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Added tables for new tags

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moodler 2007-07-31 05:59:32 +00:00
parent f29146dd44
commit 7964206412
5 changed files with 126 additions and 4 deletions
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49
lib/db/install.xml
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@ -1579,7 +1579,7 @@
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the table, please edit me"/>
</KEYS>
</TABLE>
<TABLE NAME="grade_import_values" COMMENT="Temporary table for importing grades" PREVIOUS="grade_import_newitem">
<TABLE NAME="grade_import_values" COMMENT="Temporary table for importing grades" PREVIOUS="grade_import_newitem" NEXT="tag">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="id of the table, please edit me" NEXT="itemid"/>
<FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="if set, this points to existing grade_items id" PREVIOUS="id" NEXT="newgradeitem"/>
@ -1595,6 +1595,51 @@
<KEY NAME="newgradeitem" TYPE="foreign" FIELDS="newgradeitem" REFTABLE="grade_import_newitem" REFFIELDS="id" PREVIOUS="itemid"/>
</KEYS>
</TABLE>
<TABLE NAME="tag" COMMENT="tag table" PREVIOUS="grade_import_values" NEXT="tag_correlation">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
<FIELD NAME="userid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="tagtype"/>
<FIELD NAME="tagtype" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="description"/>
<FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="tagtype" NEXT="descriptionformat"/>
<FIELD NAME="descriptionformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="flag"/>
<FIELD NAME="flag" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="a tag can be 'flagged' as inappropriate" PREVIOUS="descriptionformat" NEXT="timemodified"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="flag"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for tag"/>
</KEYS>
<INDEXES>
<INDEX NAME="name" UNIQUE="true" FIELDS="name" COMMENT="tag names are unique"/>
</INDEXES>
</TABLE>
<TABLE NAME="tag_correlation" COMMENT="The rationale for the 'tag_correlation' table is performance. It works as a cache for a potentially heavy load query done at the 'tag_instance' table. So, the 'tag_correlation' table stores redundant information derived from the 'tag_instance' table" PREVIOUS="tag" NEXT="tag_instance">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="tagid"/>
<FIELD NAME="tagid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="correlatedtags"/>
<FIELD NAME="correlatedtags" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="tagid"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for tag_correlation"/>
</KEYS>
<INDEXES>
<INDEX NAME="tagid" UNIQUE="true" FIELDS="tagid" COMMENT="tagid"/>
</INDEXES>
</TABLE>
<TABLE NAME="tag_instance" COMMENT="tag_instance table holds the information of associations between tags and other items" PREVIOUS="tag_correlation">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="tagid"/>
<FIELD NAME="tagid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="itemtype"/>
<FIELD NAME="itemtype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="tagid" NEXT="itemid"/>
<FIELD NAME="itemid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" PREVIOUS="itemtype"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for tag_instance"/>
</KEYS>
<INDEXES>
<INDEX NAME="tagiditem" UNIQUE="false" FIELDS="tagid, itemtype, itemid"/>
</INDEXES>
</TABLE>
</TABLES>
<STATEMENTS>
<STATEMENT NAME="insert mnet_application" TYPE="insert" TABLE="mnet_application" COMMENT="Initial insert of records on table mnet_application" NEXT="insert log_display">
@ -1624,4 +1669,4 @@
</SENTENCES>
</STATEMENT>
</STATEMENTS>
</XMLDB>
</XMLDB>