Examples with Iterator org.hsqldb_voltpatches.lib.Iterator used on opensource projects

Example 61 with Iterator

use of org.hsqldb_voltpatches.lib.Iterator in project voltdb by VoltDB.

the class DatabaseInformationFull method SYSTEM_TEXTTABLES.

/**
     * Retrieves a <code>Table</code> object describing the TEXT TABLE objects
     * defined within this database. The table contains one row for each row
     * in the SYSTEM_TABLES table with a HSQLDB_TYPE of  TEXT . <p>
     *
     * Each row is a description of the attributes that defines its TEXT TABLE,
     * with the following columns:
     *
     * <pre class="SqlCodeExample">
     * TABLE_CAT                 VARCHAR   table's catalog name
     * TABLE_SCHEM               VARCHAR   table's simple schema name
     * TABLE_NAME                VARCHAR   table's simple name
     * DATA_SOURCE_DEFINITION    VARCHAR   the "spec" proption of the table's
     *                                     SET TABLE ... SOURCE DDL declaration
     * FILE_PATH                 VARCHAR   absolute file path.
     * FILE_ENCODING             VARCHAR   endcoding of table's text file
     * FIELD_SEPARATOR           VARCHAR   default field separator
     * VARCHAR_SEPARATOR         VARCAHR   varchar field separator
     * LONGVARCHAR_SEPARATOR     VARCHAR   longvarchar field separator
     * IS_IGNORE_FIRST           BOOLEAN   ignores first line of file?
     * IS_QUOTED                 BOOLEAN   fields are quoted if necessary?
     * IS_ALL_QUOTED             BOOLEAN   all fields are quoted?
     * IS_DESC                   BOOLEAN   read rows starting at end of file?
     * </pre> <p>
     *
     * @return a <code>Table</code> object describing the text attributes
     * of the accessible text tables defined within this database
     *
     */
Table SYSTEM_TEXTTABLES() {
    Table t = sysTables[SYSTEM_TEXTTABLES];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[SYSTEM_TEXTTABLES]);
        addColumn(t, "TABLE_CAT", SQL_IDENTIFIER);
        addColumn(t, "TABLE_SCHEM", SQL_IDENTIFIER);
        // not null
        addColumn(t, "TABLE_NAME", SQL_IDENTIFIER);
        addColumn(t, "DATA_SOURCE_DEFINTION", CHARACTER_DATA);
        addColumn(t, "FILE_PATH", CHARACTER_DATA);
        addColumn(t, "FILE_ENCODING", CHARACTER_DATA);
        addColumn(t, "FIELD_SEPARATOR", CHARACTER_DATA);
        addColumn(t, "VARCHAR_SEPARATOR", CHARACTER_DATA);
        addColumn(t, "LONGVARCHAR_SEPARATOR", CHARACTER_DATA);
        addColumn(t, "IS_IGNORE_FIRST", Type.SQL_BOOLEAN);
        addColumn(t, "IS_ALL_QUOTED", Type.SQL_BOOLEAN);
        addColumn(t, "IS_QUOTED", Type.SQL_BOOLEAN);
        addColumn(t, "IS_DESC", Type.SQL_BOOLEAN);
        // ------------------------------------------------------------
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[SYSTEM_TEXTTABLES].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2 }, false);
        return t;
    }
    // column number mappings
    final int itable_cat = 0;
    final int itable_schem = 1;
    final int itable_name = 2;
    final int idsd = 3;
    final int ifile_path = 4;
    final int ifile_enc = 5;
    final int ifs = 6;
    final int ivfs = 7;
    final int ilvfs = 8;
    final int iif = 9;
    final int iiq = 10;
    final int iiaq = 11;
    final int iid = 12;
    //
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // intermediate holders
    Iterator tables;
    Table table;
    Object[] row;
    // Initialization
    tables = database.schemaManager.databaseObjectIterator(SchemaObject.TABLE);
    // Do it.
    while (tables.hasNext()) {
        table = (Table) tables.next();
        PersistentStore currentStore = database.persistentStoreCollection.getStore(t);
        if (!table.isText() || !isAccessibleTable(table)) {
            continue;
        }
        row = t.getEmptyRowData();
        row[itable_cat] = database.getCatalogName().name;
        row[itable_schem] = table.getSchemaName().name;
        row[itable_name] = table.getName().name;
        row[idsd] = ((TextTable) table).getDataSource();
        TextCache cache = (TextCache) currentStore.getCache();
        if (cache != null) {
            row[ifile_path] = FileUtil.getDefaultInstance().canonicalOrAbsolutePath(cache.getFileName());
            row[ifile_enc] = cache.stringEncoding;
            row[ifs] = cache.fs;
            row[ivfs] = cache.vs;
            row[ilvfs] = cache.lvs;
            row[iif] = ValuePool.getBoolean(cache.ignoreFirst);
            row[iiq] = ValuePool.getBoolean(cache.isQuoted);
            row[iiaq] = ValuePool.getBoolean(cache.isAllQuoted);
            row[iid] = ((TextTable) table).isDescDataSource() ? Boolean.TRUE : Boolean.FALSE;
        }
        t.insertSys(store, row);
    }
    return t;
}

Example 62 with Iterator

use of org.hsqldb_voltpatches.lib.Iterator in project voltdb by VoltDB.

the class DatabaseInformationFull method KEY_COLUMN_USAGE.

/**
     * Retrieves a <code>Table</code> object describing the
     * primary key and unique constraint columns of each accessible table
     * defined within this database. <p>
     *
     * Each row is a PRIMARY KEY or UNIQUE column description with the following
     * columns: <p>
     *
     * <pre class="SqlCodeExample">
     * CONSTRAINT_CATALOG              VARCHAR NULL,
     * CONSTRAINT_SCHEMA               VARCHAR NULL,
     * CONSTRAINT_NAME                 VARCHAR NOT NULL,
     * TABLE_CATALOG                   VARCHAR   table catalog
     * TABLE_SCHEMA                    VARCHAR   table schema
     * TABLE_NAME                      VARCHAR   table name
     * COLUMN_NAME                     VARCHAR   column name
     * ORDINAL_POSITION                INT
     * POSITION_IN_UNIQUE_CONSTRAINT   INT
     * </pre> <p>
     *
     * @return a <code>Table</code> object describing the visible
     *        primary key and unique columns of each accessible table
     *        defined within this database.
     */
Table KEY_COLUMN_USAGE() {
    Table t = sysTables[KEY_COLUMN_USAGE];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[KEY_COLUMN_USAGE]);
        addColumn(t, "CONSTRAINT_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "CONSTRAINT_SCHEMA", SQL_IDENTIFIER);
        // not null
        addColumn(t, "CONSTRAINT_NAME", SQL_IDENTIFIER);
        addColumn(t, "TABLE_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "TABLE_SCHEMA", SQL_IDENTIFIER);
        // not null
        addColumn(t, "TABLE_NAME", SQL_IDENTIFIER);
        // not null
        addColumn(t, "COLUMN_NAME", SQL_IDENTIFIER);
        // not null
        addColumn(t, "ORDINAL_POSITION", CARDINAL_NUMBER);
        // not null
        addColumn(t, "POSITION_IN_UNIQUE_CONSTRAINT", CARDINAL_NUMBER);
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[KEY_COLUMN_USAGE].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 2, 1, 0, 6, 7 }, false);
        return t;
    }
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // Intermediate holders
    Iterator tables;
    Object[] row;
    // column number mappings
    final int constraint_catalog = 0;
    final int constraint_schema = 1;
    final int constraint_name = 2;
    final int table_catalog = 3;
    final int table_schema = 4;
    final int table_name = 5;
    final int column_name = 6;
    final int ordinal_position = 7;
    final int position_in_unique_constraint = 8;
    // Initialization
    tables = database.schemaManager.databaseObjectIterator(SchemaObject.TABLE);
    while (tables.hasNext()) {
        Table table = (Table) tables.next();
        String tableCatalog = database.getCatalogName().name;
        String tableSchema = table.getSchemaName().name;
        String tableName = table.getName().name;
        /** @todo - requires access to the actual columns */
        if (table.isView() || !isAccessibleTable(table)) {
            continue;
        }
        Constraint[] constraints = table.getConstraints();
        for (int i = 0; i < constraints.length; i++) {
            Constraint constraint = constraints[i];
            if (constraint.getConstraintType() == Constraint.PRIMARY_KEY || constraint.getConstraintType() == Constraint.UNIQUE || constraint.getConstraintType() == Constraint.FOREIGN_KEY) {
                String constraintName = constraint.getName().name;
                int[] cols = constraint.getMainColumns();
                int[] uniqueColMap = null;
                if (constraint.getConstraintType() == Constraint.FOREIGN_KEY) {
                    Table uniqueConstTable = constraint.getMain();
                    Constraint uniqueConstraint = uniqueConstTable.getConstraint(constraint.getUniqueName().name);
                    int[] uniqueConstIndexes = uniqueConstraint.getMainColumns();
                    uniqueColMap = new int[cols.length];
                    for (int j = 0; j < cols.length; j++) {
                        uniqueColMap[j] = ArrayUtil.find(uniqueConstIndexes, cols[j]);
                    }
                    cols = constraint.getRefColumns();
                }
                for (int j = 0; j < cols.length; j++) {
                    row = t.getEmptyRowData();
                    row[constraint_catalog] = tableCatalog;
                    row[constraint_schema] = tableSchema;
                    row[constraint_name] = constraintName;
                    row[table_catalog] = tableCatalog;
                    row[table_schema] = tableSchema;
                    row[table_name] = tableName;
                    row[column_name] = table.getColumn(cols[j]).getName().name;
                    row[ordinal_position] = ValuePool.getInt(j + 1);
                    if (constraint.getConstraintType() == Constraint.FOREIGN_KEY) {
                        row[position_in_unique_constraint] = ValuePool.getInt(uniqueColMap[j] + 1);
                    }
                    t.insertSys(store, row);
                }
            }
        }
    }
    return t;
}

Example 63 with Iterator

use of org.hsqldb_voltpatches.lib.Iterator in project voltdb by VoltDB.

the class DatabaseInformationFull method ROUTINE_ROUTINE_USAGE.

/**
     * needs to provide list of specific referenced routines
     */
Table ROUTINE_ROUTINE_USAGE() {
    Table t = sysTables[ROUTINE_ROUTINE_USAGE];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[ROUTINE_ROUTINE_USAGE]);
        addColumn(t, "SPECIFIC_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_NAME", SQL_IDENTIFIER);
        addColumn(t, "ROUTINE_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "ROUTINE_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "ROUTINE_NAME", SQL_IDENTIFIER);
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[ROUTINE_ROUTINE_USAGE].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2, 3, 4, 5 }, false);
        return t;
    }
    // column number mappings
    final int specific_catalog = 0;
    final int specific_schema = 1;
    final int specific_name = 2;
    final int routine_catalog = 3;
    final int routine_schema = 4;
    final int routine_name = 5;
    //
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    Iterator it;
    Object[] row;
    it = database.schemaManager.databaseObjectIterator(SchemaObject.ROUTINE);
    while (it.hasNext()) {
        RoutineSchema routine = (RoutineSchema) it.next();
        if (!session.getGrantee().isAccessible(routine)) {
            continue;
        }
        Routine[] specifics = routine.getSpecificRoutines();
        for (int m = 0; m < specifics.length; m++) {
            OrderedHashSet set = specifics[m].getReferences();
            for (int i = 0; i < set.size(); i++) {
                HsqlName refName = (HsqlName) set.get(i);
                if (refName.type != SchemaObject.FUNCTION && refName.type != SchemaObject.PROCEDURE) {
                    continue;
                }
                if (!session.getGrantee().isAccessible(refName)) {
                    continue;
                }
                row = t.getEmptyRowData();
                row[specific_catalog] = database.getCatalogName().name;
                row[specific_schema] = specifics[m].getSchemaName().name;
                row[specific_name] = specifics[m].getName().name;
                row[routine_catalog] = database.getCatalogName().name;
                row[routine_schema] = refName.schema.name;
                row[routine_name] = refName.name;
                try {
                    t.insertSys(store, row);
                } catch (HsqlException e) {
                }
            }
        }
    }
    return t;
}

Example 64 with Iterator

use of org.hsqldb_voltpatches.lib.Iterator in project voltdb by VoltDB.

the class DatabaseInformationFull method ROUTINE_TABLE_USAGE.

Table ROUTINE_TABLE_USAGE() {
    Table t = sysTables[ROUTINE_TABLE_USAGE];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[ROUTINE_TABLE_USAGE]);
        addColumn(t, "SPECIFIC_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_NAME", SQL_IDENTIFIER);
        addColumn(t, "ROUTINE_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "ROUTINE_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "ROUTINE_NAME", SQL_IDENTIFIER);
        addColumn(t, "TABLE_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "TABLE_SCHEMA", SQL_IDENTIFIER);
        addColumn(t, "TABLE_NAME", SQL_IDENTIFIER);
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[ROUTINE_TABLE_USAGE].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 3, 4, 5, 0, 1, 2, 6, 7, 8 }, false);
        return t;
    }
    // column number mappings
    final int specific_catalog = 0;
    final int specific_schema = 1;
    final int specific_name = 2;
    final int routine_catalog = 3;
    final int routine_schema = 4;
    final int routine_name = 5;
    final int table_catalog = 6;
    final int table_schema = 7;
    final int table_name = 8;
    //
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    Iterator it;
    Object[] row;
    it = database.schemaManager.databaseObjectIterator(SchemaObject.ROUTINE);
    while (it.hasNext()) {
        RoutineSchema routine = (RoutineSchema) it.next();
        if (!session.getGrantee().isAccessible(routine)) {
            continue;
        }
        Routine[] specifics = routine.getSpecificRoutines();
        for (int m = 0; m < specifics.length; m++) {
            OrderedHashSet set = specifics[m].getReferences();
            for (int i = 0; i < set.size(); i++) {
                HsqlName refName = (HsqlName) set.get(i);
                if (refName.type != SchemaObject.TABLE && refName.type != SchemaObject.VIEW) {
                    continue;
                }
                if (!session.getGrantee().isAccessible(refName)) {
                    continue;
                }
                row = t.getEmptyRowData();
                row[specific_catalog] = database.getCatalogName().name;
                row[specific_schema] = specifics[m].getSchemaName().name;
                row[specific_name] = specifics[m].getName().name;
                row[routine_catalog] = database.getCatalogName().name;
                row[routine_schema] = routine.getSchemaName().name;
                row[routine_name] = routine.getName().name;
                row[table_catalog] = database.getCatalogName().name;
                row[table_schema] = refName.schema.name;
                row[table_name] = refName.name;
                try {
                    t.insertSys(store, row);
                } catch (HsqlException e) {
                }
            }
        }
    }
    return t;
}

Example 65 with Iterator

use of org.hsqldb_voltpatches.lib.Iterator in project voltdb by VoltDB.

the class DatabaseInformationFull method TRIGGER_ROUTINE_USAGE.

Table TRIGGER_ROUTINE_USAGE() {
    Table t = sysTables[TRIGGER_ROUTINE_USAGE];
    if (t == null) {
        t = createBlankTable(sysTableHsqlNames[TRIGGER_ROUTINE_USAGE]);
        addColumn(t, "TRIGGER_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "TRIGGER_SCHEMA", SQL_IDENTIFIER);
        // not null
        addColumn(t, "TRIGGER_NAME", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_CATALOG", SQL_IDENTIFIER);
        addColumn(t, "SPECIFIC_SCHEMA", SQL_IDENTIFIER);
        // not null
        addColumn(t, "SPECIFIC_NAME", SQL_IDENTIFIER);
        HsqlName name = HsqlNameManager.newInfoSchemaObjectName(sysTableHsqlNames[TRIGGER_ROUTINE_USAGE].name, false, SchemaObject.INDEX);
        t.createPrimaryKey(name, new int[] { 0, 1, 2, 3, 4, 5 }, false);
        return t;
    }
    PersistentStore store = database.persistentStoreCollection.getStore(t);
    // column number mappings
    final int trigger_catalog = 0;
    final int trigger_schema = 1;
    final int trigger_name = 2;
    final int specific_catalog = 3;
    final int specific_schema = 4;
    final int specific_name = 5;
    Iterator it;
    Object[] row;
    it = database.schemaManager.databaseObjectIterator(SchemaObject.TRIGGER);
    while (it.hasNext()) {
        TriggerDef trigger = (TriggerDef) it.next();
        if (!session.getGrantee().isAccessible(trigger)) {
            continue;
        }
        OrderedHashSet set = trigger.getReferences();
        for (int i = 0; i < set.size(); i++) {
            HsqlName refName = (HsqlName) set.get(i);
            if (refName.type != SchemaObject.FUNCTION && refName.type != SchemaObject.PROCEDURE) {
                continue;
            }
            if (!session.getGrantee().isAccessible(refName)) {
                continue;
            }
            row = t.getEmptyRowData();
            row[trigger_catalog] = database.getCatalogName().name;
            row[trigger_schema] = trigger.getSchemaName().name;
            row[trigger_name] = trigger.getName().name;
            row[specific_catalog] = database.getCatalogName().name;
            row[specific_schema] = refName.schema.name;
            row[specific_name] = refName.name;
            try {
                t.insertSys(store, row);
            } catch (HsqlException e) {
            }
        }
    }
    return t;
}