/
info.c
6152 lines (5617 loc) · 183 KB
/
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 <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
#define NULL_IF_NULL(a) ((a) ? ((const char *) a) : "(NULL)")
/* extern GLOBAL_VALUES globals; */
CSTR pubstr = "public";
CSTR likeop = "like";
CSTR eqop = "=";
RETCODE SQL_API
PGAPI_GetInfo(
HDBC hdbc,
SQLUSMALLINT fInfoType,
PTR rgbInfoValue,
SQLSMALLINT cbInfoValueMax,
SQLSMALLINT FAR * 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 result = SQL_ERROR;
char odbcver[16];
int i_odbcver;
mylog("%s: entering...fInfoType=%d\n", func, 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;
if (PG_VERSION_GE(conn, 7.3))
value |= SQL_AT_DROP_COLUMN;
#if (ODBCVER >= 0x0300)
value |= SQL_AT_ADD_COLUMN_SINGLE;
if (PG_VERSION_GE(conn, 7.1))
value |= SQL_AT_ADD_CONSTRAINT
| SQL_AT_ADD_TABLE_CONSTRAINT
| SQL_AT_CONSTRAINT_INITIALLY_DEFERRED
| SQL_AT_CONSTRAINT_INITIALLY_IMMEDIATE
| SQL_AT_CONSTRAINT_DEFERRABLE;
if (PG_VERSION_GE(conn, 7.3))
value |= SQL_AT_DROP_TABLE_CONSTRAINT_RESTRICT
| SQL_AT_DROP_TABLE_CONSTRAINT_CASCADE
| SQL_AT_DROP_COLUMN_RESTRICT
| SQL_AT_DROP_COLUMN_CASCADE;
#endif /* ODBCVER */
break;
case SQL_BOOKMARK_PERSISTENCE: /* ODBC 2.0 */
/* very simple bookmark support */
len = 4;
value = ci->drivers.use_declarefetch && PG_VERSION_LT(conn, 7.4) ? 0 : (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_INTEGER:
case SQL_CONVERT_SMALLINT:
case SQL_CONVERT_TINYINT:
case SQL_CONVERT_BIT:
case SQL_CONVERT_VARCHAR: /* ODBC 1.0 */
len = sizeof(SQLUINTEGER);
value = SQL_CVT_BIT | SQL_CVT_INTEGER;
mylog("SQL_CONVERT_ mask=" FORMAT_ULEN "\n", value);
break;
case SQL_CONVERT_BIGINT:
case SQL_CONVERT_DECIMAL:
case SQL_CONVERT_DOUBLE:
case SQL_CONVERT_FLOAT:
case SQL_CONVERT_NUMERIC:
case SQL_CONVERT_REAL:
case SQL_CONVERT_DATE:
case SQL_CONVERT_TIME:
case SQL_CONVERT_TIMESTAMP:
case SQL_CONVERT_BINARY:
case SQL_CONVERT_LONGVARBINARY:
case SQL_CONVERT_VARBINARY: /* ODBC 1.0 */
case SQL_CONVERT_CHAR:
case SQL_CONVERT_LONGVARCHAR:
#if defined(UNICODE_SUPPORT) && (ODBCVER >= 0x0300)
case SQL_CONVERT_WCHAR:
case SQL_CONVERT_WLONGVARCHAR:
case SQL_CONVERT_WVARCHAR:
#endif /* UNICODE_SUPPORT */
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("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_CLOSE;
if (!ci->drivers.use_declarefetch || PG_VERSION_GE(conn, 7.4))
value = SQL_CB_PRESERVE;
break;
case SQL_CURSOR_ROLLBACK_BEHAVIOR: /* ODBC 1.0 */
len = 2;
value = SQL_CB_CLOSE;
if (!ci->drivers.use_declarefetch)
value = SQL_CB_PRESERVE;
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 */
/*
snprintf(tmp, sizeof(tmp) - 1, "%s %s", POSTGRESDRIVERVERSION, conn->pg_version);
tmp[sizeof(tmp) - 1] = '\0'; */
if (CC_fake_mss(conn))
p = "09.00.1399";
else
{
strncpy_null(tmp, conn->pg_version, sizeof(tmp));
p = tmp;
}
break;
case SQL_DEFAULT_TXN_ISOLATION: /* ODBC 1.0 */
len = 4;
if (PG_VERSION_LT(conn, 6.5))
value = SQL_TXN_SERIALIZABLE;
else
value = SQL_TXN_READ_COMMITTED;
break;
case SQL_DRIVER_NAME: /* ODBC 1.0 */
p = DRIVER_FILE_NAME;
break;
case SQL_DRIVER_ODBC_VER:
i_odbcver = conn->driver_version;
snprintf(odbcver, sizeof(odbcver), "%02x.%02x", i_odbcver / 256, i_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 = PG_VERSION_GE(conn, 6.5) ? "Y" : "N";
break;
case SQL_FETCH_DIRECTION: /* ODBC 1.0 */
len = 4;
value = (SQL_FD_FETCH_NEXT |
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 = PG_VERSION_LE(conn, 6.2) ? " " : "\"";
break;
case SQL_KEYWORDS: /* ODBC 2.0 */
p = NULL_STRING;
break;
case SQL_LIKE_ESCAPE_CLAUSE: /* ODBC 2.0 */
/*
* is there a character that escapes '%' and '_' in a LIKE
* clause? not as far as I can tell
*/
p = "N";
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;
if (PG_VERSION_GT(conn, 7.4))
value = CC_get_max_idlen(conn);
#ifdef MAX_COLUMN_LEN
else
value = MAX_COLUMN_LEN;
#endif /* MAX_COLUMN_LEN */
if (0 == value)
{
if (PG_VERSION_GE(conn, 7.3))
value = NAMEDATALEN_V73;
else
value = NAMEDATALEN_V72;
}
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 if (conn->schema_support)
value = MAX_SCHEMA_LEN;
#endif /* MAX_SCHEMA_LEN */
if (0 == value)
{
if (PG_VERSION_GE(conn, 7.3))
value = NAMEDATALEN_V73;
}
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;
if (PG_VERSION_GE(conn, 7.1))
{
/* Large Rowa in 7.1+ */
value = MAX_ROW_SIZE;
}
else
{
/* Without the Toaster we're limited to the blocksize */
value = BLCKSZ;
}
break;
case SQL_MAX_ROW_SIZE_INCLUDES_LONG: /* ODBC 2.0 */
/*
* does the preceding value include LONGVARCHAR and
* LONGVARBINARY fields? Well, it does include longvarchar,
* but not longvarbinary.
*/
p = "Y";
break;
case SQL_MAX_STATEMENT_LEN: /* ODBC 2.0 */
/* maybe this should be 0? */
len = 4;
value = CC_get_max_query_len(conn);
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)
{
if (PG_VERSION_GE(conn, 7.3))
value = NAMEDATALEN_V73;
else
value = NAMEDATALEN_V72;
}
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;
if (PG_VERSION_GE(conn, 7.2))
value = SQL_NC_HIGH;
else
value = SQL_NC_END;
break;
case SQL_NUMERIC_FUNCTIONS: /* ODBC 1.0 */
len = 4;
value = 0;
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;
if (PG_VERSION_GE(conn, 7.1))
{
/* OJs in 7.1+ */
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);
}
else
/* OJs not in <7.1 */
value = 0;
break;
case SQL_ORDER_BY_COLUMNS_IN_SELECT: /* ODBC 2.0 */
p = (PG_VERSION_LE(conn, 6.3)) ? "Y" : "N";
break;
case SQL_OUTER_JOINS: /* ODBC 1.0 */
if (PG_VERSION_GE(conn, 7.1))
/* OJs in 7.1+ */
p = "Y";
else
/* OJs not in <7.1 */
p = "N";
break;
case SQL_OWNER_TERM: /* ODBC 1.0 */
if (conn->schema_support)
p = "schema";
else
p = "owner";
break;
case SQL_OWNER_USAGE: /* ODBC 2.0 */
len = 4;
value = 0;
if (conn->schema_support)
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 (ODBCVER >= 0x0300)
if (CurrCat(conn))
value = SQL_CU_DML_STATEMENTS;
else
#endif /* ODBCVER */
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 */
if (PG_VERSION_GE(conn, 6.5))
p = "\\";
else
p = NULL_STRING;
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_CONCAT |
SQL_FN_STR_LCASE |
SQL_FN_STR_LENGTH |
SQL_FN_STR_LOCATE |
SQL_FN_STR_LTRIM |
SQL_FN_STR_RTRIM |
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 = 0;
break;
case SQL_TABLE_TERM: /* ODBC 1.0 */
p = "table";
break;
case SQL_TIMEDATE_ADD_INTERVALS: /* ODBC 2.0 */
len = 4;
value = 0;
break;
case SQL_TIMEDATE_DIFF_INTERVALS: /* ODBC 2.0 */
len = 4;
value = 0;
break;
case SQL_TIMEDATE_FUNCTIONS: /* ODBC 1.0 */
len = 4;
value = (SQL_FN_TD_NOW);
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;
if (PG_VERSION_LT(conn, 6.5))
value = SQL_TXN_SERIALIZABLE;
else if (PG_VERSION_GE(conn, 7.1))
value = SQL_TXN_READ_COMMITTED | SQL_TXN_SERIALIZABLE;
else
value = SQL_TXN_READ_COMMITTED;
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;
default:
/* unrecognized key */
CC_set_error(conn, CONN_NOT_IMPLEMENTED_ERROR, "Unrecognized key passed to PGAPI_GetInfo.", NULL);
goto cleanup;
}
result = SQL_SUCCESS;
mylog("%s: p='%s', len=%d, value=%d, cbMax=%d\n", func, p ? p : "<NULL>", len, value, cbInfoValueMax);
/*
* NOTE, that if rgbInfoValue is NULL, then no warnings or errors
* should result and just pcbInfoValue is returned, which indicates
* what length would be required if a real buffer had been passed in.
*/
if (p)
{
/* char/binary data */
len = strlen(p);
if (rgbInfoValue)
{
#ifdef UNICODE_SUPPORT
if (CC_is_in_unicode_driver(conn))
{
len = utf8_to_ucs2(p, len, (SQLWCHAR *) rgbInfoValue, cbInfoValueMax / WCLEN);
len *= WCLEN;
}
else
#endif /* UNICODE_SUPPORT */
strncpy_null((char *) rgbInfoValue, p, (size_t) cbInfoValueMax);
if (len >= cbInfoValueMax)
{
result = SQL_SUCCESS_WITH_INFO;
CC_set_error(conn, CONN_TRUNCATED, "The buffer was too small for the InfoValue.", func);
}
}
#ifdef UNICODE_SUPPORT
else if (CC_is_in_unicode_driver(conn))
len *= WCLEN;
#endif /* UNICODE_SUPPORT */
}
else
{
/* numeric data */
if (rgbInfoValue)
{
if (len == sizeof(SQLSMALLINT))
*((SQLUSMALLINT *) rgbInfoValue) = (SQLUSMALLINT) value;
else if (len == sizeof(SQLINTEGER))
*((SQLUINTEGER *) rgbInfoValue) = (SQLUINTEGER) value;
}
}
if (pcbInfoValue)
*pcbInfoValue = (SQLSMALLINT) len;
cleanup:
return result;
}
RETCODE SQL_API
PGAPI_GetTypeInfo(
HSTMT hstmt,
SQLSMALLINT fSqlType)
{
CSTR func = "PGAPI_GetTypeInfo";
StatementClass *stmt = (StatementClass *) hstmt;
ConnectionClass *conn;
QResultClass *res = NULL;
TupleField *tuple;
int i, result_cols;
/* Int4 type; */
Int4 pgType;
Int2 sqlType;
RETCODE result = SQL_SUCCESS;
mylog("%s: entering...fSqlType = %d\n", func, fSqlType);
if (result = SC_initialize_and_recycle(stmt), SQL_SUCCESS != result)
return result;
conn = SC_get_conn(stmt);
if (res = QR_Constructor(), !res)
{
SC_set_error(stmt, STMT_INTERNAL_ERROR, "Error creating result.", func);
return SQL_ERROR;
}
SC_set_Result(stmt, res);
#define return DONT_CALL_RETURN_FROM_HERE???
#if (ODBCVER >= 0x0300)
result_cols = 19;
#else
result_cols = 15;
#endif /* ODBCVER */
extend_column_bindings(SC_get_ARDF(stmt), result_cols);
stmt->catalog_result = TRUE;
QR_set_num_fields(res, result_cols);
QR_set_field_info_v(res, 0, "TYPE_NAME", PG_TYPE_VARCHAR, MAX_INFO_STRING);
QR_set_field_info_v(res, 1, "DATA_TYPE", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 2, "PRECISION", PG_TYPE_INT4, 4);
QR_set_field_info_v(res, 3, "LITERAL_PREFIX", PG_TYPE_VARCHAR, MAX_INFO_STRING);
QR_set_field_info_v(res, 4, "LITERAL_SUFFIX", PG_TYPE_VARCHAR, MAX_INFO_STRING);
QR_set_field_info_v(res, 5, "CREATE_PARAMS", PG_TYPE_VARCHAR, MAX_INFO_STRING);
QR_set_field_info_v(res, 6, "NULLABLE", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 7, "CASE_SENSITIVE", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 8, "SEARCHABLE", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 9, "UNSIGNED_ATTRIBUTE", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 10, "MONEY", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 11, "AUTO_INCREMENT", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 12, "LOCAL_TYPE_NAME", PG_TYPE_VARCHAR, MAX_INFO_STRING);
QR_set_field_info_v(res, 13, "MINIMUM_SCALE", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 14, "MAXIMUM_SCALE", PG_TYPE_INT2, 2);
#if (ODBCVER >=0x0300)
QR_set_field_info_v(res, 15, "SQL_DATA_TYPE", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 16, "SQL_DATETIME_SUB", PG_TYPE_INT2, 2);
QR_set_field_info_v(res, 17, "NUM_PREC_RADIX", PG_TYPE_INT4, 4);
QR_set_field_info_v(res, 18, "INTERVAL_PRECISION", PG_TYPE_INT2, 2);
#endif /* ODBCVER */
for (i = 0, sqlType = sqlTypes[0]; sqlType; sqlType = sqlTypes[++i])
{
pgType = sqltype_to_pgtype(conn, sqlType);
if (sqlType == SQL_LONGVARBINARY)
{
ConnInfo *ci = &(conn->connInfo);
inolog("%d sqltype=%d -> pgtype=%d\n", ci->bytea_as_longvarbinary, sqlType, pgType);
}
if (fSqlType == SQL_ALL_TYPES || fSqlType == sqlType)
{
int pgtcount = 1, aunq_match = -1, cnt;
/*if (SQL_INTEGER == sqlType || SQL_TINYINT == sqlType)*/
if (SQL_INTEGER == sqlType)
{
mylog("sqlType=%d ms_jet=%d\n", sqlType, conn->ms_jet);
if (conn->ms_jet && PG_VERSION_GE(conn, 6.4))
{
aunq_match = 1;
pgtcount = 2;
}
mylog("aunq_match=%d pgtcount=%d\n", aunq_match, pgtcount);
}
for (cnt = 0; cnt < pgtcount; cnt ++)
{
if (tuple = QR_AddNew(res), NULL == tuple)
{
result = SQL_ERROR;
SC_set_error(stmt, STMT_NO_MEMORY_ERROR, "Couldn't QR_AddNew.", func);
goto cleanup;
}
/* These values can't be NULL */
if (aunq_match == cnt)
{
set_tuplefield_string(&tuple[0], pgtype_to_name(stmt, pgType, PG_UNSPECIFIED, TRUE));
set_tuplefield_int2(&tuple[6], SQL_NO_NULLS);
inolog("serial in\n");
}
else
{
set_tuplefield_string(&tuple[0], pgtype_to_name(stmt, pgType, PG_UNSPECIFIED, FALSE));
set_tuplefield_int2(&tuple[6], pgtype_nullable(conn, pgType));
}
set_tuplefield_int2(&tuple[1], (Int2) sqlType);
set_tuplefield_int2(&tuple[7], pgtype_case_sensitive(conn, pgType));
set_tuplefield_int2(&tuple[8], pgtype_searchable(conn, pgType));
set_tuplefield_int2(&tuple[10], pgtype_money(conn, pgType));
/*
* Localized data-source dependent data type name (always
* NULL)
*/
set_tuplefield_null(&tuple[12]);
/* These values can be NULL */
set_nullfield_int4(&tuple[2], pgtype_column_size(stmt, pgType, PG_STATIC, UNKNOWNS_AS_DEFAULT));
set_nullfield_string(&tuple[3], pgtype_literal_prefix(conn, pgType));
set_nullfield_string(&tuple[4], pgtype_literal_suffix(conn, pgType));
set_nullfield_string(&tuple[5], pgtype_create_params(conn, pgType));
if (1 < pgtcount)
set_tuplefield_int2(&tuple[9], SQL_TRUE);
else
set_nullfield_int2(&tuple[9], pgtype_unsigned(conn, pgType));
if (aunq_match == cnt)
set_tuplefield_int2(&tuple[11], SQL_TRUE);
else
set_nullfield_int2(&tuple[11], pgtype_auto_increment(conn, pgType));
set_nullfield_int2(&tuple[13], pgtype_min_decimal_digits(conn, pgType));
set_nullfield_int2(&tuple[14], pgtype_max_decimal_digits(conn, pgType));
#if (ODBCVER >=0x0300)
set_nullfield_int2(&tuple[15], pgtype_to_sqldesctype(stmt, pgType, PG_STATIC));
set_nullfield_int2(&tuple[16], pgtype_to_datetime_sub(stmt, pgType, PG_UNSPECIFIED));
set_nullfield_int4(&tuple[17], pgtype_radix(conn, pgType));
set_nullfield_int4(&tuple[18], 0);
#endif /* ODBCVER */
}
}
}
cleanup:
#undef return
/*
* also, things need to think that this statement is finished so the
* results can be retrieved.
*/
stmt->status = STMT_FINISHED;
stmt->currTuple = -1;
if (SQL_SUCCEEDED(result))
SC_set_rowset_start(stmt, -1, FALSE);
else
SC_set_Result(stmt, NULL);
SC_set_current_col(stmt, -1);
if (stmt->internal)
result = DiscardStatementSvp(stmt, result, FALSE);
return result;
}
RETCODE SQL_API
PGAPI_GetFunctions(
HDBC hdbc,