moodle/lib/xmldb/xmldb.xsd

<?xml version="1.0" encoding="UTF-8" ?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="FIELD">
    <xs:complexType>
      <xs:attribute name="ENUM" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="false" />
            <xs:enumeration value="true" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="LENGTH" type="xs:NMTOKEN" use="required" />
      <xs:attribute name="DECIMALS" type="xs:NMTOKEN" use="optional" />
      <xs:attribute name="NEXT" type="xs:NMTOKEN" use="optional" />
      <xs:attribute name="SEQUENCE" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="false" />
            <xs:enumeration value="true" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="ENUMVALUES" type="xs:string" use="optional" />
      <xs:attribute name="DEFAULT" type="xs:NMTOKEN" use="optional" />
      <xs:attribute name="TYPE" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="binary" />
            <xs:enumeration value="char" />
            <xs:enumeration value="float" />
            <xs:enumeration value="int" />
            <xs:enumeration value="number" />
            <xs:enumeration value="text" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="UNSIGNED" use="optional">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="false" />
            <xs:enumeration value="true" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="PREVIOUS" type="xs:NMTOKEN" use="optional" />
      <xs:attribute name="NOTNULL" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="false" />
            <xs:enumeration value="true" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="NAME" type="xs:NMTOKEN" use="required" />
    </xs:complexType>
  </xs:element>

  <xs:element name="FIELDS">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="FIELD" maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="INDEX">
    <xs:complexType>
      <xs:attribute name="PREVIOUS" type="xs:NMTOKEN" use="optional" />
      <xs:attribute name="COMMENT" type="xs:string" use="optional" />
      <xs:attribute name="UNIQUE" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="false" />
            <xs:enumeration value="true" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="NAME" type="xs:NMTOKEN" use="required" />
      <xs:attribute name="FIELDS" type="xs:string" use="required" />
      <xs:attribute name="NEXT" type="xs:NMTOKEN" use="optional" />
    </xs:complexType>
  </xs:element>

  <xs:element name="INDEXES">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="INDEX" maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="KEY">
    <xs:complexType>
      <xs:attribute name="PREVIOUS" type="xs:NMTOKEN" use="optional" />
      <xs:attribute name="COMMENT" type="xs:string" use="optional" />
      <xs:attribute name="NAME" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="name" />
            <xs:enumeration value="plugin_name" />
            <xs:enumeration value="primary" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="FIELDS" type="xs:string" use="required" />
      <xs:attribute name="TYPE" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="primary" />
            <xs:enumeration value="unique" />
            <xs:enumeration value="foreign" />
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name="NEXT" type="xs:NMTOKEN" use="optional" />
    </xs:complexType>
  </xs:element>

  <xs:element name="KEYS">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="KEY" maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="SENTENCE">
    <xs:complexType>
      <xs:attribute name="TEXT" type="xs:string" use="required" />
    </xs:complexType>
  </xs:element>

  <xs:element name="SENTENCES">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="SENTENCE" maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="STATEMENT">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="SENTENCES" />
      </xs:sequence>
      <xs:attribute name="COMMENT" type="xs:string" use="required" />
      <xs:attribute name="TABLE" type="xs:NMTOKEN" use="required" />
      <xs:attribute name="NAME" type="xs:string" use="required" />
      <xs:attribute name="TYPE" type="xs:NMTOKEN" use="required" />
    </xs:complexType>
  </xs:element>

  <xs:element name="STATEMENTS">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="STATEMENT" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="TABLE">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="FIELDS" />
        <xs:element ref="KEYS" />
        <xs:element ref="INDEXES" minOccurs="0" />
      </xs:sequence>
      <xs:attribute name="PREVIOUS" type="xs:NMTOKEN" use="optional" />
      <xs:attribute name="COMMENT" type="xs:string" use="required" />
      <xs:attribute name="NAME" type="xs:ID" use="required" />
      <xs:attribute name="NEXT" type="xs:NMTOKEN" use="optional" />
    </xs:complexType>
  </xs:element>

  <xs:element name="TABLES">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="TABLE" maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="XMLDB">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="TABLES" />
        <xs:element ref="STATEMENTS" />
      </xs:sequence>
      <xs:attribute name="PATH" type="xs:string" use="required" />
      <xs:attribute name="COMMENT" type="xs:string" use="required" />
      <xs:attribute name="VERSION" type="xs:NMTOKEN" use="required" />
    </xs:complexType>
  </xs:element>

</xs:schema>