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By default, ColumnStore installs configuration files into the root /etc and /var directories.
This is fine for RPM and DEB builds. However, this is not good for STANDALONE builds.
With standalone builds we're going to allow non-root installations of ColumnStore.
Also, with standalone builds everything should reside inside the same directory, so one can do:
cmake -DCMAKE_INSTALL_PREFIX=/tmp/mariadb
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make
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make install
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tar -zcf mariadb-standalone-binary-distribution.tar.gz /tmp/mariadb/
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Note, this generally works with MariaDB - unless ColumnStore is enabled.
This patch does the trick:
--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -43,6 +43,10 @@ SET (ENGINE_DATADIR "/var/lib/columnstore")
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SET (ENGINE_LOGDIR "/var/log/mariadb/columnstore")
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IF (INSTALL_LAYOUT)
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+ IF (INSTALL_LAYOUT MATCHES "STANDALONE")
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+ SET (ENGINE_DATADIR "${CMAKE_INSTALL_PREFIX}/var/lib/columnstore")
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+ SET (ENGINE_SYSCONFDIR "${CMAKE_INSTALL_PREFIX}/etc")
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+ ENDIF ()
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# We are building from MariaDB server submodule if this is set
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SET(MARIADB_PLUGINDIR "${CMAKE_INSTALL_PREFIX}/${INSTALL_PLUGINDIR}")
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IF (INSTALL_SYSCONF2DIR)
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However it makes the following directory layout:
[bar@home mariadb-10.6-cs]$ ls -l --group-directories-first /opt/mariadb-10.6-cs
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total 204
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drwxr-xr-x. 2 bar bar 4096 Apr 26 16:19 bin
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drwx------. 9 bar bar 4096 Apr 27 06:43 data <--- MariaDB data directory
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drwxr-xr-x. 3 bar bar 4096 Apr 26 16:19 include
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drwxr-xr-x. 4 bar bar 4096 Apr 26 16:19 lib
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drwxr-xr-x. 4 bar bar 4096 Apr 26 16:19 man
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drwxrwxr-x. 9 bar bar 4096 Apr 26 16:19 mysql-test
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drwxr-xr-x. 2 bar bar 4096 Apr 26 16:19 scripts
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drwxr-xr-x. 32 bar bar 4096 Apr 26 16:19 share
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drwxr-xr-x. 4 bar bar 4096 Apr 26 16:19 sql-bench
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drwxr-xr-x. 3 bar bar 4096 Apr 26 16:19 support-files
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drwxr-xr-x. 3 bar bar 4096 Apr 26 16:19 var <--- ColumnStore data directory
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-rw-r--r--. 1 bar bar 17987 Apr 26 06:21 COPYING
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-rw-r--r--. 1 bar bar 2093 Apr 26 06:21 CREDITS
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-rw-r--r--. 1 bar bar 8245 Apr 26 06:21 EXCEPTIONS-CLIENT
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-rw-r--r--. 1 bar bar 8782 Apr 26 06:21 INSTALL-BINARY
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-rw-r--r--. 1 bar bar 2973 Apr 26 06:21 README.md
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-rw-r--r--. 1 bar bar 19520 Apr 26 06:21 README-wsrep
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-rw-r--r--. 1 bar bar 86263 Apr 26 06:21 THIRDPARTY
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It is probably not good that the installation will have separate data directories:
- /data for MariaDB data
- /var for ColumnStore data. Note /var sounds too generic.
So the ColumnStore data directory could be columnstore-data instead of just var.
Serg also proposed to consider putting ColumnStore data directory inside MariaDB data directory: data/.ColumnStore.
In MariaDB one cannot create or drop databases starting with the DOT character. So this should be safe against a query like this:
DROP DATABASE `.ColumnStore`
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Note, do avoid .ColumnStore to pop up in SHOW DATABASES we can add this line inside the server sources:
push_ignored_db_dir(".ColumnStore");
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