diff options
author | Hiroshi Inoue <inoue@tpf.co.jp> | 2002-01-11 02:50:01 +0000 |
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committer | Hiroshi Inoue <inoue@tpf.co.jp> | 2002-01-11 02:50:01 +0000 |
commit | f43b5de649cdf8a36f7d90a96932800cb0e34162 (patch) | |
tree | 6fb1ec57cff266680ab2adaf8c0976a643627b7c /src/interfaces/odbc/windev/options.c | |
parent | 5370cd6b03610bdb6c6dee0fbf87ad9cdf524395 (diff) |
Add a directory to save the changes until 7.3-tree is branched.
Diffstat (limited to 'src/interfaces/odbc/windev/options.c')
-rw-r--r-- | src/interfaces/odbc/windev/options.c | 668 |
1 files changed, 668 insertions, 0 deletions
diff --git a/src/interfaces/odbc/windev/options.c b/src/interfaces/odbc/windev/options.c new file mode 100644 index 00000000000..bf2707f4dae --- /dev/null +++ b/src/interfaces/odbc/windev/options.c @@ -0,0 +1,668 @@ +/*-------- + * Module: options.c + * + * Description: This module contains routines for getting/setting + * connection and statement options. + * + * Classes: n/a + * + * API functions: SQLSetConnectOption, SQLSetStmtOption, SQLGetConnectOption, + * SQLGetStmtOption + * + * Comments: See "notice.txt" for copyright and license information. + *-------- + */ + +#include "psqlodbc.h" +#include <string.h> + +#include "environ.h" +#include "connection.h" +#include "statement.h" +#include "qresult.h" +#include "pgapifunc.h" + + + +RETCODE set_statement_option(ConnectionClass *conn, + StatementClass *stmt, + UWORD fOption, + UDWORD vParam); + + +RETCODE +set_statement_option(ConnectionClass *conn, + StatementClass *stmt, + UWORD fOption, + UDWORD vParam) +{ + static char *func = "set_statement_option"; + char changed = FALSE; + ConnInfo *ci = NULL; + + if (conn) + ci = &(conn->connInfo); + else if (stmt) + ci = &(SC_get_conn(stmt)->connInfo); + switch (fOption) + { + case SQL_ASYNC_ENABLE: /* ignored */ + break; + + case SQL_BIND_TYPE: + /* now support multi-column and multi-row binding */ + if (conn) + conn->stmtOptions.bind_size = vParam; + if (stmt) + stmt->options.bind_size = vParam; + break; + + case SQL_CONCURRENCY: + + /* + * positioned update isn't supported so cursor concurrency is + * read-only + */ + mylog("SetStmtOption(): SQL_CONCURRENCY = %d\n", vParam); + if (ci->drivers.lie || vParam == SQL_CONCUR_READ_ONLY || vParam == SQL_CONCUR_ROWVER) + { + if (conn) + conn->stmtOptions.scroll_concurrency = vParam; + if (stmt) + stmt->options.scroll_concurrency = vParam; + } + else + { + if (conn) + conn->stmtOptions.scroll_concurrency = SQL_CONCUR_ROWVER; + if (stmt) + stmt->options.scroll_concurrency = SQL_CONCUR_ROWVER; + changed = TRUE; + } + break; + + case SQL_CURSOR_TYPE: + + /* + * if declare/fetch, then type can only be forward. otherwise, + * it can only be forward or static. + */ + mylog("SetStmtOption(): SQL_CURSOR_TYPE = %d\n", vParam); + + if (ci->drivers.lie) + { + if (conn) + conn->stmtOptions.cursor_type = vParam; + if (stmt) + stmt->options.cursor_type = vParam; + } + else + { + if (ci->drivers.use_declarefetch) + { + if (conn) + conn->stmtOptions.cursor_type = SQL_CURSOR_FORWARD_ONLY; + if (stmt) + stmt->options.cursor_type = SQL_CURSOR_FORWARD_ONLY; + + if (vParam != SQL_CURSOR_FORWARD_ONLY) + changed = TRUE; + } + else + { + if (vParam == SQL_CURSOR_FORWARD_ONLY || vParam == SQL_CURSOR_STATIC) + { + if (conn) + conn->stmtOptions.cursor_type = vParam; /* valid type */ + if (stmt) + stmt->options.cursor_type = vParam; /* valid type */ + } + else + { + if (conn) + conn->stmtOptions.cursor_type = SQL_CURSOR_STATIC; + if (stmt) + stmt->options.cursor_type = SQL_CURSOR_STATIC; + + changed = TRUE; + } + } + } + break; + + case SQL_KEYSET_SIZE: /* ignored, but saved and returned */ + mylog("SetStmtOption(): SQL_KEYSET_SIZE, vParam = %d\n", vParam); + + if (conn) + conn->stmtOptions.keyset_size = vParam; + if (stmt) + stmt->options.keyset_size = vParam; + + break; + + /*------- + * if (ci->drivers.lie) + * stmt->keyset_size = vParam; + * else + * { + * stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR; + * stmt->errormsg = "Driver does not support keyset size option"; + * SC_log_error(func, "", stmt); + * return SQL_ERROR; + * } + *------- + */ + + case SQL_MAX_LENGTH: /* ignored, but saved */ + mylog("SetStmtOption(): SQL_MAX_LENGTH, vParam = %d\n", vParam); + if (conn) + conn->stmtOptions.maxLength = vParam; + if (stmt) + stmt->options.maxLength = vParam; + break; + + case SQL_MAX_ROWS: /* ignored, but saved */ + mylog("SetStmtOption(): SQL_MAX_ROWS, vParam = %d\n", vParam); + if (conn) + conn->stmtOptions.maxRows = vParam; + if (stmt) + stmt->options.maxRows = vParam; + break; + + case SQL_NOSCAN: /* ignored */ + mylog("SetStmtOption: SQL_NOSCAN, vParam = %d\n", vParam); + break; + + case SQL_QUERY_TIMEOUT: /* ignored */ + mylog("SetStmtOption: SQL_QUERY_TIMEOUT, vParam = %d\n", vParam); + /* "0" returned in SQLGetStmtOption */ + break; + + case SQL_RETRIEVE_DATA: + mylog("SetStmtOption(): SQL_RETRIEVE_DATA, vParam = %d\n", vParam); + if (conn) + conn->stmtOptions.retrieve_data = vParam; + if (stmt) + stmt->options.retrieve_data = vParam; + break; + + case SQL_ROWSET_SIZE: + mylog("SetStmtOption(): SQL_ROWSET_SIZE, vParam = %d\n", vParam); + + /* + * Save old rowset size for SQLExtendedFetch purposes If the + * rowset_size is being changed since the last call to fetch + * rows. + */ + + if (stmt && stmt->save_rowset_size <= 0 && stmt->last_fetch_count > 0) + stmt->save_rowset_size = stmt->options.rowset_size; + + if (vParam < 1) + { + vParam = 1; + changed = TRUE; + } + + if (conn) + conn->stmtOptions.rowset_size = vParam; + if (stmt) + stmt->options.rowset_size = vParam; + break; + + case SQL_SIMULATE_CURSOR: /* NOT SUPPORTED */ + if (stmt) + { + stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR; + stmt->errormsg = "Simulated positioned update/delete not supported. Use the cursor library."; + SC_log_error(func, "", stmt); + } + if (conn) + { + conn->errornumber = STMT_NOT_IMPLEMENTED_ERROR; + conn->errormsg = "Simulated positioned update/delete not supported. Use the cursor library."; + CC_log_error(func, "", conn); + } + return SQL_ERROR; + + case SQL_USE_BOOKMARKS: + if (stmt) + stmt->options.use_bookmarks = vParam; + if (conn) + conn->stmtOptions.use_bookmarks = vParam; + break; + + default: + { + char option[64]; + + if (stmt) + { + stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR; + stmt->errormsg = "Unknown statement option (Set)"; + sprintf(option, "fOption=%d, vParam=%ld", fOption, vParam); + SC_log_error(func, option, stmt); + } + if (conn) + { + conn->errornumber = STMT_NOT_IMPLEMENTED_ERROR; + conn->errormsg = "Unknown statement option (Set)"; + sprintf(option, "fOption=%d, vParam=%ld", fOption, vParam); + CC_log_error(func, option, conn); + } + + return SQL_ERROR; + } + } + + if (changed) + { + if (stmt) + { + stmt->errormsg = "Requested value changed."; + stmt->errornumber = STMT_OPTION_VALUE_CHANGED; + } + if (conn) + { + conn->errormsg = "Requested value changed."; + conn->errornumber = STMT_OPTION_VALUE_CHANGED; + } + return SQL_SUCCESS_WITH_INFO; + } + else + return SQL_SUCCESS; +} + + +/* Implements only SQL_AUTOCOMMIT */ +RETCODE SQL_API +PGAPI_SetConnectOption( + HDBC hdbc, + UWORD fOption, + UDWORD vParam) +{ + static char *func = "PGAPI_SetConnectOption"; + ConnectionClass *conn = (ConnectionClass *) hdbc; + char changed = FALSE; + RETCODE retval; + int i; + + mylog("%s: entering fOption = %d vParam = %d\n", func, fOption, vParam); + if (!conn) + { + CC_log_error(func, "", NULL); + return SQL_INVALID_HANDLE; + } + + switch (fOption) + { + /* + * Statement Options (apply to all stmts on the connection and + * become defaults for new stmts) + */ + case SQL_ASYNC_ENABLE: + case SQL_BIND_TYPE: + case SQL_CONCURRENCY: + case SQL_CURSOR_TYPE: + case SQL_KEYSET_SIZE: + case SQL_MAX_LENGTH: + case SQL_MAX_ROWS: + case SQL_NOSCAN: + case SQL_QUERY_TIMEOUT: + case SQL_RETRIEVE_DATA: + case SQL_ROWSET_SIZE: + case SQL_SIMULATE_CURSOR: + case SQL_USE_BOOKMARKS: + + /* Affect all current Statements */ + for (i = 0; i < conn->num_stmts; i++) + { + if (conn->stmts[i]) + set_statement_option(NULL, conn->stmts[i], fOption, vParam); + } + + /* + * Become the default for all future statements on this + * connection + */ + retval = set_statement_option(conn, NULL, fOption, vParam); + + if (retval == SQL_SUCCESS_WITH_INFO) + changed = TRUE; + else if (retval == SQL_ERROR) + return SQL_ERROR; + + break; + + /* + * Connection Options + */ + + case SQL_ACCESS_MODE: /* ignored */ + break; + + case SQL_AUTOCOMMIT: + if (CC_is_in_trans(conn)) + { + conn->errormsg = "Cannot switch commit mode while a transaction is in progress"; + conn->errornumber = CONN_TRANSACT_IN_PROGRES; + CC_log_error(func, "", conn); + return SQL_ERROR; + } + + mylog("PGAPI_SetConnectOption: AUTOCOMMIT: transact_status=%d, vparam=%d\n", conn->transact_status, vParam); + + switch (vParam) + { + case SQL_AUTOCOMMIT_OFF: + CC_set_autocommit_off(conn); + break; + + case SQL_AUTOCOMMIT_ON: + CC_set_autocommit_on(conn); + break; + + default: + conn->errormsg = "Illegal parameter value for SQL_AUTOCOMMIT"; + conn->errornumber = CONN_INVALID_ARGUMENT_NO; + CC_log_error(func, "", conn); + return SQL_ERROR; + } + break; + + case SQL_CURRENT_QUALIFIER: /* ignored */ + break; + + case SQL_LOGIN_TIMEOUT: /* ignored */ + break; + + case SQL_PACKET_SIZE: /* ignored */ + break; + + case SQL_QUIET_MODE: /* ignored */ + break; + + case SQL_TXN_ISOLATION: /* ignored */ + break; + + /* These options should be handled by driver manager */ + case SQL_ODBC_CURSORS: + case SQL_OPT_TRACE: + case SQL_OPT_TRACEFILE: + case SQL_TRANSLATE_DLL: + case SQL_TRANSLATE_OPTION: + CC_log_error(func, "This connect option (Set) is only used by the Driver Manager", conn); + break; + + default: + { + char option[64]; + + conn->errormsg = "Unknown connect option (Set)"; + conn->errornumber = CONN_UNSUPPORTED_OPTION; + sprintf(option, "fOption=%d, vParam=%ld", fOption, vParam); + if (fOption == 30002 && vParam) + { + if (strcmp((char *) vParam, "Microsoft Jet") == 0) + { + conn->errornumber = 0; + conn->ms_jet = 1; + return SQL_SUCCESS; + } + } + CC_log_error(func, option, conn); + return SQL_ERROR; + } + } + + if (changed) + { + conn->errornumber = CONN_OPTION_VALUE_CHANGED; + conn->errormsg = "Requested value changed."; + return SQL_SUCCESS_WITH_INFO; + } + else + return SQL_SUCCESS; +} + + +/* This function just can tell you whether you are in Autcommit mode or not */ +RETCODE SQL_API +PGAPI_GetConnectOption( + HDBC hdbc, + UWORD fOption, + PTR pvParam) +{ + static char *func = "PGAPI_GetConnectOption"; + ConnectionClass *conn = (ConnectionClass *) hdbc; + ConnInfo *ci = &(conn->connInfo); + + mylog("%s: entering...\n", func); + + if (!conn) + { + CC_log_error(func, "", NULL); + return SQL_INVALID_HANDLE; + } + + switch (fOption) + { + case SQL_ACCESS_MODE: /* NOT SUPPORTED */ + *((UDWORD *) pvParam) = SQL_MODE_READ_WRITE; + break; + + case SQL_AUTOCOMMIT: + *((UDWORD *) pvParam) = (UDWORD) (CC_is_in_autocommit(conn) ? + SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF); + break; + + case SQL_CURRENT_QUALIFIER: /* don't use qualifiers */ + if (pvParam) + strcpy(pvParam, ""); + + break; + + case SQL_LOGIN_TIMEOUT: /* NOT SUPPORTED */ + *((UDWORD *) pvParam) = 0; + break; + + case SQL_PACKET_SIZE: /* NOT SUPPORTED */ + *((UDWORD *) pvParam) = ci->drivers.socket_buffersize; + break; + + case SQL_QUIET_MODE: /* NOT SUPPORTED */ + *((UDWORD *) pvParam) = (UDWORD) NULL; + break; + + case SQL_TXN_ISOLATION: /* NOT SUPPORTED */ + *((UDWORD *) pvParam) = SQL_TXN_SERIALIZABLE; + break; + + /* These options should be handled by driver manager */ + case SQL_ODBC_CURSORS: + case SQL_OPT_TRACE: + case SQL_OPT_TRACEFILE: + case SQL_TRANSLATE_DLL: + case SQL_TRANSLATE_OPTION: + CC_log_error(func, "This connect option (Get) is only used by the Driver Manager", conn); + break; + + default: + { + char option[64]; + + conn->errormsg = "Unknown connect option (Get)"; + conn->errornumber = CONN_UNSUPPORTED_OPTION; + sprintf(option, "fOption=%d", fOption); + CC_log_error(func, option, conn); + return SQL_ERROR; + break; + } + } + + return SQL_SUCCESS; +} + + +RETCODE SQL_API +PGAPI_SetStmtOption( + HSTMT hstmt, + UWORD fOption, + UDWORD vParam) +{ + static char *func = "PGAPI_SetStmtOption"; + StatementClass *stmt = (StatementClass *) hstmt; + + mylog("%s: entering...\n", func); + + /* + * Though we could fake Access out by just returning SQL_SUCCESS all + * the time, but it tries to set a huge value for SQL_MAX_LENGTH and + * expects the driver to reduce it to the real value. + */ + if (!stmt) + { + SC_log_error(func, "", NULL); + return SQL_INVALID_HANDLE; + } + + return set_statement_option(NULL, stmt, fOption, vParam); +} + + +RETCODE SQL_API +PGAPI_GetStmtOption( + HSTMT hstmt, + UWORD fOption, + PTR pvParam) +{ + static char *func = "PGAPI_GetStmtOption"; + StatementClass *stmt = (StatementClass *) hstmt; + QResultClass *res; + ConnInfo *ci = &(SC_get_conn(stmt)->connInfo); + + mylog("%s: entering...\n", func); + + /* + * thought we could fake Access out by just returning SQL_SUCCESS all + * the time, but it tries to set a huge value for SQL_MAX_LENGTH and + * expects the driver to reduce it to the real value + */ + if (!stmt) + { + SC_log_error(func, "", NULL); + return SQL_INVALID_HANDLE; + } + + switch (fOption) + { + case SQL_GET_BOOKMARK: + case SQL_ROW_NUMBER: + + res = stmt->result; + + if (stmt->manual_result || !ci->drivers.use_declarefetch) + { + /* make sure we're positioned on a valid row */ + if ((stmt->currTuple < 0) || + (stmt->currTuple >= QR_get_num_tuples(res))) + { + stmt->errormsg = "Not positioned on a valid row."; + stmt->errornumber = STMT_INVALID_CURSOR_STATE_ERROR; + SC_log_error(func, "", stmt); + return SQL_ERROR; + } + } + else + { + if (stmt->currTuple == -1 || !res || !res->tupleField) + { + stmt->errormsg = "Not positioned on a valid row."; + stmt->errornumber = STMT_INVALID_CURSOR_STATE_ERROR; + SC_log_error(func, "", stmt); + return SQL_ERROR; + } + } + + if (fOption == SQL_GET_BOOKMARK && stmt->options.use_bookmarks == SQL_UB_OFF) + { + stmt->errormsg = "Operation invalid because use bookmarks not enabled."; + stmt->errornumber = STMT_OPERATION_INVALID; + SC_log_error(func, "", stmt); + return SQL_ERROR; + } + + *((UDWORD *) pvParam) = SC_get_bookmark(stmt); + + break; + + case SQL_ASYNC_ENABLE: /* NOT SUPPORTED */ + *((SDWORD *) pvParam) = SQL_ASYNC_ENABLE_OFF; + break; + + case SQL_BIND_TYPE: + *((SDWORD *) pvParam) = stmt->options.bind_size; + break; + + case SQL_CONCURRENCY: /* NOT REALLY SUPPORTED */ + mylog("GetStmtOption(): SQL_CONCURRENCY\n"); + *((SDWORD *) pvParam) = stmt->options.scroll_concurrency; + break; + + case SQL_CURSOR_TYPE: /* PARTIAL SUPPORT */ + mylog("GetStmtOption(): SQL_CURSOR_TYPE\n"); + *((SDWORD *) pvParam) = stmt->options.cursor_type; + break; + + case SQL_KEYSET_SIZE: /* NOT SUPPORTED, but saved */ + mylog("GetStmtOption(): SQL_KEYSET_SIZE\n"); + *((SDWORD *) pvParam) = stmt->options.keyset_size; + break; + + case SQL_MAX_LENGTH: /* NOT SUPPORTED, but saved */ + *((SDWORD *) pvParam) = stmt->options.maxLength; + break; + + case SQL_MAX_ROWS: /* NOT SUPPORTED, but saved */ + *((SDWORD *) pvParam) = stmt->options.maxRows; + mylog("GetSmtOption: MAX_ROWS, returning %d\n", stmt->options.maxRows); + break; + + case SQL_NOSCAN: /* NOT SUPPORTED */ + *((SDWORD *) pvParam) = SQL_NOSCAN_ON; + break; + + case SQL_QUERY_TIMEOUT: /* NOT SUPPORTED */ + *((SDWORD *) pvParam) = 0; + break; + + case SQL_RETRIEVE_DATA: + *((SDWORD *) pvParam) = stmt->options.retrieve_data; + break; + + case SQL_ROWSET_SIZE: + *((SDWORD *) pvParam) = stmt->options.rowset_size; + break; + + case SQL_SIMULATE_CURSOR: /* NOT SUPPORTED */ + *((SDWORD *) pvParam) = SQL_SC_NON_UNIQUE; + break; + + case SQL_USE_BOOKMARKS: + *((SDWORD *) pvParam) = stmt->options.use_bookmarks; + break; + + default: + { + char option[64]; + + stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR; + stmt->errormsg = "Unknown statement option (Get)"; + sprintf(option, "fOption=%d", fOption); + SC_log_error(func, option, stmt); + return SQL_ERROR; + } + } + + return SQL_SUCCESS; +} |