Examples with PersistentStore org.hsqldb_voltpatches.persist.PersistentStore used on opensource projects

Example 36 with PersistentStore

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

the class DatabaseInformationFull method COLLATIONS.

/**
     * COLLATIONS<p>
     *
     * <b>Function<b><p>
     *
     * The COLLATIONS view has one row for each character collation
     * descriptor. <p>
     *
     * <b>Definition</b>
     *
     * <pre class="SqlCodeExample">
     * CREATE TABLE COLLATIONS (
     *      COLLATION_CATALOG INFORMATION_SCHEMA.SQL_IDENTIFIER,
     *      COLLATION_SCHEMA INFORMATION_SCHEMA.SQL_IDENTIFIER,
     *      COLLATION_NAME INFORMATION_SCHEMA.SQL_IDENTIFIER,
     *      PAD_ATTRIBUTE INFORMATION_SCHEMA.CHARACTER_DATA
     *          CONSTRAINT COLLATIONS_PAD_ATTRIBUTE_CHECK
     *              CHECK ( PAD_ATTRIBUTE IN
     *                  ( 'NO PAD', 'PAD SPACE' ) )
     * )
     * </pre>
     *
     * <b>Description</b><p>
     *
     * <ol>
     *      <li>The values of COLLATION_CATALOG, COLLATION_SCHEMA, and
     *          COLLATION_NAME are the catalog name, unqualified schema name,
     *          and qualified identifier, respectively, of the collation being
     *          described.<p>
     *
     *      <li>The values of PAD_ATTRIBUTE have the following meanings:<p>
     *
     *      <table border cellpadding="3">
     *          <tr>
     *              <td nowrap>NO PAD</td>
     *              <td nowrap>The collation being described has the NO PAD
     *                  characteristic.</td>
     *          <tr>
     *          <tr>
     *              <td nowrap>PAD</td>
     *              <td nowrap>The collation being described has the PAD SPACE
     *                         characteristic.</td>
     *          <tr>
     *      </table> <p>
     * </ol>
     *
     * @return Table
     */
Table COLLATIONS() {
    Table t = sysTables[COLLATIONS];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[COLLATIONS]);
        addColumn(t, "COLLATION_CATALOG", SQL_IDENTIFIER);
        // not null
        addColumn(t, "COLLATION_SCHEMA", SQL_IDENTIFIER);
        // not null
        addColumn(t, "COLLATION_NAME", SQL_IDENTIFIER);
        addColumn(t, "PAD_ATTRIBUTE", CHARACTER_DATA);
        // false PK, as rows may have NULL COLLATION_CATALOG
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[COLLATIONS].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2 }, false);
        return t;
    }
    // Column number mappings
    final int collation_catalog = 0;
    final int collation_schema = 1;
    final int collation_name = 2;
    final int pad_attribute = 3;
    //
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // Intermediate holders
    Iterator collations;
    String collation;
    String collationSchema = SqlInvariants.PUBLIC_SCHEMA;
    String padAttribute = "NO PAD";
    Object[] row;
    // Initialization
    collations = Collation.nameToJavaName.keySet().iterator();
    // Do it.
    while (collations.hasNext()) {
        row = t.getEmptyRowData();
        collation = (String) collations.next();
        row[collation_catalog] = database.getCatalogName().name;
        row[collation_schema] = collationSchema;
        row[collation_name] = collation;
        row[pad_attribute] = padAttribute;
        t.insertSys(store, row);
    }
    return t;
}

Example 37 with PersistentStore

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

the class DatabaseInformationFull method COLUMNS.

Table COLUMNS() {
    Table t = sysTables[COLUMNS];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[COLUMNS]);
        //0
        addColumn(t, "TABLE_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "TABLE_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "TABLE_NAME", SQL_IDENTIFIER);
        addColumn(t, "COLUMN_NAME", SQL_IDENTIFIER);
        addColumn(t, "ORDINAL_POSITION", CARDINAL_NUMBER);
        addColumn(t, "COLUMN_DEFAULT", CHARACTER_DATA);
        addColumn(t, "IS_NULLABLE", YES_OR_NO);
        addColumn(t, "DATA_TYPE", CHARACTER_DATA);
        addColumn(t, "CHARACTER_MAXIMUM_LENGTH", CARDINAL_NUMBER);
        addColumn(t, "CHARACTER_OCTET_LENGTH", CARDINAL_NUMBER);
        //10
        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, "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);
        //20
        addColumn(t, "COLLATION_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "COLLATION_NAME", SQL_IDENTIFIER);
        addColumn(t, "DOMAIN_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "DOMAIN_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "DOMAIN_NAME", SQL_IDENTIFIER);
        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);
        //30
        addColumn(t, "SCOPE_NAME", SQL_IDENTIFIER);
        // NULL (only for array tyes)
        addColumn(t, "MAXIMUM_CARDINALITY", CARDINAL_NUMBER);
        addColumn(t, "DTD_IDENTIFIER", SQL_IDENTIFIER);
        addColumn(t, "IS_SELF_REFERENCING", YES_OR_NO);
        addColumn(t, "IS_IDENTITY", YES_OR_NO);
        // ALLWAYS / BY DEFAULT
        addColumn(t, "IDENTITY_GENERATION", CHARACTER_DATA);
        addColumn(t, "IDENTITY_START", CHARACTER_DATA);
        addColumn(t, "IDENTITY_INCREMENT", CHARACTER_DATA);
        addColumn(t, "IDENTITY_MAXIMUM", CHARACTER_DATA);
        addColumn(t, "IDENTITY_MINIMUM", CHARACTER_DATA);
        //40
        addColumn(t, "IDENTITY_CYCLE", YES_OR_NO);
        // ALLWAYS / NEVER
        addColumn(t, "IS_GENERATED", CHARACTER_DATA);
        addColumn(t, "GENERATION_EXPRESSION", CHARACTER_DATA);
        addColumn(t, "IS_UPDATABLE", YES_OR_NO);
        addColumn(t, "DECLARED_DATA_TYPE", CHARACTER_DATA);
        addColumn(t, "DECLARED_NUMERIC_PRECISION", CARDINAL_NUMBER);
        addColumn(t, "DECLARED_NUMERIC_SCALE", CARDINAL_NUMBER);
        // order: TABLE_SCHEM, TABLE_NAME, ORDINAL_POSITION
        // added for unique: TABLE_CAT
        // false PK, as TABLE_SCHEM and/or TABLE_CAT may be null
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[COLUMNS].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 3, 2, 1, 4 }, false);
        return t;
    }
    // column number mappings
    final int table_cat = 0;
    final int table_schem = 1;
    final int table_name = 2;
    final int column_name = 3;
    final int ordinal_position = 4;
    final int column_default = 5;
    final int is_nullable = 6;
    final int data_type = 7;
    final int character_maximum_length = 8;
    final int character_octet_length = 9;
    final int numeric_precision = 10;
    final int numeric_precision_radix = 11;
    final int numeric_scale = 12;
    final int datetime_precision = 13;
    final int interval_type = 14;
    final int interval_precision = 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 domain_catalog = 22;
    final int domain_schema = 23;
    final int domain_name = 24;
    final int udt_catalog = 25;
    final int udt_schema = 26;
    final int udt_name = 27;
    final int scope_catalog = 28;
    final int scope_schema = 29;
    final int scope_name = 30;
    final int maximum_cardinality = 31;
    final int dtd_identifier = 32;
    final int is_self_referencing = 33;
    final int is_identity = 34;
    final int identity_generation = 35;
    final int identity_start = 36;
    final int identity_increment = 37;
    final int identity_maximum = 38;
    final int identity_minimum = 39;
    final int identity_cycle = 40;
    final int is_generated = 41;
    final int generation_expression = 42;
    final int is_updatable = 43;
    final int declared_data_type = 44;
    final int declared_numeric_precision = 45;
    final int declared_numeric_scale = 46;
    //
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // intermediate holders
    int columnCount;
    Iterator tables;
    Table table;
    Object[] row;
    DITableInfo ti;
    OrderedHashSet columnList;
    Type type;
    // Initialization
    tables = allTables();
    ti = new DITableInfo();
    while (tables.hasNext()) {
        table = (Table) tables.next();
        columnList = session.getGrantee().getColumnsForAllPrivileges(table);
        if (columnList.isEmpty()) {
            continue;
        }
        ti.setTable(table);
        columnCount = table.getColumnCount();
        for (int i = 0; i < columnCount; i++) {
            ColumnSchema column = table.getColumn(i);
            type = column.getDataType();
            if (!columnList.contains(column.getName())) {
                continue;
            }
            row = t.getEmptyRowData();
            row[table_cat] = table.getCatalogName().name;
            row[table_schem] = table.getSchemaName().name;
            row[table_name] = table.getName().name;
            row[column_name] = column.getName().name;
            row[ordinal_position] = ValuePool.getInt(i + 1);
            row[column_default] = column.getDefaultSQL();
            row[is_nullable] = column.isNullable() ? "YES" : "NO";
            row[data_type] = type.getFullNameString();
            if (type.isCharacterType()) {
                row[character_maximum_length] = ValuePool.getLong(type.precision);
                row[character_octet_length] = ValuePool.getLong(type.precision * 2);
                row[character_set_catalog] = database.getCatalogName().name;
                row[character_set_schema] = ((CharacterType) type).getCharacterSet().getSchemaName().name;
                row[character_set_name] = ((CharacterType) type).getCharacterSet().getName().name;
                row[collation_catalog] = database.getCatalogName().name;
                row[collation_schema] = ((CharacterType) type).getCollation().getSchemaName().name;
                row[collation_name] = ((CharacterType) type).getCollation().getName().name;
            }
            if (type.isBinaryType()) {
                row[character_maximum_length] = ValuePool.getLong(type.precision);
                row[character_octet_length] = ValuePool.getLong(type.precision);
            }
            if (type.isNumberType()) {
                row[numeric_precision] = ValuePool.getLong(type.precision);
                row[numeric_precision_radix] = ValuePool.getLong(((NumberType) type).getPrecisionRadix());
                row[numeric_scale] = ValuePool.getLong(type.scale);
            }
            if (type.isDateTimeType()) {
                row[datetime_precision] = ValuePool.getLong(type.scale);
            }
            if (type.isIntervalType()) {
                row[interval_type] = IntervalType.getQualifier(type.typeCode);
                row[interval_precision] = ValuePool.getLong(type.precision);
                row[datetime_precision] = ValuePool.getLong(type.scale);
            }
            if (type.isDomainType()) {
                row[domain_catalog] = database.getCatalogName().name;
                row[domain_schema] = type.getSchemaName().name;
                row[domain_name] = type.getName().name;
            }
            if (type.isDistinctType()) {
                row[udt_catalog] = database.getCatalogName().name;
                row[udt_schema] = type.getSchemaName().name;
                row[udt_name] = type.getName().name;
            }
            row[scope_catalog] = null;
            row[scope_schema] = null;
            row[scope_name] = null;
            row[maximum_cardinality] = null;
            row[dtd_identifier] = null;
            row[is_self_referencing] = null;
            row[is_identity] = column.isIdentity() ? "YES" : "NO";
            if (column.isIdentity()) {
                NumberSequence sequence = column.getIdentitySequence();
                row[identity_generation] = sequence.isAlways() ? "ALWAYS" : "BY DEFAULT";
                row[identity_start] = Long.toString(sequence.getStartValue());
                row[identity_increment] = Long.toString(sequence.getIncrement());
                row[identity_maximum] = Long.toString(sequence.getMaxValue());
                row[identity_minimum] = Long.toString(sequence.getMinValue());
                row[identity_cycle] = sequence.isCycle() ? "YES" : "NO";
            }
            row[is_generated] = "NEVER";
            row[generation_expression] = null;
            row[is_updatable] = table.isWritable() ? "YES" : "NO";
            row[declared_data_type] = row[data_type];
            if (type.isNumberType()) {
                row[declared_numeric_precision] = row[numeric_precision];
                row[declared_numeric_scale] = row[numeric_scale];
            }
            t.insertSys(store, row);
        }
    }
    return t;
}

Example 38 with PersistentStore

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

the class DatabaseInformationFull method SYSTEM_SESSIONS.

/**
     * Retrieves a <code>Table</code> object describing all visible
     * sessions. ADMIN users see *all* sessions
     * while non-admin users see only their own session.<p>
     *
     * Each row is a session state description with the following columns: <p>
     *
     * <pre class="SqlCodeExample">
     * SESSION_ID         INTEGER   session identifier
     * CONNECTED          TIMESTAMP time at which session was created
     * USER_NAME          VARCHAR   db user name of current session user
     * IS_ADMIN           BOOLEAN   is session user an admin user?
     * AUTOCOMMIT         BOOLEAN   is session in autocommit mode?
     * READONLY           BOOLEAN   is session in read-only mode?
     * MAXROWS            INTEGER   session's MAXROWS setting
     * LAST_IDENTITY      INTEGER   last identity value used by this session
     * TRANSACTION_SIZE   INTEGER   # of undo items in current transaction
     * SCHEMA             VARCHAR   current schema for session
     * </pre> <p>
     *
     * @return a <code>Table</code> object describing all visible
     *      sessions
     */
Table SYSTEM_SESSIONS() {
    Table t = sysTables[SYSTEM_SESSIONS];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[SYSTEM_SESSIONS]);
        addColumn(t, "SESSION_ID", CARDINAL_NUMBER);
        addColumn(t, "CONNECTED", TIME_STAMP);
        addColumn(t, "USER_NAME", SQL_IDENTIFIER);
        addColumn(t, "IS_ADMIN", Type.SQL_BOOLEAN);
        addColumn(t, "AUTOCOMMIT", Type.SQL_BOOLEAN);
        addColumn(t, "READONLY", Type.SQL_BOOLEAN);
        addColumn(t, "MAXROWS", CARDINAL_NUMBER);
        // Note: some sessions may have a NULL LAST_IDENTITY value
        addColumn(t, "LAST_IDENTITY", CARDINAL_NUMBER);
        addColumn(t, "TRANSACTION_SIZE", CARDINAL_NUMBER);
        addColumn(t, "SCHEMA", SQL_IDENTIFIER);
        // order:  SESSION_ID
        // true primary key
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[SYSTEM_SESSIONS].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0 }, true);
        return t;
    }
    // column number mappings
    final int isid = 0;
    final int ict = 1;
    final int iuname = 2;
    final int iis_admin = 3;
    final int iautocmt = 4;
    final int ireadonly = 5;
    final int imaxrows = 6;
    final int ilast_id = 7;
    final int it_size = 8;
    final int it_schema = 9;
    //
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // intermediate holders
    Session[] sessions;
    Session s;
    Object[] row;
    // Initialisation
    sessions = ns.listVisibleSessions(session);
    // Do it.
    for (int i = 0; i < sessions.length; i++) {
        s = sessions[i];
        row = t.getEmptyRowData();
        row[isid] = ValuePool.getLong(s.getId());
        row[ict] = new TimestampData(s.getConnectTime() / 1000);
        row[iuname] = s.getUsername();
        row[iis_admin] = ValuePool.getBoolean(s.isAdmin());
        row[iautocmt] = ValuePool.getBoolean(s.isAutoCommit());
        row[ireadonly] = ValuePool.getBoolean(s.isReadOnlyDefault());
        row[imaxrows] = ValuePool.getInt(s.getSQLMaxRows());
        row[ilast_id] = ValuePool.getLong(((Number) s.getLastIdentity()).longValue());
        row[it_size] = ValuePool.getInt(s.getTransactionSize());
        row[it_schema] = s.getCurrentSchemaHsqlName().name;
        t.insertSys(store, row);
    }
    return t;
}

Example 39 with PersistentStore

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

the class DatabaseInformationFull method JARS.

Table JARS() {
    Table t = sysTables[JARS];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[JARS]);
        addColumn(t, "JAR_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "JAR_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "JAR_NAME", SQL_IDENTIFIER);
        addColumn(t, "JAR_PATH", CHARACTER_DATA);
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[JARS].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2, 3 }, false);
        return t;
    }
    // column number mappings
    final int jar_catalog = 0;
    final int jar_schema = 1;
    final int jar_name = 2;
    final int jar_path = 3;
    //
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    Iterator it;
    Object[] row;
    return t;
}

Example 40 with PersistentStore

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

the class Constraint method checkHasMainRef.

/**
     * For the candidate table row, finds any referring node in the main table.
     * This is used to check referential integrity when updating a node. We
     * have to make sure that the main table still holds a valid main record.
     * returns true If a valid row is found, false if there are null in the data
     * Otherwise a 'INTEGRITY VIOLATION' Exception gets thrown.
     */
boolean checkHasMainRef(Session session, Object[] row) {
    if (ArrayUtil.hasNull(row, core.refCols)) {
        return false;
    }
    PersistentStore store = session.sessionData.getRowStore(core.mainTable);
    boolean exists = core.mainIndex.exists(session, store, row, core.refCols);
    if (!exists) {
        String[] info = new String[] { core.refName.name, core.mainTable.getName().name };
        throw Error.error(ErrorCode.X_23502, ErrorCode.CONSTRAINT, info);
    }
    return exists;
}