Linux 4.0.2 Release

README.md

@@ -10,6 +10,14 @@ SQL Server Team
 
 ##Announcements
 
+July 29, 2016 (4.0.2): Updated Linux drivers are available for Ubuntu 15.04, Ubuntu 16.04, and RedHat 7.2. The source code for the drivers has also been made available. This update provides the following improvements and bug fixes:
+
+- The PDO_SQLSRV driver no longer requires PDO to be built as a shared extension.
+- Fixed an issue with format specifiers in error messages.
+- Fixed a segmentation fault when using buffered cursors.
+- Fixed an issue whereby calling sqlsrv_rows_affected on an empty result set would return a null result instead of 0.
+- Fixed an issue with error messages when there is an error in sizes in SQLSRV_SQLTYPE_*.
+
 July 11, 2016 (4.0.1): Thread safe and non-thread safe variations for SQLSRV and PDO_SQLSRV for Linux drivers with basic functionalities are now available. The drivers have been built and tested on Ubuntu 15.04, Ubuntu 16.04, and RedHat 7.2.. Also, there are some improvements on the drivers that we would like to share:
 
 - Improved handling varchar(MAX).
@@ -26,7 +34,7 @@ June 20, 2016 (4.0.0): The early technical preview (ETP) for SQLSRV and PDO_SQLS
 
 ## Install
 
-The drivers are distributed as shared binary extensions for PHP. They are available in thread safe (*_ts.so) and-non thread safe (*_nts.so) versions. The thread safety configuration of your web server will determine which version you need. If you wish to install Apache from source, follow these instructions:
+The drivers are distributed as shared binary extensions for PHP. They are available in thread safe (*_ts.so) and-non thread safe (*_nts.so) versions. The source code for the drivers is also available, and you can choose whether to compile them as thread safe or non-thread safe versions. The thread safety configuration of your web server will determine which version you need. If you wish to install Apache from source, follow these instructions:
 
 1. Download the source from [Apache.org][httpd_source]. Unzip the source to a local directory. 
 
@@ -40,7 +48,8 @@ Now you are ready to install PHP.
 
 - Method 1: Using your package  manager:
 
-	Note: make sure the packaged  PHP version is PHP 7.
+	Make sure the packaged  PHP version is PHP 7. Note: We do not recommend this method, as php-odbc may introduce conflicts with the unixODBC driver manager that you have already installed. 
+
 	1. Use your package manager to install php and php-odbc.
 	2. Copy the precompiled binaries into the extensions directory (likely in /usr/lib/php).
 	3. Edit the php.ini file as indicated  in "Enable the drivers" section.
@@ -52,8 +61,6 @@ Now you are ready to install PHP.
     1. Switch to the PHP directory and run `./buildconf --force`. You may need to install autoconf with your package-manager prior to this step.
 
     2. Run `./configure` with the following options on the command line:
-
-      For the SQLSRV driver, you will need:
       
       (i) `LIBS=-lodbc` 
 (ii) the path for the unixODBC header files using `--with-unixODBC=<path-to-ODBC-headers>`. To find the path for the header files, use the command `sudo find / -name sql.h`. Then add this path, without the /include/sql.h, to the command line. For example, if the find command yields /usr/local/include/sql.h, add `--with-unixODBC=/usr/local` to the `./configure` command line. 
@@ -62,24 +69,37 @@ Now you are ready to install PHP.
 
       Thus your `./configure` command should look like `./configure LIBS=-lodbc --with-unixODBC=<path-to-ODBC-headers> --with-apxs2=<path-to-apxs-executable> --enable-maintainer-zts`.
 
-      For the PDO_SQLSRV driver, you will need the same options as for the SQLSRV driver, along with:
-
-      (i) PDO built as a shared extension using `--enable-pdo=shared`. 
-(ii) Since PDO must be compiled as a shared extension, any other PDO extensions that you wish to build must be compiled as shared extensions by adding `--with-pdo-<name_of_extension>=shared` to the `./configure` command. In particular, pdo-sqlite, which is built by default with PHP, must be either compiled as a shared extension using `--with-pdo-sqlite=shared`, or disabled using `--without-pdo-sqlite`. (This restriction will be lifted in a future release.)
-
-      Therefore, your `./configure` command should look like `./configure LIBS=-lodbc --with-unixODBC=<path-to-ODBC-headers> --with-apxs2=<path-to-apxs-executable> --enable-maintainer-zts --enable-pdo=shared --with-pdo-sqlite=shared`.
-
       If your `./configure` command exits with an error saying it cannot find xml2-config, you may need to install libxml2-dev using your package manager before continuing.
 
 	3. Run `make` and then put the precompiled binaries into the < php_source_directory >/modules/ directory.
 
 	4. Run `make install` to install the binaries into the default php extensions directory.
 
+- Method 3: Compile the drivers from source along with PHP:
+
+	Download the PHP 7 source and unzip it to a local directory. Then follow the steps below:
+
+    1. Switch to the PHP directory and unzip the Linux driver sources to the `ext/` directory. There are two directories, `sqlsrv/` and `pdo_sqlsrv/`. Run `./buildconf --force`. You may need to install autoconf with your package-manager prior to this step.
+
+    2. Run `./configure` with the same options listed above, in addition to the following:
+
+      (i) `CXXFLAGS=-std=c++11` to ensure your compiler uses the C++11 standard. 
+(ii) `--enable-sqlsrv=shared `
+(iii)`--with-pdo_sqlsrv=shared` 
+(iv)`--with-odbcver=0x0380`. This option has no practical effect as the drivers use ODBC version 3.52, but it suppresses compilation warnings arising from the fact that PHP's default setting of version 3.00 is different from unixODBC's setting of 3.80. 
+
+      Thus your `./configure` command should look like `./configure LIBS=-lodbc –with-unixODBC=<path-to-ODBC-headers> --with-apxs2=<path-to-apxs-executable> CXXFLAGS=-std=c++11 --enable-sqlsrv=shared --with-pdo_sqlsrv=shared --with-odbcver=0x0380`. 
+
+
+   3. Run `make`. The compiled drivers will be located in the `modules/` directory, and are named `sqlsrv.so` and `pdo_sqlsrv.so`.       
+
+    4. Run `sudo make install` to install the binaries into the default php extensions directory. 
+
 ####Enable the drivers
 
 1. Make sure that the driver is in your PHP extensions directory.
 
-2. Enable it within your PHP installation's php.ini: In your local PHP directory, copy `php.ini-development` to `php.ini`. If using the SQLSRV driver, add `extension=php_sqlsrv_7_ts.so` or `extension=php_sqlsrv_7_nts.so` to `php.ini`. If using the PDO_SQLSRV driver, add `extension=pdo.so & extension=php_pdo_sqlsrv_7_ts.so` or `extension=pdo.so & extension=php_pdo_sqlsrv_7_nts.so`. If necessary, specify the extension directory using `extension_dir`, for example: `extension_dir = /usr/local/bin`.
+2. Enable it within your PHP installation's php.ini: In your local PHP directory, copy `php.ini-development` to `php.ini`. If using the SQLSRV driver, add `extension=php_sqlsrv_7_ts.so` or `extension=php_sqlsrv_7_nts.so` to `php.ini`. If using the PDO_SQLSRV driver, add `extension=php_pdo_sqlsrv_7_ts.so` or `extension=php_pdo_sqlsrv_7_nts.so`.  Modify these filenames as appropriate if you compiled the drivers from source. If necessary, specify the extension directory using `extension_dir`, for example: `extension_dir = /usr/local/bin`.
 
 3. If using Apache web server, follow the [instructions here][httpdconf] for editing your Apache configuration file.
 
@@ -98,14 +118,7 @@ This preview contains the PHP 7 port of the SQLSRV and PDO_SQLSRV drivers, and d
 - Logging.
 - Local encodings other than UTF-8 are not supported for output.
 - Integrated authentication is not supported.
-
-SQLSRV:
-
-- sqlsrv_rows_affected returns an empty string when the number of rows is 0.
-
-PDO_SQLSRV:
-
--  Buffered cursors are not supported.
+- Buffered cursors are not supported.
 - lastInsertId().
 - ODBC 3.52 is supported but not 3.8.
 
@@ -184,4 +197,4 @@ This project has adopted the Microsoft Open Source Code of Conduct. For more inf
 
 [apr_source]: http://apr.apache.org/
 
-[httpdconf]: http://php.net/manual/en/install.unix.apache2.php
+[httpdconf]: http://php.net/manual/en/install.unix.apache2.php

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binaries/Ubuntu15/signature

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