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info.c
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info.c
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/*--------
* Module: info.c
*
* Description: This module contains routines related to
* ODBC informational functions.
*
* Classes: n/a
*
* API functions: SQLGetInfo, SQLGetTypeInfo, SQLGetFunctions,
* SQLTables, SQLColumns, SQLStatistics, SQLSpecialColumns,
* SQLPrimaryKeys, SQLForeignKeys,
* SQLProcedureColumns, SQLProcedures,
* SQLTablePrivileges, SQLColumnPrivileges(NI)
*
* Comments: See "readme.txt" for copyright and license information.
*--------
*/
#include "psqlodbc.h"
#include "unicode_support.h"
#include <string.h>
#include <stdio.h>
#ifndef WIN32
#include <ctype.h>
#endif
#include "tuple.h"
#include "pgtypes.h"
#include "dlg_specific.h"
#include "environ.h"
#include "connection.h"
#include "statement.h"
#include "qresult.h"
#include "bind.h"
#include "misc.h"
#include "pgtypes.h"
#include "pgapifunc.h"
#include "multibyte.h"
#include "catfunc.h"
/* Trigger related stuff for SQLForeign Keys */
#define TRIGGER_SHIFT 3
#define TRIGGER_MASK 0x03
#define TRIGGER_DELETE 0x01
#define TRIGGER_UPDATE 0x02
static const SQLCHAR *pubstr = (SQLCHAR *) "public";
static const char *likeop = "like";
static const char *eqop = "=";
/* group of SQL_CVT_(chars) */
#define PG_CONVERT_CH SQL_CVT_CHAR | SQL_CVT_VARCHAR | SQL_CVT_LONGVARCHAR
/* group of SQL_CVT_(numbers) */
#define PG_CONVERT_NUM SQL_CVT_SMALLINT | SQL_CVT_INTEGER | SQL_CVT_BIGINT | SQL_CVT_REAL | SQL_CVT_FLOAT | SQL_CVT_DOUBLE | SQL_CVT_NUMERIC | SQL_CVT_DECIMAL
/* group of SQL_CVT_(date time) */
#define PG_CONVERT_DT SQL_CVT_DATE | SQL_CVT_TIME | SQL_CVT_TIMESTAMP
/* group of SQL_CVT_(wchars) */
#ifdef UNICODE_SUPPORT
#define PG_CONVERT_WCH SQL_CVT_WCHAR | SQL_CVT_WVARCHAR | SQL_CVT_WLONGVARCHAR
#else
#define PG_CONVERT_WCH 0
#endif /* UNICODE_SUPPORT */
#define QR_set_field_info_EN(self, field_num, adtid, adtsize) (CI_set_field_info(self->fields, field_num, catcn[field_num][is_ODBC2], adtid, adtsize, -1, 0, 0))
const SQLLEN mask_longvarbinary = SQL_CVT_LONGVARBINARY;
RETCODE SQL_API
PGAPI_GetInfo(HDBC hdbc,
SQLUSMALLINT fInfoType,
PTR rgbInfoValue,
SQLSMALLINT cbInfoValueMax,
SQLSMALLINT * pcbInfoValue)
{
CSTR func = "PGAPI_GetInfo";
ConnectionClass *conn = (ConnectionClass *) hdbc;
ConnInfo *ci;
const char *p = NULL;
char tmp[MAX_INFO_STRING];
SQLULEN len = 0,
value = 0;
RETCODE ret = SQL_ERROR;
char odbcver[16];
MYLOG(0, "entering...fInfoType=%d\n", fInfoType);
if (!conn)
{
CC_log_error(func, NULL_STRING, NULL);
return SQL_INVALID_HANDLE;
}
ci = &(conn->connInfo);
switch (fInfoType)
{
case SQL_ACCESSIBLE_PROCEDURES: /* ODBC 1.0 */
p = "N";
break;
case SQL_ACCESSIBLE_TABLES: /* ODBC 1.0 */
p = CC_accessible_only(conn) ? "Y" : "N";
break;
case SQL_ACTIVE_CONNECTIONS: /* ODBC 1.0 */
len = 2;
value = 0;
break;
case SQL_ACTIVE_STATEMENTS: /* ODBC 1.0 */
len = 2;
value = 0;
break;
case SQL_ALTER_TABLE: /* ODBC 2.0 */
len = 4;
value = SQL_AT_ADD_COLUMN
| SQL_AT_DROP_COLUMN
| SQL_AT_ADD_COLUMN_SINGLE
| SQL_AT_ADD_CONSTRAINT
| SQL_AT_ADD_TABLE_CONSTRAINT
| SQL_AT_CONSTRAINT_INITIALLY_DEFERRED
| SQL_AT_CONSTRAINT_INITIALLY_IMMEDIATE
| SQL_AT_CONSTRAINT_DEFERRABLE
| SQL_AT_DROP_TABLE_CONSTRAINT_RESTRICT
| SQL_AT_DROP_TABLE_CONSTRAINT_CASCADE
| SQL_AT_DROP_COLUMN_RESTRICT
| SQL_AT_DROP_COLUMN_CASCADE;
break;
case SQL_BOOKMARK_PERSISTENCE: /* ODBC 2.0 */
/* very simple bookmark support */
len = 4;
value = SQL_BP_SCROLL | SQL_BP_DELETE | SQL_BP_UPDATE | SQL_BP_TRANSACTION;
break;
case SQL_COLUMN_ALIAS: /* ODBC 2.0 */
p = "Y";
break;
case SQL_CONCAT_NULL_BEHAVIOR: /* ODBC 1.0 */
len = 2;
value = SQL_CB_NON_NULL;
break;
case SQL_CONVERT_BIT:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : SQL_CVT_BIT | SQL_CVT_INTEGER | PG_CONVERT_CH | PG_CONVERT_WCH;
MYLOG(0, "SQL_CONVERT_ mask=" FORMAT_ULEN "\n", value);
break;
case SQL_CONVERT_INTEGER:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : SQL_CVT_BIT | PG_CONVERT_NUM | PG_CONVERT_CH | PG_CONVERT_WCH;
break;
case SQL_CONVERT_SMALLINT:
case SQL_CONVERT_BIGINT:
case SQL_CONVERT_DECIMAL:
case SQL_CONVERT_DOUBLE:
case SQL_CONVERT_FLOAT:
case SQL_CONVERT_NUMERIC:
case SQL_CONVERT_REAL:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : PG_CONVERT_NUM | PG_CONVERT_CH | PG_CONVERT_WCH;
break;
case SQL_CONVERT_CHAR:
case SQL_CONVERT_VARCHAR: /* ODBC 1.0 */
case SQL_CONVERT_LONGVARCHAR:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : SQL_CVT_BIT | PG_CONVERT_NUM | PG_CONVERT_CH | PG_CONVERT_WCH;
break;
case SQL_CONVERT_DATE:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : PG_CONVERT_CH | SQL_CVT_DATE | SQL_CVT_TIMESTAMP | PG_CONVERT_WCH;
break;
case SQL_CONVERT_TIME:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : PG_CONVERT_CH | SQL_CVT_TIME | PG_CONVERT_WCH;
break;
case SQL_CONVERT_TIMESTAMP:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : PG_CONVERT_CH | PG_CONVERT_DT | PG_CONVERT_WCH;
break;
case SQL_CONVERT_LONGVARBINARY:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : SQL_CVT_LONGVARBINARY;
break;
#ifdef UNICODE_SUPPORT
case SQL_CONVERT_WCHAR:
case SQL_CONVERT_WLONGVARCHAR:
case SQL_CONVERT_WVARCHAR:
len = sizeof(SQLUINTEGER);
value = ci->disable_convert_func ? 0 : SQL_CVT_BIT | PG_CONVERT_NUM | PG_CONVERT_DT | PG_CONVERT_WCH;
break;
#endif /* UNICODE_SUPPORT */
case SQL_CONVERT_TINYINT:
case SQL_CONVERT_BINARY:
case SQL_CONVERT_VARBINARY: /* ODBC 1.0 */
len = sizeof(SQLUINTEGER);
value = 0; /* CONVERT is unavailable */
break;
case SQL_CONVERT_FUNCTIONS: /* ODBC 1.0 */
len = sizeof(SQLUINTEGER);
value = SQL_FN_CVT_CONVERT;
MYLOG(0, "CONVERT_FUNCTIONS=" FORMAT_ULEN "\n", value);
break;
case SQL_CORRELATION_NAME: /* ODBC 1.0 */
/*
* Saying no correlation name makes Query not work right.
* value = SQL_CN_NONE;
*/
len = 2;
value = SQL_CN_ANY;
break;
case SQL_CURSOR_COMMIT_BEHAVIOR: /* ODBC 1.0 */
len = 2;
value = SQL_CB_PRESERVE;
break;
case SQL_CURSOR_ROLLBACK_BEHAVIOR: /* ODBC 1.0 */
len = 2;
if (!ci->drivers.use_declarefetch)
value = SQL_CB_PRESERVE;
else
value = SQL_CB_CLOSE;
break;
case SQL_DATA_SOURCE_NAME: /* ODBC 1.0 */
p = CC_get_DSN(conn);
break;
case SQL_DATA_SOURCE_READ_ONLY: /* ODBC 1.0 */
p = CC_is_onlyread(conn) ? "Y" : "N";
break;
case SQL_DATABASE_NAME: /* Support for old ODBC 1.0 Apps */
/*
* Returning the database name causes problems in MS Query. It
* generates query like: "SELECT DISTINCT a FROM byronnbad3
* bad3"
*
* p = CC_get_database(conn);
*/
p = CurrCatString(conn);
break;
case SQL_DBMS_NAME: /* ODBC 1.0 */
if (CC_fake_mss(conn))
p = "Microsoft SQL Server";
else
p = "PostgreSQL";
break;
case SQL_DBMS_VER: /* ODBC 1.0 */
/*
* The ODBC spec wants ##.##.#### ...whatever... so prepend
* the driver
*/
/* version number to the dbms version string */
/*
SPRINTF_FIXED(tmp, "%s %s", POSTGRESDRIVERVERSION, conn->pg_version);
tmp[sizeof(tmp) - 1] = '\0'; */
if (CC_fake_mss(conn))
p = "09.00.1399";
else
{
STRCPY_FIXED(tmp, conn->pg_version);
p = tmp;
}
break;
case SQL_DEFAULT_TXN_ISOLATION: /* ODBC 1.0 */
len = 4;
if (0 == conn->default_isolation)
conn->isolation = CC_get_isolation(conn);
value = conn->default_isolation;
break;
case SQL_DRIVER_NAME: /* ODBC 1.0 */
p = DRIVER_FILE_NAME;
break;
case SQL_DRIVER_ODBC_VER:
SPRINTF_FIXED(odbcver, "%02x.%02x", ODBCVER / 256, ODBCVER % 256);
/* p = DRIVER_ODBC_VER; */
p = odbcver;
break;
case SQL_DRIVER_VER: /* ODBC 1.0 */
p = POSTGRESDRIVERVERSION;
break;
case SQL_EXPRESSIONS_IN_ORDERBY: /* ODBC 1.0 */
p = "Y";
break;
case SQL_FETCH_DIRECTION: /* ODBC 1.0 */
len = 4;
value = (SQL_FD_FETCH_NEXT |
SQL_FD_FETCH_FIRST |
SQL_FD_FETCH_LAST |
SQL_FD_FETCH_PRIOR |
SQL_FD_FETCH_ABSOLUTE |
SQL_FD_FETCH_RELATIVE |
SQL_FD_FETCH_BOOKMARK);
break;
case SQL_FILE_USAGE: /* ODBC 2.0 */
len = 2;
value = SQL_FILE_NOT_SUPPORTED;
break;
case SQL_GETDATA_EXTENSIONS: /* ODBC 2.0 */
len = 4;
value = (SQL_GD_ANY_COLUMN | SQL_GD_ANY_ORDER | SQL_GD_BOUND | SQL_GD_BLOCK);
break;
case SQL_GROUP_BY: /* ODBC 2.0 */
len = 2;
value = SQL_GB_GROUP_BY_EQUALS_SELECT;
break;
case SQL_IDENTIFIER_CASE: /* ODBC 1.0 */
/*
* are identifiers case-sensitive (yes, but only when quoted.
* If not quoted, they default to lowercase)
*/
len = 2;
value = SQL_IC_LOWER;
break;
case SQL_IDENTIFIER_QUOTE_CHAR: /* ODBC 1.0 */
/* the character used to quote "identifiers" */
p = "\"";
break;
case SQL_KEYWORDS: /* ODBC 2.0 */
p = NULL_STRING;
break;
case SQL_LIKE_ESCAPE_CLAUSE: /* ODBC 2.0 */
p = "Y";
break;
case SQL_LOCK_TYPES: /* ODBC 2.0 */
len = 4;
value = ci->drivers.lie ? (SQL_LCK_NO_CHANGE | SQL_LCK_EXCLUSIVE | SQL_LCK_UNLOCK) : SQL_LCK_NO_CHANGE;
break;
case SQL_MAX_BINARY_LITERAL_LEN: /* ODBC 2.0 */
len = 4;
value = 0;
break;
case SQL_MAX_CHAR_LITERAL_LEN: /* ODBC 2.0 */
len = 4;
value = 0;
break;
case SQL_MAX_COLUMN_NAME_LEN: /* ODBC 1.0 */
len = 2;
value = CC_get_max_idlen(conn);
if (0 == value)
value = NAMEDATALEN_V73 - 1;
break;
case SQL_MAX_COLUMNS_IN_GROUP_BY: /* ODBC 2.0 */
len = 2;
value = 0;
break;
case SQL_MAX_COLUMNS_IN_INDEX: /* ODBC 2.0 */
len = 2;
value = 0;
break;
case SQL_MAX_COLUMNS_IN_ORDER_BY: /* ODBC 2.0 */
len = 2;
value = 0;
break;
case SQL_MAX_COLUMNS_IN_SELECT: /* ODBC 2.0 */
len = 2;
value = 0;
break;
case SQL_MAX_COLUMNS_IN_TABLE: /* ODBC 2.0 */
len = 2;
value = 0;
break;
case SQL_MAX_CURSOR_NAME_LEN: /* ODBC 1.0 */
len = 2;
value = MAX_CURSOR_LEN;
break;
case SQL_MAX_INDEX_SIZE: /* ODBC 2.0 */
len = 4;
value = 0;
break;
case SQL_MAX_OWNER_NAME_LEN: /* ODBC 1.0 */
len = 2;
value = 0;
if (PG_VERSION_GT(conn, 7.4))
value = CC_get_max_idlen(conn);
#ifdef MAX_SCHEMA_LEN
else
value = MAX_SCHEMA_LEN;
#endif /* MAX_SCHEMA_LEN */
if (0 == value)
value = NAMEDATALEN_V73 - 1;
break;
case SQL_MAX_PROCEDURE_NAME_LEN: /* ODBC 1.0 */
len = 2;
value = 0;
break;
case SQL_MAX_QUALIFIER_NAME_LEN: /* ODBC 1.0 */
len = 2;
value = 0;
break;
case SQL_MAX_ROW_SIZE: /* ODBC 2.0 */
len = 4;
/* No limit with tuptoaster in 7.1+ */
value = 0;
break;
case SQL_MAX_STATEMENT_LEN: /* ODBC 2.0 */
len = 4;
value = 0;
break;
case SQL_MAX_TABLE_NAME_LEN: /* ODBC 1.0 */
len = 2;
if (PG_VERSION_GT(conn, 7.4))
value = CC_get_max_idlen(conn);
#ifdef MAX_TABLE_LEN
else
value = MAX_TABLE_LEN;
#endif /* MAX_TABLE_LEN */
if (0 == value)
value = NAMEDATALEN_V73 - 1;
break;
case SQL_MAX_TABLES_IN_SELECT: /* ODBC 2.0 */
len = 2;
value = 0;
break;
case SQL_MAX_USER_NAME_LEN:
len = 2;
value = 0;
break;
case SQL_MULT_RESULT_SETS: /* ODBC 1.0 */
/* Don't support multiple result sets but say yes anyway? */
p = "Y";
break;
case SQL_MULTIPLE_ACTIVE_TXN: /* ODBC 1.0 */
p = "Y";
break;
case SQL_NEED_LONG_DATA_LEN: /* ODBC 2.0 */
/*
* Don't need the length, SQLPutData can handle any size and
* multiple calls
*/
p = "N";
break;
case SQL_NON_NULLABLE_COLUMNS: /* ODBC 1.0 */
len = 2;
value = SQL_NNC_NON_NULL;
break;
case SQL_NULL_COLLATION: /* ODBC 2.0 */
/* where are nulls sorted? */
len = 2;
value = SQL_NC_HIGH;
break;
case SQL_NUMERIC_FUNCTIONS: /* ODBC 1.0 */
len = 4;
value = SQL_FN_NUM_ABS | SQL_FN_NUM_ACOS | SQL_FN_NUM_ASIN | SQL_FN_NUM_ATAN |
SQL_FN_NUM_ATAN2 | SQL_FN_NUM_CEILING | SQL_FN_NUM_COS | SQL_FN_NUM_COT |
SQL_FN_NUM_DEGREES | SQL_FN_NUM_EXP | SQL_FN_NUM_FLOOR | SQL_FN_NUM_LOG |
SQL_FN_NUM_LOG10 | SQL_FN_NUM_MOD | SQL_FN_NUM_PI | SQL_FN_NUM_POWER |
SQL_FN_NUM_RADIANS | SQL_FN_NUM_RAND | SQL_FN_NUM_ROUND | SQL_FN_NUM_SIGN |
SQL_FN_NUM_SIN | SQL_FN_NUM_SQRT | SQL_FN_NUM_TAN | SQL_FN_NUM_TRUNCATE;
break;
case SQL_ODBC_API_CONFORMANCE: /* ODBC 1.0 */
len = 2;
value = SQL_OAC_LEVEL1;
break;
case SQL_ODBC_SAG_CLI_CONFORMANCE: /* ODBC 1.0 */
len = 2;
value = SQL_OSCC_NOT_COMPLIANT;
break;
case SQL_ODBC_SQL_CONFORMANCE: /* ODBC 1.0 */
len = 2;
value = SQL_OSC_CORE;
break;
case SQL_ODBC_SQL_OPT_IEF: /* ODBC 1.0 */
p = "N";
break;
case SQL_OJ_CAPABILITIES: /* ODBC 2.01 */
len = 4;
value = (SQL_OJ_LEFT |
SQL_OJ_RIGHT |
SQL_OJ_FULL |
SQL_OJ_NESTED |
SQL_OJ_NOT_ORDERED |
SQL_OJ_INNER |
SQL_OJ_ALL_COMPARISON_OPS);
break;
case SQL_ORDER_BY_COLUMNS_IN_SELECT: /* ODBC 2.0 */
p = "Y";
break;
case SQL_OUTER_JOINS: /* ODBC 1.0 */
p = "Y";
break;
case SQL_OWNER_TERM: /* ODBC 1.0 */
p = "schema";
break;
case SQL_OWNER_USAGE: /* ODBC 2.0 */
len = 4;
value = SQL_OU_DML_STATEMENTS
| SQL_OU_TABLE_DEFINITION
| SQL_OU_INDEX_DEFINITION
| SQL_OU_PRIVILEGE_DEFINITION;
break;
case SQL_POS_OPERATIONS: /* ODBC 2.0 */
len = 4;
value = (SQL_POS_POSITION | SQL_POS_REFRESH);
if (0 != ci->updatable_cursors)
value |= (SQL_POS_UPDATE | SQL_POS_DELETE | SQL_POS_ADD);
break;
case SQL_POSITIONED_STATEMENTS: /* ODBC 2.0 */
len = 4;
value = ci->drivers.lie ? (SQL_PS_POSITIONED_DELETE |
SQL_PS_POSITIONED_UPDATE |
SQL_PS_SELECT_FOR_UPDATE) : 0;
break;
case SQL_PROCEDURE_TERM: /* ODBC 1.0 */
p = "procedure";
break;
case SQL_PROCEDURES: /* ODBC 1.0 */
p = "Y";
break;
case SQL_QUALIFIER_LOCATION: /* ODBC 2.0 */
len = 2;
if (CurrCat(conn))
value = SQL_QL_START;
else
value = 0;
break;
case SQL_QUALIFIER_NAME_SEPARATOR: /* ODBC 1.0 */
if (CurrCat(conn))
p = ".";
else
p = NULL_STRING;
break;
case SQL_QUALIFIER_TERM: /* ODBC 1.0 */
if (CurrCat(conn))
p = "catalog";
else
p = NULL_STRING;
break;
case SQL_QUALIFIER_USAGE: /* ODBC 2.0 */
len = 4;
if (CurrCat(conn))
value = SQL_CU_DML_STATEMENTS;
else
value = 0;
break;
case SQL_QUOTED_IDENTIFIER_CASE: /* ODBC 2.0 */
/* are "quoted" identifiers case-sensitive? YES! */
len = 2;
value = SQL_IC_SENSITIVE;
break;
case SQL_ROW_UPDATES: /* ODBC 1.0 */
/*
* Driver doesn't support keyset-driven or mixed cursors, so
* not much point in saying row updates are supported
*/
p = (0 != ci->updatable_cursors) ? "Y" : "N";
break;
case SQL_SCROLL_CONCURRENCY: /* ODBC 1.0 */
len = 4;
value = SQL_SCCO_READ_ONLY;
if (0 != ci->updatable_cursors)
value |= SQL_SCCO_OPT_ROWVER;
if (ci->drivers.lie)
value |= (SQL_SCCO_LOCK | SQL_SCCO_OPT_VALUES);
break;
case SQL_SCROLL_OPTIONS: /* ODBC 1.0 */
len = 4;
value = SQL_SO_FORWARD_ONLY | SQL_SO_STATIC;
if (0 != (ci->updatable_cursors & ALLOW_KEYSET_DRIVEN_CURSORS))
value |= SQL_SO_KEYSET_DRIVEN;
if (ci->drivers.lie)
value |= (SQL_SO_DYNAMIC | SQL_SO_MIXED);
break;
case SQL_SEARCH_PATTERN_ESCAPE: /* ODBC 1.0 */
p = "\\";
break;
case SQL_SERVER_NAME: /* ODBC 1.0 */
p = CC_get_server(conn);
break;
case SQL_SPECIAL_CHARACTERS: /* ODBC 2.0 */
p = "_";
break;
case SQL_STATIC_SENSITIVITY: /* ODBC 2.0 */
len = 4;
value = 0;
if (0 != ci->updatable_cursors)
value |= (SQL_SS_ADDITIONS | SQL_SS_DELETIONS | SQL_SS_UPDATES);
break;
case SQL_STRING_FUNCTIONS: /* ODBC 1.0 */
len = 4;
value = SQL_FN_STR_ASCII | SQL_FN_STR_CHAR | SQL_FN_STR_CONCAT |
SQL_FN_STR_INSERT | SQL_FN_STR_LCASE | SQL_FN_STR_LEFT |
SQL_FN_STR_LENGTH | SQL_FN_STR_LOCATE | SQL_FN_STR_LOCATE_2 |
SQL_FN_STR_LTRIM | SQL_FN_STR_REPEAT | SQL_FN_STR_RIGHT |
SQL_FN_STR_RTRIM | SQL_FN_STR_SPACE | SQL_FN_STR_SUBSTRING | SQL_FN_STR_UCASE;
break;
case SQL_SUBQUERIES: /* ODBC 2.0 */
/* postgres 6.3 supports subqueries */
len = 4;
value = (SQL_SQ_QUANTIFIED |
SQL_SQ_IN |
SQL_SQ_EXISTS |
SQL_SQ_COMPARISON);
break;
case SQL_SYSTEM_FUNCTIONS: /* ODBC 1.0 */
len = 4;
value = SQL_FN_SYS_IFNULL | SQL_FN_SYS_USERNAME;
break;
case SQL_TABLE_TERM: /* ODBC 1.0 */
p = "table";
break;
case SQL_TIMEDATE_ADD_INTERVALS: /* ODBC 2.0 */
len = 4;
value = SQL_FN_TSI_DAY | SQL_FN_TSI_HOUR | SQL_FN_TSI_MINUTE | SQL_FN_TSI_SECOND
| SQL_FN_TSI_FRAC_SECOND | SQL_FN_TSI_YEAR | SQL_FN_TSI_MONTH | SQL_FN_TSI_WEEK;
break;
case SQL_TIMEDATE_DIFF_INTERVALS: /* ODBC 2.0 */
len = 4;
value = SQL_FN_TSI_DAY | SQL_FN_TSI_HOUR | SQL_FN_TSI_MINUTE
| SQL_FN_TSI_SECOND | SQL_FN_TSI_SECOND;
break;
case SQL_TIMEDATE_FUNCTIONS: /* ODBC 1.0 */
len = 4;
value = SQL_FN_TD_NOW | SQL_FN_TD_CURRENT_DATE | SQL_FN_TD_CURRENT_TIME
| SQL_FN_TD_CURRENT_TIMESTAMP | SQL_FN_TD_CURDATE | SQL_FN_TD_CURTIME
| SQL_FN_TD_DAYNAME | SQL_FN_TD_DAYOFMONTH | SQL_FN_TD_DAYOFWEEK
| SQL_FN_TD_DAYOFYEAR | SQL_FN_TD_HOUR | SQL_FN_TD_MINUTE
| SQL_FN_TD_MONTH | SQL_FN_TD_MONTHNAME | SQL_FN_TD_NOW
| SQL_FN_TD_QUARTER | SQL_FN_TD_SECOND | SQL_FN_TD_WEEK | SQL_FN_TD_YEAR
| SQL_FN_TD_TIMESTAMPADD | SQL_FN_TD_TIMESTAMPDIFF | SQL_FN_TD_EXTRACT;
break;
case SQL_TXN_CAPABLE: /* ODBC 1.0 */
/*
* Postgres can deal with create or drop table statements in a
* transaction
*/
len = 2;
value = SQL_TC_ALL;
break;
case SQL_TXN_ISOLATION_OPTION: /* ODBC 1.0 */
len = 4;
value = SQL_TXN_READ_UNCOMMITTED | SQL_TXN_READ_COMMITTED |
SQL_TXN_REPEATABLE_READ | SQL_TXN_SERIALIZABLE;
break;
case SQL_UNION: /* ODBC 2.0 */
/* unions with all supported in postgres 6.3 */
len = 4;
value = (SQL_U_UNION | SQL_U_UNION_ALL);
break;
case SQL_USER_NAME: /* ODBC 1.0 */
p = CC_get_username(conn);
break;
/* Keys for ODBC 3.0 */
case SQL_DYNAMIC_CURSOR_ATTRIBUTES1:
len = 4;
value = 0;
break;
case SQL_DYNAMIC_CURSOR_ATTRIBUTES2:
len = 4;
value = 0;
break;
case SQL_FORWARD_ONLY_CURSOR_ATTRIBUTES1:
len = 4;
value = SQL_CA1_NEXT; /* others aren't allowed in ODBC spec */
break;
case SQL_FORWARD_ONLY_CURSOR_ATTRIBUTES2:
len = 4;
value = SQL_CA2_READ_ONLY_CONCURRENCY;
if (!ci->drivers.use_declarefetch || ci->drivers.lie)
value |= SQL_CA2_CRC_EXACT;
break;
case SQL_KEYSET_CURSOR_ATTRIBUTES1:
len = 4;
value = SQL_CA1_NEXT | SQL_CA1_ABSOLUTE
| SQL_CA1_RELATIVE | SQL_CA1_BOOKMARK
| SQL_CA1_LOCK_NO_CHANGE | SQL_CA1_POS_POSITION
| SQL_CA1_POS_REFRESH;
if (0 != (ci->updatable_cursors & ALLOW_KEYSET_DRIVEN_CURSORS))
value |= (SQL_CA1_POS_UPDATE | SQL_CA1_POS_DELETE
| SQL_CA1_BULK_ADD
| SQL_CA1_BULK_UPDATE_BY_BOOKMARK
| SQL_CA1_BULK_DELETE_BY_BOOKMARK
| SQL_CA1_BULK_FETCH_BY_BOOKMARK
);
if (ci->drivers.lie)
value |= (SQL_CA1_LOCK_EXCLUSIVE
| SQL_CA1_LOCK_UNLOCK
| SQL_CA1_POSITIONED_UPDATE
| SQL_CA1_POSITIONED_DELETE
| SQL_CA1_SELECT_FOR_UPDATE
);
break;
case SQL_KEYSET_CURSOR_ATTRIBUTES2:
len = 4;
value = SQL_CA2_READ_ONLY_CONCURRENCY;
if (0 != (ci->updatable_cursors & ALLOW_KEYSET_DRIVEN_CURSORS))
value |= (SQL_CA2_OPT_ROWVER_CONCURRENCY
/*| SQL_CA2_CRC_APPROXIMATE*/
);
if (0 != (ci->updatable_cursors & SENSE_SELF_OPERATIONS))
value |= (SQL_CA2_SENSITIVITY_DELETIONS
| SQL_CA2_SENSITIVITY_UPDATES
| SQL_CA2_SENSITIVITY_ADDITIONS
);
if (!ci->drivers.use_declarefetch || ci->drivers.lie)
value |= SQL_CA2_CRC_EXACT;
if (ci->drivers.lie)
value |= (SQL_CA2_LOCK_CONCURRENCY
| SQL_CA2_OPT_VALUES_CONCURRENCY
| SQL_CA2_MAX_ROWS_SELECT
| SQL_CA2_MAX_ROWS_INSERT
| SQL_CA2_MAX_ROWS_DELETE
| SQL_CA2_MAX_ROWS_UPDATE
| SQL_CA2_MAX_ROWS_CATALOG
| SQL_CA2_MAX_ROWS_AFFECTS_ALL
| SQL_CA2_SIMULATE_NON_UNIQUE
| SQL_CA2_SIMULATE_TRY_UNIQUE
| SQL_CA2_SIMULATE_UNIQUE
);
break;
case SQL_STATIC_CURSOR_ATTRIBUTES1:
len = 4;
value = SQL_CA1_NEXT | SQL_CA1_ABSOLUTE
| SQL_CA1_RELATIVE | SQL_CA1_BOOKMARK
| SQL_CA1_LOCK_NO_CHANGE | SQL_CA1_POS_POSITION
| SQL_CA1_POS_REFRESH;
if (0 != (ci->updatable_cursors & ALLOW_STATIC_CURSORS))
value |= (SQL_CA1_POS_UPDATE | SQL_CA1_POS_DELETE
);
if (0 != (ci->updatable_cursors & ALLOW_BULK_OPERATIONS))
value |= (SQL_CA1_BULK_ADD
| SQL_CA1_BULK_UPDATE_BY_BOOKMARK
| SQL_CA1_BULK_DELETE_BY_BOOKMARK
| SQL_CA1_BULK_FETCH_BY_BOOKMARK
);
break;
case SQL_STATIC_CURSOR_ATTRIBUTES2:
len = 4;
value = SQL_CA2_READ_ONLY_CONCURRENCY;
if (0 != (ci->updatable_cursors & ALLOW_STATIC_CURSORS))
value |= (SQL_CA2_OPT_ROWVER_CONCURRENCY
);
if (0 != (ci->updatable_cursors & SENSE_SELF_OPERATIONS))
value |= (SQL_CA2_SENSITIVITY_DELETIONS
| SQL_CA2_SENSITIVITY_UPDATES
| SQL_CA2_SENSITIVITY_ADDITIONS
);
if (!ci->drivers.use_declarefetch || ci->drivers.lie)
value |= (SQL_CA2_CRC_EXACT
);
break;
case SQL_ODBC_INTERFACE_CONFORMANCE:
len = 4;
value = SQL_OIC_CORE;
if (ci->drivers.lie)
value = SQL_OIC_LEVEL2;
break;
case SQL_ACTIVE_ENVIRONMENTS:
len = 2;
value = 0;
break;
case SQL_AGGREGATE_FUNCTIONS:
len = 4;
value = SQL_AF_ALL;
break;
case SQL_ALTER_DOMAIN:
len = 4;
value = 0;
break;
case SQL_ASYNC_MODE:
len = 4;
value = SQL_AM_NONE;
break;
case SQL_BATCH_ROW_COUNT:
len = 4;
value = SQL_BRC_EXPLICIT;
break;
case SQL_BATCH_SUPPORT:
len = 4;
value = SQL_BS_SELECT_EXPLICIT | SQL_BS_ROW_COUNT_EXPLICIT;
break;
case SQL_CATALOG_NAME:
if (CurrCat(conn))
p = "Y";
else
p = "N";
break;
case SQL_COLLATION_SEQ:
p = "";
break;
case SQL_CREATE_ASSERTION:
len = 4;
value = 0;
break;
case SQL_CREATE_CHARACTER_SET:
len = 4;
value = 0;
break;
case SQL_CREATE_COLLATION:
len = 4;
value = 0;
break;
case SQL_CREATE_DOMAIN:
len = 4;
value = 0;
break;
case SQL_CREATE_SCHEMA:
len = 4;
value = SQL_CS_CREATE_SCHEMA | SQL_CS_AUTHORIZATION;
break;
case SQL_CREATE_TABLE:
len = 4;
value = SQL_CT_CREATE_TABLE
| SQL_CT_COLUMN_CONSTRAINT
| SQL_CT_COLUMN_DEFAULT
| SQL_CT_GLOBAL_TEMPORARY
| SQL_CT_TABLE_CONSTRAINT
| SQL_CT_CONSTRAINT_NAME_DEFINITION
| SQL_CT_CONSTRAINT_INITIALLY_DEFERRED
| SQL_CT_CONSTRAINT_INITIALLY_IMMEDIATE
| SQL_CT_CONSTRAINT_DEFERRABLE;
break;
case SQL_CREATE_TRANSLATION:
len = 4;
value = 0;
break;
case SQL_CREATE_VIEW:
len = 4;
value = SQL_CV_CREATE_VIEW;
break;
case SQL_DDL_INDEX:
len = 4;
value = SQL_DI_CREATE_INDEX | SQL_DI_DROP_INDEX;
break;
case SQL_DESCRIBE_PARAMETER:
p = "N";
break;
case SQL_DROP_ASSERTION:
len = 4;
value = 0;
break;
case SQL_DROP_CHARACTER_SET:
len = 4;
value = 0;
break;
case SQL_DROP_COLLATION:
len = 4;
value = 0;
break;
case SQL_DROP_DOMAIN:
len = 4;
value = 0;
break;
case SQL_DROP_SCHEMA:
len = 4;
value = SQL_DS_DROP_SCHEMA | SQL_DS_RESTRICT | SQL_DS_CASCADE;
break;
case SQL_DROP_TABLE:
len = 4;
value = SQL_DT_DROP_TABLE;
value |= (SQL_DT_RESTRICT | SQL_DT_CASCADE);
break;
case SQL_DROP_TRANSLATION:
len = 4;
value = 0;
break;
case SQL_DROP_VIEW:
len = 4;
value = SQL_DV_DROP_VIEW;
value |= (SQL_DV_RESTRICT | SQL_DV_CASCADE);
break;
case SQL_INDEX_KEYWORDS:
len = 4;
value = SQL_IK_NONE;
break;
case SQL_INFO_SCHEMA_VIEWS:
len = 4;
value = 0;
break;
case SQL_INSERT_STATEMENT:
len = 4;
value = SQL_IS_INSERT_LITERALS | SQL_IS_INSERT_SEARCHED | SQL_IS_SELECT_INTO;
break;
case SQL_MAX_IDENTIFIER_LEN:
len = 2;
value = CC_get_max_idlen(conn);
if (0 == value)
value = NAMEDATALEN_V73 - 1;
break;
case SQL_MAX_ROW_SIZE_INCLUDES_LONG:
p = "Y";
break;
case SQL_PARAM_ARRAY_ROW_COUNTS:
len = 4;
value = SQL_PARC_BATCH;
break;
case SQL_PARAM_ARRAY_SELECTS:
len = 4;
value = SQL_PAS_BATCH;
break;
case SQL_SQL_CONFORMANCE:
len = 4;
value = SQL_SC_SQL92_ENTRY;
break;
case SQL_SQL92_DATETIME_FUNCTIONS:
len = 4;
value = SQL_SDF_CURRENT_DATE | SQL_SDF_CURRENT_TIME | SQL_SDF_CURRENT_TIMESTAMP;
break;
case SQL_SQL92_FOREIGN_KEY_DELETE_RULE:
len = 4;
value = SQL_SFKD_CASCADE | SQL_SFKD_NO_ACTION | SQL_SFKD_SET_DEFAULT | SQL_SFKD_SET_NULL;
break;
case SQL_SQL92_FOREIGN_KEY_UPDATE_RULE:
len = 4;
value = SQL_SFKU_CASCADE | SQL_SFKU_NO_ACTION | SQL_SFKU_SET_DEFAULT | SQL_SFKU_SET_NULL;