Re: SQLBulkOperations - Mailing list pgsql-odbc
From | John C. Frickson |
---|---|
Subject | Re: SQLBulkOperations |
Date | |
Msg-id | 1402071245.8234.39.camel@server.frickson.pvt Whole thread Raw |
In response to | Re: SQLBulkOperations ("John C. Frickson" <john@frickson.us>) |
Responses |
Re: SQLBulkOperations
|
List | pgsql-odbc |
Ok, I boiled my code down to the following sample. The comments show the errors that get printed. ----------8<----------8<----------8<----------8<----------8<----------8<---------- #include <stdio.h> #include <string.h> #include <sql.h> #include <sqlext.h> void printerr(int); SQLHANDLE henv, hdbc, hstmt; int main() { SQLLEN length_or_ind[3]; char connOut[2048], colVal[3][32]; const char *query = "SELECT * FROM pvsystem.loginfails WHERE userid='foo'"; const char *cstr = "DRIVER={PSQL};SERVER=server.frickson.pvt;UID=pvwebuser;" "PWD=Zjgg2WuNwO52XGVT;UseServerSidePrepare=1;DATABASE=PortVantage;"; int i, rc; colVal[0][0] = colVal[1][0] = colVal[2][0] = 0; rc = SQLSetEnvAttr(NULL, SQL_ATTR_CONNECTION_POOLING, (SQLPOINTER)SQL_CP_ONE_PER_HENV, 0); if (rc) printerr(rc); rc = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv); if (rc) printerr(rc); rc = SQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, 0); if (rc) printerr(rc); rc = SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc); rc = SQLSetConnectAttr(hdbc, SQL_ATTR_ODBC_CURSORS, (SQLPOINTER)SQL_CUR_USE_ODBC, 0); if (rc) printerr(rc); rc = SQLDriverConnect(hdbc, NULL, (SQLCHAR*)cstr, strlen(cstr), (SQLCHAR*)connOut, 2048, NULL, SQL_DRIVER_NOPROMPT); if (rc) printerr(rc); rc = SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt); if (rc) printerr(rc); rc = SQLSetStmtAttr(hstmt, SQL_ATTR_ROW_ARRAY_SIZE, (SQLPOINTER)1, SQL_IS_INTEGER); if (rc) printerr(rc); rc = SQLSetStmtAttr(hstmt, SQL_ATTR_CURSOR_TYPE, (SQLPOINTER)SQL_CURSOR_KEYSET_DRIVEN, 0); // rc=1 State=01S02 Native=0 Message=[unixODBC][Driver Manager]Option value changed if (rc) printerr(rc); rc = SQLSetStmtAttr(hstmt, SQL_ATTR_MAX_ROWS, 0, SQL_IS_INTEGER); if (rc) printerr(rc); rc = SQLSetStmtAttr(hstmt, SQL_ATTR_CONCURRENCY, (SQLPOINTER)SQL_CONCUR_ROWVER, 0); // rc=1 State=01S02 Native=0 Message=[unixODBC][Driver Manager]Option value changed if (rc) printerr(rc); rc = SQLPrepare(hstmt, (UCHAR*)query, strlen(query)); if (rc) printerr(rc); rc = SQLExecute(hstmt); if (rc) printerr(rc); for (i = 0; i < 3; ++i) { length_or_ind[i] = SQL_NTS; rc = SQLBindCol(hstmt, (SQLUSMALLINT)i+1, SQL_C_CHAR, colVal[i], 32, &length_or_ind[i]); if (rc) printerr(rc); } rc = SQLFetchScroll(hstmt, SQL_FETCH_NEXT, 0); // rc=100 - Record Not Found if (rc) printerr(rc); strcpy(colVal[0], "foo"); length_or_ind[0] = 3; strcpy(colVal[1], "1"); length_or_ind[1] = 1; strcpy(colVal[2], "2014-06-06 10:15:00"); length_or_ind[2] = 19; rc = SQLBulkOperations(hstmt, SQL_ADD); // rc=-1 State=IM001 Native=0 Message=[unixODBC][Driver Manager]Driver does not support this function if (rc) printerr(rc); rc = 0; } void printerr(int rc) { SQLINTEGER native; SQLSMALLINT rec = 1, sz; char state[16], msg[1024]; if (rc == 100) puts("rc=100 - Record Not Found"); while (true) { if (SQLGetDiagRec(SQL_HANDLE_STMT, hstmt, rec++, (SQLCHAR*)state, &native, (SQLCHAR*)msg, sizeof msg, &sz)) { break; } printf("rc=%d State=%s Native=%d Message=%s\n", rc, state, native, msg); } sz = 0; } ----------8<----------8<----------8<----------8<----------8<----------8<---------- On Fri, 2014-06-06 at 07:55 -0500, John C. Frickson wrote: > /etc/unixODBC/odbcinst.ini: > [PSQL] > Description = PostgreSQL > Driver64 = /usr/lib64/psqlodbcw.so > UsageCount = 1 > > I set attributes like this: > > SQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, 0); > SQLSetConnectAttr(hdbc,SQL_ATTR_ODBC_CURSORS,(SQLPOINTER)SQL_CUR_USE_ODBC,0); > SQLSetStmtAttr(hstmt,SQL_ATTR_CONCURRENCY, SQL_CONCUR_ROWVER, 0); > SQLSetStmtAttr(hstmt,SQL_ATTR_CURSOR_TYPE,SQL_CURSOR_KEYSET_DRIVEN,0); > > Connection is DSN-less using connection string: > DRIVER={PGSQL};SERVER=xx.xxx.xx.x;UID=user;PWD=pass;DATABASE=MyDB;UseServerSidePrepare=1; > > I'm doing a read on a record and binding the columns. If found, update > some columns and call > SQLSetPos(hstmt, 1, SQL_UPDATE, SQL_LOCK_NO_CHANGE) > to do the update, which works fine. > > If the record is not found, I set the values of all bound columns, > then call > SQLBulkOperations(hstmt, SQL_ADD) > at which point I get the error. > > The SQLSetPos for update had been failing until I changed the > concurrency to SQL_CONCUR_ROWVER and type to SQL_CURSOR_KEYSET_DRIVEN. > > I'm not sure what you mean about setting "option=1"?? > > > > On Fri, 2014-06-06 at 21:13 +0900, Inoue, Hiroshi wrote: > > How are you setting UpdatableCursors option? > > You have to set the option=1 when you use SQLBulkOperations(). > > > > regards, > > Hiroshi Inoue > > > > (2014/06/06 20:57), John C. Frickson wrote: > > > On Fri, 2014-06-06 at 13:37 +0900, Michael Paquier wrote: > > >> On Fri, Jun 6, 2014 at 12:32 PM, John C. Frickson <john@frickson.us> wrote: > > >>> Is there a problem with the SQLBulkOperations function? When I call > > >>> SQLBulkOperations(hstmt, SQL_ADD) I get an error: "[IM001] Driver does > > >>> not support this function". > > >>> > > >>> I'm probably missing something simple. Help please? > > >> What is the version of Postgres ODBC and ODBC lib used? the OS? I am > > >> seeing in the code that SQLBulkOperations is used if odbc version > > >> protocol is newer than 0x0300. > > > > > > Versions: > > > > > > OpenSUSE 13.1 x86_64 > > > PostgreSQL 9.2.7 > > > psqlODBC 08.03.0200 > > > unixODBC 2.3.1
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