Examples with CachedResultSetMetaData com.mysql.cj.jdbc.result.CachedResultSetMetaData used on opensource projects

Example 1 with CachedResultSetMetaData

use of com.mysql.cj.jdbc.result.CachedResultSetMetaData in project aws-mysql-jdbc by awslabs.

the class ClientPreparedStatement method execute.

@Override
public boolean execute() throws SQLException {
    synchronized (checkClosed().getConnectionMutex()) {
        JdbcConnection locallyScopedConn = this.connection;
        if (!this.doPingInstead && !checkReadOnlySafeStatement()) {
            throw SQLError.createSQLException(Messages.getString("PreparedStatement.20") + Messages.getString("PreparedStatement.21"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
        }
        ResultSetInternalMethods rs = null;
        this.lastQueryIsOnDupKeyUpdate = false;
        if (this.retrieveGeneratedKeys) {
            this.lastQueryIsOnDupKeyUpdate = containsOnDuplicateKeyUpdateInSQL();
        }
        this.batchedGeneratedKeys = null;
        resetCancelledState();
        implicitlyCloseAllOpenResults();
        clearWarnings();
        if (this.doPingInstead) {
            doPingInstead();
            return true;
        }
        setupStreamingTimeout(locallyScopedConn);
        Message sendPacket = ((PreparedQuery<?>) this.query).fillSendPacket();
        String oldDb = null;
        if (!locallyScopedConn.getDatabase().equals(this.getCurrentDatabase())) {
            oldDb = locallyScopedConn.getDatabase();
            locallyScopedConn.setDatabase(this.getCurrentDatabase());
        }
        // 
        // Check if we have cached metadata for this query...
        // 
        CachedResultSetMetaData cachedMetadata = null;
        boolean cacheResultSetMetadata = locallyScopedConn.getPropertySet().getBooleanProperty(PropertyKey.cacheResultSetMetadata).getValue();
        if (cacheResultSetMetadata) {
            cachedMetadata = locallyScopedConn.getCachedMetaData(((PreparedQuery<?>) this.query).getOriginalSql());
        }
        // 
        // Only apply max_rows to selects
        // 
        locallyScopedConn.setSessionMaxRows(getParseInfo().getFirstStmtChar() == 'S' ? this.maxRows : -1);
        rs = executeInternal(this.maxRows, sendPacket, createStreamingResultSet(), (getParseInfo().getFirstStmtChar() == 'S'), cachedMetadata, false);
        if (cachedMetadata != null) {
            locallyScopedConn.initializeResultsMetadataFromCache(((PreparedQuery<?>) this.query).getOriginalSql(), cachedMetadata, rs);
        } else {
            if (rs.hasRows() && cacheResultSetMetadata) {
                locallyScopedConn.initializeResultsMetadataFromCache(((PreparedQuery<?>) this.query).getOriginalSql(), null, /* will be created */
                rs);
            }
        }
        if (this.retrieveGeneratedKeys) {
            rs.setFirstCharOfQuery(getParseInfo().getFirstStmtChar());
        }
        if (oldDb != null) {
            locallyScopedConn.setDatabase(oldDb);
        }
        if (rs != null) {
            this.lastInsertId = rs.getUpdateID();
            this.results = rs;
        }
        return ((rs != null) && rs.hasRows());
    }
}

Example 2 with CachedResultSetMetaData

use of com.mysql.cj.jdbc.result.CachedResultSetMetaData in project aws-mysql-jdbc by awslabs.

the class ClientPreparedStatement method executeQuery.

@Override
public java.sql.ResultSet executeQuery() throws SQLException {
    synchronized (checkClosed().getConnectionMutex()) {
        JdbcConnection locallyScopedConn = this.connection;
        if (!this.doPingInstead) {
            QueryReturnType queryReturnType = getParseInfo().getQueryReturnType();
            if (queryReturnType != QueryReturnType.PRODUCES_RESULT_SET && queryReturnType != QueryReturnType.MAY_PRODUCE_RESULT_SET) {
                throw SQLError.createSQLException(Messages.getString("Statement.57"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
            }
        }
        this.batchedGeneratedKeys = null;
        resetCancelledState();
        implicitlyCloseAllOpenResults();
        clearWarnings();
        if (this.doPingInstead) {
            doPingInstead();
            return this.results;
        }
        setupStreamingTimeout(locallyScopedConn);
        Message sendPacket = ((PreparedQuery<?>) this.query).fillSendPacket();
        String oldDb = null;
        if (!locallyScopedConn.getDatabase().equals(this.getCurrentDatabase())) {
            oldDb = locallyScopedConn.getDatabase();
            locallyScopedConn.setDatabase(this.getCurrentDatabase());
        }
        // 
        // Check if we have cached metadata for this query...
        // 
        CachedResultSetMetaData cachedMetadata = null;
        boolean cacheResultSetMetadata = locallyScopedConn.getPropertySet().getBooleanProperty(PropertyKey.cacheResultSetMetadata).getValue();
        String origSql = ((PreparedQuery<?>) this.query).getOriginalSql();
        if (cacheResultSetMetadata) {
            cachedMetadata = locallyScopedConn.getCachedMetaData(origSql);
        }
        locallyScopedConn.setSessionMaxRows(this.maxRows);
        this.results = executeInternal(this.maxRows, sendPacket, createStreamingResultSet(), true, cachedMetadata, false);
        if (oldDb != null) {
            locallyScopedConn.setDatabase(oldDb);
        }
        if (cachedMetadata != null) {
            locallyScopedConn.initializeResultsMetadataFromCache(origSql, cachedMetadata, this.results);
        } else {
            if (cacheResultSetMetadata) {
                locallyScopedConn.initializeResultsMetadataFromCache(origSql, null, /* will be created */
                this.results);
            }
        }
        this.lastInsertId = this.results.getUpdateID();
        return this.results;
    }
}

Example 3 with CachedResultSetMetaData

use of com.mysql.cj.jdbc.result.CachedResultSetMetaData in project aws-mysql-jdbc by awslabs.

the class StatementImpl method executeQuery.

@Override
public java.sql.ResultSet executeQuery(String sql) throws SQLException {
    synchronized (checkClosed().getConnectionMutex()) {
        JdbcConnection locallyScopedConn = this.connection;
        this.retrieveGeneratedKeys = false;
        checkNullOrEmptyQuery(sql);
        resetCancelledState();
        implicitlyCloseAllOpenResults();
        if (sql.charAt(0) == '/') {
            if (sql.startsWith(PING_MARKER)) {
                doPingInstead();
                return this.results;
            }
        }
        setupStreamingTimeout(locallyScopedConn);
        if (this.doEscapeProcessing) {
            Object escapedSqlResult = EscapeProcessor.escapeSQL(sql, this.session.getServerSession().getSessionTimeZone(), this.session.getServerSession().getCapabilities().serverSupportsFracSecs(), this.session.getServerSession().isServerTruncatesFracSecs(), getExceptionInterceptor());
            sql = escapedSqlResult instanceof String ? (String) escapedSqlResult : ((EscapeProcessorResult) escapedSqlResult).escapedSql;
        }
        if (!isResultSetProducingQuery(sql)) {
            throw SQLError.createSQLException(Messages.getString("Statement.57"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
        }
        CachedResultSetMetaData cachedMetaData = null;
        if (useServerFetch()) {
            this.results = createResultSetUsingServerFetch(sql);
            return this.results;
        }
        CancelQueryTask timeoutTask = null;
        String oldDb = null;
        try {
            timeoutTask = startQueryTimer(this, getTimeoutInMillis());
            if (!locallyScopedConn.getDatabase().equals(getCurrentDatabase())) {
                oldDb = locallyScopedConn.getDatabase();
                locallyScopedConn.setDatabase(getCurrentDatabase());
            }
            // 
            if (locallyScopedConn.getPropertySet().getBooleanProperty(PropertyKey.cacheResultSetMetadata).getValue()) {
                cachedMetaData = locallyScopedConn.getCachedMetaData(sql);
            }
            locallyScopedConn.setSessionMaxRows(this.maxRows);
            statementBegins();
            this.results = ((NativeSession) locallyScopedConn.getSession()).execSQL(this, sql, this.maxRows, null, createStreamingResultSet(), getResultSetFactory(), cachedMetaData, false);
            if (timeoutTask != null) {
                stopQueryTimer(timeoutTask, true, true);
                timeoutTask = null;
            }
        } catch (CJTimeoutException | OperationCancelledException e) {
            throw SQLExceptionsMapping.translateException(e, this.exceptionInterceptor);
        } finally {
            this.query.getStatementExecuting().set(false);
            stopQueryTimer(timeoutTask, false, false);
            if (oldDb != null) {
                locallyScopedConn.setDatabase(oldDb);
            }
        }
        this.lastInsertId = this.results.getUpdateID();
        if (cachedMetaData != null) {
            locallyScopedConn.initializeResultsMetadataFromCache(sql, cachedMetaData, this.results);
        } else {
            if (this.connection.getPropertySet().getBooleanProperty(PropertyKey.cacheResultSetMetadata).getValue()) {
                locallyScopedConn.initializeResultsMetadataFromCache(sql, null, /* will be created */
                this.results);
            }
        }
        return this.results;
    }
}

Example 4 with CachedResultSetMetaData

use of com.mysql.cj.jdbc.result.CachedResultSetMetaData in project aws-mysql-jdbc by awslabs.

the class StatementRegressionTest method testBug33823.

@Test
public void testBug33823() throws Exception {
    ResultSetInternalMethods resultSetInternalMethods = new ResultSetInternalMethods() {

        public void clearNextResultset() {
        }

        public char getFirstCharOfQuery() {
            return 0;
        }

        public ResultSetInternalMethods getNextResultset() {
            return null;
        }

        public Object getObjectStoredProc(int columnIndex, int desiredSqlType) throws SQLException {
            return null;
        }

        public Object getObjectStoredProc(int i, Map<Object, Object> map, int desiredSqlType) throws SQLException {
            return null;
        }

        public Object getObjectStoredProc(String columnName, int desiredSqlType) throws SQLException {
            return null;
        }

        public Object getObjectStoredProc(String colName, Map<Object, Object> map, int desiredSqlType) throws SQLException {
            return null;
        }

        public String getServerInfo() {
            return null;
        }

        public long getUpdateCount() {
            return 0;
        }

        public long getUpdateID() {
            return 0;
        }

        public void initializeWithMetadata() throws SQLException {
        }

        public void populateCachedMetaData(CachedResultSetMetaData cachedMetaData) throws SQLException {
        }

        public void realClose(boolean calledExplicitly) throws SQLException {
        }

        public boolean isClosed() {
            return false;
        }

        public boolean hasRows() {
            return false;
        }

        public void setFirstCharOfQuery(char firstCharUpperCase) {
        }

        public void setOwningStatement(JdbcStatement owningStatement) {
        }

        public void setStatementUsedForFetchingRows(JdbcPreparedStatement stmt) {
        }

        public void setWrapperStatement(Statement wrapperStatement) {
        }

        public boolean absolute(int row) throws SQLException {
            return false;
        }

        public void afterLast() throws SQLException {
        }

        public void beforeFirst() throws SQLException {
        }

        public void cancelRowUpdates() throws SQLException {
        }

        public void clearWarnings() throws SQLException {
        }

        public void close() throws SQLException {
        }

        public void deleteRow() throws SQLException {
        }

        public int findColumn(String columnName) throws SQLException {
            return 0;
        }

        public boolean first() throws SQLException {
            return false;
        }

        public Array getArray(int i) throws SQLException {
            return null;
        }

        public Array getArray(String colName) throws SQLException {
            return null;
        }

        public InputStream getAsciiStream(int columnIndex) throws SQLException {
            return null;
        }

        public InputStream getAsciiStream(String columnName) throws SQLException {
            return null;
        }

        public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
            return null;
        }

        public BigDecimal getBigDecimal(String columnName) throws SQLException {
            return null;
        }

        @Deprecated
        public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
            return null;
        }

        @Deprecated
        public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException {
            return null;
        }

        public InputStream getBinaryStream(int columnIndex) throws SQLException {
            return null;
        }

        public InputStream getBinaryStream(String columnName) throws SQLException {
            return null;
        }

        public Blob getBlob(int i) throws SQLException {
            return null;
        }

        public Blob getBlob(String colName) throws SQLException {
            return null;
        }

        public boolean getBoolean(int columnIndex) throws SQLException {
            return false;
        }

        public boolean getBoolean(String columnName) throws SQLException {
            return false;
        }

        public byte getByte(int columnIndex) throws SQLException {
            return 0;
        }

        public byte getByte(String columnName) throws SQLException {
            return 0;
        }

        public byte[] getBytes(int columnIndex) throws SQLException {
            return null;
        }

        public byte[] getBytes(String columnName) throws SQLException {
            return null;
        }

        public Reader getCharacterStream(int columnIndex) throws SQLException {
            return null;
        }

        public Reader getCharacterStream(String columnName) throws SQLException {
            return null;
        }

        public Clob getClob(int i) throws SQLException {
            return null;
        }

        public Clob getClob(String colName) throws SQLException {
            return null;
        }

        public int getConcurrency() throws SQLException {
            return 0;
        }

        public String getCursorName() throws SQLException {
            return null;
        }

        public Date getDate(int columnIndex) throws SQLException {
            return null;
        }

        public Date getDate(String columnName) throws SQLException {
            return null;
        }

        public Date getDate(int columnIndex, Calendar cal) throws SQLException {
            return null;
        }

        public Date getDate(String columnName, Calendar cal) throws SQLException {
            return null;
        }

        public double getDouble(int columnIndex) throws SQLException {
            return 0;
        }

        public double getDouble(String columnName) throws SQLException {
            return 0;
        }

        public int getFetchDirection() throws SQLException {
            return 0;
        }

        public int getFetchSize() throws SQLException {
            return 0;
        }

        public float getFloat(int columnIndex) throws SQLException {
            return 0;
        }

        public float getFloat(String columnName) throws SQLException {
            return 0;
        }

        public int getInt(int columnIndex) throws SQLException {
            return 0;
        }

        public int getInt(String columnName) throws SQLException {
            return 0;
        }

        public long getLong(int columnIndex) throws SQLException {
            return 0;
        }

        public long getLong(String columnName) throws SQLException {
            return 0;
        }

        public ResultSetMetaData getMetaData() throws SQLException {
            return null;
        }

        public Object getObject(int columnIndex) throws SQLException {
            return null;
        }

        public Object getObject(String columnName) throws SQLException {
            return null;
        }

        public Object getObject(int arg0, Map<String, Class<?>> arg1) throws SQLException {
            return null;
        }

        public Object getObject(String arg0, Map<String, Class<?>> arg1) throws SQLException {
            return null;
        }

        public Ref getRef(int i) throws SQLException {
            return null;
        }

        public Ref getRef(String colName) throws SQLException {
            return null;
        }

        public int getRow() throws SQLException {
            return 0;
        }

        public short getShort(int columnIndex) throws SQLException {
            return 0;
        }

        public short getShort(String columnName) throws SQLException {
            return 0;
        }

        public Statement getStatement() throws SQLException {
            return null;
        }

        public String getString(int columnIndex) throws SQLException {
            return null;
        }

        public String getString(String columnName) throws SQLException {
            return null;
        }

        public Time getTime(int columnIndex) throws SQLException {
            return null;
        }

        public Time getTime(String columnName) throws SQLException {
            return null;
        }

        public Time getTime(int columnIndex, Calendar cal) throws SQLException {
            return null;
        }

        public Time getTime(String columnName, Calendar cal) throws SQLException {
            return null;
        }

        public Timestamp getTimestamp(int columnIndex) throws SQLException {
            return null;
        }

        public Timestamp getTimestamp(String columnName) throws SQLException {
            return null;
        }

        public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
            return null;
        }

        public Timestamp getTimestamp(String columnName, Calendar cal) throws SQLException {
            return null;
        }

        public int getType() throws SQLException {
            return 0;
        }

        public URL getURL(int columnIndex) throws SQLException {
            return null;
        }

        public URL getURL(String columnName) throws SQLException {
            return null;
        }

        @Deprecated
        public InputStream getUnicodeStream(int columnIndex) throws SQLException {
            return null;
        }

        @Deprecated
        public InputStream getUnicodeStream(String columnName) throws SQLException {
            return null;
        }

        public SQLWarning getWarnings() throws SQLException {
            return null;
        }

        public void insertRow() throws SQLException {
        }

        public boolean isAfterLast() throws SQLException {
            return false;
        }

        public boolean isBeforeFirst() throws SQLException {
            return false;
        }

        public boolean isFirst() throws SQLException {
            return false;
        }

        public boolean isLast() throws SQLException {
            return false;
        }

        public boolean last() throws SQLException {
            return false;
        }

        public void moveToCurrentRow() throws SQLException {
        }

        public void moveToInsertRow() throws SQLException {
        }

        public boolean next() throws SQLException {
            return false;
        }

        public boolean previous() throws SQLException {
            return false;
        }

        public void refreshRow() throws SQLException {
        }

        public boolean relative(int rows) throws SQLException {
            return false;
        }

        public boolean rowDeleted() throws SQLException {
            return false;
        }

        public boolean rowInserted() throws SQLException {
            return false;
        }

        public boolean rowUpdated() throws SQLException {
            return false;
        }

        public void setFetchDirection(int direction) throws SQLException {
        }

        public void setFetchSize(int rows) throws SQLException {
        }

        public void updateArray(int columnIndex, Array x) throws SQLException {
        }

        public void updateArray(String columnName, Array x) throws SQLException {
        }

        public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException {
        }

        public void updateAsciiStream(String columnName, InputStream x, int length) throws SQLException {
        }

        public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException {
        }

        public void updateBigDecimal(String columnName, BigDecimal x) throws SQLException {
        }

        public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException {
        }

        public void updateBinaryStream(String columnName, InputStream x, int length) throws SQLException {
        }

        public void updateBlob(int columnIndex, Blob x) throws SQLException {
        }

        public void updateBlob(String columnName, Blob x) throws SQLException {
        }

        public void updateBoolean(int columnIndex, boolean x) throws SQLException {
        }

        public void updateBoolean(String columnName, boolean x) throws SQLException {
        }

        public void updateByte(int columnIndex, byte x) throws SQLException {
        }

        public void updateByte(String columnName, byte x) throws SQLException {
        }

        public void updateBytes(int columnIndex, byte[] x) throws SQLException {
        }

        public void updateBytes(String columnName, byte[] x) throws SQLException {
        }

        public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException {
        }

        public void updateCharacterStream(String columnName, Reader reader, int length) throws SQLException {
        }

        public void updateClob(int columnIndex, Clob x) throws SQLException {
        }

        public void updateClob(String columnName, Clob x) throws SQLException {
        }

        public void updateDate(int columnIndex, Date x) throws SQLException {
        }

        public void updateDate(String columnName, Date x) throws SQLException {
        }

        public void updateDouble(int columnIndex, double x) throws SQLException {
        }

        public void updateDouble(String columnName, double x) throws SQLException {
        }

        public void updateFloat(int columnIndex, float x) throws SQLException {
        }

        public void updateFloat(String columnName, float x) throws SQLException {
        }

        public void updateInt(int columnIndex, int x) throws SQLException {
        }

        public void updateInt(String columnName, int x) throws SQLException {
        }

        public void updateLong(int columnIndex, long x) throws SQLException {
        }

        public void updateLong(String columnName, long x) throws SQLException {
        }

        public void updateNull(int columnIndex) throws SQLException {
        }

        public void updateNull(String columnName) throws SQLException {
        }

        public void updateObject(int columnIndex, Object x) throws SQLException {
        }

        public void updateObject(String columnName, Object x) throws SQLException {
        }

        public void updateObject(int columnIndex, Object x, int scale) throws SQLException {
        }

        public void updateObject(String columnName, Object x, int scale) throws SQLException {
        }

        public void updateRef(int columnIndex, Ref x) throws SQLException {
        }

        public void updateRef(String columnName, Ref x) throws SQLException {
        }

        public void updateRow() throws SQLException {
        }

        public void updateShort(int columnIndex, short x) throws SQLException {
        }

        public void updateShort(String columnName, short x) throws SQLException {
        }

        public void updateString(int columnIndex, String x) throws SQLException {
        }

        public void updateString(String columnName, String x) throws SQLException {
        }

        public void updateTime(int columnIndex, Time x) throws SQLException {
        }

        public void updateTime(String columnName, Time x) throws SQLException {
        }

        public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
        }

        public void updateTimestamp(String columnName, Timestamp x) throws SQLException {
        }

        public boolean wasNull() throws SQLException {
            return false;
        }

        public RowId getRowId(int columnIndex) throws SQLException {
            return null;
        }

        public RowId getRowId(String columnLabel) throws SQLException {
            return null;
        }

        public void updateRowId(int columnIndex, RowId x) throws SQLException {
        }

        public void updateRowId(String columnLabel, RowId x) throws SQLException {
        }

        public int getHoldability() throws SQLException {
            return 0;
        }

        public void updateNString(int columnIndex, String nString) throws SQLException {
        }

        public void updateNString(String columnLabel, String nString) throws SQLException {
        }

        public void updateNClob(int columnIndex, NClob nClob) throws SQLException {
        }

        public void updateNClob(String columnLabel, NClob nClob) throws SQLException {
        }

        public NClob getNClob(int columnIndex) throws SQLException {
            return null;
        }

        public NClob getNClob(String columnLabel) throws SQLException {
            return null;
        }

        public SQLXML getSQLXML(int columnIndex) throws SQLException {
            return null;
        }

        public SQLXML getSQLXML(String columnLabel) throws SQLException {
            return null;
        }

        public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException {
        }

        public void updateSQLXML(String columnLabel, SQLXML xmlObject) throws SQLException {
        }

        public String getNString(int columnIndex) throws SQLException {
            return null;
        }

        public String getNString(String columnLabel) throws SQLException {
            return null;
        }

        public Reader getNCharacterStream(int columnIndex) throws SQLException {
            return null;
        }

        public Reader getNCharacterStream(String columnLabel) throws SQLException {
            return null;
        }

        public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
        }

        public void updateNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
        }

        public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
        }

        public void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException {
        }

        public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
        }

        public void updateAsciiStream(String columnLabel, InputStream x, long length) throws SQLException {
        }

        public void updateBinaryStream(String columnLabel, InputStream x, long length) throws SQLException {
        }

        public void updateCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
        }

        public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException {
        }

        public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException {
        }

        public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
        }

        public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
        }

        public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
        }

        public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
        }

        public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
        }

        public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
        }

        public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
        }

        public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
        }

        public void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
        }

        public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
        }

        public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
        }

        public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
        }

        public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
        }

        public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
        }

        public void updateClob(int columnIndex, Reader reader) throws SQLException {
        }

        public void updateClob(String columnLabel, Reader reader) throws SQLException {
        }

        public void updateNClob(int columnIndex, Reader reader) throws SQLException {
        }

        public void updateNClob(String columnLabel, Reader reader) throws SQLException {
        }

        public <T> T getObject(int columnIndex, Class<T> type) throws SQLException {
            return null;
        }

        public <T> T getObject(String columnLabel, Class<T> type) throws SQLException {
            return null;
        }

        public <T> T unwrap(Class<T> iface) throws SQLException {
            return null;
        }

        public boolean isWrapperFor(Class<?> iface) throws SQLException {
            return false;
        }

        @Override
        public BigInteger getBigInteger(int columnIndex) throws SQLException {
            return null;
        }

        @Override
        public void closeOwner(boolean calledExplicitly) {
        }

        @Override
        public MysqlConnection getConnection() {
            return null;
        }

        @Override
        public Session getSession() {
            return null;
        }

        @Override
        public String getPointOfOrigin() {
            return null;
        }

        @Override
        public int getOwnerFetchSize() {
            return 0;
        }

        @Override
        public Query getOwningQuery() {
            return null;
        }

        @Override
        public int getOwningStatementMaxRows() {
            return 0;
        }

        @Override
        public int getOwningStatementFetchSize() {
            return 0;
        }

        @Override
        public long getOwningStatementServerId() {
            return 0;
        }

        @Override
        public int getResultId() {
            return 0;
        }

        @Override
        public void initRowsWithMetadata() {
        }

        @Override
        public ColumnDefinition getColumnDefinition() {
            return null;
        }

        @Override
        public void setColumnDefinition(ColumnDefinition metadata) {
        }

        @Override
        public void setNextResultset(Resultset nextResultset) {
        }

        @Override
        public ResultsetRows getRows() {
            return null;
        }

        @Override
        public Object getSyncMutex() {
            return null;
        }
    };
    resultSetInternalMethods.close();
}

Example 5 with CachedResultSetMetaData

use of com.mysql.cj.jdbc.result.CachedResultSetMetaData in project aws-mysql-jdbc by awslabs.

the class StatementImpl method executeInternal.

private boolean executeInternal(String sql, boolean returnGeneratedKeys) throws SQLException {
    JdbcConnection locallyScopedConn = checkClosed();
    synchronized (locallyScopedConn.getConnectionMutex()) {
        checkClosed();
        checkNullOrEmptyQuery(sql);
        resetCancelledState();
        implicitlyCloseAllOpenResults();
        if (sql.charAt(0) == '/') {
            if (sql.startsWith(PING_MARKER)) {
                doPingInstead();
                return true;
            }
        }
        this.retrieveGeneratedKeys = returnGeneratedKeys;
        this.lastQueryIsOnDupKeyUpdate = returnGeneratedKeys && ParseInfo.firstCharOfStatementUc(sql, this.session.getServerSession().isNoBackslashEscapesSet()) == 'I' && containsOnDuplicateKeyInString(sql);
        if (!ParseInfo.isReadOnlySafeQuery(sql, this.session.getServerSession().isNoBackslashEscapesSet()) && locallyScopedConn.isReadOnly()) {
            throw SQLError.createSQLException(Messages.getString("Statement.27") + Messages.getString("Statement.28"), MysqlErrorNumbers.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
        }
        try {
            setupStreamingTimeout(locallyScopedConn);
            if (this.doEscapeProcessing) {
                Object escapedSqlResult = EscapeProcessor.escapeSQL(sql, this.session.getServerSession().getSessionTimeZone(), this.session.getServerSession().getCapabilities().serverSupportsFracSecs(), this.session.getServerSession().isServerTruncatesFracSecs(), getExceptionInterceptor());
                sql = escapedSqlResult instanceof String ? (String) escapedSqlResult : ((EscapeProcessorResult) escapedSqlResult).escapedSql;
            }
            CachedResultSetMetaData cachedMetaData = null;
            ResultSetInternalMethods rs = null;
            this.batchedGeneratedKeys = null;
            if (useServerFetch()) {
                rs = createResultSetUsingServerFetch(sql);
            } else {
                CancelQueryTask timeoutTask = null;
                String oldDb = null;
                try {
                    timeoutTask = startQueryTimer(this, getTimeoutInMillis());
                    if (!locallyScopedConn.getDatabase().equals(getCurrentDatabase())) {
                        oldDb = locallyScopedConn.getDatabase();
                        locallyScopedConn.setDatabase(getCurrentDatabase());
                    }
                    // Check if we have cached metadata for this query...
                    if (locallyScopedConn.getPropertySet().getBooleanProperty(PropertyKey.cacheResultSetMetadata).getValue()) {
                        cachedMetaData = locallyScopedConn.getCachedMetaData(sql);
                    }
                    // Only apply max_rows to selects
                    locallyScopedConn.setSessionMaxRows(isResultSetProducingQuery(sql) ? this.maxRows : -1);
                    statementBegins();
                    rs = ((NativeSession) locallyScopedConn.getSession()).execSQL(this, sql, this.maxRows, null, createStreamingResultSet(), getResultSetFactory(), cachedMetaData, false);
                    if (timeoutTask != null) {
                        stopQueryTimer(timeoutTask, true, true);
                        timeoutTask = null;
                    }
                } catch (CJTimeoutException | OperationCancelledException e) {
                    throw SQLExceptionsMapping.translateException(e, this.exceptionInterceptor);
                } finally {
                    stopQueryTimer(timeoutTask, false, false);
                    if (oldDb != null) {
                        locallyScopedConn.setDatabase(oldDb);
                    }
                }
            }
            if (rs != null) {
                this.lastInsertId = rs.getUpdateID();
                this.results = rs;
                rs.setFirstCharOfQuery(ParseInfo.firstCharOfStatementUc(sql, this.session.getServerSession().isNoBackslashEscapesSet()));
                if (rs.hasRows()) {
                    if (cachedMetaData != null) {
                        locallyScopedConn.initializeResultsMetadataFromCache(sql, cachedMetaData, this.results);
                    } else if (this.session.getPropertySet().getBooleanProperty(PropertyKey.cacheResultSetMetadata).getValue()) {
                        locallyScopedConn.initializeResultsMetadataFromCache(sql, null, /* will be created */
                        this.results);
                    }
                }
            }
            return ((rs != null) && rs.hasRows());
        } finally {
            this.query.getStatementExecuting().set(false);
        }
    }
}