rdelaage
/
postgresql
mirror of https://git.postgresql.org/git/postgresql.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
postgresql/src/interfaces/odbc/info.c

2787 lines
91 KiB
C
Raw Blame History

/* 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(NI), SQLProcedures(NI),
* SQLTablePrivileges(NI), SQLColumnPrivileges(NI)
*
* Comments: See "notice.txt" for copyright and license information.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <stdio.h>
#include "psqlodbc.h"
#ifndef WIN32
#include "iodbc.h"
#include "isql.h"
#include "isqlext.h"
#include <ctype.h> /* for tolower function */
#else
#include <windows.h>
#include <sql.h>
#include <sqlext.h>
#endif
#include "tuple.h"
#include "pgtypes.h"
#include "environ.h"
#include "connection.h"
#include "statement.h"
#include "qresult.h"
#include "bind.h"
#include "misc.h"
#include "pgtypes.h"
/* Trigger related stuff for SQLForeign Keys */
#define TRIGGER_SHIFT 3
#define TRIGGER_MASK 0x03
#define TRIGGER_DELETE 0x01
#define TRIGGER_UPDATE 0x02
extern GLOBAL_VALUES globals;
/* - - - - - - - - - */
RETCODE SQL_API SQLGetInfo(
HDBC hdbc,
UWORD fInfoType,
PTR rgbInfoValue,
SWORD cbInfoValueMax,
SWORD FAR *pcbInfoValue)
{
static char *func = "SQLGetInfo";
ConnectionClass *conn = (ConnectionClass *) hdbc;
ConnInfo *ci;
char *p = NULL;
int len = 0, value = 0;
RETCODE result;
mylog( "%s: entering...fInfoType=%d\n", func, fInfoType);
if ( ! conn) {
CC_log_error(func, "", 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 = "N";
break;
case SQL_ACTIVE_CONNECTIONS: /* ODBC 1.0 */
len = 2;
value = MAX_CONNECTIONS;
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;
break;
case SQL_BOOKMARK_PERSISTENCE: /* ODBC 2.0 */
/* very simple bookmark support */
len = 4;
value = globals.use_declarefetch ? 0 : (SQL_BP_SCROLL);
break;
case SQL_COLUMN_ALIAS: /* ODBC 2.0 */
p = "N";
break;
case SQL_CONCAT_NULL_BEHAVIOR: /* ODBC 1.0 */
len = 2;
value = SQL_CB_NON_NULL;
break;
case SQL_CONVERT_BIGINT:
case SQL_CONVERT_BINARY:
case SQL_CONVERT_BIT:
case SQL_CONVERT_CHAR:
case SQL_CONVERT_DATE:
case SQL_CONVERT_DECIMAL:
case SQL_CONVERT_DOUBLE:
case SQL_CONVERT_FLOAT:
case SQL_CONVERT_INTEGER:
case SQL_CONVERT_LONGVARBINARY:
case SQL_CONVERT_LONGVARCHAR:
case SQL_CONVERT_NUMERIC:
case SQL_CONVERT_REAL:
case SQL_CONVERT_SMALLINT:
case SQL_CONVERT_TIME:
case SQL_CONVERT_TIMESTAMP:
case SQL_CONVERT_TINYINT:
case SQL_CONVERT_VARBINARY:
case SQL_CONVERT_VARCHAR: /* ODBC 1.0 */
len = 4;
value = fInfoType;
break;
case SQL_CONVERT_FUNCTIONS: /* ODBC 1.0 */
len = 4;
value = 0;
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;
break;
case SQL_CURSOR_ROLLBACK_BEHAVIOR: /* ODBC 1.0 */
len = 2;
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 byronncrap3 crap3"
p = CC_get_database(conn);
*/
p = "";
break;
case SQL_DBMS_NAME: /* ODBC 1.0 */
p = DBMS_NAME;
break;
case SQL_DBMS_VER: /* ODBC 1.0 */
p = DBMS_VERSION;
break;
case SQL_DEFAULT_TXN_ISOLATION: /* ODBC 1.0 */
len = 4;
value = SQL_TXN_READ_COMMITTED; /*SQL_TXN_SERIALIZABLE; */
break;
case SQL_DRIVER_NAME: /* ODBC 1.0 */
p = DRIVER_FILE_NAME;
break;
case SQL_DRIVER_ODBC_VER:
p = DRIVER_ODBC_VER;
break;
case SQL_DRIVER_VER: /* ODBC 1.0 */
p = POSTGRESDRIVERVERSION;
break;
case SQL_EXPRESSIONS_IN_ORDERBY: /* ODBC 1.0 */
p = "N";
break;
case SQL_FETCH_DIRECTION: /* ODBC 1.0 */
len = 4;
value = globals.use_declarefetch ? (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 = PROTOCOL_62(ci) ? " " : "\"";
break;
case SQL_KEYWORDS: /* ODBC 2.0 */
p = "";
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 = globals.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 = MAX_COLUMN_LEN;
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;
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;
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 = MAX_QUERY_SIZE;
break;
case SQL_MAX_TABLE_NAME_LEN: /* ODBC 1.0 */
len = 2;
value = MAX_TABLE_LEN;
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 */
/* Dont 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_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_ORDER_BY_COLUMNS_IN_SELECT: /* ODBC 2.0 */
p = (PROTOCOL_62(ci) || PROTOCOL_63(ci)) ? "Y" : "N";
break;
case SQL_OUTER_JOINS: /* ODBC 1.0 */
p = "N";
break;
case SQL_OWNER_TERM: /* ODBC 1.0 */
p = "owner";
break;
case SQL_OWNER_USAGE: /* ODBC 2.0 */
len = 4;
value = 0;
break;
case SQL_POS_OPERATIONS: /* ODBC 2.0 */
len = 4;
value = globals.lie ? (SQL_POS_POSITION | SQL_POS_REFRESH | SQL_POS_UPDATE | SQL_POS_DELETE | SQL_POS_ADD) : (SQL_POS_POSITION | SQL_POS_REFRESH);
break;
case SQL_POSITIONED_STATEMENTS: /* ODBC 2.0 */
len = 4;
value = globals.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;
value = SQL_QL_START;
break;
case SQL_QUALIFIER_NAME_SEPARATOR: /* ODBC 1.0 */
p = "";
break;
case SQL_QUALIFIER_TERM: /* ODBC 1.0 */
p = "";
break;
case SQL_QUALIFIER_USAGE: /* ODBC 2.0 */
len = 4;
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 = globals.lie ? "Y" : "N";
break;
case SQL_SCROLL_CONCURRENCY: /* ODBC 1.0 */
len = 4;
value = globals.lie ? (SQL_SCCO_READ_ONLY |
SQL_SCCO_LOCK |
SQL_SCCO_OPT_ROWVER |
SQL_SCCO_OPT_VALUES) : (SQL_SCCO_READ_ONLY);
break;
case SQL_SCROLL_OPTIONS: /* ODBC 1.0 */
len = 4;
value = globals.lie ? (SQL_SO_FORWARD_ONLY |
SQL_SO_STATIC |
SQL_SO_KEYSET_DRIVEN |
SQL_SO_DYNAMIC |
SQL_SO_MIXED) : (globals.use_declarefetch ? SQL_SO_FORWARD_ONLY : (SQL_SO_FORWARD_ONLY | SQL_SO_STATIC));
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 = globals.lie ? (SQL_SS_ADDITIONS | SQL_SS_DELETIONS | SQL_SS_UPDATES) : 0;
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;
value = SQL_TXN_READ_COMMITTED; /* 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;
default:
/* unrecognized key */
conn->errormsg = "Unrecognized key passed to SQLGetInfo.";
conn->errornumber = CONN_NOT_IMPLEMENTED_ERROR;
CC_log_error(func, "", conn);
return SQL_ERROR;
}
result = SQL_SUCCESS;
mylog("SQLGetInfo: p='%s', len=%d, value=%d, cbMax=%d\n", 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) {
strncpy_null((char *)rgbInfoValue, p, (size_t)cbInfoValueMax);
if (len >= cbInfoValueMax) {
result = SQL_SUCCESS_WITH_INFO;
conn->errornumber = STMT_TRUNCATED;
conn->errormsg = "The buffer was too small for the result.";
}
}
}
else { /* numeric data */
if (rgbInfoValue) {
if (len == 2 )
*((WORD *)rgbInfoValue) = (WORD) value;
else if (len == 4)
*((DWORD *)rgbInfoValue) = (DWORD) value;
}
}
if (pcbInfoValue)
*pcbInfoValue = len;
return result;
}
/* - - - - - - - - - */
RETCODE SQL_API SQLGetTypeInfo(
HSTMT hstmt,
SWORD fSqlType)
{
static char *func = "SQLGetTypeInfo";
StatementClass *stmt = (StatementClass *) hstmt;
TupleNode *row;
int i;
/* Int4 type; */
Int4 pgType;
Int2 sqlType;
mylog("%s: entering...fSqlType = %d\n", func, fSqlType);
if( ! stmt) {
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
stmt->manual_result = TRUE;
stmt->result = QR_Constructor();
if( ! stmt->result) {
SC_log_error(func, "Error creating result.", stmt);
return SQL_ERROR;
}
extend_bindings(stmt, 15);
QR_set_num_fields(stmt->result, 15);
QR_set_field_info(stmt->result, 0, "TYPE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 1, "DATA_TYPE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 2, "PRECISION", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 3, "LITERAL_PREFIX", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 4, "LITERAL_SUFFIX", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 5, "CREATE_PARAMS", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 6, "NULLABLE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 7, "CASE_SENSITIVE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 8, "SEARCHABLE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 9, "UNSIGNED_ATTRIBUTE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 10, "MONEY", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 11, "AUTO_INCREMENT", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 12, "LOCAL_TYPE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 13, "MINIMUM_SCALE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 14, "MAXIMUM_SCALE", PG_TYPE_INT2, 2);
for(i=0, sqlType = sqlTypes[0]; sqlType; sqlType = sqlTypes[++i]) {
pgType = sqltype_to_pgtype(sqlType);
if (fSqlType == SQL_ALL_TYPES || fSqlType == sqlType) {
row = (TupleNode *)malloc(sizeof(TupleNode) + (15 - 1)*sizeof(TupleField));
/* These values can't be NULL */
set_tuplefield_string(&row->tuple[0], pgtype_to_name(stmt, pgType));
set_tuplefield_int2(&row->tuple[1], (Int2) sqlType);
set_tuplefield_int2(&row->tuple[6], pgtype_nullable(stmt, pgType));
set_tuplefield_int2(&row->tuple[7], pgtype_case_sensitive(stmt, pgType));
set_tuplefield_int2(&row->tuple[8], pgtype_searchable(stmt, pgType));
set_tuplefield_int2(&row->tuple[10], pgtype_money(stmt, pgType));
/* Localized data-source dependent data type name (always NULL) */
set_tuplefield_null(&row->tuple[12]);
/* These values can be NULL */
set_nullfield_int4(&row->tuple[2], pgtype_precision(stmt, pgType, PG_STATIC, PG_STATIC));
set_nullfield_string(&row->tuple[3], pgtype_literal_prefix(stmt, pgType));
set_nullfield_string(&row->tuple[4], pgtype_literal_suffix(stmt, pgType));
set_nullfield_string(&row->tuple[5], pgtype_create_params(stmt, pgType));
set_nullfield_int2(&row->tuple[9], pgtype_unsigned(stmt, pgType));
set_nullfield_int2(&row->tuple[11], pgtype_auto_increment(stmt, pgType));
set_nullfield_int2(&row->tuple[13], pgtype_scale(stmt, pgType, PG_STATIC));
set_nullfield_int2(&row->tuple[14], pgtype_scale(stmt, pgType, PG_STATIC));
QR_add_tuple(stmt->result, row);
}
}
stmt->status = STMT_FINISHED;
stmt->currTuple = -1;
stmt->rowset_start = -1;
stmt->current_col = -1;
return SQL_SUCCESS;
}
/* - - - - - - - - - */
RETCODE SQL_API SQLGetFunctions(
HDBC hdbc,
UWORD fFunction,
UWORD FAR *pfExists)
{
static char *func="SQLGetFunctions";
mylog( "%s: entering...\n", func);
if (fFunction == SQL_API_ALL_FUNCTIONS) {
if (globals.lie) {
int i;
memset(pfExists, 0, sizeof(UWORD)*100);
pfExists[SQL_API_SQLALLOCENV] = TRUE;
pfExists[SQL_API_SQLFREEENV] = TRUE;
for (i = SQL_API_SQLALLOCCONNECT; i <= SQL_NUM_FUNCTIONS; i++)
pfExists[i] = TRUE;
for (i = SQL_EXT_API_START; i <= SQL_EXT_API_LAST; i++)
pfExists[i] = TRUE;
}
else {
memset(pfExists, 0, sizeof(UWORD)*100);
/* ODBC core functions */
pfExists[SQL_API_SQLALLOCCONNECT] = TRUE;
pfExists[SQL_API_SQLALLOCENV] = TRUE;
pfExists[SQL_API_SQLALLOCSTMT] = TRUE;
pfExists[SQL_API_SQLBINDCOL] = TRUE;
pfExists[SQL_API_SQLCANCEL] = TRUE;
pfExists[SQL_API_SQLCOLATTRIBUTES] = TRUE;
pfExists[SQL_API_SQLCONNECT] = TRUE;
pfExists[SQL_API_SQLDESCRIBECOL] = TRUE; /* partial */
pfExists[SQL_API_SQLDISCONNECT] = TRUE;
pfExists[SQL_API_SQLERROR] = TRUE;
pfExists[SQL_API_SQLEXECDIRECT] = TRUE;
pfExists[SQL_API_SQLEXECUTE] = TRUE;
pfExists[SQL_API_SQLFETCH] = TRUE;
pfExists[SQL_API_SQLFREECONNECT] = TRUE;
pfExists[SQL_API_SQLFREEENV] = TRUE;
pfExists[SQL_API_SQLFREESTMT] = TRUE;
pfExists[SQL_API_SQLGETCURSORNAME] = TRUE;
pfExists[SQL_API_SQLNUMRESULTCOLS] = TRUE;
pfExists[SQL_API_SQLPREPARE] = TRUE; /* complete? */
pfExists[SQL_API_SQLROWCOUNT] = TRUE;
pfExists[SQL_API_SQLSETCURSORNAME] = TRUE;
pfExists[SQL_API_SQLSETPARAM] = FALSE; /* odbc 1.0 */
pfExists[SQL_API_SQLTRANSACT] = TRUE;
/* ODBC level 1 functions */
pfExists[SQL_API_SQLBINDPARAMETER] = TRUE;
pfExists[SQL_API_SQLCOLUMNS] = TRUE;
pfExists[SQL_API_SQLDRIVERCONNECT] = TRUE;
pfExists[SQL_API_SQLGETCONNECTOPTION] = TRUE; /* partial */
pfExists[SQL_API_SQLGETDATA] = TRUE;
pfExists[SQL_API_SQLGETFUNCTIONS] = TRUE;
pfExists[SQL_API_SQLGETINFO] = TRUE;
pfExists[SQL_API_SQLGETSTMTOPTION] = TRUE; /* partial */
pfExists[SQL_API_SQLGETTYPEINFO] = TRUE;
pfExists[SQL_API_SQLPARAMDATA] = TRUE;
pfExists[SQL_API_SQLPUTDATA] = TRUE;
pfExists[SQL_API_SQLSETCONNECTOPTION] = TRUE; /* partial */
pfExists[SQL_API_SQLSETSTMTOPTION] = TRUE;
pfExists[SQL_API_SQLSPECIALCOLUMNS] = TRUE;
pfExists[SQL_API_SQLSTATISTICS] = TRUE;
pfExists[SQL_API_SQLTABLES] = TRUE;
/* ODBC level 2 functions */
pfExists[SQL_API_SQLBROWSECONNECT] = FALSE;
pfExists[SQL_API_SQLCOLUMNPRIVILEGES] = FALSE;
pfExists[SQL_API_SQLDATASOURCES] = FALSE; /* only implemented by DM */
pfExists[SQL_API_SQLDESCRIBEPARAM] = FALSE; /* not properly implemented */
pfExists[SQL_API_SQLDRIVERS] = FALSE; /* only implemented by DM */
pfExists[SQL_API_SQLEXTENDEDFETCH] = TRUE;
pfExists[SQL_API_SQLFOREIGNKEYS] = TRUE;
pfExists[SQL_API_SQLMORERESULTS] = TRUE;
pfExists[SQL_API_SQLNATIVESQL] = TRUE;
pfExists[SQL_API_SQLNUMPARAMS] = TRUE;
pfExists[SQL_API_SQLPARAMOPTIONS] = FALSE;
pfExists[SQL_API_SQLPRIMARYKEYS] = TRUE;
pfExists[SQL_API_SQLPROCEDURECOLUMNS] = FALSE;
pfExists[SQL_API_SQLPROCEDURES] = FALSE;
pfExists[SQL_API_SQLSETPOS] = TRUE;
pfExists[SQL_API_SQLSETSCROLLOPTIONS] = TRUE; /* odbc 1.0 */
pfExists[SQL_API_SQLTABLEPRIVILEGES] = FALSE;
}
} else {
if (globals.lie)
*pfExists = TRUE;
else {
switch(fFunction) {
case SQL_API_SQLALLOCCONNECT: *pfExists = TRUE; break;
case SQL_API_SQLALLOCENV: *pfExists = TRUE; break;
case SQL_API_SQLALLOCSTMT: *pfExists = TRUE; break;
case SQL_API_SQLBINDCOL: *pfExists = TRUE; break;
case SQL_API_SQLCANCEL: *pfExists = TRUE; break;
case SQL_API_SQLCOLATTRIBUTES: *pfExists = TRUE; break;
case SQL_API_SQLCONNECT: *pfExists = TRUE; break;
case SQL_API_SQLDESCRIBECOL: *pfExists = TRUE; break; /* partial */
case SQL_API_SQLDISCONNECT: *pfExists = TRUE; break;
case SQL_API_SQLERROR: *pfExists = TRUE; break;
case SQL_API_SQLEXECDIRECT: *pfExists = TRUE; break;
case SQL_API_SQLEXECUTE: *pfExists = TRUE; break;
case SQL_API_SQLFETCH: *pfExists = TRUE; break;
case SQL_API_SQLFREECONNECT: *pfExists = TRUE; break;
case SQL_API_SQLFREEENV: *pfExists = TRUE; break;
case SQL_API_SQLFREESTMT: *pfExists = TRUE; break;
case SQL_API_SQLGETCURSORNAME: *pfExists = TRUE; break;
case SQL_API_SQLNUMRESULTCOLS: *pfExists = TRUE; break;
case SQL_API_SQLPREPARE: *pfExists = TRUE; break;
case SQL_API_SQLROWCOUNT: *pfExists = TRUE; break;
case SQL_API_SQLSETCURSORNAME: *pfExists = TRUE; break;
case SQL_API_SQLSETPARAM: *pfExists = FALSE; break; /* odbc 1.0 */
case SQL_API_SQLTRANSACT: *pfExists = TRUE; break;
/* ODBC level 1 functions */
case SQL_API_SQLBINDPARAMETER: *pfExists = TRUE; break;
case SQL_API_SQLCOLUMNS: *pfExists = TRUE; break;
case SQL_API_SQLDRIVERCONNECT: *pfExists = TRUE; break;
case SQL_API_SQLGETCONNECTOPTION: *pfExists = TRUE; break; /* partial */
case SQL_API_SQLGETDATA: *pfExists = TRUE; break;
case SQL_API_SQLGETFUNCTIONS: *pfExists = TRUE; break;
case SQL_API_SQLGETINFO: *pfExists = TRUE; break;
case SQL_API_SQLGETSTMTOPTION: *pfExists = TRUE; break; /* partial */
case SQL_API_SQLGETTYPEINFO: *pfExists = TRUE; break;
case SQL_API_SQLPARAMDATA: *pfExists = TRUE; break;
case SQL_API_SQLPUTDATA: *pfExists = TRUE; break;
case SQL_API_SQLSETCONNECTOPTION: *pfExists = TRUE; break; /* partial */
case SQL_API_SQLSETSTMTOPTION: *pfExists = TRUE; break;
case SQL_API_SQLSPECIALCOLUMNS: *pfExists = TRUE; break;
case SQL_API_SQLSTATISTICS: *pfExists = TRUE; break;
case SQL_API_SQLTABLES: *pfExists = TRUE; break;
/* ODBC level 2 functions */
case SQL_API_SQLBROWSECONNECT: *pfExists = FALSE; break;
case SQL_API_SQLCOLUMNPRIVILEGES: *pfExists = FALSE; break;
case SQL_API_SQLDATASOURCES: *pfExists = FALSE; break; /* only implemented by DM */
case SQL_API_SQLDESCRIBEPARAM: *pfExists = FALSE; break; /* not properly implemented */
case SQL_API_SQLDRIVERS: *pfExists = FALSE; break; /* only implemented by DM */
case SQL_API_SQLEXTENDEDFETCH: *pfExists = TRUE; break;
case SQL_API_SQLFOREIGNKEYS: *pfExists = TRUE; break;
case SQL_API_SQLMORERESULTS: *pfExists = TRUE; break;
case SQL_API_SQLNATIVESQL: *pfExists = TRUE; break;
case SQL_API_SQLNUMPARAMS: *pfExists = TRUE; break;
case SQL_API_SQLPARAMOPTIONS: *pfExists = FALSE; break;
case SQL_API_SQLPRIMARYKEYS: *pfExists = TRUE; break;
case SQL_API_SQLPROCEDURECOLUMNS: *pfExists = FALSE; break;
case SQL_API_SQLPROCEDURES: *pfExists = FALSE; break;
case SQL_API_SQLSETPOS: *pfExists = TRUE; break;
case SQL_API_SQLSETSCROLLOPTIONS: *pfExists = TRUE; break; /* odbc 1.0 */
case SQL_API_SQLTABLEPRIVILEGES: *pfExists = FALSE; break;
}
}
}
return SQL_SUCCESS;
}
RETCODE SQL_API SQLTables(
HSTMT hstmt,
UCHAR FAR * szTableQualifier,
SWORD cbTableQualifier,
UCHAR FAR * szTableOwner,
SWORD cbTableOwner,
UCHAR FAR * szTableName,
SWORD cbTableName,
UCHAR FAR * szTableType,
SWORD cbTableType)
{
static char *func = "SQLTables";
StatementClass *stmt = (StatementClass *) hstmt;
StatementClass *tbl_stmt;
TupleNode *row;
HSTMT htbl_stmt;
RETCODE result;
char *tableType;
char tables_query[MAX_STATEMENT_LEN];
char table_name[MAX_INFO_STRING], table_owner[MAX_INFO_STRING], relhasrules[MAX_INFO_STRING];
ConnInfo *ci;
char *prefix[32], prefixes[MEDIUM_REGISTRY_LEN];
char *table_type[32], table_types[MAX_INFO_STRING];
char show_system_tables, show_regular_tables, show_views;
char regular_table, view, systable;
int i;
mylog("%s: entering...stmt=%u\n", func, stmt);
if( ! stmt) {
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
stmt->manual_result = TRUE;
stmt->errormsg_created = TRUE;
ci = &stmt->hdbc->connInfo;
result = SQLAllocStmt( stmt->hdbc, &htbl_stmt);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't allocate statement for SQLTables result.";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
tbl_stmt = (StatementClass *) htbl_stmt;
/* ********************************************************************** */
/* Create the query to find out the tables */
/* ********************************************************************** */
strcpy(tables_query, "select relname, usename, relhasrules from pg_class, pg_user");
strcat(tables_query, " where relkind = 'r'");
my_strcat(tables_query, " and usename like '%.*s'", szTableOwner, cbTableOwner);
my_strcat(tables_query, " and relname like '%.*s'", szTableName, cbTableName);
/* Parse the extra systable prefix */
strcpy(prefixes, globals.extra_systable_prefixes);
i = 0;
prefix[i] = strtok(prefixes, ";");
while (prefix[i] && i<32) {
prefix[++i] = strtok(NULL, ";");
}
/* Parse the desired table types to return */
show_system_tables = FALSE;
show_regular_tables = FALSE;
show_views = FALSE;
/* make_string mallocs memory */
tableType = make_string(szTableType, cbTableType, NULL);
if (tableType) {
strcpy(table_types, tableType);
free(tableType);
i = 0;
table_type[i] = strtok(table_types, ",");
while (table_type[i] && i<32) {
table_type[++i] = strtok(NULL, ",");
}
/* Check for desired table types to return */
i = 0;
while (table_type[i]) {
if ( strstr(table_type[i], "SYSTEM TABLE"))
show_system_tables = TRUE;
else if ( strstr(table_type[i], "TABLE"))
show_regular_tables = TRUE;
else if ( strstr(table_type[i], "VIEW"))
show_views = TRUE;
i++;
}
}
else {
show_regular_tables = TRUE;
show_views = TRUE;
}
/* If not interested in SYSTEM TABLES then filter them out
to save some time on the query. If treating system tables
as regular tables, then dont filter either.
*/
if ( ! atoi(ci->show_system_tables) && ! show_system_tables) {
strcat(tables_query, " and relname !~ '^" POSTGRES_SYS_PREFIX);
/* Also filter out user-defined system table types */
i = 0;
while(prefix[i]) {
strcat(tables_query, "|^");
strcat(tables_query, prefix[i]);
i++;
}
strcat(tables_query, "'");
}
/* filter out large objects unconditionally (they are not system tables) and match users */
strcat(tables_query, " and relname !~ '^xinv[0-9]+'");
strcat(tables_query, " and usesysid = relowner");
strcat(tables_query, " order by relname");
/* ********************************************************************** */
result = SQLExecDirect(htbl_stmt, tables_query, strlen(tables_query));
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 1, SQL_C_CHAR,
table_name, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 2, SQL_C_CHAR,
table_owner, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 3, SQL_C_CHAR,
relhasrules, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
stmt->result = QR_Constructor();
if(!stmt->result) {
stmt->errormsg = "Couldn't allocate memory for SQLTables result.";
stmt->errornumber = STMT_NO_MEMORY_ERROR;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
/* the binding structure for a statement is not set up until */
/* a statement is actually executed, so we'll have to do this ourselves. */
extend_bindings(stmt, 5);
/* set the field names */
QR_set_num_fields(stmt->result, 5);
QR_set_field_info(stmt->result, 0, "TABLE_QUALIFIER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 1, "TABLE_OWNER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 2, "TABLE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 3, "TABLE_TYPE", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 4, "REMARKS", PG_TYPE_TEXT, 254);
/* add the tuples */
result = SQLFetch(htbl_stmt);
while((result == SQL_SUCCESS) || (result == SQL_SUCCESS_WITH_INFO)) {
/* Determine if this table name is a system table.
If treating system tables as regular tables, then
no need to do this test.
*/
systable = FALSE;
if( ! atoi(ci->show_system_tables)) {
if ( strncmp(table_name, POSTGRES_SYS_PREFIX, strlen(POSTGRES_SYS_PREFIX)) == 0)
systable = TRUE;
else { /* Check extra system table prefixes */
i = 0;
while (prefix[i]) {
mylog("table_name='%s', prefix[%d]='%s'\n", table_name, i, prefix[i]);
if (strncmp(table_name, prefix[i], strlen(prefix[i])) == 0) {
systable = TRUE;
break;
}
i++;
}
}
}
/* Determine if the table name is a view */
view = (relhasrules[0] == '1');
/* It must be a regular table */
regular_table = ( ! systable && ! view);
/* Include the row in the result set if meets all criteria */
/* NOTE: Unsupported table types (i.e., LOCAL TEMPORARY, ALIAS, etc)
will return nothing */
if ( (systable && show_system_tables) ||
(view && show_views) ||
(regular_table && show_regular_tables)) {
row = (TupleNode *)malloc(sizeof(TupleNode) + (5 - 1) * sizeof(TupleField));
set_tuplefield_string(&row->tuple[0], "");
/* I have to hide the table owner from Access, otherwise it */
/* insists on referring to the table as 'owner.table'. */
/* (this is valid according to the ODBC SQL grammar, but */
/* Postgres won't support it.) */
/* set_tuplefield_string(&row->tuple[1], table_owner); */
mylog("SQLTables: table_name = '%s'\n", table_name);
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], table_name);
set_tuplefield_string(&row->tuple[3], systable ? "SYSTEM TABLE" : (view ? "VIEW" : "TABLE"));
set_tuplefield_string(&row->tuple[4], "");
QR_add_tuple(stmt->result, row);
}
result = SQLFetch(htbl_stmt);
}
if(result != SQL_NO_DATA_FOUND) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
/* also, things need to think that this statement is finished so */
/* the results can be retrieved. */
stmt->status = STMT_FINISHED;
/* set up the current tuple pointer for SQLFetch */
stmt->currTuple = -1;
stmt->rowset_start = -1;
stmt->current_col = -1;
SQLFreeStmt(htbl_stmt, SQL_DROP);
mylog("SQLTables(): EXIT, stmt=%u\n", stmt);
return SQL_SUCCESS;
}
RETCODE SQL_API SQLColumns(
HSTMT hstmt,
UCHAR FAR * szTableQualifier,
SWORD cbTableQualifier,
UCHAR FAR * szTableOwner,
SWORD cbTableOwner,
UCHAR FAR * szTableName,
SWORD cbTableName,
UCHAR FAR * szColumnName,
SWORD cbColumnName)
{
static char *func = "SQLColumns";
StatementClass *stmt = (StatementClass *) hstmt;
TupleNode *row;
HSTMT hcol_stmt;
StatementClass *col_stmt;
char columns_query[MAX_STATEMENT_LEN];
RETCODE result;
char table_owner[MAX_INFO_STRING], table_name[MAX_INFO_STRING], field_name[MAX_INFO_STRING], field_type_name[MAX_INFO_STRING];
Int2 field_number, result_cols, scale;
Int4 field_type, the_type, field_length, mod_length, precision;
char useStaticPrecision;
char not_null[MAX_INFO_STRING], relhasrules[MAX_INFO_STRING];
ConnInfo *ci;
mylog("%s: entering...stmt=%u\n", func, stmt);
if( ! stmt) {
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
stmt->manual_result = TRUE;
stmt->errormsg_created = TRUE;
ci = &stmt->hdbc->connInfo;
/* ********************************************************************** */
/* Create the query to find out the columns (Note: pre 6.3 did not have the atttypmod field) */
/* ********************************************************************** */
sprintf(columns_query, "select u.usename, c.relname, a.attname, a.atttypid"
", t.typname, a.attnum, a.attlen, %s, a.attnotnull, c.relhasrules"
" from pg_user u, pg_class c, pg_attribute a, pg_type t"
" where u.usesysid = c.relowner"
" and c.oid= a.attrelid and a.atttypid = t.oid and (a.attnum > 0)",
PROTOCOL_62(ci) ? "a.attlen" : "a.atttypmod");
my_strcat(columns_query, " and c.relname like '%.*s'", szTableName, cbTableName);
my_strcat(columns_query, " and u.usename like '%.*s'", szTableOwner, cbTableOwner);
my_strcat(columns_query, " and a.attname like '%.*s'", szColumnName, cbColumnName);
/* give the output in the order the columns were defined */
/* when the table was created */
strcat(columns_query, " order by attnum");
/* ********************************************************************** */
result = SQLAllocStmt( stmt->hdbc, &hcol_stmt);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't allocate statement for SQLColumns result.";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
col_stmt = (StatementClass *) hcol_stmt;
mylog("SQLColumns: hcol_stmt = %u, col_stmt = %u\n", hcol_stmt, col_stmt);
result = SQLExecDirect(hcol_stmt, columns_query,
strlen(columns_query));
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = SC_create_errormsg(hcol_stmt);
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 1, SQL_C_CHAR,
table_owner, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 2, SQL_C_CHAR,
table_name, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 3, SQL_C_CHAR,
field_name, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 4, SQL_C_LONG,
&field_type, 4, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 5, SQL_C_CHAR,
field_type_name, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 6, SQL_C_SHORT,
&field_number, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 7, SQL_C_LONG,
&field_length, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 8, SQL_C_LONG,
&mod_length, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 9, SQL_C_CHAR,
not_null, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 10, SQL_C_CHAR,
relhasrules, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
stmt->result = QR_Constructor();
if(!stmt->result) {
stmt->errormsg = "Couldn't allocate memory for SQLColumns result.";
stmt->errornumber = STMT_NO_MEMORY_ERROR;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
/* the binding structure for a statement is not set up until */
/* a statement is actually executed, so we'll have to do this ourselves. */
result_cols = 14;
extend_bindings(stmt, result_cols);
/* set the field names */
QR_set_num_fields(stmt->result, result_cols);
QR_set_field_info(stmt->result, 0, "TABLE_QUALIFIER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 1, "TABLE_OWNER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 2, "TABLE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 3, "COLUMN_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 4, "DATA_TYPE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 5, "TYPE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 6, "PRECISION", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 7, "LENGTH", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 8, "SCALE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 9, "RADIX", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 10, "NULLABLE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 11, "REMARKS", PG_TYPE_TEXT, 254);
/* User defined fields */
QR_set_field_info(stmt->result, 12, "DISPLAY_SIZE", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 13, "FIELD_TYPE", PG_TYPE_INT4, 4);
result = SQLFetch(hcol_stmt);
/* Only show oid if option AND there are other columns AND
it's not being called by SQLStatistics .
Always show OID if it's a system table
*/
if (result != SQL_ERROR && ! stmt->internal) {
if (relhasrules[0] != '1' &&
(atoi(ci->show_oid_column) ||
strncmp(table_name, POSTGRES_SYS_PREFIX, strlen(POSTGRES_SYS_PREFIX)) == 0)) {
/* For OID fields */
the_type = PG_TYPE_OID;
row = (TupleNode *)malloc(sizeof(TupleNode) +
(result_cols - 1) * sizeof(TupleField));
set_tuplefield_string(&row->tuple[0], "");
/* see note in SQLTables() */
/* set_tuplefield_string(&row->tuple[1], table_owner); */
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], table_name);
set_tuplefield_string(&row->tuple[3], "oid");
set_tuplefield_int2(&row->tuple[4], pgtype_to_sqltype(stmt, the_type));
set_tuplefield_string(&row->tuple[5], "OID");
set_tuplefield_int4(&row->tuple[7], pgtype_length(stmt, the_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[6], pgtype_precision(stmt, the_type, PG_STATIC, PG_STATIC));
set_nullfield_int2(&row->tuple[8], pgtype_scale(stmt, the_type, PG_STATIC));
set_nullfield_int2(&row->tuple[9], pgtype_radix(stmt, the_type));
set_tuplefield_int2(&row->tuple[10], SQL_NO_NULLS);
set_tuplefield_string(&row->tuple[11], "");
set_tuplefield_int4(&row->tuple[12], pgtype_display_size(stmt, the_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[13], the_type);
QR_add_tuple(stmt->result, row);
}
}
while((result == SQL_SUCCESS) || (result == SQL_SUCCESS_WITH_INFO)) {
row = (TupleNode *)malloc(sizeof(TupleNode) +
(result_cols - 1) * sizeof(TupleField));
set_tuplefield_string(&row->tuple[0], "");
/* see note in SQLTables() */
/* set_tuplefield_string(&row->tuple[1], table_owner); */
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], table_name);
set_tuplefield_string(&row->tuple[3], field_name);
set_tuplefield_int2(&row->tuple[4], pgtype_to_sqltype(stmt, field_type));
set_tuplefield_string(&row->tuple[5], field_type_name);
/* Some Notes about Postgres Data Types:
VARCHAR - the length is stored in the pg_attribute.atttypmod field
BPCHAR - the length is also stored as varchar is
NUMERIC - the scale is stored in atttypmod as follows:
precision = ((atttypmod - VARHDRSZ) >> 16) & 0xffff
scale = (atttypmod - VARHDRSZ) & 0xffff
*/
qlog("SQLColumns: table='%s',field_name='%s',type=%d,sqltype=%d,name='%s'\n",
table_name,field_name,field_type,pgtype_to_sqltype,field_type_name);
useStaticPrecision = TRUE;
if (field_type == PG_TYPE_NUMERIC) {
if (mod_length >= 4)
mod_length -= 4; /* the length is in atttypmod - 4 */
if (mod_length >= 0) {
useStaticPrecision = FALSE;
precision = (mod_length >> 16) & 0xffff;
scale = mod_length & 0xffff;
mylog("SQLColumns: field type is NUMERIC: field_type = %d, mod_length=%d, precision=%d, scale=%d\n", field_type, mod_length, precision, scale );
set_tuplefield_int4(&row->tuple[7], precision + 2); /* sign+dec.point */
set_tuplefield_int4(&row->tuple[6], precision);
set_tuplefield_int4(&row->tuple[12], precision + 2); /* sign+dec.point */
set_nullfield_int2(&row->tuple[8], scale);
}
}
if((field_type == PG_TYPE_VARCHAR) ||
(field_type == PG_TYPE_BPCHAR)) {
useStaticPrecision = FALSE;
if (mod_length >= 4)
mod_length -= 4; /* the length is in atttypmod - 4 */
if (mod_length > globals.max_varchar_size || mod_length <= 0)
mod_length = globals.max_varchar_size;
mylog("SQLColumns: field type is VARCHAR,BPCHAR: field_type = %d, mod_length = %d\n", field_type, mod_length);
set_tuplefield_int4(&row->tuple[7], mod_length);
set_tuplefield_int4(&row->tuple[6], mod_length);
set_tuplefield_int4(&row->tuple[12], mod_length);
set_nullfield_int2(&row->tuple[8], pgtype_scale(stmt, field_type, PG_STATIC));
}
if (useStaticPrecision) {
mylog("SQLColumns: field type is OTHER: field_type = %d, pgtype_length = %d\n", field_type, pgtype_length(stmt, field_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[7], pgtype_length(stmt, field_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[6], pgtype_precision(stmt, field_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[12], pgtype_display_size(stmt, field_type, PG_STATIC, PG_STATIC));
set_nullfield_int2(&row->tuple[8], pgtype_scale(stmt, field_type, PG_STATIC));
}
set_nullfield_int2(&row->tuple[9], pgtype_radix(stmt, field_type));
set_tuplefield_int2(&row->tuple[10], (Int2) (not_null[0] == '1' ? SQL_NO_NULLS : pgtype_nullable(stmt, field_type)));
set_tuplefield_string(&row->tuple[11], "");
set_tuplefield_int4(&row->tuple[13], field_type);
QR_add_tuple(stmt->result, row);
result = SQLFetch(hcol_stmt);
}
if(result != SQL_NO_DATA_FOUND) {
stmt->errormsg = SC_create_errormsg(hcol_stmt);
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
/* Put the row version column at the end so it might not be */
/* mistaken for a key field. */
if ( relhasrules[0] != '1' && ! stmt->internal && atoi(ci->row_versioning)) {
/* For Row Versioning fields */
the_type = PG_TYPE_INT4;
row = (TupleNode *)malloc(sizeof(TupleNode) +
(result_cols - 1) * sizeof(TupleField));
set_tuplefield_string(&row->tuple[0], "");
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], table_name);
set_tuplefield_string(&row->tuple[3], "xmin");
set_tuplefield_int2(&row->tuple[4], pgtype_to_sqltype(stmt, the_type));
set_tuplefield_string(&row->tuple[5], pgtype_to_name(stmt, the_type));
set_tuplefield_int4(&row->tuple[6], pgtype_precision(stmt, the_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[7], pgtype_length(stmt, the_type, PG_STATIC, PG_STATIC));
set_nullfield_int2(&row->tuple[8], pgtype_scale(stmt, the_type, PG_STATIC));
set_nullfield_int2(&row->tuple[9], pgtype_radix(stmt, the_type));
set_tuplefield_int2(&row->tuple[10], SQL_NO_NULLS);
set_tuplefield_string(&row->tuple[11], "");
set_tuplefield_int4(&row->tuple[12], pgtype_display_size(stmt, the_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[13], the_type);
QR_add_tuple(stmt->result, row);
}
/* also, things need to think that this statement is finished so */
/* the results can be retrieved. */
stmt->status = STMT_FINISHED;
/* set up the current tuple pointer for SQLFetch */
stmt->currTuple = -1;
stmt->rowset_start = -1;
stmt->current_col = -1;
SQLFreeStmt(hcol_stmt, SQL_DROP);
mylog("SQLColumns(): EXIT, stmt=%u\n", stmt);
return SQL_SUCCESS;
}
RETCODE SQL_API SQLSpecialColumns(
HSTMT hstmt,
UWORD fColType,
UCHAR FAR * szTableQualifier,
SWORD cbTableQualifier,
UCHAR FAR * szTableOwner,
SWORD cbTableOwner,
UCHAR FAR * szTableName,
SWORD cbTableName,
UWORD fScope,
UWORD fNullable)
{
static char *func = "SQLSpecialColumns";
TupleNode *row;
StatementClass *stmt = (StatementClass *) hstmt;
ConnInfo *ci;
HSTMT hcol_stmt;
StatementClass *col_stmt;
char columns_query[MAX_STATEMENT_LEN];
RETCODE result;
char relhasrules[MAX_INFO_STRING];
mylog("%s: entering...stmt=%u\n", func, stmt);
if( ! stmt) {
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
ci = &stmt->hdbc->connInfo;
stmt->manual_result = TRUE;
/* ********************************************************************** */
/* Create the query to find out if this is a view or not... */
/* ********************************************************************** */
sprintf(columns_query, "select c.relhasrules "
"from pg_user u, pg_class c where "
"u.usesysid = c.relowner");
my_strcat(columns_query, " and c.relname like '%.*s'", szTableName, cbTableName);
my_strcat(columns_query, " and u.usename like '%.*s'", szTableOwner, cbTableOwner);
result = SQLAllocStmt( stmt->hdbc, &hcol_stmt);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't allocate statement for SQLSpecialColumns result.";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
col_stmt = (StatementClass *) hcol_stmt;
mylog("SQLSpecialColumns: hcol_stmt = %u, col_stmt = %u\n", hcol_stmt, col_stmt);
result = SQLExecDirect(hcol_stmt, columns_query,
strlen(columns_query));
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = SC_create_errormsg(hcol_stmt);
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(hcol_stmt, 1, SQL_C_CHAR,
relhasrules, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLFetch(hcol_stmt);
SQLFreeStmt(hcol_stmt, SQL_DROP);
stmt->result = QR_Constructor();
extend_bindings(stmt, 8);
QR_set_num_fields(stmt->result, 8);
QR_set_field_info(stmt->result, 0, "SCOPE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 1, "COLUMN_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 2, "DATA_TYPE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 3, "TYPE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 4, "PRECISION", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 5, "LENGTH", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 6, "SCALE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 7, "PSEUDO_COLUMN", PG_TYPE_INT2, 2);
if ( relhasrules[0] != '1' ) {
/* use the oid value for the rowid */
if(fColType == SQL_BEST_ROWID) {
row = (TupleNode *)malloc(sizeof(TupleNode) + (8 - 1) * sizeof(TupleField));
set_tuplefield_int2(&row->tuple[0], SQL_SCOPE_SESSION);
set_tuplefield_string(&row->tuple[1], "oid");
set_tuplefield_int2(&row->tuple[2], pgtype_to_sqltype(stmt, PG_TYPE_OID));
set_tuplefield_string(&row->tuple[3], "OID");
set_tuplefield_int4(&row->tuple[4], pgtype_precision(stmt, PG_TYPE_OID, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[5], pgtype_length(stmt, PG_TYPE_OID, PG_STATIC, PG_STATIC));
set_tuplefield_int2(&row->tuple[6], pgtype_scale(stmt, PG_TYPE_OID, PG_STATIC));
set_tuplefield_int2(&row->tuple[7], SQL_PC_PSEUDO);
QR_add_tuple(stmt->result, row);
} else if(fColType == SQL_ROWVER) {
Int2 the_type = PG_TYPE_INT4;
if (atoi(ci->row_versioning)) {
row = (TupleNode *)malloc(sizeof(TupleNode) + (8 - 1) * sizeof(TupleField));
set_tuplefield_null(&row->tuple[0]);
set_tuplefield_string(&row->tuple[1], "xmin");
set_tuplefield_int2(&row->tuple[2], pgtype_to_sqltype(stmt, the_type));
set_tuplefield_string(&row->tuple[3], pgtype_to_name(stmt, the_type));
set_tuplefield_int4(&row->tuple[4], pgtype_precision(stmt, the_type, PG_STATIC, PG_STATIC));
set_tuplefield_int4(&row->tuple[5], pgtype_length(stmt, the_type, PG_STATIC, PG_STATIC));
set_tuplefield_int2(&row->tuple[6], pgtype_scale(stmt, the_type, PG_STATIC));
set_tuplefield_int2(&row->tuple[7], SQL_PC_PSEUDO);
QR_add_tuple(stmt->result, row);
}
}
}
stmt->status = STMT_FINISHED;
stmt->currTuple = -1;
stmt->rowset_start = -1;
stmt->current_col = -1;
mylog("SQLSpecialColumns(): EXIT, stmt=%u\n", stmt);
return SQL_SUCCESS;
}
RETCODE SQL_API SQLStatistics(
HSTMT hstmt,
UCHAR FAR * szTableQualifier,
SWORD cbTableQualifier,
UCHAR FAR * szTableOwner,
SWORD cbTableOwner,
UCHAR FAR * szTableName,
SWORD cbTableName,
UWORD fUnique,
UWORD fAccuracy)
{
static char *func="SQLStatistics";
StatementClass *stmt = (StatementClass *) hstmt;
char index_query[MAX_STATEMENT_LEN];
HSTMT hindx_stmt;
RETCODE result;
char *table_name;
char index_name[MAX_INFO_STRING];
short fields_vector[8];
char isunique[10], isclustered[10];
SDWORD index_name_len, fields_vector_len;
TupleNode *row;
int i;
HSTMT hcol_stmt;
StatementClass *col_stmt, *indx_stmt;
char column_name[MAX_INFO_STRING], relhasrules[MAX_INFO_STRING];
char **column_names = 0;
Int4 column_name_len;
int total_columns = 0;
char error = TRUE;
ConnInfo *ci;
char buf[256];
mylog("%s: entering...stmt=%u\n", func, stmt);
if( ! stmt) {
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
stmt->manual_result = TRUE;
stmt->errormsg_created = TRUE;
ci = &stmt->hdbc->connInfo;
stmt->result = QR_Constructor();
if(!stmt->result) {
stmt->errormsg = "Couldn't allocate memory for SQLStatistics result.";
stmt->errornumber = STMT_NO_MEMORY_ERROR;
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
/* the binding structure for a statement is not set up until */
/* a statement is actually executed, so we'll have to do this ourselves. */
extend_bindings(stmt, 13);
/* set the field names */
QR_set_num_fields(stmt->result, 13);
QR_set_field_info(stmt->result, 0, "TABLE_QUALIFIER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 1, "TABLE_OWNER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 2, "TABLE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 3, "NON_UNIQUE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 4, "INDEX_QUALIFIER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 5, "INDEX_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 6, "TYPE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 7, "SEQ_IN_INDEX", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 8, "COLUMN_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 9, "COLLATION", PG_TYPE_CHAR, 1);
QR_set_field_info(stmt->result, 10, "CARDINALITY", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 11, "PAGES", PG_TYPE_INT4, 4);
QR_set_field_info(stmt->result, 12, "FILTER_CONDITION", PG_TYPE_TEXT, MAX_INFO_STRING);
/* only use the table name... the owner should be redundant, and */
/* we never use qualifiers. */
table_name = make_string(szTableName, cbTableName, NULL);
if ( ! table_name) {
stmt->errormsg = "No table name passed to SQLStatistics.";
stmt->errornumber = STMT_INTERNAL_ERROR;
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
/* we need to get a list of the field names first, */
/* so we can return them later. */
result = SQLAllocStmt( stmt->hdbc, &hcol_stmt);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = "SQLAllocStmt failed in SQLStatistics for columns.";
stmt->errornumber = STMT_NO_MEMORY_ERROR;
goto SEEYA;
}
col_stmt = (StatementClass *) hcol_stmt;
/* "internal" prevents SQLColumns from returning the oid if it is being shown.
This would throw everything off.
*/
col_stmt->internal = TRUE;
result = SQLColumns(hcol_stmt, "", 0, "", 0,
table_name, (SWORD) strlen(table_name), "", 0);
col_stmt->internal = FALSE;
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg; /* "SQLColumns failed in SQLStatistics."; */
stmt->errornumber = col_stmt->errornumber; /* STMT_EXEC_ERROR; */
SQLFreeStmt(hcol_stmt, SQL_DROP);
goto SEEYA;
}
result = SQLBindCol(hcol_stmt, 4, SQL_C_CHAR,
column_name, MAX_INFO_STRING, &column_name_len);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = col_stmt->errormsg;
stmt->errornumber = col_stmt->errornumber;
SQLFreeStmt(hcol_stmt, SQL_DROP);
goto SEEYA;
}
result = SQLFetch(hcol_stmt);
while((result == SQL_SUCCESS) || (result == SQL_SUCCESS_WITH_INFO)) {
total_columns++;
column_names =
(char **)realloc(column_names,
total_columns * sizeof(char *));
column_names[total_columns-1] =
(char *)malloc(strlen(column_name)+1);
strcpy(column_names[total_columns-1], column_name);
mylog("SQLStatistics: column_name = '%s'\n", column_name);
result = SQLFetch(hcol_stmt);
}
if(result != SQL_NO_DATA_FOUND || total_columns == 0) {
stmt->errormsg = SC_create_errormsg(hcol_stmt); /* "Couldn't get column names in SQLStatistics."; */
stmt->errornumber = col_stmt->errornumber;
SQLFreeStmt(hcol_stmt, SQL_DROP);
goto SEEYA;
}
SQLFreeStmt(hcol_stmt, SQL_DROP);
/* get a list of indexes on this table */
result = SQLAllocStmt( stmt->hdbc, &hindx_stmt);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = "SQLAllocStmt failed in SQLStatistics for indices.";
stmt->errornumber = STMT_NO_MEMORY_ERROR;
goto SEEYA;
}
indx_stmt = (StatementClass *) hindx_stmt;
sprintf(index_query, "select c.relname, i.indkey, i.indisunique"
", i.indisclustered, c.relhasrules"
" from pg_index i, pg_class c, pg_class d"
" where c.oid = i.indexrelid and d.relname = '%s'"
" and d.oid = i.indrelid", table_name);
result = SQLExecDirect(hindx_stmt, index_query, strlen(index_query));
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = SC_create_errormsg(hindx_stmt); /* "Couldn't execute index query (w/SQLExecDirect) in SQLStatistics."; */
stmt->errornumber = indx_stmt->errornumber;
SQLFreeStmt(hindx_stmt, SQL_DROP);
goto SEEYA;
}
/* bind the index name column */
result = SQLBindCol(hindx_stmt, 1, SQL_C_CHAR,
index_name, MAX_INFO_STRING, &index_name_len);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = indx_stmt->errormsg; /* "Couldn't bind column in SQLStatistics."; */
stmt->errornumber = indx_stmt->errornumber;
SQLFreeStmt(hindx_stmt, SQL_DROP);
goto SEEYA;
}
/* bind the vector column */
result = SQLBindCol(hindx_stmt, 2, SQL_C_DEFAULT,
fields_vector, 16, &fields_vector_len);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = indx_stmt->errormsg; /* "Couldn't bind column in SQLStatistics."; */
stmt->errornumber = indx_stmt->errornumber;
SQLFreeStmt(hindx_stmt, SQL_DROP);
goto SEEYA;
}
/* bind the "is unique" column */
result = SQLBindCol(hindx_stmt, 3, SQL_C_CHAR,
isunique, sizeof(isunique), NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = indx_stmt->errormsg; /* "Couldn't bind column in SQLStatistics."; */
stmt->errornumber = indx_stmt->errornumber;
SQLFreeStmt(hindx_stmt, SQL_DROP);
goto SEEYA;
}
/* bind the "is clustered" column */
result = SQLBindCol(hindx_stmt, 4, SQL_C_CHAR,
isclustered, sizeof(isclustered), NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = indx_stmt->errormsg; /* "Couldn't bind column in SQLStatistics."; */
stmt->errornumber = indx_stmt->errornumber;
SQLFreeStmt(hindx_stmt, SQL_DROP);
goto SEEYA;
}
result = SQLBindCol(hindx_stmt, 5, SQL_C_CHAR,
relhasrules, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = indx_stmt->errormsg;
stmt->errornumber = indx_stmt->errornumber;
SQLFreeStmt(hindx_stmt, SQL_DROP);
goto SEEYA;
}
/* fake index of OID */
if ( relhasrules[0] != '1' && atoi(ci->show_oid_column) && atoi(ci->fake_oid_index)) {
row = (TupleNode *)malloc(sizeof(TupleNode) +
(13 - 1) * sizeof(TupleField));
/* no table qualifier */
set_tuplefield_string(&row->tuple[0], "");
/* don't set the table owner, else Access tries to use it */
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], table_name);
/* non-unique index? */
set_tuplefield_int2(&row->tuple[3], (Int2) (globals.unique_index ? FALSE : TRUE));
/* no index qualifier */
set_tuplefield_string(&row->tuple[4], "");
sprintf(buf, "%s_idx_fake_oid", table_name);
set_tuplefield_string(&row->tuple[5], buf);
/* Clustered index? I think non-clustered should be type OTHER not HASHED */
set_tuplefield_int2(&row->tuple[6], (Int2) SQL_INDEX_OTHER);
set_tuplefield_int2(&row->tuple[7], (Int2) 1);
set_tuplefield_string(&row->tuple[8], "oid");
set_tuplefield_string(&row->tuple[9], "A");
set_tuplefield_null(&row->tuple[10]);
set_tuplefield_null(&row->tuple[11]);
set_tuplefield_null(&row->tuple[12]);
QR_add_tuple(stmt->result, row);
}
result = SQLFetch(hindx_stmt);
while((result == SQL_SUCCESS) || (result == SQL_SUCCESS_WITH_INFO)) {
/* If only requesting unique indexs, then just return those. */
if (fUnique == SQL_INDEX_ALL ||
(fUnique == SQL_INDEX_UNIQUE && atoi(isunique))) {
i = 0;
/* add a row in this table for each field in the index */
while(i < 8 && fields_vector[i] != 0) {
row = (TupleNode *)malloc(sizeof(TupleNode) +
(13 - 1) * sizeof(TupleField));
/* no table qualifier */
set_tuplefield_string(&row->tuple[0], "");
/* don't set the table owner, else Access tries to use it */
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], table_name);
/* non-unique index? */
if (globals.unique_index)
set_tuplefield_int2(&row->tuple[3], (Int2) (atoi(isunique) ? FALSE : TRUE));
else
set_tuplefield_int2(&row->tuple[3], TRUE);
/* no index qualifier */
set_tuplefield_string(&row->tuple[4], "");
set_tuplefield_string(&row->tuple[5], index_name);
/* Clustered index? I think non-clustered should be type OTHER not HASHED */
set_tuplefield_int2(&row->tuple[6], (Int2) (atoi(isclustered) ? SQL_INDEX_CLUSTERED : SQL_INDEX_OTHER));
set_tuplefield_int2(&row->tuple[7], (Int2) (i+1));
if(fields_vector[i] == OID_ATTNUM) {
set_tuplefield_string(&row->tuple[8], "oid");
mylog("SQLStatistics: column name = oid\n");
}
else if(fields_vector[i] < 0 || fields_vector[i] > total_columns) {
set_tuplefield_string(&row->tuple[8], "UNKNOWN");
mylog("SQLStatistics: column name = UNKNOWN\n");
}
else {
set_tuplefield_string(&row->tuple[8], column_names[fields_vector[i]-1]);
mylog("SQLStatistics: column name = '%s'\n", column_names[fields_vector[i]-1]);
}
set_tuplefield_string(&row->tuple[9], "A");
set_tuplefield_null(&row->tuple[10]);
set_tuplefield_null(&row->tuple[11]);
set_tuplefield_null(&row->tuple[12]);
QR_add_tuple(stmt->result, row);
i++;
}
}
result = SQLFetch(hindx_stmt);
}
if(result != SQL_NO_DATA_FOUND) {
stmt->errormsg = SC_create_errormsg(hindx_stmt); /* "SQLFetch failed in SQLStatistics."; */
stmt->errornumber = indx_stmt->errornumber;
SQLFreeStmt(hindx_stmt, SQL_DROP);
goto SEEYA;
}
SQLFreeStmt(hindx_stmt, SQL_DROP);
/* also, things need to think that this statement is finished so */
/* the results can be retrieved. */
stmt->status = STMT_FINISHED;
/* set up the current tuple pointer for SQLFetch */
stmt->currTuple = -1;
stmt->rowset_start = -1;
stmt->current_col = -1;
error = FALSE;
SEEYA:
/* These things should be freed on any error ALSO! */
free(table_name);
for(i = 0; i < total_columns; i++) {
free(column_names[i]);
}
free(column_names);
mylog("SQLStatistics(): EXIT, %s, stmt=%u\n", error ? "error" : "success", stmt);
if (error) {
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
else
return SQL_SUCCESS;
}
RETCODE SQL_API SQLColumnPrivileges(
HSTMT hstmt,
UCHAR FAR * szTableQualifier,
SWORD cbTableQualifier,
UCHAR FAR * szTableOwner,
SWORD cbTableOwner,
UCHAR FAR * szTableName,
SWORD cbTableName,
UCHAR FAR * szColumnName,
SWORD cbColumnName)
{
static char *func="SQLColumnPrivileges";
mylog("%s: entering...\n", func);
/* Neither Access or Borland care about this. */
SC_log_error(func, "Function not implemented", (StatementClass *) hstmt);
return SQL_ERROR;
}
/* SQLPrimaryKeys()
* Retrieve the primary key columns for the specified table.
*/
RETCODE SQL_API SQLPrimaryKeys(
HSTMT hstmt,
UCHAR FAR * szTableQualifier,
SWORD cbTableQualifier,
UCHAR FAR * szTableOwner,
SWORD cbTableOwner,
UCHAR FAR * szTableName,
SWORD cbTableName)
{
static char *func = "SQLPrimaryKeys";
StatementClass *stmt = (StatementClass *) hstmt;
TupleNode *row;
RETCODE result;
int seq = 0;
HSTMT htbl_stmt;
StatementClass *tbl_stmt;
char tables_query[MAX_STATEMENT_LEN];
char attname[MAX_INFO_STRING];
SDWORD attname_len;
char pktab[MAX_TABLE_LEN + 1];
Int2 result_cols;
mylog("%s: entering...stmt=%u\n", func, stmt);
if( ! stmt) {
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
stmt->manual_result = TRUE;
stmt->errormsg_created = TRUE;
stmt->result = QR_Constructor();
if(!stmt->result) {
stmt->errormsg = "Couldn't allocate memory for SQLPrimaryKeys result.";
stmt->errornumber = STMT_NO_MEMORY_ERROR;
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
/* the binding structure for a statement is not set up until */
/* a statement is actually executed, so we'll have to do this ourselves. */
result_cols = 6;
extend_bindings(stmt, result_cols);
/* set the field names */
QR_set_num_fields(stmt->result, result_cols);
QR_set_field_info(stmt->result, 0, "TABLE_QUALIFIER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 1, "TABLE_OWNER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 2, "TABLE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 3, "COLUMN_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 4, "KEY_SEQ", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 5, "PK_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
result = SQLAllocStmt( stmt->hdbc, &htbl_stmt);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't allocate statement for Primary Key result.";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
tbl_stmt = (StatementClass *) htbl_stmt;
pktab[0] = '\0';
make_string(szTableName, cbTableName, pktab);
if ( pktab[0] == '\0') {
stmt->errormsg = "No Table specified to SQLPrimaryKeys.";
stmt->errornumber = STMT_INTERNAL_ERROR;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
#if 0
sprintf(tables_query, "select distinct on (attnum) a2.attname, a2.attnum from pg_attribute a1, pg_attribute a2, pg_class c, pg_index i where c.relname = '%s_pkey' AND c.oid = i.indexrelid AND a1.attrelid = c.oid AND a2.attrelid = c.oid AND (i.indkey[0] = a1.attnum OR i.indkey[1] = a1.attnum OR i.indkey[2] = a1.attnum OR i.indkey[3] = a1.attnum OR i.indkey[4] = a1.attnum OR i.indkey[5] = a1.attnum OR i.indkey[6] = a1.attnum OR i.indkey[7] = a1.attnum) order by a2.attnum", pktab);
#else
/* Simplified query to remove assumptions about
* number of possible index columns.
* Courtesy of Tom Lane - thomas 2000-03-21
*/
sprintf(tables_query, "select ta.attname, ia.attnum"
" from pg_attribute ta, pg_attribute ia, pg_class c, pg_index i"
" where c.relname = '%s_pkey'"
" AND c.oid = i.indexrelid"
" AND ia.attrelid = i.indexrelid"
" AND ta.attrelid = i.indrelid"
" AND ta.attnum = i.indkey[ia.attnum-1]"
" order by ia.attnum", pktab);
#endif
mylog("SQLPrimaryKeys: tables_query='%s'\n", tables_query);
result = SQLExecDirect(htbl_stmt, tables_query, strlen(tables_query));
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 1, SQL_C_CHAR,
attname, MAX_INFO_STRING, &attname_len);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLFetch(htbl_stmt);
while((result == SQL_SUCCESS) || (result == SQL_SUCCESS_WITH_INFO)) {
row = (TupleNode *)malloc(sizeof(TupleNode) + (result_cols - 1) * sizeof(TupleField));
set_tuplefield_null(&row->tuple[0]);
/* I have to hide the table owner from Access, otherwise it
* insists on referring to the table as 'owner.table'.
* (this is valid according to the ODBC SQL grammar, but
* Postgres won't support it.)
*/
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], pktab);
set_tuplefield_string(&row->tuple[3], attname);
set_tuplefield_int2(&row->tuple[4], (Int2) (++seq));
set_tuplefield_null(&row->tuple[5]);
QR_add_tuple(stmt->result, row);
mylog(">> primaryKeys: pktab = '%s', attname = '%s', seq = %d\n", pktab, attname, seq);
result = SQLFetch(htbl_stmt);
}
if(result != SQL_NO_DATA_FOUND) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
SQLFreeStmt(htbl_stmt, SQL_DROP);
/* also, things need to think that this statement is finished so */
/* the results can be retrieved. */
stmt->status = STMT_FINISHED;
/* set up the current tuple pointer for SQLFetch */
stmt->currTuple = -1;
stmt->rowset_start = -1;
stmt->current_col = -1;
mylog("SQLPrimaryKeys(): EXIT, stmt=%u\n", stmt);
return SQL_SUCCESS;
}
RETCODE SQL_API SQLForeignKeys(
HSTMT hstmt,
UCHAR FAR * szPkTableQualifier,
SWORD cbPkTableQualifier,
UCHAR FAR * szPkTableOwner,
SWORD cbPkTableOwner,
UCHAR FAR * szPkTableName,
SWORD cbPkTableName,
UCHAR FAR * szFkTableQualifier,
SWORD cbFkTableQualifier,
UCHAR FAR * szFkTableOwner,
SWORD cbFkTableOwner,
UCHAR FAR * szFkTableName,
SWORD cbFkTableName)
{
static char *func = "SQLForeignKeys";
StatementClass *stmt = (StatementClass *) hstmt;
TupleNode *row;
HSTMT htbl_stmt, hpkey_stmt;
StatementClass *tbl_stmt;
RETCODE result, keyresult;
char tables_query[MAX_STATEMENT_LEN];
char args[1024], tgname[MAX_INFO_STRING];
char pktab[MAX_TABLE_LEN + 1], fktab[MAX_TABLE_LEN + 1];
char *ptr, *pkey_ptr, *pkptr, *fkptr, *frel, *prel;
int i, k, pkeys, seq, ntabs;
SWORD nargs, rule_type, action;
char pkey[MAX_INFO_STRING];
Int2 result_cols;
mylog("%s: entering...stmt=%u\n", func, stmt);
if( ! stmt) {
SC_log_error(func, "", NULL);
return SQL_INVALID_HANDLE;
}
stmt->manual_result = TRUE;
stmt->errormsg_created = TRUE;
stmt->result = QR_Constructor();
if(!stmt->result) {
stmt->errormsg = "Couldn't allocate memory for SQLForeignKeys result.";
stmt->errornumber = STMT_NO_MEMORY_ERROR;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
/* the binding structure for a statement is not set up until */
/* a statement is actually executed, so we'll have to do this ourselves. */
result_cols = 14;
extend_bindings(stmt, result_cols);
/* set the field names */
QR_set_num_fields(stmt->result, result_cols);
QR_set_field_info(stmt->result, 0, "PKTABLE_QUALIFIER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 1, "PKTABLE_OWNER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 2, "PKTABLE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 3, "PKCOLUMN_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 4, "FKTABLE_QUALIFIER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 5, "FKTABLE_OWNER", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 6, "FKTABLE_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 7, "FKCOLUMN_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 8, "KEY_SEQ", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 9, "UPDATE_RULE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 10, "DELETE_RULE", PG_TYPE_INT2, 2);
QR_set_field_info(stmt->result, 11, "FK_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 12, "PK_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
QR_set_field_info(stmt->result, 13, "TRIGGER_NAME", PG_TYPE_TEXT, MAX_INFO_STRING);
/* also, things need to think that this statement is finished so */
/* the results can be retrieved. */
stmt->status = STMT_FINISHED;
/* set up the current tuple pointer for SQLFetch */
stmt->currTuple = -1;
stmt->rowset_start = -1;
stmt->current_col = -1;
result = SQLAllocStmt( stmt->hdbc, &htbl_stmt);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't allocate statement for SQLForeignKeys result.";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
tbl_stmt = (StatementClass *) htbl_stmt;
pktab[0] = '\0';
fktab[0] = '\0';
make_string(szPkTableName, cbPkTableName, pktab);
make_string(szFkTableName, cbFkTableName, fktab);
/* Case #2 -- Get the foreign keys in the specified table (fktab) that
refer to the primary keys of other table(s).
*/
if (fktab[0] != '\0') {
sprintf(tables_query, "select pg_trigger.tgargs, pg_trigger.tgnargs, pg_trigger.tgname"
" from pg_proc, pg_trigger, pg_class"
" where pg_proc.oid = pg_trigger.tgfoid and pg_trigger.tgrelid = pg_class.oid"
" AND pg_proc.proname = 'check_primary_key' AND pg_class.relname = '%s'",
fktab);
result = SQLExecDirect(htbl_stmt, tables_query, strlen(tables_query));
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 1, SQL_C_BINARY,
args, MAX_INFO_STRING, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 2, SQL_C_SHORT,
&nargs, 0, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 3, SQL_C_CHAR,
tgname, sizeof(tgname), NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLFetch(htbl_stmt);
if (result == SQL_NO_DATA_FOUND)
return SQL_SUCCESS;
if(result != SQL_SUCCESS) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
keyresult = SQLAllocStmt( stmt->hdbc, &hpkey_stmt);
if((keyresult != SQL_SUCCESS) && (keyresult != SQL_SUCCESS_WITH_INFO)) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't allocate statement for SQLForeignKeys (pkeys) result.";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
keyresult = SQLBindCol(hpkey_stmt, 4, SQL_C_CHAR,
pkey, sizeof(pkey), NULL);
if (keyresult != SQL_SUCCESS) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't bindcol for primary keys for SQLForeignKeys result.";
SC_log_error(func, "", stmt);
SQLFreeStmt(hpkey_stmt, SQL_DROP);
return SQL_ERROR;
}
while (result == SQL_SUCCESS) {
/* Compute the number of keyparts. */
pkeys = nargs / 2;
mylog("Foreign Key Case#2: nargs = %d, pkeys = %d\n", nargs, pkeys);
ptr = args;
/* Get to the PK Table Name */
for (k = 0; k < pkeys; k++)
ptr += strlen(ptr) + 1;
prel = ptr;
mylog("prel = '%s'\n", prel);
/* If there is a pk table specified, then check it. */
if (pktab[0] != '\0') {
/* If it doesn't match, then continue */
if ( strcmp(prel, pktab)) {
result = SQLFetch(htbl_stmt);
continue;
}
}
keyresult = SQLPrimaryKeys(hpkey_stmt, NULL, 0, NULL, 0, prel, SQL_NTS);
if (keyresult != SQL_SUCCESS) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't get primary keys for SQLForeignKeys result.";
SC_log_error(func, "", stmt);
SQLFreeStmt(hpkey_stmt, SQL_DROP);
return SQL_ERROR;
}
/* Check that the key listed is the primary key */
keyresult = SQLFetch(hpkey_stmt);
for (k = 0; k < pkeys; k++) {
ptr += strlen(ptr) + 1;
if ( keyresult != SQL_SUCCESS || strcmp(ptr, pkey)) {
pkeys = 0;
break;
}
keyresult = SQLFetch(hpkey_stmt);
}
ptr = prel;
/* Set to first fk column */
fkptr = args;
seq = 0;
for (k = 0; k < pkeys; k++) {
row = (TupleNode *)malloc(sizeof(TupleNode) + (result_cols - 1) * sizeof(TupleField));
set_tuplefield_null(&row->tuple[0]);
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], prel);
/* Get to the primary key */
ptr += strlen(ptr) + 1;
mylog("prel = '%s', ptr = '%s'\n", prel, ptr);
set_tuplefield_string(&row->tuple[3], ptr);
set_tuplefield_null(&row->tuple[4]);
set_tuplefield_string(&row->tuple[5], "");
set_tuplefield_string(&row->tuple[6], fktab);
set_tuplefield_string(&row->tuple[7], fkptr);
mylog("fktab = '%s', fkptr = '%s'\n", fktab, fkptr);
set_tuplefield_int2(&row->tuple[8], (Int2) (++seq));
set_tuplefield_null(&row->tuple[9]);
set_tuplefield_null(&row->tuple[10]);
set_tuplefield_null(&row->tuple[11]);
set_tuplefield_null(&row->tuple[12]);
set_tuplefield_string(&row->tuple[13], tgname);
QR_add_tuple(stmt->result, row);
/* next foreign key */
fkptr += strlen(fkptr) + 1;
}
result = SQLFetch(htbl_stmt);
}
}
/* Case #1 -- Get the foreign keys in other tables that refer to the primary key
in the specified table (pktab). i.e., Who points to me?
*/
else if (pktab[0] != '\0') {
sprintf(tables_query, "select pg_trigger.tgargs, pg_trigger.tgnargs"
", pg_trigger.tgtype, pg_trigger.tgname"
" from pg_proc, pg_trigger, pg_class"
" where pg_proc.oid = pg_trigger.tgfoid and pg_trigger.tgrelid = pg_class.oid"
" AND pg_proc.proname = 'check_foreign_key' AND pg_class.relname = '%s'",
pktab);
result = SQLExecDirect(htbl_stmt, tables_query, strlen(tables_query));
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 1, SQL_C_BINARY,
args, sizeof(args), NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 2, SQL_C_SHORT,
&nargs, 0, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 3, SQL_C_SHORT,
&rule_type, 0, NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLBindCol(htbl_stmt, 4, SQL_C_CHAR,
tgname, sizeof(tgname), NULL);
if((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
stmt->errormsg = tbl_stmt->errormsg;
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
result = SQLFetch(htbl_stmt);
if (result == SQL_NO_DATA_FOUND)
return SQL_SUCCESS;
if(result != SQL_SUCCESS) {
stmt->errormsg = SC_create_errormsg(htbl_stmt);
stmt->errornumber = tbl_stmt->errornumber;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
keyresult = SQLAllocStmt( stmt->hdbc, &hpkey_stmt);
if((keyresult != SQL_SUCCESS) && (keyresult != SQL_SUCCESS_WITH_INFO)) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't allocate statement for SQLForeignKeys (pkeys) result.";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
keyresult = SQLPrimaryKeys(hpkey_stmt, NULL, 0, NULL, 0, pktab, SQL_NTS);
if (keyresult != SQL_SUCCESS) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't get primary keys for SQLForeignKeys result.";
SC_log_error(func, "", stmt);
SQLFreeStmt(hpkey_stmt, SQL_DROP);
return SQL_ERROR;
}
keyresult = SQLBindCol(hpkey_stmt, 4, SQL_C_CHAR,
pkey, sizeof(pkey), NULL);
if (keyresult != SQL_SUCCESS) {
stmt->errornumber = STMT_NO_MEMORY_ERROR;
stmt->errormsg = "Couldn't bindcol for primary keys for SQLForeignKeys result.";
SC_log_error(func, "", stmt);
SQLFreeStmt(hpkey_stmt, SQL_DROP);
return SQL_ERROR;
}
while (result == SQL_SUCCESS) {
/* Get the number of tables */
ptr = args;
ntabs = atoi(args);
ptr += strlen(ptr) + 1;
/* Handle action (i.e., 'cascade', 'restrict', 'setnull') */
switch(tolower(ptr[0])) {
case 'c':
action = SQL_CASCADE;
break;
case 'r':
action = SQL_RESTRICT;
break;
case 's':
action = SQL_SET_NULL;
break;
default:
action = -1;
break;
}
rule_type >>= TRIGGER_SHIFT;
ptr += strlen(ptr) + 1;
/* Calculate the number of key parts */
pkeys = (nargs - ( 2 + ntabs)) / (ntabs + 1);
pkey_ptr = ptr;
keyresult = SQLExtendedFetch(hpkey_stmt, SQL_FETCH_FIRST, -1, NULL, NULL);
if ( keyresult != SQL_SUCCESS || strcmp(pkey, ptr)) {
ntabs = 0;
}
/* Get to the last primary keypart */
for (i = 1; i < pkeys; i++) {
/* If keypart doesnt match, skip this entry */
if ( keyresult != SQL_SUCCESS || strcmp(pkey, ptr)) {
ntabs = 0;
break;
}
ptr += strlen(ptr) + 1;
keyresult = SQLExtendedFetch(hpkey_stmt, SQL_FETCH_NEXT, -1, NULL, NULL);
}
mylog("Foreign Key Case#1: nargs = %d, ntabs = %d, pkeys = %d\n", nargs, ntabs, pkeys);
/* Get Foreign Key Tables */
for (i = 0; i < ntabs; i++) {
seq = 0;
pkptr = pkey_ptr;
ptr += strlen(ptr) + 1;
frel = ptr;
for (k = 0; k < pkeys; k++) {
row = (TupleNode *)malloc(sizeof(TupleNode) + (result_cols - 1) * sizeof(TupleField));
set_tuplefield_null(&row->tuple[0]);
set_tuplefield_string(&row->tuple[1], "");
set_tuplefield_string(&row->tuple[2], pktab);
set_tuplefield_string(&row->tuple[3], pkptr);
mylog("pktab = '%s', pkptr = '%s'\n", pktab, pkptr);
set_tuplefield_null(&row->tuple[4]);
set_tuplefield_string(&row->tuple[5], "");
set_tuplefield_string(&row->tuple[6], frel);
/* Get to the foreign key */
ptr += strlen(ptr) + 1;
set_tuplefield_string(&row->tuple[7], ptr);
mylog("frel = '%s', ptr = '%s'\n", frel, ptr);
mylog("rule_type = %d, action = %d\n", rule_type, action);
set_tuplefield_int2(&row->tuple[8], (Int2) (++seq));
set_nullfield_int2(&row->tuple[9], (Int2) ((rule_type & TRIGGER_UPDATE) ? action : -1));
set_nullfield_int2(&row->tuple[10], (Int2) ((rule_type & TRIGGER_DELETE) ? action : -1));
set_tuplefield_null(&row->tuple[11]);
set_tuplefield_null(&row->tuple[12]);
set_tuplefield_string(&row->tuple[13], tgname);
QR_add_tuple(stmt->result, row);
/* next primary key */
pkptr += strlen(pkptr) + 1;
}
}
result = SQLFetch(htbl_stmt);
}
}
else {
stmt->errormsg = "No tables specified to SQLForeignKeys.";
stmt->errornumber = STMT_INTERNAL_ERROR;
SC_log_error(func, "", stmt);
SQLFreeStmt(htbl_stmt, SQL_DROP);
return SQL_ERROR;
}
SQLFreeStmt(htbl_stmt, SQL_DROP);
SQLFreeStmt(hpkey_stmt, SQL_DROP);
mylog("SQLForeignKeys(): EXIT, stmt=%u\n", stmt);
return SQL_SUCCESS;
}
RETCODE SQL_API SQLProcedureColumns(
HSTMT hstmt,
UCHAR FAR * szProcQualifier,
SWORD cbProcQualifier,
UCHAR FAR * szProcOwner,
SWORD cbProcOwner,
UCHAR FAR * szProcName,
SWORD cbProcName,
UCHAR FAR * szColumnName,
SWORD cbColumnName)
{
static char *func="SQLProcedureColumns";
mylog("%s: entering...\n", func);
SC_log_error(func, "Function not implemented", (StatementClass *) hstmt);
return SQL_ERROR;
}
RETCODE SQL_API SQLProcedures(
HSTMT hstmt,
UCHAR FAR * szProcQualifier,
SWORD cbProcQualifier,
UCHAR FAR * szProcOwner,
SWORD cbProcOwner,
UCHAR FAR * szProcName,
SWORD cbProcName)
{
static char *func="SQLProcedures";
mylog("%s: entering...\n", func);
SC_log_error(func, "Function not implemented", (StatementClass *) hstmt);
return SQL_ERROR;
}
RETCODE SQL_API SQLTablePrivileges(
HSTMT hstmt,
UCHAR FAR * szTableQualifier,
SWORD cbTableQualifier,
UCHAR FAR * szTableOwner,
SWORD cbTableOwner,
UCHAR FAR * szTableName,
SWORD cbTableName)
{
static char *func="SQLTablePrivileges";
mylog("%s: entering...\n", func);
SC_log_error(func, "Function not implemented", (StatementClass *) hstmt);
return SQL_ERROR;
}
Reference in New Issue View Git Blame Copy Permalink