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net.snowflake.client.jdbc.SnowflakePreparedStatementV1 Maven / Gradle / Ivy
/*
* Copyright (c) 2012-2018 Snowflake Computing Inc. All rights reserved.
*/
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package net.snowflake.client.jdbc;
import net.snowflake.client.core.ParameterBindingDTO;
import net.snowflake.client.core.ResultUtil;
import net.snowflake.client.core.SFException;
import net.snowflake.client.core.SFStatementMetaData;
import net.snowflake.common.core.SFBinary;
import net.snowflake.common.core.SqlState;
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.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.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.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TimeZone;
import net.snowflake.client.log.SFLogger;
import net.snowflake.client.log.SFLoggerFactory;
import net.snowflake.common.util.TimeUtil;
/**
*
* @author jhuang
*/
final class SnowflakePreparedStatementV1 extends SnowflakeStatementV1
implements PreparedStatement
{
static final SFLogger logger = SFLoggerFactory.getLogger(
SnowflakePreparedStatementV1.class);
private final String sql;
/** statement and result metadata from describe phase */
private SFStatementMetaData statementMetaData;
/**
* map of bind name to bind values for single query execution
*
* Currently, bind name is just value index
*/
private Map parameterBindings = new HashMap<>();
/**
* map of bind values for batch query executions
*
*/
private Map batchParameterBindings =
new HashMap<>();
/**
* Counter for batch size if we are executing a statement with array bind
* supported
*/
private int batchSize = 0;
/** Error code returned when describing a statement that is binding table name*/
private final Integer ERROR_CODE_TABLE_BIND_VARIABLE_NOT_SET = 2128;
/** Error code when preparing statement with binding object names */
private final Integer ERROR_CODE_OBJECT_BIND_NOT_SET = 2129;
/** Error code returned when describing a ddl command */
private final Integer ERROR_CODE_STATEMENT_CANNOT_BE_PREPARED = 7;
/**
* A hash set that contains the error code that will not lead to exception
* in describe mode
*/
private final Set errorCodesIgnoredInDescribeMode
= new HashSet<>(Arrays.asList(new Integer[]
{ERROR_CODE_TABLE_BIND_VARIABLE_NOT_SET,
ERROR_CODE_STATEMENT_CANNOT_BE_PREPARED,
ERROR_CODE_OBJECT_BIND_NOT_SET}));
SnowflakePreparedStatementV1(SnowflakeConnectionV1 connection,
String sql) throws SQLException
{
super(connection);
this.sql = sql;
try
{
this.statementMetaData = sfStatement.describe(sql);
}
catch(SFException e)
{
throw new SnowflakeSQLException(e);
}
catch(SnowflakeSQLException e)
{
if (!errorCodesIgnoredInDescribeMode.contains(e.getErrorCode()))
{
throw e;
}
else
{
statementMetaData = SFStatementMetaData.emptyMetaData();
}
}
}
@Override
public ResultSet executeQuery() throws SQLException
{
logger.debug("executeQuery() throws SQLException");
return executeQueryInternal(sql, parameterBindings);
}
@Override
public int executeUpdate() throws SQLException
{
logger.debug( "executeUpdate() throws SQLException");
return executeUpdateInternal(sql, parameterBindings);
}
@Override
public void setNull(int parameterIndex, int sqlType) throws SQLException
{
logger.debug(
"setNull(int parameterIndex, int sqlType) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(sqlType), null);
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setBoolean(int parameterIndex, boolean x) throws SQLException
{
logger.debug(
"setBoolean(int parameterIndex, boolean x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.BOOLEAN), String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setByte(int parameterIndex, byte x) throws SQLException
{
throw new UnsupportedOperationException(
"setByte(int parameterIndex, byte x) Not supported yet.");
}
@Override
public void setShort(int parameterIndex, short x) throws SQLException
{
logger.debug(
"setShort(int parameterIndex, short x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(SnowflakeUtil
.javaTypeToSFTypeString(Types.SMALLINT), String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setInt(int parameterIndex, int x) throws SQLException
{
logger.debug(
"setInt(int parameterIndex, int x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(SnowflakeUtil
.javaTypeToSFTypeString(Types.INTEGER), String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setLong(int parameterIndex, long x) throws SQLException
{
logger.debug(
"setLong(int parameterIndex, long x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.BIGINT), String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setFloat(int parameterIndex, float x) throws SQLException
{
logger.debug(
"setFloat(int parameterIndex, float x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.FLOAT), String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setDouble(int parameterIndex, double x) throws SQLException
{
logger.debug(
"setDouble(int parameterIndex, double x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.DOUBLE), String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException
{
logger.debug(
"setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException");
if (x == null)
{
setNull(parameterIndex, Types.DECIMAL);
}
else
{
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.DECIMAL), String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
}
@Override
public void setString(int parameterIndex, String x) throws SQLException
{
logger.debug(
"setString(int parameterIndex, String x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.VARCHAR), x);
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setBytes(int parameterIndex, byte[] x) throws SQLException
{
logger.debug(
"setBytes(int parameterIndex, byte[] x) throws SQLException");
ParameterBindingDTO binding = new ParameterBindingDTO(SnowflakeUtil
.javaTypeToSFTypeString(Types.BINARY), new SFBinary(x).toHex());
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setDate(int parameterIndex, Date x) throws SQLException
{
logger.debug(
"setDate(int parameterIndex, Date x) throws SQLException");
if (x == null)
{
setNull(parameterIndex, Types.DATE);
}
else
{
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.DATE),
String.valueOf(x.getTime() +
TimeZone.getDefault().getOffset(x.getTime())-
ResultUtil.msDiffJulianToGregorian(x)));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
}
@Override
public void setTime(int parameterIndex, Time x) throws SQLException
{
logger.debug(
"setTime(int parameterIndex, Time x) throws SQLException");
if (x == null)
{
setNull(parameterIndex, Types.TIME);
}
else
{
// Convert to nanoseconds since midnight using the input time mod 24 hours.
final long MS_IN_DAY = 86400 * 1000;
long msSinceEpoch = x.getTime();
// Use % + % instead of just % to get the nonnegative remainder.
// TODO(mkember): Change to use Math.floorMod when Client is on Java 8.
long msSinceMidnight = (msSinceEpoch % MS_IN_DAY + MS_IN_DAY) % MS_IN_DAY;
long nanosSinceMidnight = msSinceMidnight * 1000 * 1000;
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.TIME),
String.valueOf(nanosSinceMidnight));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException
{
logger.debug(
"setTimestamp(int parameterIndex, Timestamp x) throws SQLException");
// convert the timestamp from being in local time zone to be in UTC timezone
String value = x == null ? null :
String.valueOf(
BigDecimal.valueOf((x.getTime() - ResultUtil.msDiffJulianToGregorian(x))/1000).
scaleByPowerOfTen(9).add(BigDecimal.valueOf(x.getNanos())));
SnowflakeType sfType = SnowflakeUtil.javaTypeToSFType(Types.TIMESTAMP);
if (sfType == SnowflakeType.TIMESTAMP)
{
sfType = connection.getSfSession().getTimestampMappedType();
}
ParameterBindingDTO binding = new ParameterBindingDTO(sfType.name(), value);
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, int length)
throws SQLException
{
throw new UnsupportedOperationException(
"setAsciiStream(int parameterIndex, InputStream x, int length) Not supported yet.");
}
@Override
@Deprecated
public void setUnicodeStream(int parameterIndex, InputStream x, int length)
throws SQLException
{
throw new UnsupportedOperationException(
"setUnicodeStream(int parameterIndex, InputStream x, int length) Not supported yet.");
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, int length)
throws SQLException
{
throw new UnsupportedOperationException(
"setBinaryStream(int parameterIndex, InputStream x, int length) Not supported yet.");
}
@Override
public void clearParameters() throws SQLException
{
parameterBindings.clear();
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException
{
logger.debug(
"setObject(int parameterIndex, Object x, int targetSqlType)");
if (x == null)
setNull(parameterIndex, targetSqlType);
else if (targetSqlType == Types.DATE)
setDate(parameterIndex, (Date)x);
else if (targetSqlType == Types.TIME)
setTime(parameterIndex, (Time)x);
else if (targetSqlType == Types.TIMESTAMP)
setTimestamp(parameterIndex, (Timestamp)x);
else
{
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(targetSqlType),
String.valueOf(x));
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
}
@Override
public void setObject(int parameterIndex, Object x) throws SQLException
{
if (x == null)
setNull(parameterIndex, Types.NULL);
else if (x instanceof String)
setString(parameterIndex, (String) x);
else if (x instanceof BigDecimal)
setBigDecimal(parameterIndex, (BigDecimal) x);
else if (x instanceof Short)
setShort(parameterIndex, ((Short) x).shortValue());
else if (x instanceof Integer)
setInt(parameterIndex, ((Integer) x).intValue());
else if (x instanceof Long)
setLong(parameterIndex, ((Long) x).longValue());
else if (x instanceof Float)
setFloat(parameterIndex, ((Float) x).floatValue());
else if (x instanceof Double)
setDouble(parameterIndex, ((Double) x).doubleValue());
else if (x instanceof Date)
setDate(parameterIndex, (Date)x);
else if (x instanceof Time)
setTime(parameterIndex, (Time)x);
else if (x instanceof Timestamp)
setTimestamp(parameterIndex, (Timestamp)x);
else
{
throw new SnowflakeSQLException(SqlState.FEATURE_NOT_SUPPORTED,
ErrorCode.DATA_TYPE_NOT_SUPPORTED
.getMessageCode(),
"Object type: " + x.getClass());
}
}
@Override
public boolean execute() throws SQLException
{
logger.debug( "execute: {}", sql);
return executeInternal(sql, parameterBindings);
}
@Override
public void addBatch() throws SQLException
{
logger.debug( "addBatch() throws SQLException");
if (isClosed())
{
throw new SnowflakeSQLException(ErrorCode.STATEMENT_CLOSED);
}
if (statementMetaData.isArrayBindSupported())
{
for(Map.Entry binding :
parameterBindings.entrySet())
{
// get the entry for the bind variable in the batch binding map
ParameterBindingDTO bindingValueAndType =
batchParameterBindings.get(binding.getKey());
List values;
// create binding value and type for the first time
if (bindingValueAndType == null)
{
// create the value list
values = new ArrayList();
bindingValueAndType = new ParameterBindingDTO(
binding.getValue().getType(), values);
// put the new map into the batch
batchParameterBindings.put(binding.getKey(),
bindingValueAndType);
}
else
{
// make sure type matches except for null values
String prevType = bindingValueAndType.getType();
String newType = binding.getValue().getType();
// if previous type is null, replace it with new type
if (SnowflakeType.ANY.name().equalsIgnoreCase(prevType) &&
!SnowflakeType.ANY.name().equalsIgnoreCase(newType))
{
bindingValueAndType.setType(newType);
}
else if (binding.getValue().getValue() != null &&
!prevType.equalsIgnoreCase(newType))
{
throw new SnowflakeSQLException(SqlState.FEATURE_NOT_SUPPORTED,
ErrorCode.ARRAY_BIND_MIXED_TYPES_NOT_SUPPORTED.getMessageCode(),
SnowflakeType.getJavaType(SnowflakeType.fromString(prevType)).name(),
SnowflakeType.getJavaType(SnowflakeType.fromString(newType)).name());
}
// found the existing map so just get the value list
values = (List) bindingValueAndType.getValue();
}
// add the value to the list of values in batch binding map
values.add((String)binding.getValue().getValue());
}
batchSize++;
}
else
{
batch.add(new BatchEntry(this.sql, parameterBindings));
parameterBindings = new HashMap<>();
}
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, int length)
throws SQLException
{
throw new UnsupportedOperationException(
"setCharacterStream(int parameterIndex, Reader reader, int length) Not supported yet.");
}
@Override
public void setRef(int parameterIndex, Ref x) throws SQLException
{
throw new UnsupportedOperationException(
"setRef(int parameterIndex, Ref x) Not supported yet.");
}
@Override
public void setBlob(int parameterIndex, Blob x) throws SQLException
{
throw new UnsupportedOperationException(
"setBlob(int parameterIndex, Blob x) Not supported yet.");
}
@Override
public void setClob(int parameterIndex, Clob x) throws SQLException
{
throw new UnsupportedOperationException(
"setClob(int parameterIndex, Clob x) Not supported yet.");
}
@Override
public void setArray(int parameterIndex, Array x) throws SQLException
{
throw new UnsupportedOperationException(
"setArray(int parameterIndex, Array x) Not supported yet.");
}
@Override
public ResultSetMetaData getMetaData() throws SQLException
{
logger.debug( "getMetaData() throws SQLException");
return new SnowflakeResultSetMetaDataV1(
this.statementMetaData.getResultSetMetaData());
}
@Override
public void setDate(int parameterIndex, Date x, Calendar cal)
throws SQLException
{
logger.debug( "setDate(int parameterIndex, Date x, Calendar cal)");
if (x == null)
{
setNull(parameterIndex, Types.DATE);
}
else
{
// convert the date from to be in local time zone to be in UTC
String value = String.valueOf(x.getTime() +
cal.getTimeZone().getOffset(x.getTime()));
ParameterBindingDTO binding = new ParameterBindingDTO(
SnowflakeUtil.javaTypeToSFTypeString(Types.DATE), value);
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
}
@Override
public void setTime(int parameterIndex, Time x, Calendar cal)
throws SQLException
{
logger.debug( "setTime(int parameterIndex, Time x, Calendar cal)");
setTime(parameterIndex, x);
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal)
throws SQLException
{
logger.debug( "setTimestamp(int parameterIndex, Timestamp x, Calendar cal)");
// convert the time from being in UTC to be in local time zone
String value = null;
if (x != null)
{
long milliSecSinceEpoch = x.getTime();
milliSecSinceEpoch = milliSecSinceEpoch +
cal.getTimeZone().getOffset(milliSecSinceEpoch);
value = String.valueOf(
BigDecimal.valueOf(milliSecSinceEpoch / 1000).
scaleByPowerOfTen(9).add(BigDecimal.valueOf(x.getNanos())));
}
SnowflakeType sfType = SnowflakeUtil.javaTypeToSFType(Types.TIMESTAMP);
if (sfType == SnowflakeType.TIMESTAMP)
{
sfType = connection.getSfSession().getTimestampMappedType();
}
ParameterBindingDTO binding = new ParameterBindingDTO(sfType.name(), value);
parameterBindings.put(String.valueOf(parameterIndex), binding);
}
@Override
public void setNull(int parameterIndex, int sqlType, String typeName)
throws SQLException
{
logger.debug( "setNull(int parameterIndex, int sqlType, String typeName)");
setNull(parameterIndex, sqlType);
}
@Override
public void setURL(int parameterIndex, URL x) throws SQLException
{
throw new UnsupportedOperationException(
"setURL(int parameterIndex, URL x) Not supported yet.");
}
@Override
public ParameterMetaData getParameterMetaData() throws SQLException
{
throw new UnsupportedOperationException(
"getParameterMetaData() Not supported yet.");
}
@Override
public void setRowId(int parameterIndex, RowId x) throws SQLException
{
throw new UnsupportedOperationException(
"setRowId(int parameterIndex, RowId x) Not supported yet.");
}
@Override
public void setNString(int parameterIndex, String value) throws SQLException
{
throw new UnsupportedOperationException(
"setNString(int parameterIndex, String value) Not supported yet.");
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value, long length)
throws SQLException
{
throw new UnsupportedOperationException(
"setNCharacterStream(int parameterIndex, Reader value, long length) Not supported yet.");
}
@Override
public void setNClob(int parameterIndex, NClob value) throws SQLException
{
throw new UnsupportedOperationException(
"setNClob(int parameterIndex, NClob value) Not supported yet.");
}
@Override
public void setClob(int parameterIndex, Reader reader, long length)
throws SQLException
{
throw new UnsupportedOperationException(
"setClob(int parameterIndex, Reader reader, long length) Not supported yet.");
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream, long length)
throws SQLException
{
throw new UnsupportedOperationException(
"setBlob(int parameterIndex, InputStream inputStream, long length) Not supported yet.");
}
@Override
public void setNClob(int parameterIndex, Reader reader, long length)
throws SQLException
{
throw new UnsupportedOperationException(
"setNClob(int parameterIndex, Reader reader, long length) Not supported yet.");
}
@Override
public void setSQLXML(int parameterIndex, SQLXML xmlObject)
throws SQLException
{
throw new UnsupportedOperationException(
"setSQLXML(int parameterIndex, SQLXML xmlObject) Not supported yet.");
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType,
int scaleOrLength) throws SQLException
{
logger.debug(
"setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength)");
if (x == null)
{
setNull(parameterIndex, targetSqlType);
}
else if (targetSqlType == Types.DECIMAL ||
targetSqlType == Types.NUMERIC)
{
BigDecimal decimalObj = new BigDecimal(String.valueOf(x));
decimalObj.setScale(scaleOrLength);
setBigDecimal(parameterIndex, decimalObj);
}
else
{
setObject(parameterIndex, x, targetSqlType);
}
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, long length)
throws SQLException
{
throw new UnsupportedOperationException(
"setAsciiStream(int parameterIndex, InputStream x, long length) Not supported yet.");
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, long length)
throws SQLException
{
throw new UnsupportedOperationException(
"setBinaryStream(int parameterIndex, InputStream x, long length) Not supported yet.");
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, long length)
throws SQLException
{
throw new UnsupportedOperationException(
"setCharacterStream(int parameterIndex, Reader reader, long length) Not supported yet.");
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x)
throws SQLException
{
throw new UnsupportedOperationException(
"setAsciiStream(int parameterIndex, InputStream x) Not supported yet.");
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x)
throws SQLException
{
throw new UnsupportedOperationException(
"setBinaryStream(int parameterIndex, InputStream x) Not supported yet.");
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader)
throws SQLException
{
throw new UnsupportedOperationException(
"setCharacterStream(int parameterIndex, Reader reader) Not supported yet.");
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value)
throws SQLException
{
throw new UnsupportedOperationException(
"setNCharacterStream(int parameterIndex, Reader value) Not supported yet.");
}
@Override
public void setClob(int parameterIndex, Reader reader) throws SQLException
{
throw new UnsupportedOperationException(
"setClob(int parameterIndex, Reader reader) Not supported yet.");
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream)
throws SQLException
{
throw new UnsupportedOperationException(
"setBlob(int parameterIndex, InputStream inputStream) Not supported yet.");
}
@Override
public void setNClob(int parameterIndex, Reader reader) throws SQLException
{
throw new UnsupportedOperationException(
"setNClob(int parameterIndex, Reader reader) Not supported yet.");
}
@Override
public ResultSet executeQuery(String sql) throws SQLException
{
logger.debug( "executeQuery(String sql) throws SQLException");
throw new SnowflakeSQLException(ErrorCode.
UNSUPPORTED_STATEMENT_TYPE_IN_EXECUTION_API,
sql.length() > 20 ? sql.substring(0, 20) + "..." : sql);
}
@Override
public int executeUpdate(String sql) throws SQLException
{
logger.debug( "executeUpdate(String sql) throws SQLException");
throw new SnowflakeSQLException(ErrorCode.
UNSUPPORTED_STATEMENT_TYPE_IN_EXECUTION_API,
sql.length() > 20 ? sql.substring(0, 20) + "..." : sql);
}
@Override
public boolean execute(String sql) throws SQLException
{
logger.debug( "execute(String sql) throws SQLException");
throw new SnowflakeSQLException(ErrorCode.
UNSUPPORTED_STATEMENT_TYPE_IN_EXECUTION_API,
sql.length() > 20 ? sql.substring(0, 20) + "..." : sql);
}
@Override
public void addBatch(String sql) throws SQLException
{
throw new SnowflakeSQLException(ErrorCode.
UNSUPPORTED_STATEMENT_TYPE_IN_EXECUTION_API,
sql.length() > 20 ? sql.substring(0, 20) + "..." : sql);
}
@Override
public void clearBatch() throws SQLException
{
super.clearBatch();
batchParameterBindings.clear();
batchSize = 0;
}
@Override
public int[] executeBatch() throws SQLException
{
logger.debug( "executeBatch() throws SQLException");
if (this.statementMetaData.getStatementType().isGenerateResultSet())
{
throw new SnowflakeSQLException(ErrorCode.
UNSUPPORTED_STATEMENT_TYPE_IN_EXECUTION_API,
sql.length() > 20 ? sql.substring(0, 20) + "..." : sql);
}
int[] updateCounts = null;
try
{
if (this.statementMetaData.isArrayBindSupported())
{
int updateCount = executeUpdateInternal(
this.sql, batchParameterBindings);
// when update count is the same as the number of bindings in the batch,
// expand the update count into an array (SNOW-14034)
if (updateCount == batchSize)
{
updateCounts = new int[updateCount];
for (int idx = 0; idx < updateCount; idx++)
updateCounts[idx] = 1;
}
else
{
updateCounts = new int[]{updateCount};
}
}
else
{
updateCounts = executeBatchInternal();
}
}
finally
{
this.clearBatch();
}
return updateCounts;
}
@Override
public int executeUpdate(String sql, int autoGeneratedKeys)
throws SQLException
{
throw new UnsupportedOperationException(
"executeUpdate(String sql, int autoGeneratedKeys) Not supported yet.");
}
@Override
public int executeUpdate(String sql, int[] columnIndexes) throws SQLException
{
throw new UnsupportedOperationException(
"executeUpdate(String sql, int[] columnIndexes) Not supported yet.");
}
@Override
public int executeUpdate(String sql, String[] columnNames) throws SQLException
{
throw new UnsupportedOperationException(
"executeUpdate(String sql, String[] columnNames) Not supported yet.");
}
@Override
public boolean execute(String sql, int autoGeneratedKeys) throws SQLException
{
throw new UnsupportedOperationException(
"execute(String sql, int autoGeneratedKeys) Not supported yet.");
}
@Override
public boolean execute(String sql, int[] columnIndexes) throws SQLException
{
throw new UnsupportedOperationException(
"execute(String sql, int[] columnIndexes) Not supported yet.");
}
@Override
public boolean execute(String sql, String[] columnNames) throws SQLException
{
throw new UnsupportedOperationException(
"execute(String sql, String[] columnNames) Not supported yet.");
}
}
