com.tigergraph.jdbc.common.PreparedStatement Maven / Gradle / Ivy
package com.tigergraph.jdbc.common;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Ref;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Array;
import java.sql.RowId;
import java.sql.NClob;
import java.sql.SQLXML;
import java.util.Calendar;
import java.util.HashMap;
import com.tigergraph.jdbc.restpp.RestppArray;
public abstract class PreparedStatement extends Statement implements java.sql.PreparedStatement {
protected HashMap parameters;
protected String statement;
/** Default constructor */
protected PreparedStatement(Connection connection, String preparedStatement) {
super(connection);
this.statement = preparedStatement;
this.parameters = new HashMap<>();
}
/** Insert a parameter into the map. */
private void insertParameter(int index, Object obj) {
this.parameters.put(index, obj);
}
/*
* Methods with default implementation.
*/
@Override
public void setNull(int parameterIndex, int sqlType) throws SQLException {
this.insertParameter(parameterIndex, null);
}
@Override
public void setBoolean(int parameterIndex, boolean val) throws SQLException {
this.insertParameter(parameterIndex, val);
}
// < short, int, long => TG int (8 bytes) >
@Override
public void setShort(int parameterIndex, short val) throws SQLException {
setLong(parameterIndex, val);
}
@Override
public void setInt(int parameterIndex, int val) throws SQLException {
setLong(parameterIndex, val);
}
@Override
public void setLong(int parameterIndex, long val) throws SQLException {
this.insertParameter(parameterIndex, val);
}
@Override
public void setFloat(int parameterIndex, float val) throws SQLException {
this.insertParameter(parameterIndex, val);
}
@Override
public void setDouble(int parameterIndex, double val) throws SQLException {
this.insertParameter(parameterIndex, val);
}
/**
* TigerGraph will convert decimal to double which can cause precision loss For spark DecimalType,
* it can represent a UINT64 or a decimal
*/
@Override
public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
// Default value of Double in TG is 0
if (x == null) {
x = new BigDecimal(0);
}
// TG can't parse the scientific notation for UINT64, e.g. 1.23E+5 (but works for DOUBLE)
// So if the decimal is an integer, cast it to BigInteger
try {
this.insertParameter(parameterIndex, x.toBigIntegerExact());
} catch (ArithmeticException e) {
// x has a nonzero fractional part.
this.insertParameter(parameterIndex, x.doubleValue());
}
}
// < bytes, timestamp, date, string => string => TG datetime/string >
@Override
public void setString(int parameterIndex, String val) throws SQLException {
// Default value of String in TG is ""
if (val == null) {
val = "";
}
this.insertParameter(parameterIndex, val);
}
/** Only for UTF-8 encoding */
@Override
public void setBytes(int parameterIndex, byte[] x) throws SQLException {
// Default value of String in TG is ""
if (x == null) {
x = new byte[] {};
}
setString(parameterIndex, new String(x, StandardCharsets.UTF_8));
}
/** TigerGraph will drop fractional digits (YYYY-MM-DD hh:mm:ss.fffff --> YYYY-MM-DD hh:mm:ss) */
@Override
public void setTimestamp(int parameterIndex, Timestamp val) throws SQLException {
// Default value of Datetime in TG is "1970-01-01 00:00:00"
if (val == null) {
val = new Timestamp(0);
}
setString(parameterIndex, val.toString().split("\\.")[0]);
}
/** TigerGraph will add time automatically (YYYY-MM-DD --> YYYY-MM-DD 00:00:00) */
@Override
public void setDate(int parameterIndex, Date val) throws SQLException {
// Default value of Datetime in TG is "1970-01-01 00:00:00"
if (val == null) {
val = new Date(0);
}
setString(parameterIndex, val.toString());
}
/**
* Insert the attributes of the LIST/SET type.
*
* Use public Array createArrayOf(String typeName, Object[] elements) to create an
* Array.
*/
@Override
public void setArray(int parameterIndex, Array val) throws SQLException {
// Default value of Array in TG is []
if (val == null) {
val = new RestppArray("ANY", new Object[] {});
}
this.insertParameter(parameterIndex, val);
}
@Override
public void setObject(int parameterIndex, Object val) throws SQLException {
this.insertParameter(parameterIndex, val);
}
@Override
public void clearParameters() throws SQLException {
this.parameters.clear();
}
/*
* Abstract Methods.
*/
@Override
public abstract boolean execute() throws SQLException;
@Override
public abstract ResultSet executeQuery() throws SQLException;
@Override
public abstract int executeUpdate() throws SQLException;
@Override
public abstract ResultSetMetaData getMetaData() throws SQLException;
@Override
public abstract ParameterMetaData getParameterMetaData() throws SQLException;
/*
* Methods not implemented yet.
*/
@Override
public void setUnicodeStream(int parameterIndex, InputStream val, int length)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public boolean execute(String sql, int autoGeneratedKeys) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public boolean execute(String sql) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public boolean execute(String sql, int[] columnIndexes) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public boolean execute(String sql, String[] columnNames) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public ResultSet executeQuery(String sql) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public int executeUpdate(String sql) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public int executeUpdate(String sql, int[] columnIndexes) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public int executeUpdate(String sql, String[] columnNames) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setByte(int parameterIndex, byte val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setTime(int parameterIndex, Time val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setAsciiStream(int parameterIndex, InputStream val, int length) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setBinaryStream(int parameterIndex, InputStream val, int length) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setObject(int parameterIndex, Object val, int targetSqlType) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, int length)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setRef(int parameterIndex, Ref val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setBlob(int parameterIndex, Blob val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setClob(int parameterIndex, Clob val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setDate(int parameterIndex, Date val, Calendar cal) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setTime(int parameterIndex, Time val, Calendar cal) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setTimestamp(int parameterIndex, Timestamp val, Calendar cal) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setURL(int parameterIndex, URL val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setRowId(int parameterIndex, RowId val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setNString(int parameterIndex, String value) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value, long length)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setNClob(int parameterIndex, NClob value) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream, long length)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setObject(int parameterIndex, Object val, int targetSqlType, int scaleOrLength)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setAsciiStream(int parameterIndex, InputStream val, long length) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setBinaryStream(int parameterIndex, InputStream val, long length)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, long length)
throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setAsciiStream(int parameterIndex, InputStream val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setBinaryStream(int parameterIndex, InputStream val) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setClob(int parameterIndex, Reader reader) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void setNClob(int parameterIndex, Reader reader) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void addBatch() throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public void addBatch(String sql) throws SQLException {
throw new UnsupportedOperationException("Not implemented yet.");
}
}