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POGo 1.1.1 and ODBC with MSSQL
 

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  1. POGo 1.1.1 and ODBC with MSSQL
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    <p>Currently have <strong>FreeTDS 0.92.4</strong> / <strong>unixODBC 2.3.1</strong> up and running, connecting with a MSSQL server and able to execute queries etc.</p> <p>I've found this list of ODBC implementations for Go, and have tried the two in bold:</p> <ul> <li>BenoyRNair <a href="https://github.com/BenoyRNair/godbc/" rel="nofollow">https://github.com/BenoyRNair/godbc/</a> </li> <li>Wei guangjing <a href="https://github.com/weigj/go-odbc" rel="nofollow">https://github.com/weigj/go-odbc</a> </li> <li><strong>Mark Severson</strong> <a href="https://bitbucket.org/miquella/mgodbc" rel="nofollow">https://bitbucket.org/miquella/mgodbc</a> </li> <li>Luke Mauldin <a href="https://github.com/LukeMauldin/lodbc" rel="nofollow">https://github.com/LukeMauldin/lodbc</a> </li> <li>Robert Johnstone <a href="https://bitbucket.org/rj/odbc3-go/" rel="nofollow">https://bitbucket.org/rj/odbc3-go/</a> </li> <li><strong>brainman</strong> <a href="http://code.google.com/p/odbc/" rel="nofollow">http://code.google.com/p/odbc/</a> </li> </ul> <hr> <h1>mgodbc</h1> <p>I'm getting a bunch of deprecation warnings <em>(looking at the headers they're deprecated for OSX 10.8 and later)</em>:</p> <pre><code>cc1: warnings being treated as errors mgodbc.go: In function 'mSQLColAttribute': mgodbc.go:31: warning: 'SQLColAttributeW' is deprecated (declared at /usr/include/sqlucode.h:128) mgodbc.go: At top level: mgodbc.go:44: warning: 'SQLDisconnect' is deprecated (declared at /usr/include/sql.h:896) mgodbc.go:51: warning: 'SQLGetDiagRecW' is deprecated (declared at /usr/include/sqlucode.h:233) mgodbc.go:62: warning: 'SQLGetInfoW' is deprecated (declared at /usr/include/sqlucode.h:273) mgodbc.go:67: warning: 'SQLBindParameter' is deprecated (declared at /usr/include/sqlext.h:2519) mgodbc.go:70: warning: 'SQLDriverConnectW' is deprecated (declared at /usr/include/sqlucode.h:336) mgodbc.go:73: warning: 'SQLSetEnvAttr' is deprecated (declared at /usr/include/sql.h:1120) mgodbc.go:74: warning: 'SQLFreeHandle' is deprecated (declared at /usr/include/sql.h:942) mgodbc.go:75: warning: 'SQLSetConnectAttrW' is deprecated (declared at /usr/include/sqlucode.h:245) mgodbc.go:78: warning: 'SQLGetDiagFieldW' is deprecated (declared at /usr/include/sqlucode.h:223) mgodbc.go:82: warning: 'SQLRowCount' is deprecated (declared at /usr/include/sql.h:1076) mgodbc.go:98: warning: 'SQLGetData' is deprecated (declared at /usr/include/sql.h:975) mgodbc.go:99: warning: 'SQLEndTran' is deprecated (declared at /usr/include/sql.h:902) mgodbc.go:102: warning: 'SQLCloseCursor' is deprecated (declared at /usr/include/sql.h:831) mgodbc.go:103: warning: 'SQLPrepareW' is deprecated (declared at /usr/include/sqlucode.h:239) mgodbc.go:107: warning: 'SQLNumResultCols' is deprecated (declared at /usr/include/sql.h:1058) mgodbc.go:113: warning: 'SQLAllocHandle' is deprecated (declared at /usr/include/sql.h:799) mgodbc.go:114: warning: 'SQLExecute' is deprecated (declared at /usr/include/sql.h:921) mgodbc.go:115: warning: 'SQLFetch' is deprecated (declared at /usr/include/sql.h:924) mgodbc.go:119: warning: 'SQLNumParams' is deprecated (declared at /usr/include/sqlext.h:2448) </code></pre> <h3>Update</h3> <p>Following a suggestion from mac01021, from go-nuts irc, I've added</p> <pre><code>#pragma GCC diagnostic ignored "-Wdeprecated-declarations" </code></pre> <p>This gets rid of the deprecation warnings, but still doesn't build against the included iODBC of OS X</p> <p>Replacing the above line with:</p> <pre><code>#cgo darwin CFLAGS: -I/opt/local/include </code></pre> <p>and voila, mgodbc builds now <em>(using the installed unixODBC)</em><br> although now a nice little segfault occurs upon import =(</p> <hr> <h1>odbc</h1> <p>I'm getting build errors:</p> <pre><code># code.google.com/p/odbc/api api/api.go:13: undefined: SQLSMALLINT api/api.go:14: undefined: SQLUSMALLINT api/api.go:15: undefined: SQLUSMALLINT api/api.go:19: undefined: SQLSMALLINT api/api.go:20: undefined: SQLUSMALLINT api/api.go:21: undefined: SQLUSMALLINT api/api.go:22: undefined: SQLUSMALLINT api/api.go:23: undefined: SQLUSMALLINT api/api.go:24: undefined: SQLUSMALLINT api/api.go:25: undefined: SQLUINTEGER api/api.go:25: too many errors </code></pre> <h3>Update</h3> <p>Thanks @alex for the <code>cgo</code> info. I've modified <code>api_unix.go</code> with the below </p> <pre><code>// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build linux darwin // +build cgo package api // #cgo linux LDFLAGS: -lodbc // #cgo darwin LDFLAGS: -lodbc // #cgo darwin CFLAGS: -I /opt/local/include // #include &lt;sql.h&gt; // #include &lt;sqlext.h&gt; import "C" </code></pre> <p>The iODBC included with OS X has some things that are listed as deprecated <em>(and I've had better luck with unixODBC in the past)</em> </p> <p>I've added the <code>-I /opt/local/include</code> to the CFLAGS to, hopefully, point to the unixODBC headers, and not the ones included by Apple (which have the deprecation warnings etc.)</p> <p>Running <code># go build -x</code> gives me: </p> <pre><code>WORK=/var/folders/z2/k9vxn7gn6395vb3y2qc7_1040000gn/T/go-build784364461 mkdir -p $WORK/code.google.com/p/odbc/api/_obj/ mkdir -p $WORK/code.google.com/p/odbc/ cd /Users/jr/Development/go/src/code.google.com/p/odbc/api /usr/local/go/pkg/tool/darwin_amd64/cgo -objdir $WORK/code.google.com/p/odbc/api/_obj/ -- -I /opt/local/include -I $WORK/code.google.com/p/odbc/api/_obj/ api_unix.go /usr/local/go/pkg/tool/darwin_amd64/6c -F -V -w -I $WORK/code.google.com/p/odbc/api/_obj/ -I /usr/local/go/pkg/darwin_amd64 -o $WORK/code.google.com/p/odbc/api/_obj/_cgo_defun.6 -D GOOS_darwin -D GOARCH_amd64 $WORK/code.google.com/p/odbc/api/_obj/_cgo_defun.c gcc -I . -g -O2 -fPIC -m64 -pthread -fno-common -print-libgcc-file-name gcc -I . -g -O2 -fPIC -m64 -pthread -fno-common -I /opt/local/include -I $WORK/code.google.com/p/odbc/api/_obj/ -o $WORK/code.google.com/p/odbc/api/_obj/_cgo_main.o -c $WORK/code.google.com/p/odbc/api/_obj/_cgo_main.c gcc -I . -g -O2 -fPIC -m64 -pthread -fno-common -I /opt/local/include -I $WORK/code.google.com/p/odbc/api/_obj/ -o $WORK/code.google.com/p/odbc/api/_obj/_cgo_export.o -c $WORK/code.google.com/p/odbc/api/_obj/_cgo_export.c gcc -I . -g -O2 -fPIC -m64 -pthread -fno-common -I /opt/local/include -I $WORK/code.google.com/p/odbc/api/_obj/ -o $WORK/code.google.com/p/odbc/api/_obj/api_unix.cgo2.o -c $WORK/code.google.com/p/odbc/api/_obj/api_unix.cgo2.c gcc -I . -g -O2 -fPIC -m64 -pthread -fno-common -o $WORK/code.google.com/p/odbc/api/_obj/_cgo_.o $WORK/code.google.com/p/odbc/api/_obj/_cgo_main.o $WORK/code.google.com/p/odbc/api/_obj/_cgo_export.o $WORK/code.google.com/p/odbc/api/_obj/api_unix.cgo2.o -lodbc /usr/local/go/pkg/tool/darwin_amd64/cgo -objdir $WORK/code.google.com/p/odbc/api/_obj/ -dynimport $WORK/code.google.com/p/odbc/api/_obj/_cgo_.o -dynout $WORK/code.google.com/p/odbc/api/_obj/_cgo_import.c /usr/local/go/pkg/tool/darwin_amd64/6c -F -V -w -I $WORK/code.google.com/p/odbc/api/_obj/ -I /usr/local/go/pkg/darwin_amd64 -o $WORK/code.google.com/p/odbc/api/_obj/_cgo_import.6 -D GOOS_darwin -D GOARCH_amd64 $WORK/code.google.com/p/odbc/api/_obj/_cgo_import.c gcc -I . -g -O2 -fPIC -m64 -pthread -fno-common -o $WORK/code.google.com/p/odbc/api/_obj/_all.o $WORK/code.google.com/p/odbc/api/_obj/_cgo_export.o $WORK/code.google.com/p/odbc/api/_obj/api_unix.cgo2.o -Wl,-r -nostdlib /usr/llvm-gcc-4.2/bin/../lib/gcc/i686-apple-darwin11/4.2.1/x86_64/libgcc.a /usr/local/go/pkg/tool/darwin_amd64/6g -o $WORK/code.google.com/p/odbc/api/_obj/_go_.6 -p code.google.com/p/odbc/api -D _/Users/jr/Development/go/src/code.google.com/p/odbc/api -I $WORK ./api.go $WORK/code.google.com/p/odbc/api/_obj/_cgo_gotypes.go $WORK/code.google.com/p/odbc/api/_obj/api_unix.cgo1.go /usr/local/go/pkg/tool/darwin_amd64/pack grcP $WORK $WORK/code.google.com/p/odbc/api.a $WORK/code.google.com/p/odbc/api/_obj/_go_.6 $WORK/code.google.com/p/odbc/api/_obj/_cgo_import.6 $WORK/code.google.com/p/odbc/api/_obj/_cgo_defun.6 $WORK/code.google.com/p/odbc/api/_obj/_all.o mkdir -p $WORK/code.google.com/p/odbc/_obj/ mkdir -p $WORK/code.google.com/p/ cd /Users/jr/Development/go/src/code.google.com/p/odbc /usr/local/go/pkg/tool/darwin_amd64/6g -o $WORK/code.google.com/p/odbc/_obj/_go_.6 -p code.google.com/p/odbc -complete -D _/Users/jr/Development/go/src/code.google.com/p/odbc -I $WORK -I /Users/jr/Development/go/pkg/darwin_amd64 ./column.go ./conn.go ./driver.go ./error.go ./handle.go ./odbcstmt.go ./param.go ./result.go ./rows.go ./stats.go ./stmt.go ./tx.go # code.google.com/p/odbc ./column.go:22: undefined: api.SQLGetData ./column.go:28: undefined: api.SQLBindCol ./column.go:47: undefined: api.SQLDescribeCol ./conn.go:20: undefined: api.SQLAllocHandle ./conn.go:28: undefined: api.SQLDriverConnect ./conn.go:39: undefined: api.SQLDisconnect ./driver.go:26: undefined: api.SQLAllocHandle ./driver.go:34: undefined: api.SQLSetEnvAttr ./driver.go:43: undefined: api.SQLSetEnvAttr ./driver.go:50: undefined: api.SQLSetEnvAttr ./driver.go:50: too many errors </code></pre> <p>It looks like the header path include is being passed correctly?<br> But still looks like things are not quite linking correctly? </p> <p><em>for <code>SQLGetData</code> I do see a matching definition from the <code>//sys SQLGetData...</code> comment from <code>api.go</code> within <code>/opt/local/include/sql.h</code></em> </p> <hr> <h1>UPDATE</h1> <p>The library mentioned at the top: </p> <blockquote> <p><strong>brainman</strong> <a href="http://code.google.com/p/odbc/" rel="nofollow">http://code.google.com/p/odbc/</a> </p> </blockquote> <p>Now works as a go-gettable package on OSX. There's even documentation to get you started with the odbc/tds portions.</p>
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