List of usage examples for java.sql CallableStatement getParameterMetaData
ParameterMetaData getParameterMetaData() throws SQLException;
PreparedStatement object's parameters. From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); String simpleProc = "{ call simpleproc(?) }"; CallableStatement cs = conn.prepareCall(simpleProc); cs.registerOutParameter(1, java.sql.Types.INTEGER); cs.execute();// ww w .ja v a 2 s .c o m int param1 = cs.getInt(1); System.out.println("param1=" + param1); ParameterMetaData pmeta = cs.getParameterMetaData(); if (pmeta == null) { System.out.println("Vendor does not support ParameterMetaData"); } else { System.out.println(pmeta.getParameterType(1)); } conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); // Step-2: identify the stored procedure String simpleProc = "{ call simpleproc(?) }"; // Step-3: prepare the callable statement CallableStatement cs = conn.prepareCall(simpleProc); // Step-4: register output parameters ... cs.registerOutParameter(1, java.sql.Types.INTEGER); // Step-5: execute the stored procedures: proc3 cs.execute();// w w w . j a v a 2s.c o m // Step-6: extract the output parameters int param1 = cs.getInt(1); System.out.println("param1=" + param1); // Step-7: get ParameterMetaData ParameterMetaData pmeta = cs.getParameterMetaData(); if (pmeta == null) { System.out.println("Vendor does not support ParameterMetaData"); } else { System.out.println(pmeta.getParameterType(1)); } conn.close(); }
From source file:com.cisco.dvbu.ps.deploytool.services.RegressionManagerUtils.java
/** * Similar to the same method in original pubtest utility, but doesn't throw an exception if 0 rows are returned * and uses existing(established) JDBC connection corresponding to its published datasource name. * //from ww w. j av a 2 s .com */ public static String executeProcedure(RegressionItem item, HashMap<String, Connection> cisConnections, String outputFile, String delimiter, String printOutputType) throws CompositeException { // Set the command and action name String command = "executeProcedure"; String actionName = "REGRESSION_TEST"; int rows = 0; String result = null; Connection conn = null; CallableStatement stmt = null; ResultSet rs = null; start = System.currentTimeMillis(); long firstRowLatency = 0L; // Don't execute if -noop (NO_OPERATION) has been set otherwise execute under normal operation. if (CommonUtils.isExecOperation()) { try { conn = getJdbcConnection(item.database, cisConnections); // don't need to check for null here. String URL = null; String userName = null; if (conn.getMetaData() != null) { if (conn.getMetaData().getURL() != null) URL = conn.getMetaData().getURL(); if (conn.getMetaData().getUserName() != null) userName = conn.getMetaData().getUserName(); } RegressionManagerUtils.printOutputStr(printOutputType, "debug", "RegressionManagerUtils.executeQuery(item, cisConnections, outputFile, delimiter, printOutputType). item.database=" + item.database + " cisConnections.URL=" + URL + " cisConnections.userName=" + userName + " outputFile=" + outputFile + " delimiter=" + delimiter + " printOutputType=" + printOutputType, ""); RegressionManagerUtils.printOutputStr(printOutputType, "debug", "DEBUG: connection to DB successful", ""); String query = item.input.replaceAll("\n", " "); // Convert a CALL statement into a SELECT * FROM statement // { CALL SCH1.LookupProduct( 3 ) } --> SCH1.LookupProduce( 3 ) if (query.toUpperCase().contains("CALL")) { query = "SELECT * FROM " + RegressionManagerUtils.getProcedure(query); ; } // Prepare the query stmt = (CallableStatement) conn.prepareCall(query); // Register output parameter types for (int i = 0; i < item.outTypes.length; i++) { if (!"-".equals(item.outTypes[i])) { int jdbcType = -1; try { jdbcType = Types.class.getField(item.outTypes[i]).getInt(null); } catch (Exception e) { RegressionManagerUtils.error(item.lineNum, item.outTypes[i], "No such JDBC type in java.sql.Types"); } stmt.registerOutParameter(i + 1, jdbcType); } } stmt.executeQuery(); // Print scalars ParameterMetaData pmd = stmt.getParameterMetaData(); int params = pmd.getParameterCount(); boolean addSep = false; String content = ""; for (int i = 0; i < params; i++) { if (addSep) { content += delimiter; } if (stmt.getObject(i + 1) != null) content += stmt.getObject(i + 1).toString(); else content += ""; addSep = true; } if (outputFile != null) CommonUtils.appendContentToFile(outputFile, content); RegressionManagerUtils.printOutputStr(printOutputType, "results", content, ""); // Get the result cursor and metadata cursor rs = stmt.getResultSet(); ResultSetMetaData rsmd = rs.getMetaData(); int columns = rsmd.getColumnCount(); // Get the column metadata addSep = false; content = ""; for (int i = 0; i < columns; i++) { if (addSep) { content += delimiter; } if (rsmd.getColumnName(i + 1) != null) content += rsmd.getColumnName(i + 1).toString(); else content += ""; addSep = true; } if (outputFile != null) CommonUtils.appendContentToFile(outputFile, content); RegressionManagerUtils.printOutputStr(printOutputType, "results", content, ""); // Print cursors boolean firstRow = true; while (rs != null) { // Read the values while (rs.next()) { if (firstRow) { firstRowLatency = System.currentTimeMillis() - start; firstRow = false; } addSep = false; content = ""; for (int i = 0; i < columns; i++) { if (addSep) { content += delimiter; } if (rs.getObject(i + 1) != null) content += rs.getObject(i + 1).toString(); else content += ""; addSep = true; } if (outputFile != null) CommonUtils.appendContentToFile(outputFile, content); RegressionManagerUtils.printOutputStr(printOutputType, "results", content, ""); rows++; } stmt.getMoreResults(); rs = stmt.getResultSet(); } } catch (SQLException e) { throw new CompositeException("executeProcedure(): " + e.getMessage()); } catch (Exception e) { throw new CompositeException("executeProcedure(): " + e.getMessage()); } finally { try { if (rs != null) { rs.close(); } if (stmt != null) { stmt.close(); } } catch (SQLException e) { rs = null; stmt = null; throw new CompositeException( "executeProcedure(): unable to close ResultSet or Statement" + e.getMessage()); } } RegressionManagerUtils.printOutputStr(printOutputType, "results", "\nCompleted executeProcedure()", ""); } else { logger.info("\n\nWARNING - NO_OPERATION: COMMAND [" + command + "], ACTION [" + actionName + "] WAS NOT PERFORMED.\n"); } // <rows>:<firstRowLatency> result = "" + rows + ":" + firstRowLatency; return result; /* Note: to process this result string on the client invocation side use the following pattern: * * String result = RegressionManagerUtils.executeQuery(item, cisConnections, outputFile, delim, printOutputType, "results"); String results[] = result.split(":"); if (results.length > 1) { rowCount = Integer.valueOf(results[0]); firstRowLatency.addAndGet(Long.parseLong(results[1])); } */ }