bind_type; /**< SQL_ATTR_ROW_BIND_TYPE */
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SQLUINTEGER *bind_offs; /**< SQL_ATTR_ROW_BIND_OFFSET_PTR */
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/* Dummies to make ADO happy */
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SQLUINTEGER *parm_bind_offs;/**< SQL_ATTR_PARAM_BIND_OFFSET_PTR */
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SQLUSMALLINT *parm_oper; /**< SQL_ATTR_PARAM_OPERATION_PTR */
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SQLUSMALLINT *parm_status; /**< SQL_ATTR_PARAMS_STATUS_PTR */
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SQLUINTEGER *parm_proc; /**< SQL_ATTR_PARAMS_PROCESSED_PTR */
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SQLUINTEGER parm_bind_type; /**< SQL_ATTR_PARAM_BIND_TYPE */
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int curtype; /**< Cursor type */
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sqlite_vm *vm; /**< SQLite VM or NULL */
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#if HAVE_ENCDEC
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char *bincell; /**< Undecoded string */
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char *bincache; /**< Cached decoded binary data */
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int binlen; /**< Length of decoded binary data */
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char *hexcache; /**< Cached decoded binary in hex */
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#endif
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} STMT;
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#endif
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