Example usage for java.sql Types DECIMAL

List of usage examples for java.sql Types DECIMAL

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Introduction

In this page you can find the example usage for java.sql Types DECIMAL.

Prototype

int DECIMAL

To view the source code for java.sql Types DECIMAL.

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Document

The constant in the Java programming language, sometimes referred to as a type code, that identifies the generic SQL type DECIMAL.

Usage

From source file:org.wso2.carbon.dataservices.core.description.query.SQLQuery.java

private DataEntry getDataEntryFromRS(ResultSet rs) throws SQLException {
    DataEntry dataEntry = new DataEntry();
    ResultSetMetaData metaData = rs.getMetaData();
    int columnCount = metaData.getColumnCount();
    int columnType;
    String value;// w w w.j  av  a  2s.c  om
    ParamValue paramValue;
    Time sqlTime;
    Date sqlDate;
    Timestamp sqlTimestamp;
    Blob sqlBlob;
    BigDecimal bigDecimal;
    InputStream binInStream;
    boolean useColumnNumbers = this.isUsingColumnNumbers();
    for (int i = 1; i <= columnCount; i++) {
        /* retrieve values according to the column type */
        columnType = metaData.getColumnType(i);
        switch (columnType) {
        /* handle string types */
        case Types.VARCHAR:
            /* fall through */
        case Types.LONGVARCHAR:
            /* fall through */
        case Types.CHAR:
            /* fall through */
        case Types.CLOB:
            /* fall through */
        case Types.NCHAR:
            /* fall through */
        case Types.NCLOB:
            /* fall through */
        case Types.NVARCHAR:
            /* fall through */
        case Types.LONGNVARCHAR:
            value = rs.getString(i);
            paramValue = new ParamValue(value);
            break;
        /* handle numbers */
        case Types.INTEGER:
            /* fall through */
        case Types.TINYINT:
            /* fall through */
        case Types.SMALLINT:
            value = ConverterUtil.convertToString(rs.getInt(i));
            paramValue = new ParamValue(rs.wasNull() ? null : value);
            break;
        case Types.DOUBLE:
            value = ConverterUtil.convertToString(rs.getDouble(i));
            paramValue = new ParamValue(rs.wasNull() ? null : value);
            break;
        case Types.FLOAT:
            value = ConverterUtil.convertToString(rs.getFloat(i));
            paramValue = new ParamValue(rs.wasNull() ? null : value);
            break;
        case Types.BOOLEAN:
            /* fall through */
        case Types.BIT:
            value = ConverterUtil.convertToString(rs.getBoolean(i));
            paramValue = new ParamValue(rs.wasNull() ? null : value);
            break;
        case Types.DECIMAL:
            bigDecimal = rs.getBigDecimal(i);
            if (bigDecimal != null) {
                value = ConverterUtil.convertToString(bigDecimal);
            } else {
                value = null;
            }
            paramValue = new ParamValue(value);
            break;
        /* handle data/time values */
        case Types.TIME:
            /* handle time data type */
            sqlTime = rs.getTime(i);
            if (sqlTime != null) {
                value = this.convertToTimeString(sqlTime);
            } else {
                value = null;
            }
            paramValue = new ParamValue(value);
            break;
        case Types.DATE:
            /* handle date data type */
            sqlDate = rs.getDate(i);
            if (sqlDate != null) {
                value = ConverterUtil.convertToString(sqlDate);
            } else {
                value = null;
            }
            paramValue = new ParamValue(value);
            break;
        case Types.TIMESTAMP:
            sqlTimestamp = rs.getTimestamp(i, calendar);
            if (sqlTimestamp != null) {
                value = this.convertToTimestampString(sqlTimestamp);
            } else {
                value = null;
            }
            paramValue = new ParamValue(value);
            break;
        /* handle binary types */
        case Types.BLOB:
            sqlBlob = rs.getBlob(i);
            if (sqlBlob != null) {
                value = this.getBase64StringFromInputStream(sqlBlob.getBinaryStream());
            } else {
                value = null;
            }
            paramValue = new ParamValue(value);
            break;
        case Types.BINARY:
            /* fall through */
        case Types.LONGVARBINARY:
            /* fall through */
        case Types.VARBINARY:
            binInStream = rs.getBinaryStream(i);
            if (binInStream != null) {
                value = this.getBase64StringFromInputStream(binInStream);
            } else {
                value = null;
            }
            paramValue = new ParamValue(value);
            break;
        /* handling User Defined Types */
        case Types.STRUCT:
            Struct udt = (Struct) rs.getObject(i);
            paramValue = new ParamValue(udt);
            break;
        case Types.ARRAY:
            paramValue = new ParamValue(ParamValue.PARAM_VALUE_ARRAY);
            Array dataArray = (Array) rs.getObject(i);
            if (dataArray == null) {
                break;
            }
            paramValue = this.processSQLArray(dataArray, paramValue);
            break;
        case Types.NUMERIC:
            bigDecimal = rs.getBigDecimal(i);
            if (bigDecimal != null) {
                value = ConverterUtil.convertToString(bigDecimal);
            } else {
                value = null;
            }
            paramValue = new ParamValue(value);
            break;
        case Types.BIGINT:
            value = ConverterUtil.convertToString(rs.getLong(i));
            paramValue = new ParamValue(rs.wasNull() ? null : value);
            break;

        /* handle all other types as strings */
        default:
            value = rs.getString(i);
            paramValue = new ParamValue(value);
            break;
        }
        dataEntry.addValue(useColumnNumbers ? Integer.toString(i) : metaData.getColumnLabel(i), paramValue);
    }
    return dataEntry;
}

From source file:org.acmsl.queryj.metadata.engines.JdbcTypeManager.java

/**
 * {@inheritDoc}//from   w ww.ja va 2s  . c  om
 */
@NotNull
@Override
public List<Integer> getCompatibleTypesFor(final int type) {
    @NotNull
    final List<Integer> result = new ArrayList<>();

    switch (type) {
    case Types.CHAR:
    case Types.LONGNVARCHAR:
    case Types.LONGVARCHAR:
    case Types.NCHAR:
    case Types.NVARCHAR:
    case Types.VARCHAR:
        result.add(Types.CHAR);
        result.add(Types.LONGNVARCHAR);
        result.add(Types.LONGVARCHAR);
        result.add(Types.NCHAR);
        result.add(Types.NVARCHAR);
        result.add(Types.VARCHAR);
        break;
    case Types.NUMERIC:
    case Types.BIGINT:
    case Types.BIT:
    case Types.BOOLEAN:
    case Types.DECIMAL:
    case Types.DOUBLE:
    case Types.FLOAT:
    case Types.INTEGER:
    case Types.REAL:
    case Types.SMALLINT:
    case Types.TINYINT:
        result.add(Types.NUMERIC);
        result.add(Types.BIGINT);
        result.add(Types.BIT);
        result.add(Types.BOOLEAN);
        result.add(Types.DECIMAL);
        result.add(Types.DOUBLE);
        result.add(Types.FLOAT);
        result.add(Types.INTEGER);
        result.add(Types.REAL);
        result.add(Types.SMALLINT);
        result.add(Types.TINYINT);
        break;
    default:
        break;
    }

    return result;
}

From source file:org.dspace.storage.rdbms.DatabaseManager.java

private static void loadParameters(PreparedStatement statement, Collection<ColumnInfo> columns, TableRow row)
        throws SQLException {
    int count = 0;
    for (ColumnInfo info : columns) {
        count++;/*from  ww  w .  j ava2 s  .  c o  m*/
        String column = info.getCanonicalizedName();
        int jdbctype = info.getType();

        if (row.isColumnNull(column)) {
            statement.setNull(count, jdbctype);
        } else {
            switch (jdbctype) {
            case Types.BIT:
                statement.setBoolean(count, row.getBooleanColumn(column));
                break;

            case Types.INTEGER:
                if (isOracle) {
                    statement.setLong(count, row.getLongColumn(column));
                } else {
                    statement.setInt(count, row.getIntColumn(column));
                }
                break;

            case Types.NUMERIC:
            case Types.DECIMAL:
                statement.setLong(count, row.getLongColumn(column));
                // FIXME should be BigDecimal if TableRow supported that
                break;

            case Types.BIGINT:
                statement.setLong(count, row.getLongColumn(column));
                break;

            case Types.CLOB:
                if (isOracle) {
                    // Support CLOBs in place of TEXT columns in Oracle
                    statement.setString(count, row.getStringColumn(column));
                } else {
                    throw new IllegalArgumentException("Unsupported JDBC type: " + jdbctype);
                }
                break;

            case Types.VARCHAR:
                statement.setString(count, row.getStringColumn(column));
                break;

            case Types.DATE:
                statement.setDate(count, new java.sql.Date(row.getDateColumn(column).getTime()));
                break;

            case Types.TIME:
                statement.setTime(count, new Time(row.getDateColumn(column).getTime()));
                break;

            case Types.TIMESTAMP:
                statement.setTimestamp(count, new Timestamp(row.getDateColumn(column).getTime()));
                break;

            default:
                throw new IllegalArgumentException("Unsupported JDBC type: " + jdbctype);
            }
        }
    }
}

From source file:org.apache.sqoop.mapreduce.hcat.SqoopHCatUtilities.java

public static String sqlTypeString(int sqlType) {
    switch (sqlType) {
    case Types.BIT:
        return "BIT";
    case Types.TINYINT:
        return "TINYINT";
    case Types.SMALLINT:
        return "SMALLINT";
    case Types.INTEGER:
        return "INTEGER";
    case Types.BIGINT:
        return "BIGINT";
    case Types.FLOAT:
        return "FLOAT";
    case Types.REAL:
        return "REAL";
    case Types.DOUBLE:
        return "DOUBLE";
    case Types.NUMERIC:
        return "NUMERIC";
    case Types.DECIMAL:
        return "DECIMAL";
    case Types.CHAR:
        return "CHAR";
    case Types.VARCHAR:
        return "VARCHAR";
    case Types.LONGVARCHAR:
        return "LONGVARCHAR";
    case Types.DATE:
        return "DATE";
    case Types.TIME:
        return "TIME";
    case Types.TIMESTAMP:
        return "TIMESTAMP";
    case Types.BINARY:
        return "BINARY";
    case Types.VARBINARY:
        return "VARBINARY";
    case Types.LONGVARBINARY:
        return "LONGVARBINARY";
    case Types.NULL:
        return "NULL";
    case Types.OTHER:
        return "OTHER";
    case Types.JAVA_OBJECT:
        return "JAVA_OBJECT";
    case Types.DISTINCT:
        return "DISTINCT";
    case Types.STRUCT:
        return "STRUCT";
    case Types.ARRAY:
        return "ARRAY";
    case Types.BLOB:
        return "BLOB";
    case Types.CLOB:
        return "CLOB";
    case Types.REF:
        return "REF";
    case Types.DATALINK:
        return "DATALINK";
    case Types.BOOLEAN:
        return "BOOLEAN";
    case Types.ROWID:
        return "ROWID";
    case Types.NCHAR:
        return "NCHAR";
    case Types.NVARCHAR:
        return "NVARCHAR";
    case Types.LONGNVARCHAR:
        return "LONGNVARCHAR";
    case Types.NCLOB:
        return "NCLOB";
    case Types.SQLXML:
        return "SQLXML";
    default:/* ww w . j a  v a 2 s  .co m*/
        return "<UNKNOWN>";
    }
}

From source file:org.wso2.carbon.dataservices.core.odata.RDBMSDataHandler.java

private ODataDataType getODataDataType(int columnType) {
    ODataDataType dataType;/* www. j  a  v a2 s.c o  m*/
    switch (columnType) {
    case Types.INTEGER:
        dataType = ODataDataType.INT32;
        break;
    case Types.TINYINT:
        /* fall through */
    case Types.SMALLINT:
        dataType = ODataDataType.INT16;
        break;
    case Types.DOUBLE:
        dataType = ODataDataType.DOUBLE;
        break;
    case Types.VARCHAR:
        /* fall through */
    case Types.CHAR:
        /* fall through */
    case Types.LONGVARCHAR:
        /* fall through */
    case Types.CLOB:
        /* fall through */
    case Types.LONGNVARCHAR:
        /* fall through */
    case Types.NCHAR:
        /* fall through */
    case Types.NVARCHAR:
        /* fall through */
    case Types.NCLOB:
        /* fall through */
    case Types.SQLXML:
        dataType = ODataDataType.STRING;
        break;
    case Types.BOOLEAN:
        /* fall through */
    case Types.BIT:
        dataType = ODataDataType.BOOLEAN;
        break;
    case Types.BLOB:
        /* fall through */
    case Types.BINARY:
        /* fall through */
    case Types.LONGVARBINARY:
        /* fall through */
    case Types.VARBINARY:
        dataType = ODataDataType.BINARY;
        break;
    case Types.DATE:
        dataType = ODataDataType.DATE;
        break;
    case Types.DECIMAL:
        /* fall through */
    case Types.NUMERIC:
        dataType = ODataDataType.DECIMAL;
        break;
    case Types.FLOAT:
        /* fall through */
    case Types.REAL:
        dataType = ODataDataType.SINGLE;
        break;
    case Types.TIME:
        dataType = ODataDataType.TIMEOFDAY;
        break;
    case Types.BIGINT:
        dataType = ODataDataType.INT64;
        break;
    case Types.TIMESTAMP:
        dataType = ODataDataType.DATE_TIMEOFFSET;
        break;
    default:
        dataType = ODataDataType.STRING;
        break;
    }
    return dataType;
}

From source file:com.feedzai.commons.sql.abstraction.engine.AbstractDatabaseEngine.java

/**
 * Maps the database type to {@link DbColumnType}. If there's no mapping a {@link DbColumnType#UNMAPPED} is returned.
 *
 * @param type The SQL type from {@link java.sql.Types}.
 * @return The {@link DbColumnType}.//from w  w  w.j a  v a 2 s.c om
 */
protected DbColumnType toPdbType(final int type) {
    switch (type) {
    case Types.ARRAY:
        return DbColumnType.UNMAPPED;
    case Types.BIGINT:
        return DbColumnType.LONG;
    case Types.BINARY:
        return DbColumnType.BLOB;
    case Types.BIT:
        return DbColumnType.BOOLEAN;
    case Types.BLOB:
        return DbColumnType.BLOB;
    case Types.BOOLEAN:
        return DbColumnType.BOOLEAN;
    case Types.CHAR:
        return DbColumnType.STRING;
    case Types.CLOB:
        return DbColumnType.STRING;
    case Types.DATALINK:
        return DbColumnType.UNMAPPED;
    case Types.DATE:
        return DbColumnType.UNMAPPED;
    case Types.DECIMAL:
        return DbColumnType.DOUBLE;
    case Types.DISTINCT:
        return DbColumnType.UNMAPPED;
    case Types.DOUBLE:
        return DbColumnType.DOUBLE;
    case Types.FLOAT:
        return DbColumnType.DOUBLE;
    case Types.INTEGER:
        return DbColumnType.INT;
    case Types.JAVA_OBJECT:
        return DbColumnType.BLOB;
    case Types.LONGNVARCHAR:
        return DbColumnType.STRING;
    case Types.LONGVARBINARY:
        return DbColumnType.BLOB;
    case Types.LONGVARCHAR:
        return DbColumnType.STRING;
    case Types.NCHAR:
        return DbColumnType.STRING;
    case Types.NCLOB:
        return DbColumnType.STRING;
    case Types.NULL:
        return DbColumnType.UNMAPPED;
    case Types.NUMERIC:
        return DbColumnType.DOUBLE;
    case Types.NVARCHAR:
        return DbColumnType.STRING;
    case Types.OTHER:
        return DbColumnType.UNMAPPED;
    case Types.REAL:
        return DbColumnType.DOUBLE;
    case Types.REF:
        return DbColumnType.UNMAPPED;
    case Types.ROWID:
        return DbColumnType.STRING;
    case Types.SMALLINT:
        return DbColumnType.INT;
    case Types.SQLXML:
        return DbColumnType.STRING;
    case Types.STRUCT:
        return DbColumnType.UNMAPPED;
    case Types.TIME:
        return DbColumnType.UNMAPPED;
    case Types.TIMESTAMP:
        return DbColumnType.LONG;
    case Types.TINYINT:
        return DbColumnType.INT;
    case Types.VARBINARY:
        return DbColumnType.BLOB;
    case Types.VARCHAR:
        return DbColumnType.STRING;
    default:
        return DbColumnType.UNMAPPED;
    }
}

From source file:helma.objectmodel.db.NodeManager.java

/**
 *  Create a new Node from a ResultSet./*w  ww  .  j a  v  a 2 s  .c  o m*/
 */
public Node createNode(DbMapping dbm, ResultSet rs, DbColumn[] columns, int offset)
        throws SQLException, IOException, ClassNotFoundException {
    HashMap propBuffer = new HashMap();
    String id = null;
    String name = null;
    String protoName = dbm.getTypeName();
    DbMapping dbmap = dbm;

    Node node = new Node(safe);

    for (int i = 0; i < columns.length; i++) {

        int columnNumber = i + 1 + offset;

        // set prototype?
        if (columns[i].isPrototypeField()) {
            String protoId = rs.getString(columnNumber);
            protoName = dbm.getPrototypeName(protoId);

            if (protoName != null) {
                dbmap = getDbMapping(protoName);

                if (dbmap == null) {
                    // invalid prototype name!
                    app.logError("No prototype defined for prototype mapping \"" + protoName
                            + "\" - Using default prototype \"" + dbm.getTypeName() + "\".");
                    dbmap = dbm;
                    protoName = dbmap.getTypeName();
                }
            }
        }

        // set id?
        if (columns[i].isIdField()) {
            id = rs.getString(columnNumber);
            // if id == null, the object doesn't actually exist - return null
            if (id == null) {
                return null;
            }
        }

        // set name?
        if (columns[i].isNameField()) {
            name = rs.getString(columnNumber);
        }

        Property newprop = new Property(node);

        switch (columns[i].getType()) {
        case Types.BIT:
        case Types.BOOLEAN:
            newprop.setBooleanValue(rs.getBoolean(columnNumber));

            break;

        case Types.TINYINT:
        case Types.BIGINT:
        case Types.SMALLINT:
        case Types.INTEGER:
            newprop.setIntegerValue(rs.getLong(columnNumber));

            break;

        case Types.REAL:
        case Types.FLOAT:
        case Types.DOUBLE:
            newprop.setFloatValue(rs.getDouble(columnNumber));

            break;

        case Types.DECIMAL:
        case Types.NUMERIC:

            BigDecimal num = rs.getBigDecimal(columnNumber);
            if (num == null) {
                break;
            }
            if (num.scale() > 0) {
                newprop.setFloatValue(num.doubleValue());
            } else {
                newprop.setIntegerValue(num.longValue());
            }

            break;

        case Types.VARBINARY:
        case Types.BINARY:
            newprop.setJavaObjectValue(rs.getBytes(columnNumber));

            break;

        case Types.BLOB:
        case Types.LONGVARBINARY: {
            InputStream in = rs.getBinaryStream(columnNumber);
            if (in == null) {
                break;
            }
            ByteArrayOutputStream bout = new ByteArrayOutputStream();
            byte[] buffer = new byte[2048];
            int read;
            while ((read = in.read(buffer)) > -1) {
                bout.write(buffer, 0, read);
            }
            newprop.setJavaObjectValue(bout.toByteArray());
        }

            break;

        case Types.LONGVARCHAR:
            try {
                newprop.setStringValue(rs.getString(columnNumber));
            } catch (SQLException x) {
                Reader in = rs.getCharacterStream(columnNumber);
                if (in == null) {
                    newprop.setStringValue(null);
                    break;
                }
                StringBuffer out = new StringBuffer();
                char[] buffer = new char[2048];
                int read;
                while ((read = in.read(buffer)) > -1) {
                    out.append(buffer, 0, read);
                }
                newprop.setStringValue(out.toString());
            }

            break;

        case Types.CHAR:
        case Types.VARCHAR:
        case Types.OTHER:
            newprop.setStringValue(rs.getString(columnNumber));

            break;

        case Types.DATE:
        case Types.TIME:
        case Types.TIMESTAMP:
            newprop.setDateValue(rs.getTimestamp(columnNumber));

            break;

        case Types.NULL:
            newprop.setStringValue(null);

            break;

        case Types.CLOB:
            Clob cl = rs.getClob(columnNumber);
            if (cl == null) {
                newprop.setStringValue(null);
                break;
            }
            char[] c = new char[(int) cl.length()];
            Reader isr = cl.getCharacterStream();
            isr.read(c);
            newprop.setStringValue(String.copyValueOf(c));
            break;

        default:
            newprop.setStringValue(rs.getString(columnNumber));

            break;
        }

        if (rs.wasNull()) {
            newprop.setStringValue(null);
        }

        propBuffer.put(columns[i].getName(), newprop);

        // mark property as clean, since it's fresh from the db
        newprop.dirty = false;
    }

    if (id == null) {
        return null;
    } else {
        Transactor tx = Transactor.getInstance();
        if (tx != null) {
            // Check if the node is already registered with the transactor -
            // it may be in the process of being DELETED, but do return the
            // new node if the old one has been marked as INVALID.
            DbKey key = new DbKey(dbmap, id);
            Node dirtyNode = tx.getDirtyNode(key);
            if (dirtyNode != null && dirtyNode.getState() != Node.INVALID) {
                return dirtyNode;
            }
        }
    }

    Hashtable propMap = new Hashtable();
    DbColumn[] columns2 = dbmap.getColumns();
    for (int i = 0; i < columns2.length; i++) {
        Relation rel = columns2[i].getRelation();
        if (rel != null && rel.isPrimitiveOrReference()) {
            Property prop = (Property) propBuffer.get(columns2[i].getName());

            if (prop == null) {
                continue;
            }

            prop.setName(rel.propName);

            // if the property is a pointer to another node, change the property type to NODE
            if (rel.isReference() && rel.usesPrimaryKey()) {
                // FIXME: References to anything other than the primary key are not supported
                prop.convertToNodeReference(rel);
            }
            propMap.put(rel.propName, prop);
        }
    }

    node.init(dbmap, id, name, protoName, propMap);
    return node;
}

From source file:org.dspace.storage.rdbms.MockDatabaseManager.java

@Mock
private static void loadParameters(PreparedStatement statement, Collection<ColumnInfo> columns, TableRow row)
        throws SQLException {
    int count = 0;
    for (ColumnInfo info : columns) {
        count++;//from ww w  .  j a  v  a 2s.co  m
        String column = info.getName();
        int jdbctype = info.getType();

        if (row.isColumnNull(column)) {
            statement.setNull(count, jdbctype);
        } else {
            switch (jdbctype) {
            case Types.BIT:
            case Types.BOOLEAN:
                statement.setBoolean(count, row.getBooleanColumn(column));
                break;

            case Types.INTEGER:
                if (isOracle) {
                    statement.setLong(count, row.getLongColumn(column));
                } else {
                    statement.setInt(count, row.getIntColumn(column));
                }
                break;

            case Types.NUMERIC:
            case Types.DECIMAL:
                statement.setLong(count, row.getLongColumn(column));
                // FIXME should be BigDecimal if TableRow supported that
                break;

            case Types.BIGINT:
                statement.setLong(count, row.getLongColumn(column));
                break;

            case Types.CLOB:
                if (isOracle) {
                    // Support CLOBs in place of TEXT columns in Oracle
                    statement.setString(count, row.getStringColumn(column));
                } else {
                    throw new IllegalArgumentException("Unsupported JDBC type: " + jdbctype);
                }
                break;

            case Types.VARCHAR:
                statement.setString(count, row.getStringColumn(column));
                break;

            case Types.DATE:
                statement.setDate(count, new java.sql.Date(row.getDateColumn(column).getTime()));
                break;

            case Types.TIME:
                statement.setTime(count, new Time(row.getDateColumn(column).getTime()));
                break;

            case Types.TIMESTAMP:
                statement.setTimestamp(count, new Timestamp(row.getDateColumn(column).getTime()));
                break;

            default:
                throw new IllegalArgumentException("Unsupported JDBC type: " + jdbctype);
            }
        }
    }
}

From source file:com.manydesigns.portofino.actions.admin.appwizard.ApplicationWizard.java

protected void detectBooleanColumn(Table table, Column column) {
    if (detectedBooleanColumns.contains(column)) {
        return;/*w w w.j  a  v a 2  s  . c  o m*/
    }

    if (column.getJdbcType() == Types.INTEGER || column.getJdbcType() == Types.DECIMAL
            || column.getJdbcType() == Types.NUMERIC) {
        logger.info("Detecting whether numeric column " + column.getQualifiedName()
                + " is boolean by examining " + "its values...");

        // Detect booleans
        Connection connection = null;

        try {
            connection = connectionProvider.acquireConnection();
            liquibase.database.Database implementation = DatabaseFactory.getInstance()
                    .findCorrectDatabaseImplementation(new JdbcConnection(connection));
            String sql = "select count(" + implementation.escapeDatabaseObject(column.getColumnName()) + ") "
                    + "from " + implementation.escapeTableName(table.getSchemaName(), table.getTableName());
            PreparedStatement statement = connection.prepareStatement(sql);
            setQueryTimeout(statement, 1);
            statement.setMaxRows(1);
            ResultSet rs = statement.executeQuery();
            Long count = null;
            if (rs.next()) {
                count = safeGetLong(rs, 1);
            }

            if (count == null || count < 10) {
                logger.info("Cannot determine if numeric column {} is boolean, count is {}",
                        column.getQualifiedName(), count);
                return;
            }

            sql = "select distinct(" + implementation.escapeDatabaseObject(column.getColumnName()) + ") "
                    + "from " + implementation.escapeTableName(table.getSchemaName(), table.getTableName());
            statement = connection.prepareStatement(sql);
            setQueryTimeout(statement, 1);
            statement.setMaxRows(3);
            rs = statement.executeQuery();
            int valueCount = 0;
            boolean only0and1 = true;
            while (rs.next()) {
                valueCount++;
                if (valueCount > 2) {
                    only0and1 = false;
                    break;
                }
                Long value = safeGetLong(rs, 1);
                only0and1 &= value != null && (value == 0 || value == 1);
            }
            if (only0and1 && valueCount == 2) {
                logger.info("Column appears to be of boolean type.");
                column.setJavaType(Boolean.class.getName());
            } else {
                logger.info("Column appears not to be of boolean type.");
            }
            statement.close();
        } catch (Exception e) {
            logger.debug("Could not determine whether column " + column.getQualifiedName() + " is boolean", e);
            logger.info("Could not determine whether column " + column.getQualifiedName() + " is boolean");
        } finally {
            try {
                if (connection != null) {
                    connection.close();
                }
            } catch (SQLException e) {
                logger.error("Could not close connection", e);
            }
        }
        detectedBooleanColumns.add(column);
    }
}

From source file:helma.objectmodel.db.NodeManager.java

private void setStatementValue(PreparedStatement stmt, int stmtNumber, Property p, int columnType)
        throws SQLException {
    if (p.getValue() == null) {
        stmt.setNull(stmtNumber, columnType);
    } else {// w ww  .  ja  v  a 2 s  .c  o  m
        switch (columnType) {
        case Types.BIT:
        case Types.BOOLEAN:
            stmt.setBoolean(stmtNumber, p.getBooleanValue());

            break;

        case Types.TINYINT:
        case Types.BIGINT:
        case Types.SMALLINT:
        case Types.INTEGER:
            stmt.setLong(stmtNumber, p.getIntegerValue());

            break;

        case Types.REAL:
        case Types.FLOAT:
        case Types.DOUBLE:
        case Types.NUMERIC:
        case Types.DECIMAL:
            stmt.setDouble(stmtNumber, p.getFloatValue());

            break;

        case Types.LONGVARBINARY:
        case Types.VARBINARY:
        case Types.BINARY:
        case Types.BLOB:
            Object b = p.getJavaObjectValue();
            if (b instanceof byte[]) {
                byte[] buf = (byte[]) b;
                try {
                    stmt.setBytes(stmtNumber, buf);
                } catch (SQLException x) {
                    ByteArrayInputStream bout = new ByteArrayInputStream(buf);
                    stmt.setBinaryStream(stmtNumber, bout, buf.length);
                }
            } else {
                throw new SQLException(
                        "expected byte[] for binary column '" + p.getName() + "', found " + b.getClass());
            }

            break;

        case Types.LONGVARCHAR:
            try {
                stmt.setString(stmtNumber, p.getStringValue());
            } catch (SQLException x) {
                String str = p.getStringValue();
                Reader r = new StringReader(str);
                stmt.setCharacterStream(stmtNumber, r, str.length());
            }

            break;

        case Types.CLOB:
            String val = p.getStringValue();
            Reader isr = new StringReader(val);
            stmt.setCharacterStream(stmtNumber, isr, val.length());

            break;

        case Types.CHAR:
        case Types.VARCHAR:
        case Types.OTHER:
            stmt.setString(stmtNumber, p.getStringValue());

            break;

        case Types.DATE:
        case Types.TIME:
        case Types.TIMESTAMP:
            stmt.setTimestamp(stmtNumber, p.getTimestampValue());

            break;

        case Types.NULL:
            stmt.setNull(stmtNumber, 0);

            break;

        default:
            stmt.setString(stmtNumber, p.getStringValue());

            break;
        }
    }
}