Add a script to update the c_content column in existing postgresql tables

Update the table creation statements for mysql to use 'mediumtext' instead of 'text' for the c_content column.
The latter is only 64k chars long, which is not enough.

Monotone-Parent: f66b516a4e4c827bd8733fd6903ca41528172989
Monotone-Revision: 36b1155b71ef197756bd93ba282a5a89126511e7

Monotone-Author: jraby@inverse.ca
Monotone-Date: 2012-01-03T20:42:34

SOPE/GDLContentStore/GCSSpecialQueries.m

@@ -258,7 +258,7 @@
   static NSString *sqlFolderFormat
     = (@"CREATE TABLE %@ (\n"
        @"  c_name VARCHAR (255) NOT NULL PRIMARY KEY,\n"
-       @"  c_content TEXT NOT NULL,\n"
+       @"  c_content MEDIUMTEXT NOT NULL,\n"
        @"  c_creationdate INT NOT NULL,\n"
        @"  c_lastmodified INT NOT NULL,\n"
        @"  c_version INT NOT NULL,\n"

Scripts/sql-update-1.3.11_to_1.3.12.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# This script only works with PostgreSQL
+
+defaultusername=$USER
+defaulthostname=localhost
+defaultdatabase=$USER
+indextable=sogo_folder_info
+
+read -p "Username ($defaultusername): " username
+read -p "Hostname ($defaulthostname): " hostname
+read -p "Database ($defaultdatabase): " database
+
+if [ -z "$username" ]
+then
+  username=$defaultusername
+fi
+if [ -z "$hostname" ]
+then
+  hostname=$defaulthostname
+fi
+if [ -z "$database" ]
+then
+  database=$defaultdatabase
+fi
+
+sqlscript=""
+
+function convVCtoText() {
+    oldIFS="$IFS"
+    IFS=" "
+    part="`echo -e \"ALTER TABLE $table ALTER COLUMN c_content TYPE TEXT;\\n\"`";
+    sqlscript="$sqlscript$part"
+    IFS="$oldIFS"
+}
+
+tables=`psql -t -U $username -h $hostname $database -c "select split_part(c_location, '/', 5) from $indextable;"`
+
+for table in $tables;
+do
+  convVCtoText
+done
+
+echo "$sqlscript" | psql -q -e -U $username -h $hostname $database