This is the addition of the CSV engine "aka tina". Its an example engine that...

This is the addition of the CSV engine "aka tina". Its an example engine that works as a plain text file. 


acconfig.h:
  Adding HAVE CSV rule
acinclude.m4:
  Build option of csv engine
configure.in:
  Update for building CSV
sql/Makefile.am:
  Added files for CSV build
sql/handler.cc:
  Needed options for CSV to be created.
sql/handler.h:
  CSV type engine enum.
sql/mysql_priv.h:
  Addition of the have_csv_db variable.
sql/mysqld.cc:
  Code to show csv option.
sql/set_var.cc:
  Adding have show variables for both csv and example.

acconfig.h

@@ -119,6 +119,9 @@
 /* Builds Archive Storage Engine */
 #undef HAVE_ARCHIVE_DB
 
+/* Builds CSV Storage Engine */
+#undef HAVE_CSV_DB
+
 /* fp_except from ieeefp.h */
 #undef HAVE_FP_EXCEPT
 

acinclude.m4

@@ -1363,6 +1363,37 @@ dnl ---------------------------------------------------------------------------
 dnl END OF MYSQL_CHECK_ARCHIVE SECTION
 dnl ---------------------------------------------------------------------------
 
+dnl ---------------------------------------------------------------------------
+dnl Macro: MYSQL_CHECK_CSVDB
+dnl Sets HAVE_CSV_DB if --with-csv-storage-engine is used
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([MYSQL_CHECK_CSVDB], [
+  AC_ARG_WITH([csv-storage-engine],
+              [
+  --with-csv-storage-engine
+                          Enable the CSV Storage Engine],
+              [csvdb="$withval"],
+              [csvdb=no])
+  AC_MSG_CHECKING([for csv storage engine])
+
+  case "$csvdb" in
+    yes )
+      AC_DEFINE(HAVE_CSV_DB)
+      AC_MSG_RESULT([yes])
+      [csvdb=yes]
+      ;;
+    * )
+      AC_MSG_RESULT([no])
+      [csvdb=no]
+      ;;
+  esac
+
+])
+dnl ---------------------------------------------------------------------------
+dnl END OF MYSQL_CHECK_CSV SECTION
+dnl ---------------------------------------------------------------------------
+
+
 dnl ---------------------------------------------------------------------------
 dnl Macro: MYSQL_CHECK_NDBCLUSTER
 dnl Sets HAVE_NDBCLUSTER_DB if --with-ndbcluster is used

configure.in

@@ -2717,6 +2717,7 @@ MYSQL_CHECK_BDB
 MYSQL_CHECK_INNODB
 MYSQL_CHECK_EXAMPLEDB
 MYSQL_CHECK_ARCHIVEDB
+MYSQL_CHECK_CSVDB
 MYSQL_CHECK_NDBCLUSTER
 
 # If we have threads generate some library functions and test programs

mysql-test/include/have_csv.inc

+-- require r/have_csv.require
+disable_query_log;
+show variables like "have_csv";
+enable_query_log;

mysql-test/r/have_csv.require

+Variable_name	Value
+have_csv	YES

sql/handler.h

@@ -147,7 +147,7 @@ enum db_type
   DB_TYPE_MRG_ISAM, DB_TYPE_MYISAM, DB_TYPE_MRG_MYISAM,
   DB_TYPE_BERKELEY_DB, DB_TYPE_INNODB, 
   DB_TYPE_GEMINI, DB_TYPE_NDBCLUSTER,
-  DB_TYPE_EXAMPLE_DB, DB_TYPE_ARCHIVE_DB,
+  DB_TYPE_EXAMPLE_DB, DB_TYPE_ARCHIVE_DB, DB_TYPE_CSV_DB,
 	       
   DB_TYPE_DEFAULT // Must be last
 };