<?xml version="1.0" encoding="UTF-8"?>
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  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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  -->
<tns:store xmlns:tns="http://tajo.apache.org/catalogstore" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tajo.apache.org/catalogstore ../DBMSSchemaDefinition.xsd ">
  <!--
      Catalog base version history
      * 6 - 2015-07-24: Merge the index branch into the master branch (TAJO-1300)
      * 5 - 2015-06-15: Implement TablespaceManager to load Tablespaces (TAJO-1616)
      * 4 - 2015-03-27: Partition Schema (TAJO-1284)
      * 3 - 2015-03-12: Nested Schema (TAJO-1329)
      * 2 - 2014-06-09: First versioning
      * 1-  Before 2013-03-20
    -->
  <tns:base version="6">
    <tns:objects>
      <tns:Object order="0" type="table" name="META">
        <tns:sql><![CDATA[CREATE TABLE META (VERSION INT NOT NULL)]]></tns:sql>
      </tns:Object>
      <tns:Object order="1" type="table" name="TABLESPACES">
        <tns:sql><![CDATA[
        CREATE TABLE TABLESPACES (
          SPACE_ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
          SPACE_NAME VARCHAR(128) BINARY NOT NULL UNIQUE,
          SPACE_HANDLER VARCHAR (1024) DEFAULT 'HDFS',
          SPACE_URI VARCHAR (4096) BINARY NOT NULL,
          UNIQUE INDEX IDX_NAME (SPACE_NAME)
				)]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="2" type="table" name="DATABASES_">
        <tns:sql><![CDATA[
        CREATE TABLE DATABASES_ (
          DB_ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
          DB_NAME VARCHAR(128) BINARY NOT NULL UNIQUE,
          SPACE_ID INT NOT NULL,
          FOREIGN KEY (SPACE_ID) REFERENCES TABLESPACES (SPACE_ID),
          UNIQUE INDEX IDX_NAME (DB_NAME)
				)]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="3" type="table" name="TABLES">
        <tns:sql><![CDATA[
        CREATE TABLE TABLES (
          TID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
          DB_ID INT NOT NULL,
          TABLE_NAME VARCHAR(128) BINARY NOT NULL,
          TABLE_TYPE VARCHAR(128) NOT NULL,
          PATH VARCHAR(4096) BINARY,
          STORE_TYPE CHAR(16),
          FOREIGN KEY (DB_ID) REFERENCES DATABASES_ (DB_ID),
          INDEX IDX_DB_ID (DB_ID),
          UNIQUE INDEX IDX_TABLE_ID (DB_ID, TABLE_NAME)
        )]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="4" type="table" name="COLUMNS">
        <tns:sql><![CDATA[
        CREATE TABLE COLUMNS (
          TID INT NOT NULL,
          COLUMN_NAME VARCHAR(255) BINARY NOT NULL,
          ORDINAL_POSITION INT NOT NULL,
          NESTED_FIELD_NUM INT NOT NULL,
          DATA_TYPE CHAR(16),
          TYPE_LENGTH INTEGER,
          PRIMARY KEY (TID, ORDINAL_POSITION),
          FOREIGN KEY (TID) REFERENCES TABLES (TID) ON DELETE CASCADE
        )]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="5" type="table" name="OPTIONS">
        <tns:sql><![CDATA[
        CREATE TABLE OPTIONS (
          TID INT NOT NULL,
          KEY_ VARCHAR(255) BINARY NOT NULL,
          VALUE_ VARCHAR(4000) NOT NULL,
          PRIMARY KEY (TID, KEY_),
          FOREIGN KEY (TID) REFERENCES TABLES (TID) ON DELETE CASCADE
        )]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="6" type="table" name="INDEXES">
        <tns:sql><![CDATA[
        CREATE TABLE INDEXES (
          INDEX_ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
          DB_ID INT NOT NULL,
          TID INT NOT NULL,
          INDEX_NAME VARCHAR(128) NOT NULL,
          INDEX_TYPE CHAR(32) BINARY NOT NULL,
          PATH VARCHAR(4096) NOT NULL,
          COLUMN_NAMES VARCHAR(256) NOT NULL, -- array of column names
          DATA_TYPES VARCHAR(128) NOT NULL, -- array of column types
          ORDERS VARCHAR(128) NOT NULL, -- array of column orders
          NULL_ORDERS VARCHAR(128) NOT NULL, -- array of null orderings
          IS_UNIQUE BOOLEAN NOT NULL,
          IS_CLUSTERED BOOLEAN NOT NULL,
          FOREIGN KEY (DB_ID) REFERENCES DATABASES_ (DB_ID) ON DELETE CASCADE,
          FOREIGN KEY (TID) REFERENCES TABLES (TID) ON DELETE CASCADE,
          UNIQUE INDEX IDX_DB_ID_NAME (DB_ID, INDEX_NAME)
        )]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="7" type="table" name="STATS">
        <tns:sql><![CDATA[
        CREATE TABLE STATS (
          TID INT NOT NULL PRIMARY KEY,
          NUM_ROWS BIGINT,
          NUM_BYTES BIGINT,
          FOREIGN KEY (TID) REFERENCES TABLES (TID) ON DELETE CASCADE
        )]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="8" type="table" name="PARTITION_METHODS">
        <tns:sql><![CDATA[
        CREATE TABLE PARTITION_METHODS (
          TID INT NOT NULL PRIMARY KEY,
          PARTITION_TYPE VARCHAR(10) NOT NULL,
          EXPRESSION VARCHAR(1024) NOT NULL,
          EXPRESSION_SCHEMA VARCHAR(1024) NOT NULL,
          FOREIGN KEY (TID) REFERENCES TABLES (TID) ON DELETE CASCADE
        )]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="9" type="table" name="PARTITIONS">
        <tns:sql><![CDATA[
        CREATE TABLE PARTITIONS (
          PARTITION_ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
          TID INT NOT NULL,
          PARTITION_NAME VARCHAR(255) BINARY,
          PATH VARCHAR(4096) BINARY,
          CONSTRAINT CONST_PARTITION_UNIQUE UNIQUE (PARTITION_NAME),
          FOREIGN KEY (TID) REFERENCES TABLES (TID) ON DELETE CASCADE
        )]]>
        </tns:sql>
      </tns:Object>
      <tns:Object order="10" type="table" name="PARTITION_KEYS">
        <tns:sql><![CDATA[
        CREATE TABLE PARTITION_KEYS (
          PARTITION_ID INT NOT NULL,
          COLUMN_NAME VARCHAR(255) BINARY NOT NULL,
          PARTITION_VALUE VARCHAR(255) BINARY NOT NULL,
          UNIQUE INDEX PARTITION_KEYS_IDX (PARTITION_ID, COLUMN_NAME, PARTITION_VALUE),
          FOREIGN KEY (PARTITION_ID) REFERENCES PARTITIONS (PARTITION_ID) ON DELETE CASCADE
        )]]>
        </tns:sql>
      </tns:Object>
    </tns:objects>
  </tns:base>

</tns:store>