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Example 56 with PersistentStore

use of org.hsqldb_voltpatches.persist.PersistentStore in project voltdb by VoltDB.

the class DatabaseInformationFull method USAGE_PRIVILEGES.

/**
     * The USAGE_PRIVILEGES view has one row for each usage privilege
     * descriptor. <p>
     *
     * It effectively contains a representation of the usage privilege
     * descriptors. <p>
     *
     * <b>Definition:</b> <p>
     *
     * <pre class="SqlCodeExample">
     * CREATE TABLE SYSTEM_USAGE_PRIVILEGES (
     *      GRANTOR         VARCHAR NOT NULL,
     *      GRANTEE         VARCHAR NOT NULL,
     *      OBJECT_CATALOG  VARCHAR NULL,
     *      OBJECT_SCHEMA   VARCHAR NULL,
     *      OBJECT_NAME     VARCHAR NOT NULL,
     *      OBJECT_TYPE     VARCHAR NOT NULL
     *
     *          CHECK ( OBJECT_TYPE IN (
     *                      'DOMAIN',
     *                      'CHARACTER SET',
     *                      'COLLATION',
     *                      'TRANSLATION',
     *                      'SEQUENCE' ) ),
     *
     *      IS_GRANTABLE    VARCHAR NOT NULL
     *
     *          CHECK ( IS_GRANTABLE IN ( 'YES', 'NO' ) ),
     *
     *      UNIQUE( GRANTOR, GRANTEE, OBJECT_CATALOG,
     *              OBJECT_SCHEMA, OBJECT_NAME, OBJECT_TYPE )
     * )
     * </pre>
     *
     * <b>Description:</b><p>
     *
     * <ol>
     * <li> The value of GRANTOR is the &lt;authorization identifier&gt; of the
     *      user or role who granted usage privileges on the object of the type
     *      identified by OBJECT_TYPE that is identified by OBJECT_CATALOG,
     *      OBJECT_SCHEMA, and OBJECT_NAME, to the user or role identified by the
     *      value of GRANTEE forthe usage privilege being described. <p>
     *
     * <li> The value of GRANTEE is the &lt;authorization identifier&gt; of some
     *      user or role, or PUBLIC to indicate all users, to whom the usage
     *      privilege being described is granted. <p>
     *
     * <li> The values of OBJECT_CATALOG, OBJECT_SCHEMA, and OBJECT_NAME are the
     *      catalog name, unqualified schema name, and qualified identifier,
     *      respectively, of the object to which the privilege applies. <p>
     *
     * <li> The values of OBJECT_TYPE have the following meanings: <p>
     *
     *      <table border cellpadding="3">
     *          <tr>
     *              <td nowrap>DOMAIN</td>
     *              <td nowrap>The object to which the privilege applies is
     *                         a domain.</td>
     *          <tr>
     *          <tr>
     *              <td nowrap>CHARACTER SET</td>
     *              <td nowrap>The object to which the privilege applies is a
     *                         character set.</td>
     *          <tr>
     *          <tr>
     *              <td nowrap>COLLATION</td>
     *              <td nowrap>The object to which the privilege applies is a
     *                         collation.</td>
     *          <tr>
     *          <tr>
     *              <td nowrap>TRANSLATION</td>
     *              <td nowrap>The object to which the privilege applies is a
     *                         transliteration.</td>
     *          <tr>
     *          <tr>
     *              <td nowrap>SEQUENCE</td>
     *              <td nowrap>The object to which the privilege applies is a
     *                         sequence generator.</td>
     *          <tr>
     *      </table> <p>
     *
     * <li> The values of IS_GRANTABLE have the following meanings: <p>
     *
     *      <table border cellpadding="3">
     *          <tr>
     *              <td nowrap>YES</td>
     *              <td nowrap>The privilege being described was granted
     *                         WITH GRANT OPTION and is thus grantable.</td>
     *          <tr>
     *          <tr>
     *              <td nowrap>NO</td>
     *              <td nowrap>The privilege being described was not granted
     *                  WITH GRANT OPTION and is thus not grantable.</td>
     *          <tr>
     *      </table> <p>
     * <ol>
     *
     * @return Table
     */
Table USAGE_PRIVILEGES() {
    Table t = sysTables[USAGE_PRIVILEGES];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[USAGE_PRIVILEGES]);
        // not null
        addColumn(t, "GRANTOR", SQL_IDENTIFIER);
        // not null
        addColumn(t, "GRANTEE", SQL_IDENTIFIER);
        addColumn(t, "OBJECT_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "OBJECT_SCHEMA", SQL_IDENTIFIER);
        // not null
        addColumn(t, "OBJECT_NAME", SQL_IDENTIFIER);
        // not null
        addColumn(t, "OBJECT_TYPE", CHARACTER_DATA);
        addColumn(t, "PRIVILEGE_TYPE", CHARACTER_DATA);
        // not null
        addColumn(t, "IS_GRANTABLE", YES_OR_NO);
        // order: COLUMN_NAME, PRIVILEGE
        // for unique: GRANTEE, GRANTOR, TABLE_NAME, TABLE_SCHEM, TABLE_CAT
        // false PK, as TABLE_SCHEM and/or TABLE_CAT may be null
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[USAGE_PRIVILEGES].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2, 3, 4, 5, 6, 7 }, false);
        return t;
    }
    //
    Object[] row;
    //
    final int grantor = 0;
    final int grantee = 1;
    final int object_catalog = 2;
    final int object_schema = 3;
    final int object_name = 4;
    final int object_type = 5;
    final int privilege_type = 6;
    final int is_grantable = 7;
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    Iterator objects = new WrapperIterator(database.schemaManager.databaseObjectIterator(SchemaObject.SEQUENCE), database.schemaManager.databaseObjectIterator(SchemaObject.COLLATION));
    objects = new WrapperIterator(objects, database.schemaManager.databaseObjectIterator(SchemaObject.CHARSET));
    objects = new WrapperIterator(objects, database.schemaManager.databaseObjectIterator(SchemaObject.DOMAIN));
    /*
        objects = new WrapperIterator(
            objects,
            database.schemaManager.databaseObjectIterator(SchemaObject.TYPE));
*/
    OrderedHashSet grantees = session.getGrantee().getGranteeAndAllRolesWithPublic();
    while (objects.hasNext()) {
        SchemaObject object = (SchemaObject) objects.next();
        for (int i = 0; i < grantees.size(); i++) {
            Grantee granteeObject = (Grantee) grantees.get(i);
            OrderedHashSet rights = granteeObject.getAllDirectPrivileges(object);
            OrderedHashSet grants = granteeObject.getAllGrantedPrivileges(object);
            if (!grants.isEmpty()) {
                grants.addAll(rights);
                rights = grants;
            }
            for (int j = 0; j < rights.size(); j++) {
                Right right = (Right) rights.get(j);
                Right grantableRight = right.getGrantableRights();
                row = t.getEmptyRowData();
                row[grantor] = right.getGrantor().getName().name;
                row[grantee] = right.getGrantee().getName().name;
                row[object_catalog] = database.getCatalogName().name;
                row[object_schema] = object.getSchemaName().name;
                row[object_name] = object.getName().name;
                row[object_type] = SchemaObjectSet.getName(object.getName().type);
                row[privilege_type] = Tokens.T_USAGE;
                row[is_grantable] = right.getGrantee() == object.getOwner() || grantableRight.isFull() ? Tokens.T_YES : Tokens.T_NO;
                ;
                try {
                    t.insertSys(store, row);
                } catch (HsqlException e) {
                }
            }
        }
    }
    return t;
}
Also used : SchemaObject(org.hsqldb_voltpatches.SchemaObject) Table(org.hsqldb_voltpatches.Table) TextTable(org.hsqldb_voltpatches.TextTable) Right(org.hsqldb_voltpatches.rights.Right) PersistentStore(org.hsqldb_voltpatches.persist.PersistentStore) WrapperIterator(org.hsqldb_voltpatches.lib.WrapperIterator) Constraint(org.hsqldb_voltpatches.Constraint) Grantee(org.hsqldb_voltpatches.rights.Grantee) Iterator(org.hsqldb_voltpatches.lib.Iterator) WrapperIterator(org.hsqldb_voltpatches.lib.WrapperIterator) OrderedHashSet(org.hsqldb_voltpatches.lib.OrderedHashSet) HsqlName(org.hsqldb_voltpatches.HsqlNameManager.HsqlName) SchemaObject(org.hsqldb_voltpatches.SchemaObject) HsqlException(org.hsqldb_voltpatches.HsqlException)

Example 57 with PersistentStore

use of org.hsqldb_voltpatches.persist.PersistentStore in project voltdb by VoltDB.

the class DatabaseInformationFull method PARAMETERS.

Table PARAMETERS() {
    Table t = sysTables[PARAMETERS];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[PARAMETERS]);
        addColumn(t, "SPECIFIC_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_NAME", SQL_IDENTIFIER);
        addColumn(t, "ORDINAL_POSITION", CARDINAL_NUMBER);
        addColumn(t, "IS_RESULT", YES_OR_NO);
        addColumn(t, "AS_LOCATOR", YES_OR_NO);
        addColumn(t, "PARAMETER_NAME", SQL_IDENTIFIER);
        //
        addColumn(t, "FROM_SQL_SPECIFIC_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "FROM_SQL_SPECIFIC_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "FROM_SQL_SPECIFIC_NAME", SQL_IDENTIFIER);
        //
        addColumn(t, "TO_SQL_SPECIFIC_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "TO_SQL_SPECIFIC_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "TO_SQL_SPECIFIC_NAME", SQL_IDENTIFIER);
        //
        addColumn(t, "DATA_TYPE", CHARACTER_DATA);
        addColumn(t, "CHARACTER_MAXIMUM_LENGTH", CARDINAL_NUMBER);
        addColumn(t, "CHARACTER_OCTET_LENGTH", CARDINAL_NUMBER);
        addColumn(t, "CHARACTER_SET_CATALOG", CHARACTER_DATA);
        addColumn(t, "CHARACTER_SET_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "CHARACTER_SET_NAME", SQL_IDENTIFIER);
        addColumn(t, "COLLATION_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "COLLATION_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "COLLATION_NAME", SQL_IDENTIFIER);
        addColumn(t, "NUMERIC_PRECISION", CARDINAL_NUMBER);
        addColumn(t, "NUMERIC_PRECISION_RADIX", CARDINAL_NUMBER);
        addColumn(t, "NUMERIC_SCALE", CARDINAL_NUMBER);
        addColumn(t, "DATETIME_PRECISION", CARDINAL_NUMBER);
        addColumn(t, "INTERVAL_TYPE", CHARACTER_DATA);
        addColumn(t, "INTERVAL_PRECISION", CARDINAL_NUMBER);
        addColumn(t, "UDT_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "UDT_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "UDT_NAME", SQL_IDENTIFIER);
        addColumn(t, "SCOPE_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "SCOPE_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "SCOPE_NAME", SQL_IDENTIFIER);
        // NULL
        addColumn(t, "MAXIMUM_CARDINALITY", CARDINAL_NUMBER);
        addColumn(t, "DTD_IDENTIFIER", SQL_IDENTIFIER);
        addColumn(t, "DECLARED_DATA_TYPE", CHARACTER_DATA);
        addColumn(t, "DECLARED_NUMERIC_PRECISION", CARDINAL_NUMBER);
        addColumn(t, "DECLARED_NUMERIC_SCALE", CARDINAL_NUMBER);
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[PARAMETERS].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2 }, false);
        return t;
    }
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // column number mappings
    final int specific_cat = 0;
    final int specific_schem = 1;
    final int specific_name = 2;
    final int ordinal_position = 3;
    final int is_result = 4;
    final int as_locator = 5;
    final int parameter_name = 6;
    final int from_specific_catalog = 7;
    final int from_specific_schema = 8;
    final int from_specific_name = 9;
    final int to_specific_catalog = 10;
    final int to_specific_schema = 11;
    final int to_specific_name = 12;
    final int data_type = 13;
    final int character_maximum_length = 14;
    final int character_octet_length = 15;
    final int character_set_catalog = 16;
    final int character_set_schema = 17;
    final int character_set_name = 18;
    final int collation_catalog = 19;
    final int collation_schema = 20;
    final int collation_name = 21;
    final int numeric_precision = 22;
    final int numeric_precision_radix = 23;
    final int numeric_scale = 24;
    final int datetime_precision = 25;
    final int interval_type = 26;
    final int interval_precision = 27;
    final int udt_catalog = 28;
    final int udt_schema = 29;
    final int udt_name = 30;
    final int scope_catalog = 31;
    final int scope_schema = 32;
    final int scope_name = 33;
    final int maximum_cardinality = 34;
    final int dtd_identifier = 35;
    final int declared_data_type = 36;
    final int declared_numeric_precision = 37;
    final int declared_numeric_scale = 38;
    return t;
}
Also used : Table(org.hsqldb_voltpatches.Table) TextTable(org.hsqldb_voltpatches.TextTable) PersistentStore(org.hsqldb_voltpatches.persist.PersistentStore) HsqlName(org.hsqldb_voltpatches.HsqlNameManager.HsqlName) Constraint(org.hsqldb_voltpatches.Constraint)

Example 58 with PersistentStore

use of org.hsqldb_voltpatches.persist.PersistentStore in project voltdb by VoltDB.

the class DatabaseInformationMain method SYSTEM_USERS.

/**
     * Retrieves a <code>Table</code> object describing the
     * visible <code>Users</code> defined within this database.
     * @return table containing information about the users defined within
     *      this database
     */
Table SYSTEM_USERS() {
    Table t = sysTables[SYSTEM_USERS];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[SYSTEM_USERS]);
        addColumn(t, "USER_NAME", SQL_IDENTIFIER);
        addColumn(t, "ADMIN", Type.SQL_BOOLEAN);
        addColumn(t, "INITIAL_SCHEMA", SQL_IDENTIFIER);
        // order: USER
        // true PK
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[SYSTEM_USERS].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0 }, true);
        return t;
    }
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // Intermediate holders
    HsqlArrayList users;
    User user;
    Object[] row;
    HsqlName initialSchema;
    // Initialization
    users = database.getUserManager().listVisibleUsers(session);
    // Do it.
    for (int i = 0; i < users.size(); i++) {
        row = t.getEmptyRowData();
        user = (User) users.get(i);
        initialSchema = user.getInitialSchema();
        row[0] = user.getNameString();
        row[1] = ValuePool.getBoolean(user.isAdmin());
        row[2] = ((initialSchema == null) ? null : initialSchema.name);
        t.insertSys(store, row);
    }
    return t;
}
Also used : Table(org.hsqldb_voltpatches.Table) User(org.hsqldb_voltpatches.rights.User) HsqlArrayList(org.hsqldb_voltpatches.lib.HsqlArrayList) PersistentStore(org.hsqldb_voltpatches.persist.PersistentStore) HsqlName(org.hsqldb_voltpatches.HsqlNameManager.HsqlName) SchemaObject(org.hsqldb_voltpatches.SchemaObject) Constraint(org.hsqldb_voltpatches.Constraint)

Example 59 with PersistentStore

use of org.hsqldb_voltpatches.persist.PersistentStore in project voltdb by VoltDB.

the class DatabaseInformationMain method SEQUENCES.

/**
     * The SEQUENCES view has one row for each external sequence
     * generator. <p>
     *
     * <b>Definition:</b> <p>
     *
     * <pre class="SqlCodeExample">
     *
     *      SEQUENCE_CATALOG     VARCHAR NULL,
     *      SEQUENCE_SCHEMA      VARCHAR NULL,
     *      SEQUENCE_NAME        VARCHAR NOT NULL,
     *      DATA_TYPE            CHARACTER_DATA
     *      DATA_TYPE            CHARACTER_DATA
     *      NUMERIC_PRECISION    CARDINAL_NUMBER
     *      NUMERIC_PRECISION_RADIX CARDINAL_NUMBER
     *      NUMERIC_SCALE        CARDINAL_NUMBER
     *      MAXIMUM_VALUE        VARCHAR NOT NULL,
     *      MINIMUM_VALUE        VARCHAR NOT NULL,
     *      INCREMENT            VARCHAR NOT NULL,
     *      CYCLE_OPTION         VARCHAR {'YES', 'NO'},
     *      START_WITH           VARCHAR NOT NULL,
     *      DECLARED_DATA_TYPE   CHARACTER_DATA
     *      DECLARED_NUMERIC_PRECISION CARDINAL_NUMBER
     *      DECLARED_NUMERIC_SCLAE     CARDINAL_NUMBER
     *
     * </pre>
     *
     * <b>DESCRIPTION:</b><p>
     *
     * <ol>
     * <li> The values of SEQUENCE_CATALOG, SEQUENCE_SCHEMA, and
     *      SEQUENCE_NAME are the catalog name, unqualified schema name,
     *      and qualified identifier, respectively, of the sequence generator
     *      being described. <p>
     *
     * <li> The values of SEQUENCE_CATALOG, SEQUENCE_SCHEMA, SEQUENCE_NAME, and
     *      DTD_IDENTIFIER are the values of OBJECT_CATALOG, OBJECT_SCHEMA,
     *      OBJECT_NAME, and DTD_IDENTIFIER, respectively, of the row in
     *      DATA_TYPE_DESCRIPTOR (not yet implemented) that describes the data
     *      type of the sequence generator. <p>
     *
     * <li> The values of MAXIMUM_VALUE, MINIMUM_VALUE, and INCREMENT are the
     *      character representations of maximum value, minimum value,
     *      and increment, respectively, of the sequence generator being
     *      described. <p>
     *
     * <li> The values of CYCLE_OPTION have the following meanings: <p>
     *
     *      <table border cellpadding="3">
     *          <tr>
     *              <td nowrap>YES</td>
     *              <td nowrap>The cycle option of the sequence generator
     *                         is CYCLE.</td>
     *          <tr>
     *              <td nowrap>NO</td>
     *              <td nowrap>The cycle option of the sequence generator is
     *                         NO CYCLE.</td>
     *          </tr>
     *      </table> <p>
     *
     * <li> The value of START_WITH is HSQLDB-specific (not in the SQL 200n
     *      spec).  <p>
     *
     *      It is the character representation of the START WITH value. <p>
     *
     * <li> The value of NEXT_VALUE is HSQLDB-specific (not in the SQL 200n)<p>
     *      This is the character representation of the value that
     *      would be generated by NEXT VALUE FOR when this sequence
     *      is materialized in an SQL statement. <p>
     * </ol>
     *
     * @return Table
     */
final Table SEQUENCES() {
    Table t = sysTables[SEQUENCES];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[SEQUENCES]);
        addColumn(t, "SEQUENCE_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "SEQUENCE_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "SEQUENCE_NAME", SQL_IDENTIFIER);
        addColumn(t, "DATA_TYPE", CHARACTER_DATA);
        addColumn(t, "NUMERIC_PRECISION", CARDINAL_NUMBER);
        addColumn(t, "NUMERIC_PRECISION_RADIX", CARDINAL_NUMBER);
        addColumn(t, "NUMERIC_SCALE", CARDINAL_NUMBER);
        addColumn(t, "MAXIMUM_VALUE", CHARACTER_DATA);
        addColumn(t, "MINIMUM_VALUE", CHARACTER_DATA);
        addColumn(t, "INCREMENT", CHARACTER_DATA);
        addColumn(t, "CYCLE_OPTION", YES_OR_NO);
        addColumn(t, "DECLARED_DATA_TYPE", CHARACTER_DATA);
        addColumn(t, "DECLARED_NUMERIC_PRECISION", CARDINAL_NUMBER);
        addColumn(t, "DECLARED_NUMERIC_SCLAE", CARDINAL_NUMBER);
        // HSQLDB-specific
        addColumn(t, "START_WITH", CHARACTER_DATA);
        addColumn(t, "NEXT_VALUE", CHARACTER_DATA);
        // order SEQUENCE_CATALOG, SEQUENCE_SCHEMA, SEQUENCE_NAME
        // false PK, as CATALOG may be null
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[SEQUENCES].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2 }, false);
        return t;
    }
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    //
    final int sequence_catalog = 0;
    final int sequence_schema = 1;
    final int sequence_name = 2;
    final int data_type = 3;
    final int numeric_precision = 4;
    final int numeric_precision_radix = 5;
    final int numeric_scale = 6;
    final int maximum_value = 7;
    final int minimum_value = 8;
    final int increment = 9;
    final int cycle_option = 10;
    final int declared_data_type = 11;
    final int declared_numeric_precision = 12;
    final int declared_numeric_scale = 13;
    final int start_with = 14;
    final int next_value = 15;
    //
    Iterator it;
    Object[] row;
    NumberSequence sequence;
    it = database.schemaManager.databaseObjectIterator(SchemaObject.SEQUENCE);
    while (it.hasNext()) {
        sequence = (NumberSequence) it.next();
        if (!session.getGrantee().isAccessible(sequence)) {
            continue;
        }
        row = t.getEmptyRowData();
        NumberType type = (NumberType) sequence.getDataType();
        int radix = (type.typeCode == Types.SQL_NUMERIC || type.typeCode == Types.SQL_DECIMAL) ? 10 : 2;
        row[sequence_catalog] = database.getCatalogName().name;
        row[sequence_schema] = sequence.getSchemaName().name;
        row[sequence_name] = sequence.getName().name;
        row[data_type] = sequence.getDataType().getFullNameString();
        row[numeric_precision] = ValuePool.getInt((int) type.getPrecision());
        row[numeric_precision_radix] = ValuePool.getInt(radix);
        row[numeric_scale] = ValuePool.INTEGER_0;
        row[maximum_value] = String.valueOf(sequence.getMaxValue());
        row[minimum_value] = String.valueOf(sequence.getMinValue());
        row[increment] = String.valueOf(sequence.getIncrement());
        row[cycle_option] = sequence.isCycle() ? "YES" : "NO";
        row[declared_data_type] = row[data_type];
        row[declared_numeric_precision] = row[numeric_precision];
        row[declared_numeric_scale] = row[declared_numeric_scale];
        row[start_with] = String.valueOf(sequence.getStartValue());
        row[next_value] = String.valueOf(sequence.peek());
        t.insertSys(store, row);
    }
    return t;
}
Also used : NumberType(org.hsqldb_voltpatches.types.NumberType) Table(org.hsqldb_voltpatches.Table) Iterator(org.hsqldb_voltpatches.lib.Iterator) WrapperIterator(org.hsqldb_voltpatches.lib.WrapperIterator) PersistentStore(org.hsqldb_voltpatches.persist.PersistentStore) NumberSequence(org.hsqldb_voltpatches.NumberSequence) HsqlName(org.hsqldb_voltpatches.HsqlNameManager.HsqlName) SchemaObject(org.hsqldb_voltpatches.SchemaObject) Constraint(org.hsqldb_voltpatches.Constraint)

Example 60 with PersistentStore

use of org.hsqldb_voltpatches.persist.PersistentStore in project voltdb by VoltDB.

the class DatabaseInformationMain method SYSTEM_CROSSREFERENCE.

/**
     * Retrieves a <code>Table</code> object describing, for each
     * accessible referencing and referenced table, how the referencing
     * tables import, for the purposes of referential integrity,
     * the columns of the referenced tables.<p>
     *
     * Each row is a foreign key column description with the following
     * columns: <p>
     *
     * <pre class="SqlCodeExample">
     * PKTABLE_CAT   VARCHAR   referenced table catalog
     * PKTABLE_SCHEM VARCHAR   referenced table schema
     * PKTABLE_NAME  VARCHAR   referenced table name
     * PKCOLUMN_NAME VARCHAR   referenced column name
     * FKTABLE_CAT   VARCHAR   referencing table catalog
     * FKTABLE_SCHEM VARCHAR   referencing table schema
     * FKTABLE_NAME  VARCHAR   referencing table name
     * FKCOLUMN_NAME VARCHAR   referencing column
     * KEY_SEQ       SMALLINT  sequence number within foreign key
     * UPDATE_RULE   SMALLINT
     *    { Cascade | Set Null | Set Default | Restrict (No Action)}?
     * DELETE_RULE   SMALLINT
     *    { Cascade | Set Null | Set Default | Restrict (No Action)}?
     * FK_NAME       VARCHAR   foreign key constraint name
     * PK_NAME       VARCHAR   primary key or unique constraint name
     * DEFERRABILITY SMALLINT
     *    { initially deferred | initially immediate | not deferrable }
     * </pre> <p>
     *
     * @return a <code>Table</code> object describing how accessible tables
     *      import other accessible tables' primary key and/or unique
     *      constraint columns
     */
final Table SYSTEM_CROSSREFERENCE() {
    Table t = sysTables[SYSTEM_CROSSREFERENCE];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[SYSTEM_CROSSREFERENCE]);
        addColumn(t, "PKTABLE_CAT", SQL_IDENTIFIER);
        addColumn(t, "PKTABLE_SCHEM", SQL_IDENTIFIER);
        // not null
        addColumn(t, "PKTABLE_NAME", SQL_IDENTIFIER);
        // not null
        addColumn(t, "PKCOLUMN_NAME", SQL_IDENTIFIER);
        addColumn(t, "FKTABLE_CAT", SQL_IDENTIFIER);
        addColumn(t, "FKTABLE_SCHEM", SQL_IDENTIFIER);
        // not null
        addColumn(t, "FKTABLE_NAME", SQL_IDENTIFIER);
        // not null
        addColumn(t, "FKCOLUMN_NAME", SQL_IDENTIFIER);
        // not null
        addColumn(t, "KEY_SEQ", Type.SQL_SMALLINT);
        // not null
        addColumn(t, "UPDATE_RULE", Type.SQL_SMALLINT);
        // not null
        addColumn(t, "DELETE_RULE", Type.SQL_SMALLINT);
        addColumn(t, "FK_NAME", SQL_IDENTIFIER);
        addColumn(t, "PK_NAME", SQL_IDENTIFIER);
        // not null
        addColumn(t, "DEFERRABILITY", Type.SQL_SMALLINT);
        // order: FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ
        // added for unique: FK_NAME
        // false PK, as FKTABLE_CAT, FKTABLE_SCHEM and/or FK_NAME
        // may be null
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[SYSTEM_CROSSREFERENCE].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 4, 5, 6, 8, 11 }, false);
        return t;
    }
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // calculated column values
    String pkTableCatalog;
    String pkTableSchema;
    String pkTableName;
    String pkColumnName;
    String fkTableCatalog;
    String fkTableSchema;
    String fkTableName;
    String fkColumnName;
    Integer keySequence;
    Integer updateRule;
    Integer deleteRule;
    String fkName;
    String pkName;
    Integer deferrability;
    // Intermediate holders
    Iterator tables;
    Table table;
    Table fkTable;
    Table pkTable;
    int columnCount;
    int[] mainCols;
    int[] refCols;
    Constraint[] constraints;
    Constraint constraint;
    int constraintCount;
    HsqlArrayList fkConstraintsList;
    Object[] row;
    DITableInfo pkInfo;
    DITableInfo fkInfo;
    // column number mappings
    final int ipk_table_cat = 0;
    final int ipk_table_schem = 1;
    final int ipk_table_name = 2;
    final int ipk_column_name = 3;
    final int ifk_table_cat = 4;
    final int ifk_table_schem = 5;
    final int ifk_table_name = 6;
    final int ifk_column_name = 7;
    final int ikey_seq = 8;
    final int iupdate_rule = 9;
    final int idelete_rule = 10;
    final int ifk_name = 11;
    final int ipk_name = 12;
    final int ideferrability = 13;
    tables = database.schemaManager.databaseObjectIterator(SchemaObject.TABLE);
    pkInfo = new DITableInfo();
    fkInfo = new DITableInfo();
    // We must consider all the constraints in all the user tables, since
    // this is where reference relationships are recorded.  However, we
    // are only concerned with Constraint.FOREIGN_KEY constraints here
    // because their corresponing Constraint.MAIN entries are essentially
    // duplicate data recorded in the referenced rather than the
    // referencing table.  Also, we skip constraints where either
    // the referenced, referencing or both tables are not accessible
    // relative to the session of the calling context
    fkConstraintsList = new HsqlArrayList();
    while (tables.hasNext()) {
        table = (Table) tables.next();
        if (table.isView() || !isAccessibleTable(table)) {
            continue;
        }
        constraints = table.getConstraints();
        constraintCount = constraints.length;
        for (int i = 0; i < constraintCount; i++) {
            constraint = (Constraint) constraints[i];
            if (constraint.getConstraintType() == Constraint.FOREIGN_KEY && isAccessibleTable(constraint.getRef())) {
                fkConstraintsList.add(constraint);
            }
        }
    }
    // Do it.
    for (int i = 0; i < fkConstraintsList.size(); i++) {
        constraint = (Constraint) fkConstraintsList.get(i);
        pkTable = constraint.getMain();
        pkInfo.setTable(pkTable);
        pkTableName = pkInfo.getName();
        fkTable = constraint.getRef();
        fkInfo.setTable(fkTable);
        fkTableName = fkInfo.getName();
        pkTableCatalog = pkTable.getCatalogName().name;
        pkTableSchema = pkTable.getSchemaName().name;
        fkTableCatalog = fkTable.getCatalogName().name;
        fkTableSchema = fkTable.getSchemaName().name;
        mainCols = constraint.getMainColumns();
        refCols = constraint.getRefColumns();
        columnCount = refCols.length;
        fkName = constraint.getRefName().name;
        pkName = constraint.getMainName().name;
        deferrability = ValuePool.getInt(constraint.getDeferability());
        //pkName = constraint.getMainIndex().getName().name;
        deleteRule = ValuePool.getInt(constraint.getDeleteAction());
        updateRule = ValuePool.getInt(constraint.getUpdateAction());
        for (int j = 0; j < columnCount; j++) {
            keySequence = ValuePool.getInt(j + 1);
            pkColumnName = pkInfo.getColName(mainCols[j]);
            fkColumnName = fkInfo.getColName(refCols[j]);
            row = t.getEmptyRowData();
            row[ipk_table_cat] = pkTableCatalog;
            row[ipk_table_schem] = pkTableSchema;
            row[ipk_table_name] = pkTableName;
            row[ipk_column_name] = pkColumnName;
            row[ifk_table_cat] = fkTableCatalog;
            row[ifk_table_schem] = fkTableSchema;
            row[ifk_table_name] = fkTableName;
            row[ifk_column_name] = fkColumnName;
            row[ikey_seq] = keySequence;
            row[iupdate_rule] = updateRule;
            row[idelete_rule] = deleteRule;
            row[ifk_name] = fkName;
            row[ipk_name] = pkName;
            row[ideferrability] = deferrability;
            t.insertSys(store, row);
        }
    }
    return t;
}
Also used : Table(org.hsqldb_voltpatches.Table) HsqlArrayList(org.hsqldb_voltpatches.lib.HsqlArrayList) Constraint(org.hsqldb_voltpatches.Constraint) PersistentStore(org.hsqldb_voltpatches.persist.PersistentStore) Constraint(org.hsqldb_voltpatches.Constraint) Iterator(org.hsqldb_voltpatches.lib.Iterator) WrapperIterator(org.hsqldb_voltpatches.lib.WrapperIterator) HsqlName(org.hsqldb_voltpatches.HsqlNameManager.HsqlName) SchemaObject(org.hsqldb_voltpatches.SchemaObject)

Aggregations

PersistentStore (org.hsqldb_voltpatches.persist.PersistentStore)103 Table (org.hsqldb_voltpatches.Table)74 HsqlName (org.hsqldb_voltpatches.HsqlNameManager.HsqlName)73 SchemaObject (org.hsqldb_voltpatches.SchemaObject)59 Constraint (org.hsqldb_voltpatches.Constraint)57 TextTable (org.hsqldb_voltpatches.TextTable)56 Iterator (org.hsqldb_voltpatches.lib.Iterator)51 WrapperIterator (org.hsqldb_voltpatches.lib.WrapperIterator)51 OrderedHashSet (org.hsqldb_voltpatches.lib.OrderedHashSet)20 HsqlException (org.hsqldb_voltpatches.HsqlException)19 Session (org.hsqldb_voltpatches.Session)16 Result (org.hsqldb_voltpatches.result.Result)16 NumberType (org.hsqldb_voltpatches.types.NumberType)10 Grantee (org.hsqldb_voltpatches.rights.Grantee)8 Type (org.hsqldb_voltpatches.types.Type)8 Routine (org.hsqldb_voltpatches.Routine)7 RoutineSchema (org.hsqldb_voltpatches.RoutineSchema)7 CachedObject (org.hsqldb_voltpatches.persist.CachedObject)7 TriggerDef (org.hsqldb_voltpatches.TriggerDef)6 CharacterType (org.hsqldb_voltpatches.types.CharacterType)6