com.dolphindb.jdbc

Class Utils

java.lang.Object

com.dolphindb.jdbc.Utils

public class Utils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Pattern	ASSIGN_PATTERN
static Pattern	DELETE_LOADTABLE_PATTERN
static Pattern	DELETE_PATTERN
static int	DML_DELETE
static int	DML_EXEC
static int	DML_INSERT
static int	DML_OTHER
static int	DML_SELECT
static int	DML_UPDATE
static Set<String>	sqlWareHouse
static Pattern	UPDATE_PATTERN

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static String	changeCase(String sql)
static String	changeCase(String sql, JDBCConnection connection)
static void	checkInsertSQLValid(String sql, int columnSize)
static boolean	checkServerVersionIfSupportCatalog(JDBCConnection connection)
static boolean	checkServerVersionIfSupportCatalog(String version)
static boolean	checkServerVersionIfSupportRowCount(JDBCConnection connection)
static boolean	checkServerVersionIfSupportRowCount(String version)
static boolean	checkServerVersionIfSupportRunSql(JDBCConnection connection)
static boolean	checkServerVersionIfSupportRunSql(String version)
static Object	convertEntityToJavaObject(com.xxdb.data.Entity entity, com.xxdb.data.Entity.DATA_TYPE dataType)
static com.xxdb.data.Entity	convertJavaObjectToEntity(Object value)
static Object	convertVectorToJavaObjectArray(com.xxdb.data.Vector vector)
static Object	convertVectorToJavaObjectArray(com.xxdb.data.Vector vector, int startIndex, int endIndex)
static com.xxdb.data.Scalar	createScalar(com.xxdb.data.Entity.DATA_TYPE dataType, String value, int extraParam)
static com.xxdb.data.Vector	createStringVector(com.xxdb.data.Entity.DATA_TYPE dataType, String[] values, int extraParam)
static String	dbVectorString(String s)
static int	getDml(String sql)
static Map<String,Integer>	getInsertColumnParamInSql(String sql)
static String	getInsertColumnString(String sql)
static String	getInsertValueQuestionString(String sql)
static String[]	getProperties(Properties prop, String[] keys)
static String	getRandomString(int length)
static String	getSelectOneColName(String sql)
static String	getTableName(String sql, boolean isPrepareStatement)
static boolean	isEmpty(CharSequence cs)
static boolean	isNotEmpty(CharSequence cs)
static boolean	isUpdateable(String s)
static Object	java2db(Object o)
static void	joinOrder(StringBuilder sb, String[] values, String join)
static String	oracleToDolphin(String sql)
static String	outerJoinToFullJoin(String sql)
static List<String>	parseMvccPath(String str)
static String	parseOtherPath(String str, Set<String> aliasSet)
static void	parseProperties(String s, Properties prop, String split1, String split2)
static String	parseTableAliasPropToScript(String tableAliasValue)
static int	transferColDefsTypesToSqlTypes(String type)
static com.xxdb.data.BasicTable	Vevtor2Table(com.xxdb.data.Vector vector, String sql)

Methods inherited from class java.lang.Object

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

Field Detail

DML_OTHER

public static final int DML_OTHER

See Also:

Constant Field Values

DML_SELECT

public static final int DML_SELECT

See Also:

Constant Field Values

DML_INSERT

public static final int DML_INSERT

See Also:

Constant Field Values

DML_UPDATE

public static final int DML_UPDATE

See Also:

Constant Field Values

DML_DELETE

public static final int DML_DELETE

See Also:

Constant Field Values

DML_EXEC

public static final int DML_EXEC

See Also:

Constant Field Values

DELETE_PATTERN

public static final Pattern DELETE_PATTERN

DELETE_LOADTABLE_PATTERN

public static final Pattern DELETE_LOADTABLE_PATTERN

UPDATE_PATTERN

public static final Pattern UPDATE_PATTERN

ASSIGN_PATTERN

public static final Pattern ASSIGN_PATTERN

sqlWareHouse

public static Set<String> sqlWareHouse

Constructor Detail

Utils

public Utils()

Method Detail

java2db

public static Object java2db(Object o)

dbVectorString

public static String dbVectorString(String s)

joinOrder

public static void joinOrder(StringBuilder sb,
                             String[] values,
                             String join)

parseProperties

public static void parseProperties(String s,
                                   Properties prop,
                                   String split1,
                                   String split2)
                            throws SQLException

Throws:

SQLException

getProperties

public static String[] getProperties(Properties prop,
                                     String[] keys)

getDml

public static int getDml(String sql)

getTableName

public static String getTableName(String sql,
                                  boolean isPrepareStatement)
                           throws SQLException

Throws:

SQLException

isUpdateable

public static boolean isUpdateable(String s)

getRandomString

public static String getRandomString(int length)

Vevtor2Table

public static com.xxdb.data.BasicTable Vevtor2Table(com.xxdb.data.Vector vector,
                                                    String sql)

checkServerVersionIfSupportCatalog

public static boolean checkServerVersionIfSupportCatalog(String version)

checkServerVersionIfSupportRunSql

public static boolean checkServerVersionIfSupportRunSql(String version)

checkServerVersionIfSupportRowCount

public static boolean checkServerVersionIfSupportRowCount(String version)

changeCase

public static String changeCase(String sql)

changeCase

public static String changeCase(String sql,
                                JDBCConnection connection)

getSelectOneColName

public static String getSelectOneColName(String sql)

outerJoinToFullJoin

public static String outerJoinToFullJoin(String sql)

oracleToDolphin

public static String oracleToDolphin(String sql)

isEmpty

public static boolean isEmpty(CharSequence cs)

isNotEmpty

public static boolean isNotEmpty(CharSequence cs)

parseTableAliasPropToScript

public static String parseTableAliasPropToScript(String tableAliasValue)

parseOtherPath

public static String parseOtherPath(String str,
                                    Set<String> aliasSet)

parseMvccPath

public static List<String> parseMvccPath(String str)

getInsertColumnString

public static String getInsertColumnString(String sql)

getInsertValueQuestionString

public static String getInsertValueQuestionString(String sql)

getInsertColumnParamInSql

public static Map<String,Integer> getInsertColumnParamInSql(String sql)

checkInsertSQLValid

public static void checkInsertSQLValid(String sql,
                                       int columnSize)

transferColDefsTypesToSqlTypes

public static int transferColDefsTypesToSqlTypes(String type)

checkServerVersionIfSupportCatalog

public static boolean checkServerVersionIfSupportCatalog(JDBCConnection connection)

checkServerVersionIfSupportRunSql

public static boolean checkServerVersionIfSupportRunSql(JDBCConnection connection)

checkServerVersionIfSupportRowCount

public static boolean checkServerVersionIfSupportRowCount(JDBCConnection connection)

convertEntityToJavaObject

public static Object convertEntityToJavaObject(com.xxdb.data.Entity entity,
                                               com.xxdb.data.Entity.DATA_TYPE dataType)

convertVectorToJavaObjectArray

public static Object convertVectorToJavaObjectArray(com.xxdb.data.Vector vector)
                                             throws SQLException

Throws:

SQLException

convertVectorToJavaObjectArray

public static Object convertVectorToJavaObjectArray(com.xxdb.data.Vector vector,
                                                    int startIndex,
                                                    int endIndex)
                                             throws SQLException

Throws:

SQLException

convertJavaObjectToEntity

public static com.xxdb.data.Entity convertJavaObjectToEntity(Object value)
                                                      throws Exception

Throws:

Exception

createScalar

public static com.xxdb.data.Scalar createScalar(com.xxdb.data.Entity.DATA_TYPE dataType,
                                                String value,
                                                int extraParam)

createStringVector

public static com.xxdb.data.Vector createStringVector(com.xxdb.data.Entity.DATA_TYPE dataType,
                                                      String[] values,
                                                      int extraParam)
                                               throws Exception

Throws:

Exception