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com.alibaba.druid.pool.ElasticSearchPreparedStatement Maven / Gradle / Ivy
package com.alibaba.druid.pool;
import com.alibaba.druid.proxy.jdbc.JdbcParameter;
import com.alibaba.druid.proxy.jdbc.JdbcParameterDate;
import com.alibaba.druid.proxy.jdbc.JdbcParameterDecimal;
import com.alibaba.druid.proxy.jdbc.JdbcParameterImpl;
import com.alibaba.druid.proxy.jdbc.JdbcParameterInt;
import com.alibaba.druid.proxy.jdbc.JdbcParameterLong;
import com.alibaba.druid.proxy.jdbc.JdbcParameterNull;
import com.alibaba.druid.proxy.jdbc.JdbcParameterString;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.parser.ParserException;
import com.alibaba.druid.sql.parser.SQLStatementParser;
import com.alibaba.druid.support.logging.Log;
import com.alibaba.druid.support.logging.LogFactory;
import com.alibaba.druid.util.JdbcConstants;
import org.nlpcn.es4sql.query.ESActionFactory;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.Date;
import java.sql.NClob;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.List;
public class ElasticSearchPreparedStatement implements PreparedStatement {
private final static Log LOG = LogFactory.getLog(ElasticSearchPreparedStatement.class);
private String sql;
private JdbcParameter[] parameters;
private int parametersSize;
private ResultSet results = null;
private SQLUtils.FormatOption sqlFormatOption = new SQLUtils.FormatOption(false, false);
public ElasticSearchPreparedStatement(String sql) {
this.sql = sql;
this.parameters = new JdbcParameter[16];
this.parametersSize = 0;
}
public String getSql() {
return sql;
}
public String getExecutableSql() {
if (parametersSize < 1) {
return sql;
}
List parameters = new ArrayList<>(parametersSize);
JdbcParameter jdbcParam;
for (int i = 0; i < parametersSize; ++i) {
jdbcParam = this.parameters[i];
parameters.add(jdbcParam != null ? jdbcParam.getValue() : null);
}
try {
SQLStatementParser parser = ESActionFactory.createSqlStatementParser(sql);
List statementList = parser.parseStatementList();
return SQLUtils.toSQLString(statementList, JdbcConstants.MYSQL, parameters, sqlFormatOption);
} catch (ClassCastException | ParserException ex) {
LOG.warn("format error", ex);
return sql;
}
}
@Override
public ResultSet executeQuery() throws SQLException {
return null;
}
@Override
public int executeUpdate() throws SQLException {
return 0;
}
@Override
public void setNull(int parameterIndex, int sqlType) throws SQLException {
setParameter(parameterIndex, createParameterNull(sqlType));
}
@Override
public void setBoolean(int parameterIndex, boolean x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BOOLEAN, x));
}
@Override
public void setByte(int parameterIndex, byte x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TINYINT, x));
}
@Override
public void setShort(int parameterIndex, short x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.SMALLINT, x));
}
@Override
public void setInt(int parameterIndex, int x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
}
@Override
public void setLong(int parameterIndex, long x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
}
@Override
public void setFloat(int parameterIndex, float x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.FLOAT, x));
}
@Override
public void setDouble(int parameterIndex, double x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.DOUBLE, x));
}
@Override
public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
}
@Override
public void setString(int parameterIndex, String x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
}
@Override
public void setBytes(int parameterIndex, byte[] x) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.BYTES, x));
}
@Override
public void setDate(int parameterIndex, Date x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
}
@Override
public void setTime(int parameterIndex, Time x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TIME, x));
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.AsciiInputStream, x, length));
}
@Override
public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.UnicodeStream, x, length));
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.BinaryInputStream, x, length));
}
@Override
public void clearParameters() throws SQLException {
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
setParameter(parameterIndex, createParameter(targetSqlType, x));
}
@Override
public void setObject(int parameterIndex, Object x) throws SQLException {
setObjectParameter(parameterIndex, x);
}
@Override
public boolean execute() throws SQLException {
return false;
}
@Override
public void addBatch() throws SQLException {
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.CharacterInputStream, reader, length));
}
@Override
public void setRef(int parameterIndex, Ref x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.REF, x));
}
@Override
public void setBlob(int parameterIndex, Blob x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BLOB, x));
}
@Override
public void setClob(int parameterIndex, Clob x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.CLOB, x));
}
@Override
public void setArray(int parameterIndex, Array x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.ARRAY, x));
}
@Override
public ResultSetMetaData getMetaData() throws SQLException {
return null;
}
@Override
public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
setParameter(parameterIndex, createParameter(Types.DATE, x, cal));
}
@Override
public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TIME, x, cal));
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TIMESTAMP, x, cal));
}
@Override
public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
setParameter(parameterIndex, createParameterNull(sqlType));
}
@Override
public void setURL(int parameterIndex, URL x) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.URL, x));
}
@Override
public ParameterMetaData getParameterMetaData() throws SQLException {
return null;
}
@Override
public void setRowId(int parameterIndex, RowId x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.ROWID, x));
}
@Override
public void setNString(int parameterIndex, String value) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NVARCHAR, value));
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.NCharacterInputStream, value, length));
}
@Override
public void setNClob(int parameterIndex, NClob value) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NCLOB, value));
}
@Override
public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
setParameter(parameterIndex, createParameter(Types.CLOB, reader, length));
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream, long length) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BLOB, inputStream, length));
}
@Override
public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NCLOB, reader, length));
}
@Override
public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
setParameter(parameterIndex, createParameter(Types.SQLXML, xmlObject));
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength) throws SQLException {
setParameter(parameterIndex, createParameter(x, targetSqlType, scaleOrLength));
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.AsciiInputStream, x, length));
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.BinaryInputStream, x, length));
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, long length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.CharacterInputStream, reader, length));
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.AsciiInputStream, x));
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.BinaryInputStream, x));
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.CharacterInputStream, reader));
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.NCharacterInputStream, value));
}
@Override
public void setClob(int parameterIndex, Reader reader) throws SQLException {
setParameter(parameterIndex, createParameter(Types.CLOB, reader));
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BLOB, inputStream));
}
@Override
public void setNClob(int parameterIndex, Reader reader) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NCLOB, reader));
}
@Override
public ResultSet executeQuery(String sql) throws SQLException {
return null;
}
@Override
public int executeUpdate(String sql) throws SQLException {
return 0;
}
@Override
public void close() throws SQLException {
if (this.results != null) {
this.results.close();
}
this.results = null;
this.parameters = null;
this.parametersSize = 0;
}
@Override
public int getMaxFieldSize() throws SQLException {
return 0;
}
@Override
public void setMaxFieldSize(int max) throws SQLException {
}
@Override
public int getMaxRows() throws SQLException {
return 0;
}
@Override
public void setMaxRows(int max) throws SQLException {
}
@Override
public void setEscapeProcessing(boolean enable) throws SQLException {
}
@Override
public int getQueryTimeout() throws SQLException {
return 0;
}
@Override
public void setQueryTimeout(int seconds) throws SQLException {
}
@Override
public void cancel() throws SQLException {
}
@Override
public SQLWarning getWarnings() throws SQLException {
return null;
}
@Override
public void clearWarnings() throws SQLException {
}
@Override
public void setCursorName(String name) throws SQLException {
}
@Override
public boolean execute(String sql) throws SQLException {
return false;
}
@Override
public ResultSet getResultSet() throws SQLException {
return this.results;
}
@Override
public int getUpdateCount() throws SQLException {
return 0;
}
@Override
public boolean getMoreResults() throws SQLException {
return false;
}
@Override
public void setFetchDirection(int direction) throws SQLException {
}
@Override
public int getFetchDirection() throws SQLException {
return 0;
}
@Override
public void setFetchSize(int rows) throws SQLException {
}
@Override
public int getFetchSize() throws SQLException {
return 0;
}
@Override
public int getResultSetConcurrency() throws SQLException {
return 0;
}
@Override
public int getResultSetType() throws SQLException {
return 0;
}
@Override
public void addBatch(String sql) throws SQLException {
}
@Override
public void clearBatch() throws SQLException {
}
@Override
public int[] executeBatch() throws SQLException {
return new int[0];
}
@Override
public Connection getConnection() throws SQLException {
return null;
}
@Override
public boolean getMoreResults(int current) throws SQLException {
return false;
}
@Override
public ResultSet getGeneratedKeys() throws SQLException {
return null;
}
@Override
public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException {
return 0;
}
@Override
public int executeUpdate(String sql, int[] columnIndexes) throws SQLException {
return 0;
}
@Override
public int executeUpdate(String sql, String[] columnNames) throws SQLException {
return 0;
}
@Override
public boolean execute(String sql, int autoGeneratedKeys) throws SQLException {
return false;
}
@Override
public boolean execute(String sql, int[] columnIndexes) throws SQLException {
return false;
}
@Override
public boolean execute(String sql, String[] columnNames) throws SQLException {
return false;
}
@Override
public int getResultSetHoldability() throws SQLException {
return 0;
}
@Override
public boolean isClosed() throws SQLException {
return false;
}
@Override
public void setPoolable(boolean poolable) throws SQLException {
}
@Override
public boolean isPoolable() throws SQLException {
return false;
}
@Override
public void closeOnCompletion() throws SQLException {
}
@Override
public boolean isCloseOnCompletion() throws SQLException {
return false;
}
@Override
public T unwrap(Class iface) throws SQLException {
return null;
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
return false;
}
public void setResults(ResultSet results) {
this.results = results;
}
private JdbcParameter createParameterNull(int sqlType) {
return JdbcParameterNull.valueOf(sqlType);
}
private JdbcParameter createParameter(int sqlType, Object value) {
if (value == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, value);
}
private JdbcParameter createParameter(int x) {
return JdbcParameterInt.valueOf(x);
}
private JdbcParameter createParameter(long x) {
return JdbcParameterLong.valueOf(x);
}
private JdbcParameter createParameter(BigDecimal x) {
if (x == null) {
return JdbcParameterNull.DECIMAL;
}
return JdbcParameterDecimal.valueOf(x);
}
private JdbcParameter createParameter(String x) {
if (x == null) {
return JdbcParameterNull.VARCHAR;
}
if (x.length() == 0) {
return JdbcParameterString.empty;
}
return new JdbcParameterString(x);
}
private JdbcParameter createParameter(java.util.Date x) {
if (x == null) {
return JdbcParameterNull.DATE;
}
return new JdbcParameterDate(x);
}
private JdbcParameter createParameter(int sqlType, Object value, long length) {
if (value == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, value, length);
}
private void setObjectParameter(int parameterIndex, Object x) {
if (x == null) {
setParameter(parameterIndex, createParameterNull(Types.OTHER));
return;
}
Class clazz = x.getClass();
if (clazz == Byte.class) {
setParameter(parameterIndex, createParameter(Types.TINYINT, x));
return;
}
if (clazz == Short.class) {
setParameter(parameterIndex, createParameter(Types.SMALLINT, x));
return;
}
if (clazz == Integer.class) {
setParameter(parameterIndex, createParameter((Integer) x));
return;
}
if (clazz == Long.class) {
setParameter(parameterIndex, createParameter((Long) x));
return;
}
if (clazz == String.class) {
setParameter(parameterIndex, createParameter((String) x));
return;
}
if (clazz == BigDecimal.class) {
setParameter(parameterIndex, createParameter((BigDecimal) x));
return;
}
if (clazz == Float.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.FLOAT, x));
return;
}
if (clazz == Double.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.DOUBLE, x));
return;
}
if (clazz == java.sql.Date.class || clazz == java.util.Date.class) {
setParameter(parameterIndex, createParameter((java.util.Date) x));
return;
}
if (clazz == java.sql.Timestamp.class) {
setParameter(parameterIndex, createParameter((java.sql.Timestamp) x));
return;
}
if (clazz == java.sql.Time.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.TIME, x));
return;
}
if (clazz == Boolean.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.BOOLEAN, x));
return;
}
if (clazz == byte[].class) {
setParameter(parameterIndex, new JdbcParameterImpl(JdbcParameter.TYPE.BYTES, x));
return;
}
if (x instanceof InputStream) {
setParameter(parameterIndex, new JdbcParameterImpl(JdbcParameter.TYPE.BinaryInputStream, x));
return;
}
if (x instanceof Reader) {
setParameter(parameterIndex, new JdbcParameterImpl(JdbcParameter.TYPE.CharacterInputStream, x));
return;
}
if (x instanceof Clob) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.CLOB, x));
return;
}
if (x instanceof NClob) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.NCLOB, x));
return;
}
if (x instanceof Blob) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.BLOB, x));
return;
}
setParameter(parameterIndex, createParameter(Types.OTHER, null));
}
private JdbcParameter createParameter(int sqlType, Object value, Calendar calendar) {
if (value == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, value, calendar);
}
private JdbcParameter createParameter(Object x, int sqlType, int scaleOrLength) {
if (x == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, x, -1, null, scaleOrLength);
}
private void setParameter(int jdbcIndex, JdbcParameter parameter) {
int index = jdbcIndex - 1;
if (jdbcIndex > parametersSize) {
parametersSize = jdbcIndex;
}
if (parametersSize >= parameters.length) {
int oldCapacity = parameters.length;
int newCapacity = oldCapacity + (oldCapacity >> 1);
if (newCapacity <= 4) {
newCapacity = 4;
}
parameters = Arrays.copyOf(parameters, newCapacity);
}
parameters[index] = parameter;
}
}
