Initial XMLDB implementation of Moodle backup tables

diff --git a/backup/db/install.xml b/backup/db/install.xml
new file mode 100644 (file)
index 0000000..ee79146
--- /dev/null
+++ b/backup/db/install.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<XMLDB PATH="backup/db" VERSION="20060807" COMMENT="XMLDB file for Moodle backup tables">
+  <TABLES>
+    <TABLE NAME="backup" COMMENT="Default comment for backup, please edit me" NEXT="backup_files">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="id of the table, please edit me"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for backup"/>
+      </KEYS>
+    </TABLE>
+    <TABLE NAME="backup_files" COMMENT="To store and recode ids to user and course files" PREVIOUS="backup" NEXT="backup_ids">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="backup_code"/>
+        <FIELD NAME="backup_code" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="file_type"/>
+        <FIELD NAME="file_type" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="backup_code" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="file_type" NEXT="old_id"/>
+        <FIELD NAME="old_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="path" NEXT="new_id"/>
+        <FIELD NAME="new_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="old_id"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for backup_files" NEXT="backup_files_uk"/>
+        <KEY NAME="backup_files_uk" TYPE="unique" FIELDS="backup_code, file_type, path" PREVIOUS="primary"/>
+      </KEYS>
+    </TABLE>
+    <TABLE NAME="backup_ids" COMMENT="To store and convert ids in backup/restore" PREVIOUS="backup_files" NEXT="backup_config">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="backup_code"/>
+        <FIELD NAME="backup_code" TYPE="int" LENGTH="12" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="table_name"/>
+        <FIELD NAME="table_name" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="backup_code" NEXT="old_id"/>
+        <FIELD NAME="old_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="table_name" NEXT="new_id"/>
+        <FIELD NAME="new_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="old_id" NEXT="info"/>
+        <FIELD NAME="info" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="new_id"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for backup_ids" NEXT="backup_ids_uk"/>
+        <KEY NAME="backup_ids_uk" TYPE="unique" FIELDS="backup_code, table_name, old_id" PREVIOUS="primary"/>
+      </KEYS>
+    </TABLE>
+    <TABLE NAME="backup_config" COMMENT="To store backup configuration variables" PREVIOUS="backup_ids" NEXT="backup_courses">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="value"/>
+        <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for backup_config"/>
+      </KEYS>
+      <INDEXES>
+        <INDEX NAME="name" UNIQUE="true" FIELDS="name"/>
+      </INDEXES>
+    </TABLE>
+    <TABLE NAME="backup_courses" COMMENT="To store every course backup status" PREVIOUS="backup_config" NEXT="backup_log">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="laststarttime"/>
+        <FIELD NAME="laststarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="lastendtime"/>
+        <FIELD NAME="lastendtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="laststarttime" NEXT="laststatus"/>
+        <FIELD NAME="laststatus" TYPE="char" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lastendtime" NEXT="nextstarttime"/>
+        <FIELD NAME="nextstarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="laststatus"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for backup_courses" NEXT="courseid"/>
+        <KEY NAME="courseid" TYPE="unique" FIELDS="courseid" PREVIOUS="primary"/>
+      </KEYS>
+    </TABLE>
+    <TABLE NAME="backup_log" COMMENT="To store every course backup log info" PREVIOUS="backup_courses">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="laststarttime"/>
+        <FIELD NAME="laststarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="time" NEXT="info"/>
+        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="laststarttime"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for backup_log" NEXT="courseid"/>
+        <KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="backup_courses" REFFIELDS="courseid" COMMENT="Default comment for the key, please edit me" PREVIOUS="primary"/>
+      </KEYS>
+    </TABLE>
+  </TABLES>
+</XMLDB>
\ No newline at end of file