程序包 com.mysql.cj

类 ParseInfo

java.lang.Object

com.mysql.cj.ParseInfo

public class ParseInfo
extends Object

Represents the "parsed" state of a prepared query, with the statement broken up into its static and dynamic (where parameters are bound) parts.

字段概要

字段

修饰符和类型	字段	说明
int	numberOfQueries
protected static String[]	ON_DUPLICATE_KEY_UPDATE_CLAUSE

构造器概要

构造器

构造器	说明
ParseInfo(String sql, Session session, String encoding)
ParseInfo(String sql, Session session, String encoding, boolean buildRewriteInfo)

方法概要

修饰符和类型	方法	说明
protected static boolean	canRewrite(String sql, boolean isOnDuplicateKeyUpdate, int locationOfOnDuplicateKeyUpdate, int statementStartPos)
boolean	canRewriteAsMultiValueInsertAtSqlLevel()
boolean	containsOnDuplicateKeyUpdateInSQL()
protected static int	findStartOfStatement(String sql)
char	getFirstStmtChar()
int	getLocationOfOnDuplicateKeyUpdate()
static int	getOnDuplicateKeyLocation(String sql, boolean dontCheckOnDuplicateKeyUpdateInSQL, boolean rewriteBatchedStatements, boolean noBackslashEscapes)
ParseInfo	getParseInfoForBatch(int numBatch)	Returns a ParseInfo for a multi-value INSERT for a batch of size numBatch (without parsing!).
String	getSqlForBatch()	Used for filling in the SQL for getPreparedSql() - for debugging
String	getSqlForBatch(int numBatch)	Returns a preparable SQL string for the number of batched parameters; used by server-side prepared statements when re-writing batch INSERTs.
byte[][]	getStaticSql()
String	getValuesClause()
boolean	isFoundLoadData()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

ON_DUPLICATE_KEY_UPDATE_CLAUSE

protected static final String[] ON_DUPLICATE_KEY_UPDATE_CLAUSE

numberOfQueries

public int numberOfQueries

构造器详细资料

ParseInfo

public ParseInfo(String sql,
                 Session session,
                 String encoding)

ParseInfo

public ParseInfo(String sql,
                 Session session,
                 String encoding,
                 boolean buildRewriteInfo)

方法详细资料

getStaticSql

public byte[][] getStaticSql()

getValuesClause

public String getValuesClause()

getLocationOfOnDuplicateKeyUpdate

public int getLocationOfOnDuplicateKeyUpdate()

canRewriteAsMultiValueInsertAtSqlLevel

public boolean canRewriteAsMultiValueInsertAtSqlLevel()

containsOnDuplicateKeyUpdateInSQL

public boolean containsOnDuplicateKeyUpdateInSQL()

getParseInfoForBatch

public ParseInfo getParseInfoForBatch(int numBatch)

Returns a ParseInfo for a multi-value INSERT for a batch of size numBatch (without parsing!).

参数:

numBatch - number of batched parameters

返回:

ParseInfo

getSqlForBatch

public String getSqlForBatch(int numBatch)
                      throws UnsupportedEncodingException

Returns a preparable SQL string for the number of batched parameters; used by server-side prepared statements when re-writing batch INSERTs.

参数:

numBatch - number of batched parameters

返回:

SQL string

抛出:

UnsupportedEncodingException - if an error occurs

getSqlForBatch

public String getSqlForBatch()
                      throws UnsupportedEncodingException

Used for filling in the SQL for getPreparedSql() - for debugging

返回:

sql string

抛出:

UnsupportedEncodingException - if an error occurs

findStartOfStatement

protected static int findStartOfStatement(String sql)

getOnDuplicateKeyLocation

public static int getOnDuplicateKeyLocation(String sql,
                                            boolean dontCheckOnDuplicateKeyUpdateInSQL,
                                            boolean rewriteBatchedStatements,
                                            boolean noBackslashEscapes)

canRewrite

protected static boolean canRewrite(String sql,
                                    boolean isOnDuplicateKeyUpdate,
                                    int locationOfOnDuplicateKeyUpdate,
                                    int statementStartPos)

isFoundLoadData

public boolean isFoundLoadData()

getFirstStmtChar

public char getFirstStmtChar()