info.c
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:86k
- /* 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=%dn", 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_readonly(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 = "Y";
- 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=%dn", 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 = %dn", 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));
- set_nullfield_int2(&row->tuple[14], pgtype_scale(stmt, pgType));
- 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=%un", 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 int4out(usesysid) = int4out(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=%un", 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;
- Int4 field_type, the_type, field_length, mod_length;
- char not_null[MAX_INFO_STRING];
- ConnInfo *ci;
- mylog("%s: entering...stmt=%un", 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 from pg_user u, pg_class c, pg_attribute a, pg_type t where "
- "int4out(u.usesysid) = int4out(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 = %un", 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;
- }
- 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
- its not being called by SQLStatistics .
- Always show OID if its a system table
- */
- if (result != SQL_ERROR && ! stmt->internal) {
- if (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));
- 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
- */
- if((field_type == PG_TYPE_VARCHAR) ||
- (field_type == PG_TYPE_BPCHAR)) {
- 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 = %dn", 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);
- } else {
- mylog("SQLColumns: field type is OTHER: field_type = %d, pgtype_length = %dn", 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));
- 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 ( ! 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));
- 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=%un", 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;
- mylog("%s: entering...stmt=%un", func, stmt);
- if( ! stmt) {
- SC_log_error(func, "", NULL);
- return SQL_INVALID_HANDLE;
- }
- ci = &stmt->hdbc->connInfo;
- stmt->manual_result = TRUE;
- 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);
- /* 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));
- 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));
- 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=%un", 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];
- char **column_names = 0;
- Int4 column_name_len;
- int total_columns = 0;
- char error = TRUE;
- ConnInfo *ci;
- char buf[256];
- mylog("%s: entering...stmt=%un", 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 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;
- }
- /* fake index of OID */
- if (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 = oidn");
- }
- else if(fields_vector[i] < 0 || fields_vector[i] > total_columns) {
- set_tuplefield_string(&row->tuple[8], "UNKNOWN");
- mylog("SQLStatistics: column name = UNKNOWNn");
- }
- 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=%un", 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;
- }
- 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=%un", 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] = ' ';
- make_string(szTableName, cbTableName, pktab);
- if ( pktab[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;
- }
- 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);
- 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 = %dn", 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=%un", 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=%un", 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] = ' ';
- fktab[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] != ' ') {
- 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 = %dn", 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] != ' ') {
- /* 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] != ' ') {
- 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 = %dn", 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 = %dn", 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=%un", 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;
- }