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1 /*
2 * isql.h
3 *
4 * $Id$
5 *
6 * iODBC defines
7 *
8 * The iODBC driver manager.
9 *
10 * Copyright (C) 1995 by Ke Jin <kejin@empress.com>
11 *
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Library General Public
14 * License as published by the Free Software Foundation; either
15 * version 2 of the License, or (at your option) any later version.
16 *
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Library General Public License for more details.
21 *
22 * You should have received a copy of the GNU Library General Public
23 * License along with this library; if not, write to the Free
24 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26 #ifndef _ISQL_H
27 #define _ISQL_H
28
29 #ifndef WIN16
30 #ifdef WIN32
31 #define SQL_API __stdcall
32 #else
33 #define FAR
34 #define EXPORT
35 #define CALLBACK
36 #define SQL_API EXPORT CALLBACK
37 #ifndef __EMX__
38 typedef void *HWND;
39 #endif
40 #endif
41 #endif
42
43 typedef void *SQLHWND;
44
45 typedef unsigned char UCHAR;
46 typedef long int SDWORD;
47 typedef short int SWORD;
48 typedef unsigned long int UDWORD;
49 typedef unsigned short int UWORD;
50
51 typedef void FAR *PTR;
52 typedef void FAR *HENV;
53 typedef void FAR *HDBC;
54 typedef void FAR *HSTMT;
55
56 typedef signed short RETCODE;
57 #define SQLRETURN RETCODE
58
59
60 #define ODBCVER 0x0250
61
62 #define SQL_MAX_MESSAGE_LENGTH 512
63 #define SQL_MAX_DSN_LENGTH 32
64
65 /*
66 * Function return codes
67 */
68 #define SQL_INVALID_HANDLE (-2)
69 #define SQL_ERROR (-1)
70 #define SQL_SUCCESS 0
71 #define SQL_SUCCESS_WITH_INFO 1
72 #define SQL_NO_DATA_FOUND 100
73
74 /*
75 * Standard SQL datatypes, using ANSI type numbering
76 */
77 #define SQL_CHAR 1
78 #define SQL_NUMERIC 2
79 #define SQL_DECIMAL 3
80 #define SQL_INTEGER 4
81 #define SQL_SMALLINT 5
82 #define SQL_FLOAT 6
83 #define SQL_REAL 7
84 #define SQL_DOUBLE 8
85 #define SQL_VARCHAR 12
86
87 #define SQL_TYPE_MIN SQL_CHAR
88 #define SQL_TYPE_NULL 0
89 #define SQL_TYPE_MAX SQL_VARCHAR
90
91 /*
92 * C datatype to SQL datatype mapping
93 */
94 #define SQL_C_CHAR SQL_CHAR
95 #define SQL_C_LONG SQL_INTEGER
96 #define SQL_C_SHORT SQL_SMALLINT
97 #define SQL_C_FLOAT SQL_REAL
98 #define SQL_C_DOUBLE SQL_DOUBLE
99 #define SQL_C_DEFAULT 99
100
101 /*
102 * NULL status constants.
103 */
104 #define SQL_NO_NULLS 0
105 #define SQL_NULLABLE 1
106 #define SQL_NULLABLE_UNKNOWN 2
107
108 /*
109 * Special length values
110 */
111 #define SQL_NULL_DATA (-1)
112 #define SQL_DATA_AT_EXEC (-2)
113 #define SQL_NTS (-3)
114
115 /*
116 * SQLFreeStmt
117 */
118 #define SQL_CLOSE 0
119 #define SQL_DROP 1
120 #define SQL_UNBIND 2
121 #define SQL_RESET_PARAMS 3
122
123 /*
124 * SQLTransact
125 */
126 #define SQL_COMMIT 0
127 #define SQL_ROLLBACK 1
128
129 /*
130 * SQLColAttributes
131 */
132 #define SQL_COLUMN_COUNT 0
133 #define SQL_COLUMN_NAME 1
134 #define SQL_COLUMN_TYPE 2
135 #define SQL_COLUMN_LENGTH 3
136 #define SQL_COLUMN_PRECISION 4
137 #define SQL_COLUMN_SCALE 5
138 #define SQL_COLUMN_DISPLAY_SIZE 6
139 #define SQL_COLUMN_NULLABLE 7
140 #define SQL_COLUMN_UNSIGNED 8
141 #define SQL_COLUMN_MONEY 9
142 #define SQL_COLUMN_UPDATABLE 10
143 #define SQL_COLUMN_AUTO_INCREMENT 11
144 #define SQL_COLUMN_CASE_SENSITIVE 12
145 #define SQL_COLUMN_SEARCHABLE 13
146 #define SQL_COLUMN_TYPE_NAME 14
147 #define SQL_COLUMN_TABLE_NAME 15
148 #define SQL_COLUMN_OWNER_NAME 16
149 #define SQL_COLUMN_QUALIFIER_NAME 17
150 #define SQL_COLUMN_LABEL 18
151
152 #define SQL_COLATT_OPT_MAX SQL_COLUMN_LABEL
153 #define SQL_COLATT_OPT_MIN SQL_COLUMN_COUNT
154 #define SQL_COLUMN_DRIVER_START 1000
155
156 /*
157 * SQLColAttributes : SQL_COLUMN_UPDATABLE
158 */
159 #define SQL_ATTR_READONLY 0
160 #define SQL_ATTR_WRITE 1
161 #define SQL_ATTR_READWRITE_UNKNOWN 2
162
163 /*
164 * SQLColAttributes : SQL_COLUMN_SEARCHABLE
165 */
166 #define SQL_UNSEARCHABLE 0
167 #define SQL_LIKE_ONLY 1
168 #define SQL_ALL_EXCEPT_LIKE 2
169 #define SQL_SEARCHABLE 3
170
171 /*
172 * NULL Handles
173 */
174 #define SQL_NULL_HENV 0
175 #define SQL_NULL_HDBC 0
176 #define SQL_NULL_HSTMT 0
177
178
179 /*
180 * Function Prototypes
181 */
182 #ifdef __cplusplus
183 extern "C"
184 {
185 #endif
186
187 RETCODE SQL_API SQLAllocConnect (HENV henv, HDBC FAR * phdbc);
188 RETCODE SQL_API SQLAllocEnv (HENV FAR * phenv);
189 RETCODE SQL_API SQLAllocStmt (HDBC hdbc, HSTMT FAR * phstmt);
190 RETCODE SQL_API SQLBindCol (HSTMT hstmt, UWORD icol, SWORD fCType,
191 PTR rgbValue, SDWORD cbValueMax, SDWORD FAR * pcbValue);
192 RETCODE SQL_API SQLCancel (HSTMT hstmt);
193 RETCODE SQL_API SQLColAttributes (HSTMT hstmt, UWORD icol, UWORD fDescType,
194 PTR rgbDesc, SWORD cbDescMax, SWORD FAR * pcbDesc, SDWORD FAR * pfDesc);
195 RETCODE SQL_API SQLConnect (HDBC hdbc, UCHAR FAR * szDSN, SWORD cbDSN,
196 UCHAR FAR * szUID, SWORD cbUID, UCHAR FAR * szAuthStr, SWORD cbAuthStr);
197 RETCODE SQL_API SQLDescribeCol (HSTMT hstmt, UWORD icol,
198 UCHAR FAR * szColName, SWORD cbColNameMax, SWORD FAR * pcbColName,
199 SWORD FAR * pfSqlType, UDWORD FAR * pcbColDef, SWORD FAR * pibScale,
200 SWORD FAR * pfNullable);
201 RETCODE SQL_API SQLDisconnect (HDBC hdbc);
202 RETCODE SQL_API SQLError (HENV henv, HDBC hdbc, HSTMT hstmt,
203 UCHAR FAR * szSqlState, SDWORD FAR * pfNativeError, UCHAR FAR * szErrorMsg,
204 SWORD cbErrorMsgMax, SWORD FAR * pcbErrorMsg);
205 RETCODE SQL_API SQLExecDirect (HSTMT hstmt, UCHAR FAR * szSqlStr,
206 SDWORD cbSqlStr);
207 RETCODE SQL_API SQLExecute (HSTMT hstmt);
208 RETCODE SQL_API SQLFetch (HSTMT hstmt);
209 RETCODE SQL_API SQLFreeConnect (HDBC hdbc);
210 RETCODE SQL_API SQLFreeEnv (HENV henv);
211 RETCODE SQL_API SQLFreeStmt (HSTMT hstmt, UWORD fOption);
212 RETCODE SQL_API SQLGetCursorName (HSTMT hstmt, UCHAR FAR * szCursor,
213 SWORD cbCursorMax, SWORD FAR * pcbCursor);
214 RETCODE SQL_API SQLNumResultCols (HSTMT hstmt, SWORD FAR * pccol);
215 RETCODE SQL_API SQLPrepare (HSTMT hstmt, UCHAR FAR * szSqlStr,
216 SDWORD cbSqlStr);
217 RETCODE SQL_API SQLRowCount (HSTMT hstmt, SDWORD FAR * pcrow);
218 RETCODE SQL_API SQLSetCursorName (HSTMT hstmt, UCHAR FAR * szCursor,
219 SWORD cbCursor);
220 RETCODE SQL_API SQLTransact (HENV henv, HDBC hdbc, UWORD fType);
221
222 /*
223 * Depreciated ODBC 1.0 function - Use SQLBindParameter
224 */
225 RETCODE SQL_API SQLSetParam (HSTMT hstmt, UWORD ipar, SWORD fCType,
226 SWORD fSqlType, UDWORD cbColDef, SWORD ibScale, PTR rgbValue,
227 SDWORD FAR * pcbValue);
228
229 #ifdef __cplusplus
230 }
231 #endif
232
233 #endif