Package org.datanucleus.store.rdbms.table

Examples of org.datanucleus.store.rdbms.table.Column

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            return true;
        }

        for (int i=0;i<m.getNumberOfDatastoreMappings();i++)
        {
            Column col = (Column) m.getDatastoreMapping(i).getDatastoreField();
            if (col.getJdbcType() == Types.CLOB || col.getJdbcType() == Types.BLOB)
            {
                // ERROR X0X67: Columns of type 'CLOB'/'BLOB' may not be used in
                // CREATE INDEX, ORDER BY, GROUP BY, UNION, INTERSECT, EXCEPT or DISTINCT
                if (stmt.isDistinct())
                {
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        IdentifierFactory idFactory = storeMgr.getIdentifierFactory();

        // "SEQUENCE_NAME" column
        sequenceNameMapping = storeMgr.getMappingManager().getMapping(String.class);
        Column colSequenceName=(Column) addDatastoreField(String.class.getName(),
            idFactory.newDatastoreFieldIdentifier(sequenceNameColumnName), sequenceNameMapping, null);
        colSequenceName.setAsPrimaryKey();
        colSequenceName.getColumnMetaData().setLength(Integer.valueOf("255"));
        colSequenceName.getColumnMetaData().setJdbcType("VARCHAR");
    getStoreManager().getMappingManager().createDatastoreMapping(sequenceNameMapping, colSequenceName, String.class.getName());

        // "NEXT_VAL" column
        nextValMapping = storeMgr.getMappingManager().getMapping(Long.class);
        DatastoreField colNextVal=addDatastoreField(Long.class.getName(),
            idFactory.newDatastoreFieldIdentifier(nextValColumnName), nextValMapping, null);
    getStoreManager().getMappingManager().createDatastoreMapping(nextValMapping, colNextVal, Long.class.getName());

        // Set up JDBC statements for supported operations
        insertStmt = "INSERT INTO " + identifier.getFullyQualifiedName(false) + " (" + colSequenceName.getIdentifier() + "," + colNextVal.getIdentifier() +
            ") VALUES (?,?)";
        incrementByStmt = "UPDATE " + identifier.getFullyQualifiedName(false) + " SET " + colNextVal.getIdentifier() + "=(" +
            colNextVal.getIdentifier() + "+?) WHERE " + colSequenceName.getIdentifier() + "=?";
        deleteStmt = "DELETE FROM " + identifier.getFullyQualifiedName(false) + " WHERE " + colSequenceName.getIdentifier() + "=?";
        deleteAllStmt = "DELETE FROM " + identifier.getFullyQualifiedName(false);
        fetchStmt = "SELECT " + colNextVal.getIdentifier() + " FROM " + identifier.getFullyQualifiedName(false) + " WHERE " +
            colSequenceName.getIdentifier() + "=?";
        if (dba.supportsOption(RDBMSAdapter.LOCK_WITH_SELECT_FOR_UPDATE))
        {
            fetchStmt += " FOR UPDATE";
        }
        fetchAllStmt = "SELECT " + colNextVal.getIdentifier() + "," + colSequenceName.getIdentifier() +
            " FROM " + identifier.getFullyQualifiedName(false) + " ORDER BY " + colSequenceName.getIdentifier();

        state = TABLE_STATE_INITIALIZED;
    }
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            return true;
        }

        for (int i=0;i<m.getNumberOfDatastoreMappings();i++)
        {
            Column col = (Column) m.getDatastoreMapping(i).getDatastoreField();
            if (col.getJdbcType() == Types.CLOB || col.getJdbcType() == Types.BLOB)
            {
                // "java.sql.SQLException: ORA-00932: inconsistent datatypes: expected - got CLOB"
                if (stmt.isDistinct())
                {
                    NucleusLogger.QUERY.debug("Not selecting " + m + " since is for BLOB/CLOB and using DISTINCT");
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     * @return The datastore mapping
     */
    public DatastoreMapping createDatastoreMapping(JavaTypeMapping mapping, DatastoreField column,
            String javaType)
    {
        Column col = (Column)column;
        String jdbcType = null;
        String sqlType = null;
        if (col != null && col.getColumnMetaData() != null)
        {
            // Utilise the jdbc and sql types if specified
            jdbcType = col.getColumnMetaData().getJdbcType();
            sqlType = col.getColumnMetaData().getSqlType();
        }
        Class datastoreMappingClass = getDatastoreMappingClass(null, javaType, jdbcType, sqlType, clr);

        DatastoreMapping datastoreMapping = DatastoreMappingFactory.createMapping(datastoreMappingClass, mapping, storeMgr, column);
        if (column != null)
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        else if (roleForField == FieldRole.ROLE_MAP_VALUE)
        {
            columnContainer= fmd.getValueMetaData();
        }

        Column col;
        ColumnMetaData[] colmds;
        if (columnContainer != null && columnContainer.getColumnMetaData().length > datastoreFieldIndex)
        {
            colmd = columnContainer.getColumnMetaData()[datastoreFieldIndex];
            colmds = columnContainer.getColumnMetaData();
        }
        else
        {
            // If column specified add one (use any column name specified on field element)
            colmd = new ColumnMetaData();
            colmd.setName(fmd.getColumn()); // TODO Avoid use of getColumn() - try getColumnMetaData() but test with spatial too
            if (columnContainer != null)
            {
                columnContainer.addColumn(colmd);
                colmds = columnContainer.getColumnMetaData();
            }
            else
            {
                colmds = new ColumnMetaData[1];
                colmds[0] = colmd;
            }
        }

        // Generate the column identifier
        IdentifierFactory idFactory = storeMgr.getIdentifierFactory();
        DatastoreIdentifier identifier = null;
        if (colmd.getName() == null)
        {
            // No name specified, so generate the identifier from the field name
            if (roleForField == FieldRole.ROLE_COLLECTION_ELEMENT)
            {
                // Join table collection element
                identifier = idFactory.newJoinTableFieldIdentifier(fmd, null, null,
                    true, FieldRole.ROLE_COLLECTION_ELEMENT);
            }
            else if (roleForField == FieldRole.ROLE_ARRAY_ELEMENT)
            {
                // Join table array element
                identifier = idFactory.newJoinTableFieldIdentifier(fmd, null, null,
                    true, FieldRole.ROLE_ARRAY_ELEMENT);
            }
            else if (roleForField == FieldRole.ROLE_MAP_KEY)
            {
                // Join table map key
                identifier = idFactory.newJoinTableFieldIdentifier(fmd, null, null,
                    true, FieldRole.ROLE_MAP_KEY);
            }
            else if (roleForField == FieldRole.ROLE_MAP_VALUE)
            {
                // Join table map value
                identifier = idFactory.newJoinTableFieldIdentifier(fmd, null, null,
                    true, FieldRole.ROLE_MAP_VALUE);
            }
            else
            {
                identifier = idFactory.newIdentifier(IdentifierType.COLUMN, fmd.getName());
                int i=0;
                while (datastoreContainer.hasDatastoreField(identifier))
                {
                    identifier = idFactory.newIdentifier(IdentifierType.COLUMN, fmd.getName() + "_" + i);
                    i++;
                }
            }

            colmd.setName(identifier.getIdentifierName());
        }
        else
        {
            // User has specified a name, so try to keep this unmodified
            identifier = idFactory.newDatastoreFieldIdentifier(colmds[datastoreFieldIndex].getName(),
                storeMgr.getNucleusContext().getTypeManager().isDefaultEmbeddedType(fmd.getType()),
                FieldRole.ROLE_CUSTOM);
        }

        // Create the column
        col = (Column) datastoreContainer.addDatastoreField(javaType, identifier, mapping, colmd);

        if (fmd.isPrimaryKey())
        {
            col.setAsPrimaryKey();
        }

        if (storeMgr.isStrategyDatastoreAttributed(fmd.getValueStrategy(), false))
        {
            if (datastoreContainer instanceof DatastoreClass)
            {
                if ((fmd.isPrimaryKey() && ((DatastoreClass)datastoreContainer).isBaseDatastoreClass()) ||
                    !fmd.isPrimaryKey())
                {
                    // Increment any PK field if we are in base class, and increment any other field
                    col.setIdentity(true);
                }
            }
        }

        if (fmd.getValueForExtension("select-function") != null)
        {
            col.setWrapperFunction(fmd.getValueForExtension("select-function"),Column.WRAPPER_FUNCTION_SELECT);
        }
        if (fmd.getValueForExtension("insert-function") != null)
        {
            col.setWrapperFunction(fmd.getValueForExtension("insert-function"),Column.WRAPPER_FUNCTION_INSERT);
        }
        if (fmd.getValueForExtension("update-function") != null)
        {
            col.setWrapperFunction(fmd.getValueForExtension("update-function"),Column.WRAPPER_FUNCTION_UPDATE);
        }

        setDatastoreFieldNullability(fmd, colmd, col);
        if (fmd.getNullValue() == NullValue.DEFAULT)
        {
            // Users default should be applied if a null is to be inserted
            col.setDefaultable();
            if (colmd.getDefaultValue() != null)
            {
                col.setDefaultValue(colmd.getDefaultValue());
            }
        }

        return col;
    }
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    public DatastoreField createDatastoreField(JavaTypeMapping mapping, String javaType, ColumnMetaData colmd)
    {
        AbstractMemberMetaData fmd = mapping.getMemberMetaData();
        DatastoreContainerObject datastoreContainer = mapping.getDatastoreContainer();

        Column col;
        if (colmd == null)
        {
            // If column specified add one (use any column name specified on field element)
            colmd = new ColumnMetaData();
            colmd.setName(fmd.getColumn()); // TODO Avoid use of getColumn() - try getColumnMetaData() but test with spatial too
            fmd.addColumn(colmd);
        }

        IdentifierFactory idFactory = storeMgr.getIdentifierFactory();
        if (colmd.getName() == null)
        {
            // No name specified, so generate the identifier from the field name
            DatastoreIdentifier identifier = idFactory.newIdentifier(IdentifierType.COLUMN, fmd.getName());
            int i=0;
            while (datastoreContainer.hasDatastoreField(identifier))
            {
                identifier = idFactory.newIdentifier(IdentifierType.COLUMN, fmd.getName() + "_" + i);
                i++;
            }

            colmd.setName(identifier.getIdentifierName());
            col = (Column) datastoreContainer.addDatastoreField(javaType, identifier, mapping, colmd);
        }
        else
        {
            // User has specified a name, so try to keep this unmodified
            col = (Column) datastoreContainer.addDatastoreField(javaType,
                idFactory.newDatastoreFieldIdentifier(colmd.getName(),
                    storeMgr.getNucleusContext().getTypeManager().isDefaultEmbeddedType(fmd.getType()),
                    FieldRole.ROLE_CUSTOM),
                mapping, colmd);
        }

        setDatastoreFieldNullability(fmd, colmd, col);
        if (fmd.getNullValue() == NullValue.DEFAULT)
        {
            // Users default should be applied if a null is to be inserted
            col.setDefaultable();
            if (colmd.getDefaultValue() != null)
            {
                col.setDefaultValue(colmd.getDefaultValue());
            }
        }

        return col;
    }
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        else
        {
            // User has specified a name, so try to keep this unmodified
            identifier = idFactory.newDatastoreFieldIdentifier(colmd.getName(), false, FieldRole.ROLE_CUSTOM);
        }
        Column col = (Column)datastoreContainer.addDatastoreField(mmd.getType().getName(), identifier, mapping, colmd);

        // Copy the characteristics of the reference column to this one
        reference.copyConfigurationTo(col);

        if (mmd.isPrimaryKey())
        {
            col.setAsPrimaryKey();
        }

        if (storeMgr.isStrategyDatastoreAttributed(mmd.getValueStrategy(), false))
        {
            if ((mmd.isPrimaryKey() && ((DatastoreClass)datastoreContainer).isBaseDatastoreClass()) || !mmd.isPrimaryKey())
            {
                // Increment any PK field if we are in base class, and increment any other field
                col.setIdentity(true);
            }
        }

        if (mmd.getValueForExtension("select-function") != null)
        {
            col.setWrapperFunction(mmd.getValueForExtension("select-function"),Column.WRAPPER_FUNCTION_SELECT);
        }
        if (mmd.getValueForExtension("insert-function") != null)
        {
            col.setWrapperFunction(mmd.getValueForExtension("insert-function"),Column.WRAPPER_FUNCTION_INSERT);
        }
        if (mmd.getValueForExtension("update-function") != null)
        {
            col.setWrapperFunction(mmd.getValueForExtension("update-function"),Column.WRAPPER_FUNCTION_UPDATE);
        }

        setDatastoreFieldNullability(mmd, colmd, col);
        if (mmd.getNullValue() == NullValue.DEFAULT)
        {
            // Users default should be applied if a null is to be inserted
            col.setDefaultable();
            if (colmd.getDefaultValue() != null)
            {
                col.setDefaultValue(colmd.getDefaultValue());
            }
        }

        return col;       
    }
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            return true;
        }

        for (int i=0;i<m.getNumberOfDatastoreMappings();i++)
        {
            Column col = (Column) m.getDatastoreMapping(i).getDatastoreField();
            if (col.getJdbcType() == Types.CLOB || col.getJdbcType() == Types.BLOB)
            {
                // "The ... data type cannot be selected as DISTINCT because it is not comparable."
                if (stmt.isDistinct())
                {
                    NucleusLogger.QUERY.debug("Not selecting " + m + " since is for BLOB/CLOB and using DISTINCT");
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    {
        StringBuffer s = new StringBuffer("(");
        Iterator i = cols.iterator();
        while (i.hasNext())
        {
            Column col = (Column)i.next();

            if (col == null)
            {
                s.append('?');
            }
            else
            {
                s.append(col.getIdentifier());
            }

            if (i.hasNext())
            {
                s.append(',');
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        assertIsUninitialized();

        IdentifierFactory idFactory = storeMgr.getIdentifierFactory();
        MappingManager mapMgr = getStoreManager().getMappingManager();
        classMapping = mapMgr.getMapping(String.class);
        Column class_column=(Column) addDatastoreField(String.class.getName(),
            idFactory.newDatastoreFieldIdentifier("CLASS_NAME"), classMapping, null);
        mapMgr.createDatastoreMapping(classMapping, class_column, String.class.getName());
        class_column.getColumnMetaData().setLength(128);
        class_column.getColumnMetaData().setJdbcType("VARCHAR");
        class_column.setAsPrimaryKey();

        tableMapping = mapMgr.getMapping(String.class);
        Column table_column=(Column) addDatastoreField(String.class.getName(),
            idFactory.newDatastoreFieldIdentifier("TABLE_NAME"), tableMapping, null);
        mapMgr.createDatastoreMapping(tableMapping, table_column, String.class.getName());
        table_column.getColumnMetaData().setLength(128);
        table_column.getColumnMetaData().setJdbcType("VARCHAR");

        typeMapping = mapMgr.getMapping(String.class);
        Column type_column=(Column) addDatastoreField(String.class.getName(),
            idFactory.newDatastoreFieldIdentifier("TYPE"), typeMapping, null);
        mapMgr.createDatastoreMapping(typeMapping, type_column, String.class.getName());
        type_column.getColumnMetaData().setLength(4);
        type_column.getColumnMetaData().setJdbcType("VARCHAR");

        // TODO Change type to SMALLINT/BIT
        ownerMapping = mapMgr.getMapping(String.class);
        Column owner_column=(Column) addDatastoreField(String.class.getName(),
            idFactory.newDatastoreFieldIdentifier("OWNER"), ownerMapping, null);
        mapMgr.createDatastoreMapping(ownerMapping, owner_column, String.class.getName());
        owner_column.getColumnMetaData().setLength(2);
        owner_column.getColumnMetaData().setJdbcType("VARCHAR");

        versionMapping = mapMgr.getMapping(String.class);
        Column version_column=(Column) addDatastoreField(String.class.getName(),
            idFactory.newDatastoreFieldIdentifier("VERSION"), versionMapping, null);
        mapMgr.createDatastoreMapping(versionMapping, version_column, String.class.getName());
        version_column.getColumnMetaData().setLength(20);
        version_column.getColumnMetaData().setJdbcType("VARCHAR");

        interfaceNameMapping = mapMgr.getMapping(String.class);
        Column interfaceName_column=(Column) addDatastoreField(String.class.getName(),
            idFactory.newDatastoreFieldIdentifier("INTERFACE_NAME"), interfaceNameMapping, null);
        mapMgr.createDatastoreMapping(interfaceNameMapping, interfaceName_column, String.class.getName());
        interfaceName_column.getColumnMetaData().setLength(255);
        interfaceName_column.getColumnMetaData().setJdbcType("VARCHAR");
        interfaceName_column.setNullable();
       
        // Set up JDBC statements for supported operations
        insertStmt = "INSERT INTO " + identifier.getFullyQualifiedName(false) + " (" + class_column.getIdentifier() + "," + table_column.getIdentifier() + "," + type_column.getIdentifier() + "," +
            owner_column.getIdentifier() + "," + version_column.getIdentifier() + "," + interfaceName_column.getIdentifier() + ") VALUES (?,?,?,?,?,?)";
        deleteStmt = "DELETE FROM " + identifier.getFullyQualifiedName(false) + " WHERE " + idFactory.getIdentifierInAdapterCase("CLASS_NAME") + "=?";
        deleteAllStmt = "DELETE FROM " + identifier.getFullyQualifiedName(false);
        fetchAllStmt = "SELECT " + class_column.getIdentifier() + "," + table_column.getIdentifier() + "," + type_column.getIdentifier() + "," +
            owner_column.getIdentifier() + "," + version_column.getIdentifier() + "," + interfaceName_column.getIdentifier() + " FROM " + identifier.getFullyQualifiedName(false) + " ORDER BY " + table_column.getIdentifier();
        fetchStmt = "SELECT 1 FROM " + identifier.getFullyQualifiedName(false) + " WHERE " + idFactory.getIdentifierInAdapterCase("CLASS_NAME") + " = ? ";

        state = TABLE_STATE_INITIALIZED;
    }
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Related Classes of org.datanucleus.store.rdbms.table.Column

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  • org.datanucleus.store.rdbms.adapter.OracleAdapter
  • org.datanucleus.store.rdbms.autostart.SchemaTable
  • org.datanucleus.store.rdbms.key.Key
  • org.datanucleus.store.rdbms.mapping.RDBMSMappingManager
  • org.datanucleus.store.rdbms.request.InsertRequest
  • org.datanucleus.store.rdbms.request.InsertRequest$InsertMappingConsumer
  • org.datanucleus.store.rdbms.request.UpdateRequest$UpdateMappingConsumer
  • org.datanucleus.store.rdbms.valuegenerator.SequenceTable
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