List of usage examples for java.sql Types FLOAT
int FLOAT
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The constant in the Java programming language, sometimes referred to as a type code, that identifies the generic SQL type FLOAT.
From source file:com.flexive.core.storage.GenericDivisionExporter.java
/** * Dump a generic table to XML// w w w . j av a 2s . com * * @param tableName name of the table * @param stmt an open statement * @param out output stream * @param sb an available and valid StringBuilder * @param xmlTag name of the xml tag to write per row * @param idColumn (optional) id column to sort results * @param onlyBinaries process binary fields (else these will be ignored) * @throws SQLException on errors * @throws IOException on errors */ private void dumpTable(String tableName, Statement stmt, OutputStream out, StringBuilder sb, String xmlTag, String idColumn, boolean onlyBinaries) throws SQLException, IOException { ResultSet rs = stmt.executeQuery("SELECT * FROM " + tableName + (StringUtils.isEmpty(idColumn) ? "" : " ORDER BY " + idColumn + " ASC")); final ResultSetMetaData md = rs.getMetaData(); String value, att; boolean hasSubTags; while (rs.next()) { hasSubTags = false; if (!onlyBinaries) { sb.setLength(0); sb.append(" <").append(xmlTag); } for (int i = 1; i <= md.getColumnCount(); i++) { value = null; att = md.getColumnName(i).toLowerCase(); switch (md.getColumnType(i)) { case java.sql.Types.DECIMAL: case java.sql.Types.NUMERIC: case java.sql.Types.BIGINT: if (!onlyBinaries) { value = String.valueOf(rs.getBigDecimal(i)); if (rs.wasNull()) value = null; } break; case java.sql.Types.INTEGER: case java.sql.Types.SMALLINT: case java.sql.Types.TINYINT: if (!onlyBinaries) { value = String.valueOf(rs.getLong(i)); if (rs.wasNull()) value = null; } break; case java.sql.Types.DOUBLE: case java.sql.Types.FLOAT: case java.sql.Types.REAL: if (!onlyBinaries) { value = String.valueOf(rs.getDouble(i)); if (rs.wasNull()) value = null; } break; case java.sql.Types.TIMESTAMP: case java.sql.Types.DATE: if (!onlyBinaries) { final Timestamp ts = rs.getTimestamp(i); if (rs.wasNull()) value = null; else value = FxFormatUtils.getDateTimeFormat().format(ts); } break; case java.sql.Types.BIT: case java.sql.Types.CHAR: case java.sql.Types.BOOLEAN: if (!onlyBinaries) { value = rs.getBoolean(i) ? "1" : "0"; if (rs.wasNull()) value = null; } break; case java.sql.Types.CLOB: case java.sql.Types.BLOB: case java.sql.Types.LONGVARBINARY: case java.sql.Types.LONGVARCHAR: case java.sql.Types.VARBINARY: case java.sql.Types.VARCHAR: case java.sql.Types.BINARY: case SQL_LONGNVARCHAR: case SQL_NCHAR: case SQL_NCLOB: case SQL_NVARCHAR: hasSubTags = true; break; default: LOG.warn("Unhandled type [" + md.getColumnType(i) + "] for [" + tableName + "." + att + "]"); } if (value != null && !onlyBinaries) sb.append(' ').append(att).append("=\"").append(value).append("\""); } if (hasSubTags) { if (!onlyBinaries) sb.append(">\n"); for (int i = 1; i <= md.getColumnCount(); i++) { switch (md.getColumnType(i)) { case java.sql.Types.VARBINARY: case java.sql.Types.LONGVARBINARY: case java.sql.Types.BLOB: case java.sql.Types.BINARY: if (idColumn == null) throw new IllegalArgumentException("Id column required to process binaries!"); String binFile = FOLDER_BINARY + "/BIN_" + String.valueOf(rs.getLong(idColumn)) + "_" + i + ".blob"; att = md.getColumnName(i).toLowerCase(); if (onlyBinaries) { if (!(out instanceof ZipOutputStream)) throw new IllegalArgumentException( "out has to be a ZipOutputStream to store binaries!"); ZipOutputStream zip = (ZipOutputStream) out; InputStream in = rs.getBinaryStream(i); if (rs.wasNull()) break; ZipEntry ze = new ZipEntry(binFile); zip.putNextEntry(ze); byte[] buffer = new byte[4096]; int read; while ((read = in.read(buffer)) != -1) zip.write(buffer, 0, read); in.close(); zip.closeEntry(); zip.flush(); } else { InputStream in = rs.getBinaryStream(i); //need to fetch to see if it is empty if (rs.wasNull()) break; in.close(); sb.append(" <").append(att).append(">").append(binFile).append("</").append(att) .append(">\n"); } break; case java.sql.Types.CLOB: case SQL_LONGNVARCHAR: case SQL_NCHAR: case SQL_NCLOB: case SQL_NVARCHAR: case java.sql.Types.LONGVARCHAR: case java.sql.Types.VARCHAR: if (!onlyBinaries) { value = rs.getString(i); if (rs.wasNull()) break; att = md.getColumnName(i).toLowerCase(); sb.append(" <").append(att).append('>'); escape(sb, value); sb.append("</").append(att).append(">\n"); } break; } } if (!onlyBinaries) sb.append(" </").append(xmlTag).append(">\n"); } else { if (!onlyBinaries) sb.append("/>\n"); } if (!onlyBinaries) write(out, sb); } }
From source file:org.sakaiproject.webservices.SakaiReport.java
protected String toCsvString(ResultSet rs, boolean includeHeaderRow) throws IOException, SQLException { StringWriter stringWriter = new StringWriter(); CsvWriter writer = new CsvWriter(stringWriter, ','); writer.setRecordDelimiter('\n'); writer.setForceQualifier(true);//from w ww .j av a2s . co m ResultSetMetaData rsmd = rs.getMetaData(); int numColumns = rsmd.getColumnCount(); if (includeHeaderRow) { String[] row = new String[numColumns]; for (int i = 1; i < numColumns + 1; i++) { row[i - 1] = rsmd.getColumnLabel(i); } writer.writeRecord(row); } while (rs.next()) { String[] row = new String[numColumns]; for (int i = 1; i < numColumns + 1; i++) { String column_name = rsmd.getColumnName(i); LOG.debug("Column Name=" + column_name + ",type=" + rsmd.getColumnType(i)); switch (rsmd.getColumnType(i)) { case Types.BIGINT: row[i - 1] = String.valueOf(rs.getInt(i)); break; case Types.BOOLEAN: row[i - 1] = String.valueOf(rs.getBoolean(i)); break; case Types.BLOB: row[i - 1] = rs.getBlob(i).toString(); break; case Types.DOUBLE: row[i - 1] = String.valueOf(rs.getDouble(i)); break; case Types.FLOAT: row[i - 1] = String.valueOf(rs.getFloat(i)); break; case Types.INTEGER: row[i - 1] = String.valueOf(rs.getInt(i)); break; case Types.LONGVARCHAR: row[i - 1] = rs.getString(i); break; case Types.NVARCHAR: row[i - 1] = rs.getNString(i); break; case Types.VARCHAR: row[i - 1] = rs.getString(i); break; case Types.TINYINT: row[i - 1] = String.valueOf(rs.getInt(i)); break; case Types.SMALLINT: row[i - 1] = String.valueOf(rs.getInt(i)); break; case Types.DATE: row[i - 1] = rs.getDate(i).toString(); break; case Types.TIMESTAMP: row[i - 1] = rs.getTimestamp(i).toString(); break; default: row[i - 1] = rs.getString(i); break; } LOG.debug("value: " + row[i - 1]); } writer.writeRecord(row); //writer.endRecord(); } LOG.debug("csv output:" + stringWriter.toString()); return stringWriter.toString(); }
From source file:org.jfree.data.jdbc.JDBCXYDataset.java
/** * ExecuteQuery will attempt execute the query passed to it against the * provided database connection. If connection is null then no action is * taken./*from w w w . j a v a 2s . com*/ * * The results from the query are extracted and cached locally, thus * applying an upper limit on how many rows can be retrieved successfully. * * @param query the query to be executed. * @param con the connection the query is to be executed against. * * @throws SQLException if there is a problem executing the query. */ public void executeQuery(Connection con, String query) throws SQLException { if (con == null) { throw new SQLException("There is no database to execute the query."); } ResultSet resultSet = null; Statement statement = null; try { statement = con.createStatement(); resultSet = statement.executeQuery(query); ResultSetMetaData metaData = resultSet.getMetaData(); int numberOfColumns = metaData.getColumnCount(); int numberOfValidColumns = 0; int[] columnTypes = new int[numberOfColumns]; for (int column = 0; column < numberOfColumns; column++) { try { int type = metaData.getColumnType(column + 1); switch (type) { case Types.NUMERIC: case Types.REAL: case Types.INTEGER: case Types.DOUBLE: case Types.FLOAT: case Types.DECIMAL: case Types.BIT: case Types.DATE: case Types.TIME: case Types.TIMESTAMP: case Types.BIGINT: case Types.SMALLINT: ++numberOfValidColumns; columnTypes[column] = type; break; default: columnTypes[column] = Types.NULL; break; } } catch (SQLException e) { columnTypes[column] = Types.NULL; throw e; } } if (numberOfValidColumns <= 1) { throw new SQLException("Not enough valid columns where generated by query."); } /// First column is X data this.columnNames = new String[numberOfValidColumns - 1]; /// Get the column names and cache them. int currentColumn = 0; for (int column = 1; column < numberOfColumns; column++) { if (columnTypes[column] != Types.NULL) { this.columnNames[currentColumn] = metaData.getColumnLabel(column + 1); ++currentColumn; } } // Might need to add, to free memory from any previous result sets if (this.rows != null) { for (int column = 0; column < this.rows.size(); column++) { ArrayList row = (ArrayList) this.rows.get(column); row.clear(); } this.rows.clear(); } // Are we working with a time series. switch (columnTypes[0]) { case Types.DATE: case Types.TIME: case Types.TIMESTAMP: this.isTimeSeries = true; break; default: this.isTimeSeries = false; break; } // Get all rows. // rows = new ArrayList(); while (resultSet.next()) { ArrayList newRow = new ArrayList(); for (int column = 0; column < numberOfColumns; column++) { Object xObject = resultSet.getObject(column + 1); switch (columnTypes[column]) { case Types.NUMERIC: case Types.REAL: case Types.INTEGER: case Types.DOUBLE: case Types.FLOAT: case Types.DECIMAL: case Types.BIGINT: case Types.SMALLINT: newRow.add(xObject); break; case Types.DATE: case Types.TIME: case Types.TIMESTAMP: newRow.add(new Long(((Date) xObject).getTime())); break; case Types.NULL: break; default: System.err.println("Unknown data"); columnTypes[column] = Types.NULL; break; } } this.rows.add(newRow); } /// a kludge to make everything work when no rows returned if (this.rows.size() == 0) { ArrayList newRow = new ArrayList(); for (int column = 0; column < numberOfColumns; column++) { if (columnTypes[column] != Types.NULL) { newRow.add(new Integer(0)); } } this.rows.add(newRow); } /// Determine max and min values. if (this.rows.size() < 1) { this.maxValue = 0.0; this.minValue = 0.0; } else { ArrayList row = (ArrayList) this.rows.get(0); this.maxValue = Double.NEGATIVE_INFINITY; this.minValue = Double.POSITIVE_INFINITY; for (int rowNum = 0; rowNum < this.rows.size(); ++rowNum) { row = (ArrayList) this.rows.get(rowNum); for (int column = 1; column < numberOfColumns; column++) { Object testValue = row.get(column); if (testValue != null) { double test = ((Number) testValue).doubleValue(); if (test < this.minValue) { this.minValue = test; } if (test > this.maxValue) { this.maxValue = test; } } } } } fireDatasetChanged(new DatasetChangeInfo()); //TODO: fill in real change info } finally { if (resultSet != null) { try { resultSet.close(); } catch (Exception e) { // TODO: is this a good idea? } } if (statement != null) { try { statement.close(); } catch (Exception e) { // TODO: is this a good idea? } } } }
From source file:org.pentaho.di.jdbc.Support.java
/** * Convert an existing data object to the specified JDBC type. * * @param callerReference an object reference to the caller of this method; * must be a <code>Connection</code>, * <code>Statement</code> or <code>ResultSet</code> * @param x the data object to convert * @param jdbcType the required type constant from * <code>java.sql.Types</code> * @return the converted data object/*from w ww .j a va 2s. c om*/ * @throws SQLException if the conversion is not supported or fails */ static Object convert(Object callerReference, Object x, int jdbcType, String charSet) throws SQLException { try { switch (jdbcType) { case java.sql.Types.TINYINT: case java.sql.Types.SMALLINT: case java.sql.Types.INTEGER: if (x == null) { return INTEGER_ZERO; } else if (x instanceof Integer) { return x; } else if (x instanceof Byte) { return new Integer(((Byte) x).byteValue() & 0xFF); } else if (x instanceof Number) { return new Integer(((Number) x).intValue()); } else if (x instanceof String) { return new Integer(((String) x).trim()); } else if (x instanceof Boolean) { return ((Boolean) x).booleanValue() ? INTEGER_ONE : INTEGER_ZERO; } break; case java.sql.Types.BIGINT: if (x == null) { return LONG_ZERO; } else if (x instanceof Long) { return x; } else if (x instanceof Byte) { return new Long(((Byte) x).byteValue() & 0xFF); } else if (x instanceof Number) { return new Long(((Number) x).longValue()); } else if (x instanceof String) { return new Long(((String) x).trim()); } else if (x instanceof Boolean) { return ((Boolean) x).booleanValue() ? LONG_ONE : LONG_ZERO; } break; case java.sql.Types.REAL: if (x == null) { return FLOAT_ZERO; } else if (x instanceof Float) { return x; } else if (x instanceof Byte) { return new Float(((Byte) x).byteValue() & 0xFF); } else if (x instanceof Number) { return new Float(((Number) x).floatValue()); } else if (x instanceof String) { return new Float(((String) x).trim()); } else if (x instanceof Boolean) { return ((Boolean) x).booleanValue() ? FLOAT_ONE : FLOAT_ZERO; } break; case java.sql.Types.FLOAT: case java.sql.Types.DOUBLE: if (x == null) { return DOUBLE_ZERO; } else if (x instanceof Double) { return x; } else if (x instanceof Byte) { return new Double(((Byte) x).byteValue() & 0xFF); } else if (x instanceof Number) { return new Double(((Number) x).doubleValue()); } else if (x instanceof String) { return new Double(((String) x).trim()); } else if (x instanceof Boolean) { return ((Boolean) x).booleanValue() ? DOUBLE_ONE : DOUBLE_ZERO; } break; case java.sql.Types.NUMERIC: case java.sql.Types.DECIMAL: if (x == null) { return null; } else if (x instanceof BigDecimal) { return x; } else if (x instanceof Number) { return new BigDecimal(x.toString()); } else if (x instanceof String) { return new BigDecimal((String) x); } else if (x instanceof Boolean) { return ((Boolean) x).booleanValue() ? BIG_DECIMAL_ONE : BIG_DECIMAL_ZERO; } break; case java.sql.Types.VARCHAR: case java.sql.Types.CHAR: if (x == null) { return null; } else if (x instanceof String) { return x; } else if (x instanceof Number) { return x.toString(); } else if (x instanceof Boolean) { return ((Boolean) x).booleanValue() ? "1" : "0"; } else if (x instanceof Clob) { Clob clob = (Clob) x; long length = clob.length(); if (length > Integer.MAX_VALUE) { throw new SQLException(BaseMessages.getString(PKG, "error.normalize.lobtoobig"), "22000"); } return clob.getSubString(1, (int) length); } else if (x instanceof Blob) { Blob blob = (Blob) x; long length = blob.length(); if (length > Integer.MAX_VALUE) { throw new SQLException(BaseMessages.getString(PKG, "error.normalize.lobtoobig"), "22000"); } x = blob.getBytes(1, (int) length); } if (x instanceof byte[]) { return toHex((byte[]) x); } return x.toString(); // Last hope! case java.sql.Types.BIT: case java.sql.Types.BOOLEAN: if (x == null) { return Boolean.FALSE; } else if (x instanceof Boolean) { return x; } else if (x instanceof Number) { return (((Number) x).intValue() == 0) ? Boolean.FALSE : Boolean.TRUE; } else if (x instanceof String) { String tmp = ((String) x).trim(); return ("1".equals(tmp) || "true".equalsIgnoreCase(tmp)) ? Boolean.TRUE : Boolean.FALSE; } break; case java.sql.Types.VARBINARY: case java.sql.Types.BINARY: if (x == null) { return null; } else if (x instanceof byte[]) { return x; } else if (x instanceof Blob) { Blob blob = (Blob) x; return blob.getBytes(1, (int) blob.length()); } else if (x instanceof Clob) { Clob clob = (Clob) x; long length = clob.length(); if (length > Integer.MAX_VALUE) { throw new SQLException(BaseMessages.getString(PKG, "error.normalize.lobtoobig"), "22000"); } x = clob.getSubString(1, (int) length); } if (x instanceof String) { // // Strictly speaking this conversion is not required by // the JDBC standard but jTDS has always supported it. // if (charSet == null) { charSet = "ISO-8859-1"; } try { return ((String) x).getBytes(charSet); } catch (UnsupportedEncodingException e) { return ((String) x).getBytes(); } } else if (x instanceof UniqueIdentifier) { return ((UniqueIdentifier) x).getBytes(); } break; case java.sql.Types.TIMESTAMP: if (x == null) { return null; } else if (x instanceof DateTime) { return ((DateTime) x).toTimestamp(); } else if (x instanceof java.sql.Timestamp) { return x; } else if (x instanceof java.sql.Date) { return new java.sql.Timestamp(((java.sql.Date) x).getTime()); } else if (x instanceof java.sql.Time) { return new java.sql.Timestamp(((java.sql.Time) x).getTime()); } else if (x instanceof java.lang.String) { return java.sql.Timestamp.valueOf(((String) x).trim()); } break; case java.sql.Types.DATE: if (x == null) { return null; } else if (x instanceof DateTime) { return ((DateTime) x).toDate(); } else if (x instanceof java.sql.Date) { return x; } else if (x instanceof java.sql.Time) { return DATE_ZERO; } else if (x instanceof java.sql.Timestamp) { synchronized (cal) { cal.setTime((java.util.Date) x); cal.set(Calendar.HOUR_OF_DAY, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); // VM1.4+ only return new java.sql.Date(cal.getTimeInMillis()); return new java.sql.Date(cal.getTime().getTime()); } } else if (x instanceof java.lang.String) { return java.sql.Date.valueOf(((String) x).trim()); } break; case java.sql.Types.TIME: if (x == null) { return null; } else if (x instanceof DateTime) { return ((DateTime) x).toTime(); } else if (x instanceof java.sql.Time) { return x; } else if (x instanceof java.sql.Date) { return TIME_ZERO; } else if (x instanceof java.sql.Timestamp) { synchronized (cal) { // VM 1.4+ only cal.setTimeInMillis(((java.sql.Timestamp)x).getTime()); cal.setTime((java.util.Date) x); cal.set(Calendar.YEAR, 1970); cal.set(Calendar.MONTH, 0); cal.set(Calendar.DAY_OF_MONTH, 1); // VM 1.4+ only return new java.sql.Time(cal.getTimeInMillis());*/ return new java.sql.Time(cal.getTime().getTime()); } } else if (x instanceof java.lang.String) { return java.sql.Time.valueOf(((String) x).trim()); } break; case java.sql.Types.OTHER: return x; case java.sql.Types.JAVA_OBJECT: throw new SQLException(BaseMessages.getString(PKG, "error.convert.badtypes", x.getClass().getName(), getJdbcTypeName(jdbcType)), "22005"); case java.sql.Types.LONGVARBINARY: case java.sql.Types.BLOB: if (x == null) { return null; } else if (x instanceof Blob) { return x; } else if (x instanceof byte[]) { return new BlobImpl(getConnection(callerReference), (byte[]) x); } else if (x instanceof Clob) { // // Convert CLOB to BLOB. Not required by the standard but we will // do it anyway. // Clob clob = (Clob) x; try { if (charSet == null) { charSet = "ISO-8859-1"; } Reader rdr = clob.getCharacterStream(); BlobImpl blob = new BlobImpl(getConnection(callerReference)); BufferedWriter out = new BufferedWriter( new OutputStreamWriter(blob.setBinaryStream(1), charSet)); // TODO Use a buffer to improve performance int c; while ((c = rdr.read()) >= 0) { out.write(c); } out.close(); rdr.close(); return blob; } catch (UnsupportedEncodingException e) { // Unlikely to happen but fall back on in memory copy x = clob.getSubString(1, (int) clob.length()); } catch (IOException e) { throw new SQLException(BaseMessages.getString(PKG, "error.generic.ioerror", e.getMessage()), "HY000"); } } if (x instanceof String) { // // Strictly speaking this conversion is also not required by // the JDBC standard but jTDS has always supported it. // BlobImpl blob = new BlobImpl(getConnection(callerReference)); String data = (String) x; if (charSet == null) { charSet = "ISO-8859-1"; } try { blob.setBytes(1, data.getBytes(charSet)); } catch (UnsupportedEncodingException e) { blob.setBytes(1, data.getBytes()); } return blob; } break; case java.sql.Types.LONGVARCHAR: case java.sql.Types.CLOB: if (x == null) { return null; } else if (x instanceof Clob) { return x; } else if (x instanceof Blob) { // // Convert BLOB to CLOB // Blob blob = (Blob) x; try { InputStream is = blob.getBinaryStream(); ClobImpl clob = new ClobImpl(getConnection(callerReference)); Writer out = clob.setCharacterStream(1); // TODO Use a buffer to improve performance int b; // These reads/writes are buffered by the undelying blob buffers while ((b = is.read()) >= 0) { out.write(hex[b >> 4]); out.write(hex[b & 0x0F]); } out.close(); is.close(); return clob; } catch (IOException e) { throw new SQLException(BaseMessages.getString(PKG, "error.generic.ioerror", e.getMessage()), "HY000"); } } else if (x instanceof Boolean) { x = ((Boolean) x).booleanValue() ? "1" : "0"; } else if (!(x instanceof byte[])) { x = x.toString(); } if (x instanceof byte[]) { ClobImpl clob = new ClobImpl(getConnection(callerReference)); clob.setString(1, toHex((byte[]) x)); return clob; } else if (x instanceof String) { return new ClobImpl(getConnection(callerReference), (String) x); } break; default: throw new SQLException( BaseMessages.getString(PKG, "error.convert.badtypeconst", getJdbcTypeName(jdbcType)), "HY004"); } throw new SQLException(BaseMessages.getString(PKG, "error.convert.badtypes", x.getClass().getName(), getJdbcTypeName(jdbcType)), "22005"); } catch (NumberFormatException nfe) { throw new SQLException( BaseMessages.getString(PKG, "error.convert.badnumber", getJdbcTypeName(jdbcType)), "22000"); } }
From source file:org.trafodion.rest.util.JdbcT2Util.java
private synchronized JSONArray convertResultSetToJSON(java.sql.ResultSet rs) throws Exception { if (LOG.isDebugEnabled()) LOG.debug("Begin convertResultSetToJSON"); JSONArray json = new JSONArray(); try {//ww w. j a va 2 s .co m java.sql.ResultSetMetaData rsmd = rs.getMetaData(); while (rs.next()) { int numColumns = rsmd.getColumnCount(); JSONObject obj = new JSONObject(); for (int i = 1; i < numColumns + 1; i++) { String column_name = rsmd.getColumnName(i); if (rsmd.getColumnType(i) == java.sql.Types.ARRAY) { obj.put(column_name, rs.getArray(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.BIGINT) { obj.put(column_name, rs.getLong(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.BOOLEAN) { obj.put(column_name, rs.getBoolean(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.BLOB) { obj.put(column_name, rs.getBlob(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.DOUBLE) { obj.put(column_name, rs.getDouble(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.FLOAT) { obj.put(column_name, rs.getFloat(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.INTEGER) { obj.put(column_name, rs.getInt(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.NVARCHAR) { obj.put(column_name, rs.getNString(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.CHAR || rsmd.getColumnType(i) == java.sql.Types.VARCHAR) { //prevent obj.put from removing null key value from JSONObject String s = rs.getString(column_name); if (s == null) obj.put(column_name, new String("")); else obj.put(column_name, rs.getString(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.TINYINT) { obj.put(column_name, rs.getInt(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.SMALLINT) { obj.put(column_name, rs.getInt(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.DATE) { obj.put(column_name, rs.getDate(column_name)); } else if (rsmd.getColumnType(i) == java.sql.Types.TIMESTAMP) { obj.put(column_name, rs.getTimestamp(column_name)); } else { obj.put(column_name, rs.getObject(column_name)); } } //end foreach json.put(obj); } //end while } catch (SQLException e) { e.printStackTrace(); if (LOG.isDebugEnabled()) LOG.error(e.getMessage()); throw e; } catch (Exception e) { e.printStackTrace(); if (LOG.isDebugEnabled()) LOG.error(e.getMessage()); throw e; } if (LOG.isDebugEnabled()) LOG.debug("End convertResultSetToJSON"); return json; }
From source file:com.squid.core.domain.operators.ExtendedType.java
/** * compute a type "order" that can be used to compare types and promote types. * The order is a couple (x,y), where x represent a family type (string,date,numbers) and y an order in that family * A type should be promoted to the higher order. * @return//from w w w . j a v a 2 s. com */ public int[] computeTypeOrder() { switch (getDataType()) { case Types.BIT: return new int[] { NUMBER_ORDER, 0 }; case Types.BOOLEAN: return new int[] { NUMBER_ORDER, 1 }; case Types.TINYINT: return new int[] { NUMBER_ORDER, 2 }; case Types.SMALLINT: return new int[] { NUMBER_ORDER, 3 }; case Types.INTEGER: return new int[] { NUMBER_ORDER, 4 }; case Types.BIGINT: return new int[] { NUMBER_ORDER, 5 }; /////////////////////////// case Types.REAL: return new int[] { NUMBER_ORDER, 6 }; case Types.DOUBLE: case Types.FLOAT: return new int[] { NUMBER_ORDER, 7 }; case Types.DECIMAL: return new int[] { NUMBER_ORDER, 8 }; case Types.NUMERIC: return new int[] { NUMBER_ORDER, 9 }; ////////////////////////// case Types.CHAR: return new int[] { STRING_ORDER, 0 }; case Types.VARCHAR: return new int[] { STRING_ORDER, 1 }; case Types.LONGVARCHAR: return new int[] { STRING_ORDER, 2 }; case Types.CLOB: return new int[] { STRING_ORDER, 3 }; /////////////////////////// case Types.TIME: return new int[] { DATE_ORDER, 1 }; case Types.DATE: return new int[] { DATE_ORDER, 2 }; case Types.TIMESTAMP: return new int[] { DATE_ORDER, 3 }; case CustomTypes.INTERVAL: return new int[] { DATE_ORDER, 4 }; /////////////////////////// default: return new int[] { UNKNOWN_ORDER, 0 }; } }
From source file:org.apache.hadoop.sqoop.manager.SqlManager.java
public String toJavaType(int sqlType) { // mappings from http://java.sun.com/j2se/1.3/docs/guide/jdbc/getstart/mapping.html if (sqlType == Types.INTEGER) { return "Integer"; } else if (sqlType == Types.VARCHAR) { return "String"; } else if (sqlType == Types.CHAR) { return "String"; } else if (sqlType == Types.LONGVARCHAR) { return "String"; } else if (sqlType == Types.NUMERIC) { return "java.math.BigDecimal"; } else if (sqlType == Types.DECIMAL) { return "java.math.BigDecimal"; } else if (sqlType == Types.BIT) { return "Boolean"; } else if (sqlType == Types.BOOLEAN) { return "Boolean"; } else if (sqlType == Types.TINYINT) { return "Integer"; } else if (sqlType == Types.SMALLINT) { return "Integer"; } else if (sqlType == Types.BIGINT) { return "Long"; } else if (sqlType == Types.REAL) { return "Float"; } else if (sqlType == Types.FLOAT) { return "Double"; } else if (sqlType == Types.DOUBLE) { return "Double"; } else if (sqlType == Types.DATE) { return "java.sql.Date"; } else if (sqlType == Types.TIME) { return "java.sql.Time"; } else if (sqlType == Types.TIMESTAMP) { return "java.sql.Timestamp"; } else {//from w w w . j av a2 s .c o m // TODO(aaron): Support BINARY, VARBINARY, LONGVARBINARY, DISTINCT, CLOB, BLOB, ARRAY, // STRUCT, REF, JAVA_OBJECT. return null; } }
From source file:org.latticesoft.util.resource.dao.Param.java
private Object readValue(ResultSet rs) throws SQLException { Object retVal = null;// w w w.j ava2 s .c om switch (this.sqlType) { case Types.VARCHAR: case Types.CHAR: String s = null; if (this.getSqlIndex() == 0) { s = rs.getString(this.getSqlName()); } else { s = rs.getString(this.getSqlIndex()); } retVal = s; break; case Types.BOOLEAN: boolean b = false; if (this.getSqlIndex() == 0) { b = rs.getBoolean(this.getSqlName()); } else { b = rs.getBoolean(this.getSqlIndex()); } retVal = new Boolean(b); break; case Types.INTEGER: int i = 0; if (this.getSqlIndex() == 0) { i = rs.getInt(this.getSqlName()); } else { i = rs.getInt(this.getSqlIndex()); } retVal = new Integer(i); break; case Types.SMALLINT: short ss = 0; if (this.getSqlIndex() == 0) { ss = rs.getShort(this.getSqlName()); } else { ss = rs.getShort(this.getSqlIndex()); } retVal = new Short(ss); break; case Types.TINYINT: byte bb = 0; if (this.getSqlIndex() == 0) { bb = rs.getByte(this.getSqlName()); } else { bb = rs.getByte(this.getSqlIndex()); } retVal = new Byte(bb); break; case Types.BIGINT: long l = 0; if (this.getSqlIndex() == 0) { l = rs.getLong(this.getSqlName()); } else { l = rs.getLong(this.getSqlIndex()); } retVal = new Long(l); break; case Types.DOUBLE: double dd = 0; if (this.getSqlIndex() == 0) { dd = rs.getDouble(this.getSqlName()); } else { dd = rs.getDouble(this.getSqlIndex()); } retVal = new Double(dd); break; case Types.FLOAT: float f = 0; if (this.getSqlIndex() == 0) { f = rs.getFloat(this.getSqlName()); } else { f = rs.getFloat(this.getSqlIndex()); } retVal = new Float(f); break; case Types.NUMERIC: BigDecimal bd = null; if (this.getSqlIndex() == 0) { bd = rs.getBigDecimal(this.getSqlName()); } else { bd = rs.getBigDecimal(this.getSqlIndex()); } retVal = bd; break; case Types.TIMESTAMP: Timestamp ts = null; if (this.getSqlIndex() == 0) { ts = rs.getTimestamp(this.getSqlName()); } else { ts = rs.getTimestamp(this.getSqlIndex()); } retVal = ts; break; default: if (this.getSqlIndex() == 0) { retVal = rs.getObject(this.getSqlName()); } else { retVal = rs.getObject(this.getSqlIndex()); } break; } if (log.isDebugEnabled()) { log.debug(this.getAttribute() + "=" + retVal); } return retVal; }
From source file:org.apache.ddlutils.io.RoundtripTestBase.java
/** * Returns the original model adjusted for type changes because of the native type mappings * which when read back from the database will map to different types. * /* ww w . ja va2 s . c o m*/ * @return The adjusted model */ protected Database getAdjustedModel() { try { Database model = (Database) getModel().clone(); for (int tableIdx = 0; tableIdx < model.getTableCount(); tableIdx++) { Table table = model.getTable(tableIdx); for (int columnIdx = 0; columnIdx < table.getColumnCount(); columnIdx++) { Column column = table.getColumn(columnIdx); int origType = column.getTypeCode(); int targetType = getPlatformInfo().getTargetJdbcType(origType); // we adjust the column types if the native type would back-map to a // different jdbc type if (targetType != origType) { column.setTypeCode(targetType); // we should also adapt the default value if (column.getDefaultValue() != null) { DefaultValueHelper helper = getPlatform().getSqlBuilder().getDefaultValueHelper(); column.setDefaultValue(helper.convert(column.getDefaultValue(), origType, targetType)); } } // we also promote the default size if the column has no size // spec of its own if ((column.getSize() == null) && getPlatformInfo().hasSize(targetType)) { Integer defaultSize = getPlatformInfo().getDefaultSize(targetType); if (defaultSize != null) { column.setSize(defaultSize.toString()); } } // finally the platform might return a synthetic default value if the column // is a primary key column if (getPlatformInfo().isSyntheticDefaultValueForRequiredReturned() && (column.getDefaultValue() == null) && column.isRequired() && !column.isAutoIncrement()) { switch (column.getTypeCode()) { case Types.TINYINT: case Types.SMALLINT: case Types.INTEGER: case Types.BIGINT: column.setDefaultValue("0"); break; case Types.REAL: case Types.FLOAT: case Types.DOUBLE: column.setDefaultValue("0.0"); break; case Types.BIT: column.setDefaultValue("false"); break; default: column.setDefaultValue(""); break; } } } // we also add the default names to foreign keys that are initially unnamed for (int fkIdx = 0; fkIdx < table.getForeignKeyCount(); fkIdx++) { ForeignKey fk = table.getForeignKey(fkIdx); if (fk.getName() == null) { fk.setName(getPlatform().getSqlBuilder().getForeignKeyName(table, fk)); } } } return model; } catch (CloneNotSupportedException ex) { throw new RuntimeException(ex); } }
From source file:com.liferay.portal.upgrade.util.Table.java
public Object getValue(ResultSet rs, String name, Integer type) throws Exception { Object value = null;//from w ww.ja va 2s . co m int t = type.intValue(); if (t == Types.BIGINT) { try { value = GetterUtil.getLong(rs.getLong(name)); } catch (SQLException e) { value = GetterUtil.getLong(rs.getString(name)); } } else if (t == Types.BOOLEAN) { value = GetterUtil.getBoolean(rs.getBoolean(name)); } else if (t == Types.CLOB) { try { Clob clob = rs.getClob(name); if (clob == null) { value = StringPool.BLANK; } else { UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(clob.getCharacterStream()); StringBundler sb = new StringBundler(); String line = null; while ((line = unsyncBufferedReader.readLine()) != null) { if (sb.length() != 0) { sb.append(SAFE_NEWLINE_CHARACTER); } sb.append(line); } value = sb.toString(); } } catch (Exception e) { // If the database doesn't allow CLOB types for the column // value, then try retrieving it as a String value = GetterUtil.getString(rs.getString(name)); } } else if (t == Types.DOUBLE) { value = GetterUtil.getDouble(rs.getDouble(name)); } else if (t == Types.FLOAT) { value = GetterUtil.getFloat(rs.getFloat(name)); } else if (t == Types.INTEGER) { value = GetterUtil.getInteger(rs.getInt(name)); } else if (t == Types.SMALLINT) { value = GetterUtil.getShort(rs.getShort(name)); } else if (t == Types.TIMESTAMP) { try { value = rs.getTimestamp(name); } catch (Exception e) { } if (value == null) { value = StringPool.NULL; } } else if (t == Types.VARCHAR) { value = GetterUtil.getString(rs.getString(name)); } else { throw new UpgradeException("Upgrade code using unsupported class type " + type); } return value; }