MySQLStatement (mariadb-java-client 1.2.0 API)

java.lang.Object
- org.mariadb.jdbc.MySQLStatement

All Implemented Interfaces:

AutoCloseable, Statement, Wrapper

Direct Known Subclasses:

MySQLPreparedStatement
```
public class MySQLStatement
extends Object
implements Statement
```

Field Summary

Fields
Modifier and Type	Field and Description
`protected ResultSet`	`batchResultSet`
`protected MySQLConnection`	`connection` the Connection object.
`protected String`	`firstRewrite`
`protected boolean`	`isRewriteable`

Fields inherited from interface java.sql.Statement
CLOSE_ALL_RESULTS, CLOSE_CURRENT_RESULT, EXECUTE_FAILED, KEEP_CURRENT_RESULT, NO_GENERATED_KEYS, RETURN_GENERATED_KEYS, SUCCESS_NO_INFO

Constructor Summary

Constructors
Constructor and Description

MySQLStatement(MySQLConnection connection)
Creates a new Statement.

Constructors
Constructor and Description
`MySQLStatement(MySQLConnection connection)` Creates a new Statement.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addBatch(String sql)` Adds the given SQL command to the current list of commmands for this `Statement` object.
`void`	`cancel()` Cancels this `Statement` object if both the DBMS and driver support aborting an SQL statement.
`void`	`clearBatch()` Empties this `Statement` object's current list of SQL commands.
`void`	`clearWarnings()` Clears all the warnings reported on this `Statement` object.
`void`	`close()` Releases this `Statement` object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed.
`void`	`closeOnCompletion()`
`protected boolean`	`execute(List<Query> queries, boolean isRewritable, int rewriteOffset)` Execute statements. if many queries, those queries will be rewritten if isRewritable = false, the query will be agreggated : INSERT INTO jdbc (`name`) VALUES ('Line 1: Lorem ipsum ...')
`protected boolean`	`execute(Query query)` executes a query.
`boolean`	`execute(String queryString)` executes a query.
`boolean`	`execute(String sql, int autoGeneratedKeys)` Executes the given SQL statement, which may return multiple results, and signals the driver that any auto-generated keys should be made available for retrieval.
`boolean`	`execute(String sql, int[] columnIndexes)` Executes the given SQL statement, which may return multiple results, and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval.
`boolean`	`execute(String sql, String[] columnNames)` Executes the given SQL statement, which may return multiple results, and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval.
`int[]`	`executeBatch()` Submits a batch of commands to the database for execution and if all commands execute successfully, returns an array of update counts.
`protected ResultSet`	`executeQuery(Query query)` executes a select query.
`ResultSet`	`executeQuery(String queryString)` executes a select query.
`protected int`	`executeUpdate(Query query)` Executes an update.
`int`	`executeUpdate(String queryString)` Executes an update.
`int`	`executeUpdate(String sql, int autoGeneratedKeys)` Executes the given SQL statement and signals the driver with the given flag about whether the auto-generated keys produced by this `Statement` object should be made available for retrieval.
`int`	`executeUpdate(String sql, int[] columnIndexes)` Executes the given SQL statement and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval.
`int`	`executeUpdate(String sql, String[] columnNames)` Executes the given SQL statement and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval.
`Connection`	`getConnection()` gets the connection that created this statement
`int`	`getFetchDirection()` Retrieves the direction for fetching rows from database tables that is the default for result sets generated from this `Statement` object.
`int`	`getFetchSize()` Retrieves the number of result set rows that is the default fetch size for `ResultSet` objects generated from this `Statement` object.
`ResultSet`	`getGeneratedKeys()` Retrieves any auto-generated keys created as a result of executing this `Statement` object.
`protected int`	`getInsertIncipit(String sql)` Parses the input string to understand if it is an INSERT statement.
`int`	`getMaxFieldSize()` Retrieves the maximum number of bytes that can be returned for character and binary column values in a `ResultSet` object produced by this `Statement` object.
`int`	`getMaxRows()` Retrieves the maximum number of rows that a `ResultSet` object produced by this `Statement` object can contain.
`boolean`	`getMoreResults()` Moves to this `Statement` object's next result, returns `true` if it is a `ResultSet` object, and implicitly closes any current `ResultSet` object(s) obtained with the method `getResultSet`.
`boolean`	`getMoreResults(int current)` Moves to this `Statement` object's next result, deals with any current `ResultSet` object(s) according to the instructions specified by the given flag, and returns `true` if the next result is a `ResultSet` object.
`Protocol`	`getProtocol()` returns the protocol.
`int`	`getQueryTimeout()` Retrieves the number of seconds the driver will wait for a `Statement` object to execute.
`ResultSet`	`getResultSet()`
`int`	`getResultSetConcurrency()` Retrieves the result set concurrency for `ResultSet` objects generated by this `Statement` object.
`int`	`getResultSetHoldability()` Retrieves the result set holdability for `ResultSet` objects generated by this `Statement` object.
`int`	`getResultSetType()` Retrieves the result set type for `ResultSet` objects generated by this `Statement` object.
`int`	`getUpdateCount()`
`protected int[]`	`getUpdateCounts(Statement statement, int size)` Retrieves the update counts for the batched statements rewritten as a multi query.
`protected int[]`	`getUpdateCountsForReWrittenBatch(Statement statement, int size)`
`SQLWarning`	`getWarnings()` Retrieves the first warning reported by calls on this `Statement` object.
`boolean`	`isClosed()` Retrieves whether this `Statement` object has been closed.
`boolean`	`isCloseOnCompletion()`
`protected void`	`isInsertRewriteable(String sql)` Parses the sql string to understand whether it is compatible with rewritten batches.
`boolean`	`isPoolable()` Returns a value indicating whether the `Statement` is poolable or not.
`boolean`	`isStreaming()`
`boolean`	`isWrapperFor(Class<?> interfaceOrWrapper)` Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does.
`void`	`setCursorName(String name)` Sets the SQL cursor name to the given `String`, which will be used by subsequent `Statement` object `execute` methods.
`void`	`setEscapeProcessing(boolean enable)` Sets escape processing on or off.
`void`	`setFetchDirection(int direction)` Gives the driver a hint as to the direction in which rows will be processed in `ResultSet` objects created using this `Statement` object.
`void`	`setFetchSize(int rows)` Gives the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for `ResultSet` objects genrated by this `Statement`.
`void`	`setLocalInfileInputStream(InputStream inputStream)` Sets the inputStream that will be used for the next execute that uses "LOAD DATA LOCAL INFILE".
`void`	`setMaxFieldSize(int max)` Sets the limit for the maximum number of bytes that can be returned for character and binary column values in a `ResultSet` object produced by this `Statement` object.
`void`	`setMaxRows(int max)` Sets the limit for the maximum number of rows that any `ResultSet` object generated by this `Statement` object can contain to the given number.
`void`	`setPoolable(boolean poolable)` Requests that a `Statement` be pooled or not pooled.
`void`	`setQueryTimeout(int seconds)` Sets the number of seconds the driver will wait for a `Statement` object to execute to the given number of seconds.
`static void`	`unloadDriver()`
`<T> T`	`unwrap(Class<T> iface)` Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.sql.Statement
executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, getLargeMaxRows, getLargeUpdateCount, setLargeMaxRows

- Field Detail
  - connection
```
protected MySQLConnection connection
```
    the Connection object.
  - isRewriteable
```
protected boolean isRewriteable
```
  - firstRewrite
```
protected String firstRewrite
```
  - batchResultSet
```
protected ResultSet batchResultSet
```
- Constructor Detail
  - MySQLStatement
```
public MySQLStatement(MySQLConnection connection)
```
    Creates a new Statement.
    
    Parameters:
    
    connection - the connection to return in getConnection.
- Method Detail
  - isStreaming
```
public boolean isStreaming()
```
  - getProtocol
```
public Protocol getProtocol()
```
    returns the protocol.
    
    Returns:
    
    the protocol used.
  - execute
```
protected boolean execute(Query query)
                   throws SQLException
```
    executes a query.
    
    Parameters:
    
    query - the query
    
    Returns:
    
    true if there was a result set, false otherwise.
    
    Throws:
    
    SQLException - the error description
  - execute
```
protected boolean execute(List<Query> queries,
                          boolean isRewritable,
                          int rewriteOffset)
                   throws SQLException
```
    Execute statements. if many queries, those queries will be rewritten if isRewritable = false, the query will be agreggated : INSERT INTO jdbc (`name`) VALUES ('Line 1: Lorem ipsum ...') INSERT INTO jdbc (`name`) VALUES ('Line 2: Lorem ipsum ...') will be agreggate as INSERT INTO jdbc (`name`) VALUES ('Line 1: Lorem ipsum ...');INSERT INTO jdbc (`name`) VALUES ('Line 2: Lorem ipsum ...') and if isRewritable, agreggated as INSERT INTO jdbc (`name`) VALUES ('Line 1: Lorem ipsum ...'),('Line 2: Lorem ipsum ...')
    
    Parameters:
    
    queries - list of queries
    
    isRewritable - are the queries of the same type to be agreggated
    
    rewriteOffset - offset of the parameter if query are similar
    
    Returns:
    
    true if there was a result set, false otherwise.
    
    Throws:
    
    SQLException - the error description
  - executeQuery
```
protected ResultSet executeQuery(Query query)
                          throws SQLException
```
    executes a select query.
    
    Parameters:
    
    query - the query to send to the server
    
    Returns:
    
    a result set
    
    Throws:
    
    SQLException - if something went wrong
  - executeUpdate
```
protected int executeUpdate(Query query)
                     throws SQLException
```
    Executes an update.
    
    Parameters:
    
    query - the update query.
    
    Returns:
    
    update count
    
    Throws:
    
    SQLException - if the query could not be sent to server.
  - execute
```
public boolean execute(String queryString)
                throws SQLException
```
    executes a query.
    
    Specified by:
    
    execute in interface Statement
    
    Parameters:
    
    queryString - the query
    
    Returns:
    
    true if there was a result set, false otherwise.
    
    Throws:
    
    SQLException - if the query could not be sent to server
  - executeUpdate
```
public int executeUpdate(String queryString)
                  throws SQLException
```
    Executes an update.
    
    Specified by:
    
    executeUpdate in interface Statement
    
    Parameters:
    
    queryString - the update query.
    
    Returns:
    
    update count
    
    Throws:
    
    SQLException - if the query could not be sent to server.
  - executeQuery
```
public ResultSet executeQuery(String queryString)
                       throws SQLException
```
    executes a select query.
    
    Specified by:
    
    executeQuery in interface Statement
    
    Parameters:
    
    queryString - the query to send to the server
    
    Returns:
    
    a result set
    
    Throws:
    
    SQLException - if something went wrong
  - close
```
public void close()
           throws SQLException
```
    Releases this Statement object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed. It is generally good practice to release resources as soon as you are finished with them to avoid tying up database resources. Calling the method close on a Statement object that is already closed has no effect. Note:When a Statement object is closed, its current ResultSet object, if one exists, is also closed.
    
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Statement
    
    Throws:
    
    SQLException - if a database access error occurs
  - getMaxFieldSize
```
public int getMaxFieldSize()
                    throws SQLException
```
    Retrieves the maximum number of bytes that can be returned for character and binary column values in a ResultSet object produced by this Statement object. This limit applies only to BINARY, VARBINARY, LONGVARBINARY, CHAR, VARCHAR, NCHAR, NVARCHAR, LONGNVARCHAR and LONGVARCHAR columns. If the limit is exceeded, the excess data is silently discarded.
    
    Specified by:
    
    getMaxFieldSize in interface Statement
    
    Returns:
    
    the current column size limit for columns storing character and binary values; zero means there is no limit
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    See Also:
    
    setMaxFieldSize(int)
  - setMaxFieldSize
```
public void setMaxFieldSize(int max)
                     throws SQLException
```
    Sets the limit for the maximum number of bytes that can be returned for character and binary column values in a ResultSet object produced by this Statement object. This limit applies only to BINARY, VARBINARY, LONGVARBINARY, CHAR, VARCHAR, NCHAR, NVARCHAR, LONGNVARCHAR and LONGVARCHAR fields. If the limit is exceeded, the excess data is silently discarded. For maximum portability, use values greater than 256.
    
    Specified by:
    
    setMaxFieldSize in interface Statement
    
    Parameters:
    
    max - the new column size limit in bytes; zero means there is no limit
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the condition max >= 0 is not satisfied
    
    See Also:
    
    getMaxFieldSize()
  - getMaxRows
```
public int getMaxRows()
               throws SQLException
```
    Retrieves the maximum number of rows that a ResultSet object produced by this Statement object can contain. If this limit is exceeded, the excess rows are silently dropped.
    
    Specified by:
    
    getMaxRows in interface Statement
    
    Returns:
    
    the current maximum number of rows for a ResultSet object produced by this Statement object; zero means there is no limit
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    See Also:
    
    setMaxRows(int)
  - setMaxRows
```
public void setMaxRows(int max)
                throws SQLException
```
    Sets the limit for the maximum number of rows that any ResultSet object generated by this Statement object can contain to the given number. If the limit is exceeded, the excess rows are silently dropped.
    
    Specified by:
    
    setMaxRows in interface Statement
    
    Parameters:
    
    max - the new max rows limit; zero means there is no limit
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the condition max >= 0 is not satisfied
    
    See Also:
    
    getMaxRows()
  - setEscapeProcessing
```
public void setEscapeProcessing(boolean enable)
                         throws SQLException
```
    Sets escape processing on or off. If escape scanning is on (the default), the driver will do escape substitution before sending the SQL statement to the database. Note: Since prepared statements have usually been parsed prior to making this call, disabling escape processing for PreparedStatements objects will have no effect.
    
    Specified by:
    
    setEscapeProcessing in interface Statement
    
    Parameters:
    
    enable - true to enable escape processing; false to disable it
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
  - getQueryTimeout
```
public int getQueryTimeout()
                    throws SQLException
```
    Retrieves the number of seconds the driver will wait for a Statement object to execute. If the limit is exceeded, a SQLException is thrown.
    
    Specified by:
    
    getQueryTimeout in interface Statement
    
    Returns:
    
    the current query timeout limit in seconds; zero means there is no limit
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    See Also:
    
    setQueryTimeout(int)
  - setQueryTimeout
```
public void setQueryTimeout(int seconds)
                     throws SQLException
```
    Sets the number of seconds the driver will wait for a Statement object to execute to the given number of seconds. If the limit is exceeded, an SQLException is thrown. A JDBC driver must apply this limit to the execute, executeQuery and executeUpdate methods. JDBC driver implementations may also apply this limit to ResultSet methods (consult your driver vendor documentation for details).
    
    Specified by:
    
    setQueryTimeout in interface Statement
    
    Parameters:
    
    seconds - the new query timeout limit in seconds; zero means there is no limit
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the condition seconds >= 0 is not satisfied
    
    See Also:
    
    getQueryTimeout()
  - setLocalInfileInputStream
```
public void setLocalInfileInputStream(InputStream inputStream)
```
    Sets the inputStream that will be used for the next execute that uses "LOAD DATA LOCAL INFILE". The name specified as local file/URL will be ignored.
    
    Parameters:
    
    inputStream - inputStream instance, that will be used to send data to server
  - cancel
```
public void cancel()
            throws SQLException
```
    Cancels this Statement object if both the DBMS and driver support aborting an SQL statement. This method can be used by one thread to cancel a statement that is being executed by another thread.
    
    Specified by:
    
    cancel in interface Statement
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method
  - getWarnings
```
public SQLWarning getWarnings()
                       throws SQLException
```
    Retrieves the first warning reported by calls on this Statement object. Subsequent Statement object warnings will be chained to this SQLWarning object. The warning chain is automatically cleared each time a statement is (re)executed. This method may not be called on a closed Statement object; doing so will cause an SQLException to be thrown.
    Note: If you are processing a ResultSet object, any warnings associated with reads on that ResultSet object will be chained on it rather than on the Statement object that produced it.
    
    Specified by:
    
    getWarnings in interface Statement
    
    Returns:
    
    the first SQLWarning object or null if there are no warnings
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
  - clearWarnings
```
public void clearWarnings()
                   throws SQLException
```
    Clears all the warnings reported on this Statement object. After a call to this method, the method getWarnings will return null until a new warning is reported for this Statement object.
    
    Specified by:
    
    clearWarnings in interface Statement
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
  - setCursorName
```
public void setCursorName(String name)
                   throws SQLException
```
    Sets the SQL cursor name to the given String, which will be used by subsequent Statement object execute methods. This name can then be used in SQL positioned update or delete statements to identify the current row in the ResultSet object generated by this statement. If the database does not support positioned update/delete, this method is a noop. To insure that a cursor has the proper isolation level to support updates, the cursor's SELECT statement should have the form SELECT FOR UPDATE. If FOR UPDATE is not present, positioned updates may fail.
    Note: By definition, the execution of positioned updates and deletes must be done by a different Statement object than the one that generated the ResultSet object being used for positioning. Also, cursor names must be unique within a connection.
    
    Specified by:
    
    setCursorName in interface Statement
    
    Parameters:
    
    name - the new cursor name, which must be unique within a connection
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method
  - getConnection
```
public Connection getConnection()
                         throws SQLException
```
    gets the connection that created this statement
    
    Specified by:
    
    getConnection in interface Statement
    
    Returns:
    
    the connection
    
    Throws:
    
    SQLException - if connection is invalid
  - getMoreResults
```
public boolean getMoreResults(int current)
                       throws SQLException
```
    Moves to this Statement object's next result, deals with any current ResultSet object(s) according to the instructions specified by the given flag, and returns true if the next result is a ResultSet object. There are no more results when the following is true:
```
 // stmt is a Statement object
 ((stmt.getMoreResults(current) == false) && (stmt.getUpdateCount() == -1))
```
    Specified by:
    
    getMoreResults in interface Statement
    
    Parameters:
    
    current - one of the following Statement constants indicating what should happen to current ResultSet objects obtained using the method getResultSet: Statement.CLOSE_CURRENT_RESULT, Statement.KEEP_CURRENT_RESULT, or Statement.CLOSE_ALL_RESULTS
    
    Returns:
    
    true if the next result is a ResultSet object; false if it is an update count or there are no more results
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the argument supplied is not one of the following: Statement.CLOSE_CURRENT_RESULT, Statement.KEEP_CURRENT_RESULT or Statement.CLOSE_ALL_RESULTS
    
    SQLFeatureNotSupportedException - if DatabaseMetaData.supportsMultipleOpenResults returns false and either Statement.KEEP_CURRENT_RESULT or Statement.CLOSE_ALL_RESULTS are supplied as the argument.
    
    Since:
    
    1.4
    
    See Also:
    
    execute(org.mariadb.jdbc.internal.common.query.Query)
  - getGeneratedKeys
```
public ResultSet getGeneratedKeys()
                           throws SQLException
```
    Retrieves any auto-generated keys created as a result of executing this Statement object. If this Statement object did not generate any keys, an empty ResultSet object is returned. Note:If the columns which represent the auto-generated keys were not specified, the JDBC driver implementation will determine the columns which best represent the auto-generated keys.
    
    Specified by:
    
    getGeneratedKeys in interface Statement
    
    Returns:
    
    a ResultSet object containing the auto-generated key(s) generated by the execution of this Statement object
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method
    
    Since:
    
    1.4
  - executeUpdate
```
public int executeUpdate(String sql,
                         int autoGeneratedKeys)
                  throws SQLException
```
    Executes the given SQL statement and signals the driver with the given flag about whether the auto-generated keys produced by this Statement object should be made available for retrieval. The driver will ignore the flag if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).
    
    Specified by:
    
    executeUpdate in interface Statement
    
    Parameters:
    
    sql - an SQL Data Manipulation Language (DML) statement, such as INSERT, UPDATE or DELETE; or an SQL statement that returns nothing, such as a DDL statement.
    
    autoGeneratedKeys - a flag indicating whether auto-generated keys should be made available for retrieval; one of the following constants: Statement.RETURN_GENERATED_KEYS Statement.NO_GENERATED_KEYS
    
    Returns:
    
    either (1) the row count for SQL Data Manipulation Language (DML) statements or (2) 0 for SQL statements that return nothing
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement, the given SQL statement returns a ResultSet object, or the given constant is not one of those allowed
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method with a constant of Statement.RETURN_GENERATED_KEYS
    
    Since:
    
    1.4
  - executeUpdate
```
public int executeUpdate(String sql,
                         int[] columnIndexes)
                  throws SQLException
```
    Executes the given SQL statement and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval. This array contains the indexes of the columns in the target table that contain the auto-generated keys that should be made available. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).
    
    Specified by:
    
    executeUpdate in interface Statement
    
    Parameters:
    
    sql - an SQL Data Manipulation Language (DML) statement, such as INSERT, UPDATE or DELETE; or an SQL statement that returns nothing, such as a DDL statement.
    
    columnIndexes - an array of column indexes indicating the columns that should be returned from the inserted row
    
    Returns:
    
    either (1) the row count for SQL Data Manipulation Language (DML) statements or (2) 0 for SQL statements that return nothing
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement, the SQL statement returns a ResultSet object, or the second argument supplied to this method is not an int array whose elements are valid column indexes
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method
    
    Since:
    
    1.4
  - executeUpdate
```
public int executeUpdate(String sql,
                         String[] columnNames)
                  throws SQLException
```
    Executes the given SQL statement and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval. This array contains the names of the columns in the target table that contain the auto-generated keys that should be made available. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).
    
    Specified by:
    
    executeUpdate in interface Statement
    
    Parameters:
    
    sql - an SQL Data Manipulation Language (DML) statement, such as INSERT, UPDATE or DELETE; or an SQL statement that returns nothing, such as a DDL statement.
    
    columnNames - an array of the names of the columns that should be returned from the inserted row
    
    Returns:
    
    either the row count for INSERT, UPDATE, or DELETE statements, or 0 for SQL statements that return nothing
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement, the SQL statement returns a ResultSet object, or the second argument supplied to this method is not a String array whose elements are valid column names
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method
    
    Since:
    
    1.4
  - execute
```
public boolean execute(String sql,
                       int autoGeneratedKeys)
                throws SQLException
```
    Executes the given SQL statement, which may return multiple results, and signals the driver that any auto-generated keys should be made available for retrieval. The driver will ignore this signal if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific). In some (uncommon) situations, a single SQL statement may return multiple result sets and/or update counts. Normally you can ignore this unless you are (1) executing a stored procedure that you know may return multiple results or (2) you are dynamically executing an unknown SQL string. The execute method executes an SQL statement and indicates the form of the first result. You must then use the methods getResultSet or getUpdateCount to retrieve the result, and getMoreResults to move to any subsequent result(s).
    
    Specified by:
    
    execute in interface Statement
    
    Parameters:
    
    sql - any SQL statement
    
    autoGeneratedKeys - a constant indicating whether auto-generated keys should be made available for retrieval using the method getGeneratedKeys; one of the following constants: Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS
    
    Returns:
    
    true if the first result is a ResultSet object; false if it is an update count or there are no results
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the second parameter supplied to this method is not Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS.
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method with a constant of Statement.RETURN_GENERATED_KEYS
    
    Since:
    
    1.4
    
    See Also:
    
    getResultSet(), getUpdateCount(), getMoreResults(int), getGeneratedKeys()
  - execute
```
public boolean execute(String sql,
                       int[] columnIndexes)
                throws SQLException
```
    Executes the given SQL statement, which may return multiple results, and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval. This array contains the indexes of the columns in the target table that contain the auto-generated keys that should be made available. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific). Under some (uncommon) situations, a single SQL statement may return multiple result sets and/or update counts. Normally you can ignore this unless you are (1) executing a stored procedure that you know may return multiple results or (2) you are dynamically executing an unknown SQL string. The execute method executes an SQL statement and indicates the form of the first result. You must then use the methods getResultSet or getUpdateCount to retrieve the result, and getMoreResults to move to any subsequent result(s).
    
    Specified by:
    
    execute in interface Statement
    
    Parameters:
    
    sql - any SQL statement
    
    columnIndexes - an array of the indexes of the columns in the inserted row that should be made available for retrieval by a call to the method getGeneratedKeys
    
    Returns:
    
    true if the first result is a ResultSet object; false if it is an update count or there are no results
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the elements in the int array passed to this method are not valid column indexes
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method
    
    Since:
    
    1.4
    
    See Also:
    
    getResultSet(), getUpdateCount(), getMoreResults(int)
  - execute
```
public boolean execute(String sql,
                       String[] columnNames)
                throws SQLException
```
    Executes the given SQL statement, which may return multiple results, and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval. This array contains the names of the columns in the target table that contain the auto-generated keys that should be made available. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific). In some (uncommon) situations, a single SQL statement may return multiple result sets and/or update counts. Normally you can ignore this unless you are (1) executing a stored procedure that you know may return multiple results or (2) you are dynamically executing an unknown SQL string. The execute method executes an SQL statement and indicates the form of the first result. You must then use the methods getResultSet or getUpdateCount to retrieve the result, and getMoreResults to move to any subsequent result(s).
    
    Specified by:
    
    execute in interface Statement
    
    Parameters:
    
    sql - any SQL statement
    
    columnNames - an array of the names of the columns in the inserted row that should be made available for retrieval by a call to the method getGeneratedKeys
    
    Returns:
    
    true if the next result is a ResultSet object; false if it is an update count or there are no more results
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the elements of the String array passed to this method are not valid column names
    
    SQLFeatureNotSupportedException - if the JDBC driver does not support this method
    
    Since:
    
    1.4
    
    See Also:
    
    getResultSet(), getUpdateCount(), getMoreResults(int), getGeneratedKeys()
  - getResultSetHoldability
```
public int getResultSetHoldability()
                            throws SQLException
```
    Retrieves the result set holdability for ResultSet objects generated by this Statement object.
    
    Specified by:
    
    getResultSetHoldability in interface Statement
    
    Returns:
    
    either ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    Since:
    
    1.4
  - isClosed
```
public boolean isClosed()
                 throws SQLException
```
    Retrieves whether this Statement object has been closed. A Statement is closed if the method close has been called on it, or if it is automatically closed.
    
    Specified by:
    
    isClosed in interface Statement
    
    Returns:
    
    true if this Statement object is closed; false if it is still open
    
    Throws:
    
    SQLException - if a database access error occurs
    
    Since:
    
    1.6
  - setPoolable
```
public void setPoolable(boolean poolable)
                 throws SQLException
```
    Requests that a Statement be pooled or not pooled. The value specified is a hint to the statement pool implementation indicating whether the applicaiton wants the statement to be pooled. It is up to the statement pool manager as to whether the hint is used. The poolable value of a statement is applicable to both internal statement caches implemented by the driver and external statement caches implemented by application servers and other applications. By default, a Statement is not poolable when created, and a PreparedStatement and CallableStatement are poolable when created.
    
    Specified by:
    
    setPoolable in interface Statement
    
    Parameters:
    
    poolable - requests that the statement be pooled if true and that the statement not be pooled if false
    
    Throws:
    
    SQLException - if this method is called on a closed Statement
    
    Since:
    
    1.6
  - isPoolable
```
public boolean isPoolable()
                   throws SQLException
```
    Returns a value indicating whether the Statement is poolable or not.
    
    Specified by:
    
    isPoolable in interface Statement
    
    Returns:
    
    true if the Statement is poolable; false otherwise
    
    Throws:
    
    SQLException - if this method is called on a closed Statement
    
    Since:
    
    1.6
    
    See Also:
    
    setPoolable(boolean)
  - getResultSet
```
public ResultSet getResultSet()
                       throws SQLException
```
    Specified by:
    
    getResultSet in interface Statement
    
    Throws:
    
    SQLException
  - getUpdateCount
```
public int getUpdateCount()
                   throws SQLException
```
    Specified by:
    
    getUpdateCount in interface Statement
    
    Throws:
    
    SQLException
  - getMoreResults
```
public boolean getMoreResults()
                       throws SQLException
```
    Moves to this Statement object's next result, returns true if it is a ResultSet object, and implicitly closes any current ResultSet object(s) obtained with the method getResultSet. There are no more results when the following is true:
```
 // stmt is a Statement object
 ((stmt.getMoreResults() == false) && (stmt.getUpdateCount() == -1)) 
```
    Specified by:
    
    getMoreResults in interface Statement
    
    Returns:
    
    true if the next result is a ResultSet object; false if it is an update count or there are no more results
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    See Also:
    
    execute(org.mariadb.jdbc.internal.common.query.Query)
  - setFetchDirection
```
public void setFetchDirection(int direction)
                       throws SQLException
```
    Gives the driver a hint as to the direction in which rows will be processed in ResultSet objects created using this Statement object. The default value is ResultSet.FETCH_FORWARD. Note that this method sets the default fetch direction for result sets generated by this Statement object. Each result set has its own methods for getting and setting its own fetch direction.
    
    Specified by:
    
    setFetchDirection in interface Statement
    
    Parameters:
    
    direction - the initial direction for processing rows
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the given direction is not one of ResultSet.FETCH_FORWARD, ResultSet.FETCH_REVERSE, or ResultSet.FETCH_UNKNOWN
    
    Since:
    
    1.2
    
    See Also:
    
    getFetchDirection()
  - getFetchDirection
```
public int getFetchDirection()
                      throws SQLException
```
    Retrieves the direction for fetching rows from database tables that is the default for result sets generated from this Statement object. If this Statement object has not set a fetch direction by calling the method setFetchDirection, the return value is implementation-specific.
    
    Specified by:
    
    getFetchDirection in interface Statement
    
    Returns:
    
    the default fetch direction for result sets generated from this Statement object
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    Since:
    
    1.2
    
    See Also:
    
    setFetchDirection(int)
  - setFetchSize
```
public void setFetchSize(int rows)
                  throws SQLException
```
    Gives the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for ResultSet objects genrated by this Statement. If the value specified is zero, then the hint is ignored. The default value is zero.
    
    Specified by:
    
    setFetchSize in interface Statement
    
    Parameters:
    
    rows - the number of rows to fetch
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the condition rows >= 0 is not satisfied.
    
    Since:
    
    1.2
    
    See Also:
    
    getFetchSize()
  - getFetchSize
```
public int getFetchSize()
                 throws SQLException
```
    Retrieves the number of result set rows that is the default fetch size for ResultSet objects generated from this Statement object. If this Statement object has not set a fetch size by calling the method setFetchSize, the return value is implementation-specific.
    
    Specified by:
    
    getFetchSize in interface Statement
    
    Returns:
    
    the default fetch size for result sets generated from this Statement object
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    Since:
    
    1.2
    
    See Also:
    
    setFetchSize(int)
  - getResultSetConcurrency
```
public int getResultSetConcurrency()
                            throws SQLException
```
    Retrieves the result set concurrency for ResultSet objects generated by this Statement object.
    
    Specified by:
    
    getResultSetConcurrency in interface Statement
    
    Returns:
    
    either ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    Since:
    
    1.2
  - getResultSetType
```
public int getResultSetType()
                     throws SQLException
```
    Retrieves the result set type for ResultSet objects generated by this Statement object.
    
    Specified by:
    
    getResultSetType in interface Statement
    
    Returns:
    
    one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
    
    Throws:
    
    SQLException - if a database access error occurs or this method is called on a closed Statement
    
    Since:
    
    1.2
  - addBatch
```
public void addBatch(String sql)
              throws SQLException
```
    Adds the given SQL command to the current list of commmands for this Statement object. The commands in this list can be executed as a batch by calling the method executeBatch.
    
    Specified by:
    
    addBatch in interface Statement
    
    Parameters:
    
    sql - typically this is a SQL INSERT or UPDATE statement
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the driver does not support batch updates
    
    Since:
    
    1.2
    
    See Also:
    
    executeBatch(), DatabaseMetaData.supportsBatchUpdates()
  - isInsertRewriteable
```
protected void isInsertRewriteable(String sql)
```
    Parses the sql string to understand whether it is compatible with rewritten batches.
    
    Parameters:
    
    sql - the sql string
  - getInsertIncipit
```
protected int getInsertIncipit(String sql)
```
    Parses the input string to understand if it is an INSERT statement. Returns the position of the round bracket after the VALUE(S) SQL keyword, or -1 if it cannot understand it is an INSERT statement. Multiple statements cannot be parsed.
    
    Parameters:
    
    sql - the input SQL statement
    
    Returns:
    
    the position of the round bracket after the VALUE(S) SQL keyword, or -1 if it cannot be parsed as an INSERT statement
  - clearBatch
```
public void clearBatch()
                throws SQLException
```
    Empties this Statement object's current list of SQL commands.
    
    Specified by:
    
    clearBatch in interface Statement
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the driver does not support batch updates
    
    Since:
    
    1.2
    
    See Also:
    
    addBatch(java.lang.String), DatabaseMetaData.supportsBatchUpdates()
  - executeBatch
```
public int[] executeBatch()
                   throws SQLException
```
    Submits a batch of commands to the database for execution and if all commands execute successfully, returns an array of update counts. The int elements of the array that is returned are ordered to correspond to the commands in the batch, which are ordered according to the order in which they were added to the batch. The elements in the array returned by the method executeBatch may be one of the following:
    1. A number greater than or equal to zero -- indicates that the command was processed successfully and is an update count giving the number of rows in the database that were affected by the command's execution
    2. A value of SUCCESS_NO_INFO -- indicates that the command was processed successfully but that the number of rows affected is unknown If one of the commands in a batch update fails to execute properly, this method throws a BatchUpdateException, and a JDBC driver may or may not continue to process the remaining commands in the batch. However, the driver's behavior must be consistent with a particular DBMS, either always continuing to process commands or never continuing to process commands. If the driver continues processing after a failure, the array returned by the method BatchUpdateException.getUpdateCounts will contain as many elements as there are commands in the batch, and at least one of the elements will be the following:
    3. A value of EXECUTE_FAILED -- indicates that the command failed to execute successfully and occurs only if a driver continues to process commands after a command fails
    The possible implementations and return values have been modified in the Java 2 SDK, Standard Edition, version 1.3 to accommodate the option of continuing to proccess commands in a batch update after a BatchUpdateException obejct has been thrown.
    Specified by:
    
    executeBatch in interface Statement
    
    Returns:
    
    an array of update counts containing one element for each command in the batch. The elements of the array are ordered according to the order in which commands were added to the batch.
    
    Throws:
    
    SQLException - if a database access error occurs, this method is called on a closed Statement or the driver does not support batch statements. Throws BatchUpdateException (a subclass of SQLException) if one of the commands sent to the database fails to execute properly or attempts to return a result set.
    
    Since:
    
    1.3
    
    See Also:
    
    addBatch(java.lang.String), DatabaseMetaData.supportsBatchUpdates()
  - getUpdateCounts
```
protected int[] getUpdateCounts(Statement statement,
                                int size)
                         throws SQLException
```
    Retrieves the update counts for the batched statements rewritten as a multi query. The rewritten statement must have been executed already.
    
    Parameters:
    
    statement - the rewritten statement
    
    size - the number of batch statement
    
    Returns:
    
    an array of update counts containing one element for each command in the batch. The elements of the array are ordered according to the order in which commands were added to the batch.
    
    Throws:
    
    SQLException - if the connection has interruption
  - getUpdateCountsForReWrittenBatch
```
protected int[] getUpdateCountsForReWrittenBatch(Statement statement,
                                                 int size)
                                          throws SQLException
```
    Throws:
    
    SQLException
  - unwrap
```
public <T> T unwrap(Class<T> iface)
             throws SQLException
```
    Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy. If the receiver implements the interface then the result is the receiver or a proxy for the receiver. If the receiver is a wrapper and the wrapped object implements the interface then the result is the wrapped object or a proxy for the wrapped object. Otherwise return the the result of calling unwrap recursively on the wrapped object or a proxy for that result. If the receiver is not a wrapper and does not implement the interface, then an SQLException is thrown.
    
    Specified by:
    
    unwrap in interface Wrapper
    
    Parameters:
    
    iface - A Class defining an interface that the result must implement.
    
    Returns:
    
    an object that implements the interface. May be a proxy for the actual implementing object.
    
    Throws:
    
    SQLException - If no object found that implements the interface
    
    Since:
    
    1.6
  - isWrapperFor
```
public boolean isWrapperFor(Class<?> interfaceOrWrapper)
                     throws SQLException
```
    Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does. Returns false otherwise. If this implements the interface then return true, else if this is a wrapper then return the result of recursively calling isWrapperFor on the wrapped object. If this does not implement the interface and is not a wrapper, return false. This method should be implemented as a low-cost operation compared to unwrap so that callers can use this method to avoid expensive unwrap calls that may fail. If this method returns true then calling unwrap with the same argument should succeed.
    
    Specified by:
    
    isWrapperFor in interface Wrapper
    
    Parameters:
    
    interfaceOrWrapper - a Class defining an interface.
    
    Returns:
    
    true if this implements the interface or directly or indirectly wraps an object that does.
    
    Throws:
    
    SQLException - if an error occurs while determining whether this is a wrapper for an object with the given interface.
    
    Since:
    
    1.6
  - closeOnCompletion
```
public void closeOnCompletion()
                       throws SQLException
```
    Specified by:
    
    closeOnCompletion in interface Statement
    
    Throws:
    
    SQLException
  - isCloseOnCompletion
```
public boolean isCloseOnCompletion()
                            throws SQLException
```
    Specified by:
    
    isCloseOnCompletion in interface Statement
    
    Throws:
    
    SQLException
  - unloadDriver
```
public static void unloadDriver()
```

Class MySQLStatement

Field Summary

Fields inherited from interface java.sql.Statement

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.sql.Statement

Field Detail

connection

isRewriteable

firstRewrite

batchResultSet

Constructor Detail

MySQLStatement

Method Detail

isStreaming

getProtocol

execute

execute

executeQuery

executeUpdate

execute

executeUpdate

executeQuery

close

getMaxFieldSize

setMaxFieldSize

getMaxRows

setMaxRows

setEscapeProcessing

getQueryTimeout

setQueryTimeout

setLocalInfileInputStream

cancel

getWarnings

clearWarnings

setCursorName

getConnection

getMoreResults

getGeneratedKeys

executeUpdate

executeUpdate

executeUpdate

execute

execute

execute

getResultSetHoldability

isClosed

setPoolable

isPoolable

getResultSet

getUpdateCount

getMoreResults

setFetchDirection

getFetchDirection

setFetchSize

getFetchSize

getResultSetConcurrency

getResultSetType

addBatch

isInsertRewriteable

getInsertIncipit

clearBatch

executeBatch

getUpdateCounts

getUpdateCountsForReWrittenBatch

unwrap

isWrapperFor

closeOnCompletion

isCloseOnCompletion

unloadDriver