Package org.apache.openjpa.jdbc.schema

Examples of org.apache.openjpa.jdbc.schema.PrimaryKey

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                mapForeignKey(cls, fks[i], join, outer);

        // map any columns not controlled by foreign keys; also force primary
        // key cols to get mapped to simple fields even if the columns are
        // also foreign key columns
        PrimaryKey pk = (join != null) ? null : table.getPrimaryKey();
        boolean pkcol;
        Column[] cols = table.getColumns();
        for (int i = 0; i < cols.length; i++) {
            pkcol = pk != null && pk.containsColumn(cols[i]);
            if (pkcol && cls.getIdentityType() == ClassMapping.ID_DATASTORE)
                continue;
            if ((cls.getPCSuperclass() == null && pkcol)
                || !isForeignKeyColumn(cols[i]))
                mapColumn(cls, cols[i], join, outer);
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        SchemaGroup group = new SchemaGroup();
        Schema schema = group.addSchema(schemaName);

        Table table = schema.addTable(tableName);
        _pkColumn = addPrimaryKeyColumn(table);
        PrimaryKey pk = table.addPrimaryKey();
        pk.addColumn(_pkColumn);

        DBDictionary dict = _conf.getDBDictionaryInstance();
        _seqColumn = table.addColumn(dict.getValidColumnName
            (_seqColumnName, table));
        _seqColumn.setType(dict.getPreferredType(Types.BIGINT));
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                    _cols[i].setAutoAssigned(true);
        }

        // add primary key columns to table pk if logical
        field.mapPrimaryKey(adapt);
        PrimaryKey pk = field.getTable().getPrimaryKey();
        if (field.isPrimaryKey() && pk != null && (adapt || pk.isLogical()))
            for (int i = 0; i < _cols.length; i++)
                pk.addColumn(_cols[i]);

        // set joinable
        if (!field.getHandler().objectValueRequiresLoad(field))
            for (int i = 0; i < _cols.length; i++)
                field.getDefiningMapping().setJoinable(_cols[i], this);
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        }

        // do this before getting the columns so we know how to handle
        // the last comma
        StringBuilder endBuf = new StringBuilder();
        PrimaryKey pk = table.getPrimaryKey();
        String pkStr;
        if (pk != null) {
            pkStr = getPrimaryKeyConstraintSQL(pk);
            if (pkStr != null)
                endBuf.append(pkStr);
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    /**
     * Create a new primary key from the information in the schema metadata.
     */
    protected PrimaryKey newPrimaryKey(ResultSet pkMeta)
        throws SQLException {
        PrimaryKey pk = new PrimaryKey();
        pk.setSchemaIdentifier(fromDBName(pkMeta.getString("TABLE_SCHEM"), DBIdentifierType.SCHEMA));
        pk.setTableIdentifier(fromDBName(pkMeta.getString("TABLE_NAME"), DBIdentifierType.TABLE));
        pk.setColumnIdentifier(fromDBName(pkMeta.getString("COLUMN_NAME"), DBIdentifierType.COLUMN));
        pk.setIdentifier(fromDBName(pkMeta.getString("PK_NAME"), DBIdentifierType.CONSTRAINT));
        return pk;
    }
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            pks = meta.getBestRowIdentifier(toDBName(catalog), toDBName(schemaName),
                toDBName(tableName), 0, false);

            List pkList = new ArrayList();
            while (pks != null && pks.next()) {
                PrimaryKey pk = new PrimaryKey();
                pk.setSchemaIdentifier(schemaName);
                pk.setTableIdentifier(tableName);
                pk.setColumnIdentifier(fromDBName(pks.getString("COLUMN_NAME"), DBIdentifierType.COLUMN));
                pkList.add(pk);
            }
            return (PrimaryKey[]) pkList.toArray
                (new PrimaryKey[pkList.size()]);
        } finally {
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        if (col.getIdentifier().equals(targetCol.getIdentifier()))
            return true;
        if (num > 1)
            return false;

        PrimaryKey pk = targetCol.getTable().getPrimaryKey();
        if (pk == null || pk.getColumns().length != 1)
            return false;
        return targetCol == pk.getColumns()[0];
    }
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                + "-no-fkcol-name-adapt", context));

        if (DBIdentifier.isNull(name) && DBIdentifier.isNull(targetName)) {
            // if no name or target is provided and there's more than one likely
            // join possibility, too ambiguous
            PrimaryKey pk = foreign.getPrimaryKey();
            if (joins.length != 1 || pk == null || pk.getColumns().length != 1)
                throw new MetaDataException(_loc.get(prefix
                    + "-no-fkcol-name-adapt", context));

            // assume target is pk column
            targetName = pk.getColumns()[0].getIdentifier();
        } else if (!DBIdentifier.isNull(name) && DBIdentifier.isNull(targetName)) {
            // if one primary key column use it for target; if multiple joins
            // look for a foreign column with same name as local column
            PrimaryKey pk = foreign.getPrimaryKey();
            if (joins.length == 1 && pk != null && pk.getColumns().length == 1) {
                targetName = pk.getColumns()[0].getIdentifier();
            }
            else if (foreign.getColumn(name) != null) {
                targetName = name;
            }
            else {
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        assertTrue(!table.isNameTaken("schema"));
        assertTrue(table.isNameTaken("table"));

        // pk testing
        assertNull(table.getPrimaryKey());
        PrimaryKey pk = table.addPrimaryKey("pk");
        assertEquals(table, pk.getTable());
        assertEquals(pk, table.getPrimaryKey());
        assertTrue(!table.isNameTaken("pk"));
        assertTrue(_schema.getSchemaGroup().isNameTaken("pk"));

        table.removePrimaryKey();
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        Column[] cols = fk.getColumns();
        Column[] pkCols = fk.getPrimaryKeyColumns();
        assertEquals(0, cols.length);
        assertEquals(0, pkCols.length);
        PrimaryKey pk = table2.addPrimaryKey("pk");
        pk.addColumn(c3);
        fk.join(c1, c3);
        pk.addColumn(c4);
        fk.join(c2, c4);
        cols = fk.getColumns();
        pkCols = fk.getPrimaryKeyColumns();
        assertEquals(2, cols.length);
        assertEquals(c1, cols[0]);
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Related Classes of org.apache.openjpa.jdbc.schema.PrimaryKey

  • org.apache.openjpa.jdbc.kernel.TableJDBCSeq
  • org.apache.openjpa.jdbc.meta.MappingInfo
  • org.apache.openjpa.jdbc.meta.ReverseMappingTool
  • org.apache.openjpa.jdbc.meta.strats.FullClassStrategy
  • org.apache.openjpa.jdbc.meta.strats.HandlerFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.PrimitiveFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.StringFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.VerticalClassStrategy
  • org.apache.openjpa.jdbc.sql.DBDictionary
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