| 1 | /* ============================================================= |
| 2 | * SmallSQL : a free Java DBMS library for the Java(tm) platform |
| 3 | * ============================================================= |
| 4 | * |
| 5 | * (C) Copyright 2004-2006, by Volker Berlin. |
| 6 | * |
| 7 | * Project Info: http://www.smallsql.de/ |
| 8 | * |
| 9 | * This library is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU Lesser General Public License as published by |
| 11 | * the Free Software Foundation; either version 2.1 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This library is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 16 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 17 | * License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public |
| 20 | * License along with this library; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 22 | * USA. |
| 23 | * |
| 24 | * [Java is a trademark or registered trademark of Sun Microsystems, Inc. |
| 25 | * in the United States and other countries.] |
| 26 | * |
| 27 | * --------------- |
| 28 | * SSResultSet.java |
| 29 | * --------------- |
| 30 | * Author: Volker Berlin |
| 31 | * |
| 32 | */ |
| 33 | package smallsql.database; |
| 34 | |
| 35 | import java.sql.*; |
| 36 | import java.math.*; |
| 37 | import java.io.InputStream; |
| 38 | import java.io.Reader; |
| 39 | import java.util.Map; |
| 40 | import java.util.Calendar; |
| 41 | import java.net.URL; |
| 42 | |
| 43 | |
| 44 | public class SSResultSet implements ResultSet { |
| 45 | |
| 46 | SSResultSetMetaData metaData = new SSResultSetMetaData(); |
| 47 | private CommandSelect cmd; |
| 48 | private boolean wasNull; |
| 49 | SSStatement st; |
| 50 | private boolean isUpdatable; |
| 51 | private boolean isInsertRow; |
| 52 | private ExpressionValue[] values; |
| 53 | private int fetchDirection; |
| 54 | private int fetchSize; |
| 55 | |
| 56 | SSResultSet( SSStatement st, CommandSelect cmd ){ |
| 57 | this.st = st; |
| 58 | metaData.columns = cmd.columnExpressions; |
| 59 | this.cmd = cmd; |
| 60 | isUpdatable = st != null && st.rsConcurrency == CONCUR_UPDATABLE && !cmd.isGroupResult(); |
| 61 | } |
| 62 | |
| 63 | /*============================================================================== |
| 64 | |
| 65 | Public Interface |
| 66 | |
| 67 | ==============================================================================*/ |
| 68 | |
| 69 | public void close() throws SQLException { |
| 70 | st.con.log.println("ResultSet.close"); |
| 71 | cmd = null; |
| 72 | } |
| 73 | public boolean wasNull() throws SQLException { |
| 74 | return wasNull; |
| 75 | } |
| 76 | public String getString(int columnIndex) throws SQLException { |
| 77 | try{ |
| 78 | String obj = getValue(columnIndex).getString(); |
| 79 | wasNull = obj == null; |
| 80 | return obj; |
| 81 | }catch(Exception e){ |
| 82 | throw Utils.createSQLException( e ); |
| 83 | } |
| 84 | } |
| 85 | public boolean getBoolean(int columnIndex) throws SQLException { |
| 86 | try{ |
| 87 | Expression expr = getValue(columnIndex); |
| 88 | wasNull = expr.isNull(); |
| 89 | return expr.getBoolean(); |
| 90 | }catch(Exception e){ |
| 91 | throw Utils.createSQLException( e ); |
| 92 | } |
| 93 | } |
| 94 | public byte getByte(int columnIndex) throws SQLException { |
| 95 | return (byte)getInt( columnIndex ); |
| 96 | } |
| 97 | public short getShort(int columnIndex) throws SQLException { |
| 98 | return (short)getInt( columnIndex ); |
| 99 | } |
| 100 | public int getInt(int columnIndex) throws SQLException { |
| 101 | try{ |
| 102 | Expression expr = getValue(columnIndex); |
| 103 | wasNull = expr.isNull(); |
| 104 | return expr.getInt(); |
| 105 | }catch(Exception e){ |
| 106 | throw Utils.createSQLException( e ); |
| 107 | } |
| 108 | } |
| 109 | public long getLong(int columnIndex) throws SQLException { |
| 110 | try{ |
| 111 | Expression expr = getValue(columnIndex); |
| 112 | wasNull = expr.isNull(); |
| 113 | return expr.getLong(); |
| 114 | }catch(Exception e){ |
| 115 | throw Utils.createSQLException( e ); |
| 116 | } |
| 117 | } |
| 118 | public float getFloat(int columnIndex) throws SQLException { |
| 119 | try{ |
| 120 | Expression expr = getValue(columnIndex); |
| 121 | wasNull = expr.isNull(); |
| 122 | return expr.getFloat(); |
| 123 | }catch(Exception e){ |
| 124 | throw Utils.createSQLException( e ); |
| 125 | } |
| 126 | } |
| 127 | public double getDouble(int columnIndex) throws SQLException { |
| 128 | try{ |
| 129 | Expression expr = getValue(columnIndex); |
| 130 | wasNull = expr.isNull(); |
| 131 | return expr.getDouble(); |
| 132 | }catch(Exception e){ |
| 133 | throw Utils.createSQLException( e ); |
| 134 | } |
| 135 | } |
| 136 | public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException { |
| 137 | try{ |
| 138 | MutableNumeric obj = getValue(columnIndex).getNumeric(); |
| 139 | if(wasNull = obj == null) return null; |
| 140 | return obj.toBigDecimal(scale); |
| 141 | }catch(Exception e){ |
| 142 | throw Utils.createSQLException( e ); |
| 143 | } |
| 144 | } |
| 145 | public byte[] getBytes(int columnIndex) throws SQLException { |
| 146 | try{ |
| 147 | byte[] obj = getValue(columnIndex).getBytes(); |
| 148 | wasNull = obj == null; |
| 149 | return obj; |
| 150 | }catch(Exception e){ |
| 151 | throw Utils.createSQLException( e ); |
| 152 | } |
| 153 | } |
| 154 | public Date getDate(int columnIndex) throws SQLException { |
| 155 | try{ |
| 156 | Expression expr = getValue(columnIndex); |
| 157 | if(wasNull = expr.isNull()) return null; |
| 158 | return DateTime.getDate( expr.getLong() ); |
| 159 | }catch(Exception e){ |
| 160 | throw Utils.createSQLException( e ); |
| 161 | } |
| 162 | } |
| 163 | public Time getTime(int columnIndex) throws SQLException { |
| 164 | try{ |
| 165 | Expression expr = getValue(columnIndex); |
| 166 | if(wasNull = expr.isNull()) return null; |
| 167 | return DateTime.getTime( expr.getLong() ); |
| 168 | }catch(Exception e){ |
| 169 | throw Utils.createSQLException( e ); |
| 170 | } |
| 171 | } |
| 172 | public Timestamp getTimestamp(int columnIndex) throws SQLException { |
| 173 | try{ |
| 174 | Expression expr = getValue(columnIndex); |
| 175 | if(wasNull = expr.isNull()) return null; |
| 176 | return DateTime.getTimestamp( expr.getLong() ); |
| 177 | }catch(Exception e){ |
| 178 | throw Utils.createSQLException( e ); |
| 179 | } |
| 180 | } |
| 181 | public InputStream getAsciiStream(int columnIndex) throws SQLException { |
| 182 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 183 | throw new java.lang.UnsupportedOperationException("Method getAsciiStream() not yet implemented."); |
| 184 | } |
| 185 | public InputStream getUnicodeStream(int columnIndex) throws SQLException { |
| 186 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 187 | throw new java.lang.UnsupportedOperationException("Method getUnicodeStream() not yet implemented."); |
| 188 | } |
| 189 | public InputStream getBinaryStream(int columnIndex) throws SQLException { |
| 190 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 191 | throw new java.lang.UnsupportedOperationException("Method getBinaryStream() not yet implemented."); |
| 192 | } |
| 193 | public String getString(String columnName) throws SQLException { |
| 194 | return getString( findColumn( columnName ) ); |
| 195 | } |
| 196 | public boolean getBoolean(String columnName) throws SQLException { |
| 197 | return getBoolean( findColumn( columnName ) ); |
| 198 | } |
| 199 | public byte getByte(String columnName) throws SQLException { |
| 200 | return getByte( findColumn( columnName ) ); |
| 201 | } |
| 202 | public short getShort(String columnName) throws SQLException { |
| 203 | return getShort( findColumn( columnName ) ); |
| 204 | } |
| 205 | public int getInt(String columnName) throws SQLException { |
| 206 | return getInt( findColumn( columnName ) ); |
| 207 | } |
| 208 | public long getLong(String columnName) throws SQLException { |
| 209 | return getLong( findColumn( columnName ) ); |
| 210 | } |
| 211 | public float getFloat(String columnName) throws SQLException { |
| 212 | return getFloat( findColumn( columnName ) ); |
| 213 | } |
| 214 | public double getDouble(String columnName) throws SQLException { |
| 215 | return getDouble( findColumn( columnName ) ); |
| 216 | } |
| 217 | public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException { |
| 218 | return getBigDecimal( findColumn( columnName ), scale ); |
| 219 | } |
| 220 | public byte[] getBytes(String columnName) throws SQLException { |
| 221 | return getBytes( findColumn( columnName ) ); |
| 222 | } |
| 223 | public Date getDate(String columnName) throws SQLException { |
| 224 | return getDate( findColumn( columnName ) ); |
| 225 | } |
| 226 | public Time getTime(String columnName) throws SQLException { |
| 227 | return getTime( findColumn( columnName ) ); |
| 228 | } |
| 229 | public Timestamp getTimestamp(String columnName) throws SQLException { |
| 230 | return getTimestamp( findColumn( columnName ) ); |
| 231 | } |
| 232 | public InputStream getAsciiStream(String columnName) throws SQLException { |
| 233 | return getAsciiStream( findColumn( columnName ) ); |
| 234 | } |
| 235 | public InputStream getUnicodeStream(String columnName) throws SQLException { |
| 236 | return getUnicodeStream( findColumn( columnName ) ); |
| 237 | } |
| 238 | public InputStream getBinaryStream(String columnName) throws SQLException { |
| 239 | return getBinaryStream( findColumn( columnName ) ); |
| 240 | } |
| 241 | public SQLWarning getWarnings() throws SQLException { |
| 242 | return null; |
| 243 | } |
| 244 | public void clearWarnings() throws SQLException { |
| 245 | } |
| 246 | public String getCursorName() throws SQLException { |
| 247 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 248 | throw new java.lang.UnsupportedOperationException("Method getCursorName() not yet implemented."); |
| 249 | } |
| 250 | public ResultSetMetaData getMetaData() throws SQLException { |
| 251 | return metaData; |
| 252 | } |
| 253 | public Object getObject(int columnIndex) throws SQLException { |
| 254 | try{ |
| 255 | Object obj = getValue(columnIndex).getApiObject(); |
| 256 | wasNull = obj == null; |
| 257 | return obj; |
| 258 | }catch(Exception e){ |
| 259 | throw Utils.createSQLException( e ); |
| 260 | } |
| 261 | } |
| 262 | public Object getObject(String columnName) throws SQLException { |
| 263 | return getObject( findColumn( columnName ) ); |
| 264 | } |
| 265 | |
| 266 | |
| 267 | public int findColumn(String columnName) throws SQLException { |
| 268 | return getCmd().findColumn(columnName) + 1; |
| 269 | } |
| 270 | |
| 271 | |
| 272 | public Reader getCharacterStream(int columnIndex) throws SQLException { |
| 273 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 274 | throw new java.lang.UnsupportedOperationException("Method getCharacterStream() not yet implemented."); |
| 275 | } |
| 276 | public Reader getCharacterStream(String columnName) throws SQLException { |
| 277 | return getCharacterStream( findColumn( columnName ) ); |
| 278 | } |
| 279 | public BigDecimal getBigDecimal(int columnIndex) throws SQLException { |
| 280 | try{ |
| 281 | MutableNumeric obj = getValue(columnIndex).getNumeric(); |
| 282 | if(wasNull = obj == null) return null; |
| 283 | return obj.toBigDecimal(); |
| 284 | }catch(Exception e){ |
| 285 | throw Utils.createSQLException( e ); |
| 286 | } |
| 287 | } |
| 288 | public BigDecimal getBigDecimal(String columnName) throws SQLException { |
| 289 | return getBigDecimal( findColumn( columnName ) ); |
| 290 | } |
| 291 | public boolean isBeforeFirst() throws SQLException { |
| 292 | return getCmd().isBeforeFirst(); |
| 293 | } |
| 294 | |
| 295 | |
| 296 | public boolean isAfterLast() throws SQLException { |
| 297 | try{ |
| 298 | return getCmd().isAfterLast(); |
| 299 | }catch(Exception e){ |
| 300 | throw Utils.createSQLException(e); |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | |
| 305 | public boolean isFirst() throws SQLException { |
| 306 | return getCmd().isFirst(); |
| 307 | } |
| 308 | |
| 309 | |
| 310 | public boolean isLast() throws SQLException { |
| 311 | try{ |
| 312 | return getCmd().isLast(); |
| 313 | }catch(Exception e){ |
| 314 | throw Utils.createSQLException(e); |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | |
| 319 | public void beforeFirst() throws SQLException { |
| 320 | try{ |
| 321 | moveToCurrentRow(); |
| 322 | getCmd().beforeFirst(); |
| 323 | }catch(Exception e){ |
| 324 | throw Utils.createSQLException(e); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | |
| 329 | public boolean first() throws SQLException { |
| 330 | try{ |
| 331 | if(st.rsType == ResultSet.TYPE_FORWARD_ONLY) throw Utils.createSQLException("ResultSet is forward only."); |
| 332 | moveToCurrentRow(); |
| 333 | return getCmd().first(); |
| 334 | }catch(Exception e){ |
| 335 | throw Utils.createSQLException(e); |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | |
| 340 | public boolean previous() throws SQLException { |
| 341 | try{ |
| 342 | moveToCurrentRow(); |
| 343 | return getCmd().previous(); |
| 344 | }catch(Exception e){ |
| 345 | throw Utils.createSQLException(e); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | |
| 350 | public boolean next() throws SQLException { |
| 351 | try{ |
| 352 | moveToCurrentRow(); |
| 353 | return getCmd().next(); |
| 354 | }catch(Exception e){ |
| 355 | throw Utils.createSQLException(e); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | |
| 360 | public boolean last() throws SQLException { |
| 361 | try{ |
| 362 | moveToCurrentRow(); |
| 363 | return getCmd().last(); |
| 364 | }catch(Exception e){ |
| 365 | throw Utils.createSQLException(e); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | |
| 370 | public void afterLast() throws SQLException { |
| 371 | try{ |
| 372 | if(st.rsType == ResultSet.TYPE_FORWARD_ONLY) throw Utils.createSQLException("ResultSet is forward only."); |
| 373 | moveToCurrentRow(); |
| 374 | getCmd().afterLast(); |
| 375 | }catch(Exception e){ |
| 376 | throw Utils.createSQLException(e); |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | |
| 381 | public boolean absolute(int row) throws SQLException { |
| 382 | try{ |
| 383 | moveToCurrentRow(); |
| 384 | return getCmd().absolute(row); |
| 385 | }catch(Exception e){ |
| 386 | throw Utils.createSQLException(e); |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | |
| 391 | public boolean relative(int rows) throws SQLException { |
| 392 | try{ |
| 393 | moveToCurrentRow(); |
| 394 | return getCmd().relative(rows); |
| 395 | }catch(Exception e){ |
| 396 | throw Utils.createSQLException(e); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | |
| 401 | public int getRow() throws SQLException { |
| 402 | try{ |
| 403 | return getCmd().getRow(); |
| 404 | }catch(Exception e){ |
| 405 | throw Utils.createSQLException(e); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | |
| 410 | public void setFetchDirection(int direction) throws SQLException { |
| 411 | fetchDirection = direction; |
| 412 | } |
| 413 | |
| 414 | |
| 415 | public int getFetchDirection() throws SQLException { |
| 416 | return fetchDirection; |
| 417 | } |
| 418 | |
| 419 | |
| 420 | public void setFetchSize(int rows) throws SQLException { |
| 421 | fetchSize = rows; |
| 422 | } |
| 423 | |
| 424 | |
| 425 | public int getFetchSize() throws SQLException { |
| 426 | return fetchSize; |
| 427 | } |
| 428 | |
| 429 | |
| 430 | public int getType() throws SQLException { |
| 431 | return getCmd().join.isScrollable() ? ResultSet.TYPE_SCROLL_SENSITIVE : ResultSet.TYPE_FORWARD_ONLY; |
| 432 | } |
| 433 | |
| 434 | |
| 435 | public int getConcurrency() throws SQLException { |
| 436 | return isUpdatable ? ResultSet.CONCUR_UPDATABLE : ResultSet.CONCUR_READ_ONLY; |
| 437 | } |
| 438 | |
| 439 | |
| 440 | public boolean rowUpdated() throws SQLException { |
| 441 | return false; |
| 442 | } |
| 443 | |
| 444 | |
| 445 | public boolean rowInserted() throws SQLException { |
| 446 | return getCmd().join.rowInserted(); |
| 447 | } |
| 448 | |
| 449 | |
| 450 | public boolean rowDeleted() throws SQLException { |
| 451 | return getCmd().join.rowDeleted(); |
| 452 | } |
| 453 | |
| 454 | |
| 455 | public void updateNull(int columnIndex) throws SQLException { |
| 456 | updateValue( columnIndex, null, SQLTokenizer.NULL); |
| 457 | } |
| 458 | public void updateBoolean(int columnIndex, boolean x) throws SQLException { |
| 459 | updateValue( columnIndex, x ? Boolean.TRUE : Boolean.FALSE, SQLTokenizer.BOOLEAN); |
| 460 | } |
| 461 | public void updateByte(int columnIndex, byte x) throws SQLException { |
| 462 | updateValue( columnIndex, Utils.getShort(x), SQLTokenizer.TINYINT); |
| 463 | } |
| 464 | public void updateShort(int columnIndex, short x) throws SQLException { |
| 465 | updateValue( columnIndex, Utils.getShort(x), SQLTokenizer.SMALLINT); |
| 466 | } |
| 467 | public void updateInt(int columnIndex, int x) throws SQLException { |
| 468 | updateValue( columnIndex, Utils.getInteger(x), SQLTokenizer.INT); |
| 469 | } |
| 470 | public void updateLong(int columnIndex, long x) throws SQLException { |
| 471 | updateValue( columnIndex, new Long(x), SQLTokenizer.BIGINT); |
| 472 | } |
| 473 | public void updateFloat(int columnIndex, float x) throws SQLException { |
| 474 | updateValue( columnIndex, new Float(x), SQLTokenizer.REAL); |
| 475 | } |
| 476 | public void updateDouble(int columnIndex, double x) throws SQLException { |
| 477 | updateValue( columnIndex, new Double(x), SQLTokenizer.DOUBLE); |
| 478 | } |
| 479 | public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException { |
| 480 | updateValue( columnIndex, x, SQLTokenizer.DECIMAL); |
| 481 | } |
| 482 | public void updateString(int columnIndex, String x) throws SQLException { |
| 483 | updateValue( columnIndex, x, SQLTokenizer.VARCHAR); |
| 484 | } |
| 485 | public void updateBytes(int columnIndex, byte[] x) throws SQLException { |
| 486 | updateValue( columnIndex, x, SQLTokenizer.VARBINARY); |
| 487 | } |
| 488 | public void updateDate(int columnIndex, Date x) throws SQLException { |
| 489 | updateValue( columnIndex, DateTime.valueOf(x), SQLTokenizer.DATE); |
| 490 | } |
| 491 | public void updateTime(int columnIndex, Time x) throws SQLException { |
| 492 | updateValue( columnIndex, DateTime.valueOf(x), SQLTokenizer.TIME); |
| 493 | } |
| 494 | public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException { |
| 495 | updateValue( columnIndex, DateTime.valueOf(x), SQLTokenizer.TIMESTAMP); |
| 496 | } |
| 497 | public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException { |
| 498 | updateValue( columnIndex, x, SQLTokenizer.LONGVARCHAR, length); |
| 499 | } |
| 500 | public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException { |
| 501 | updateValue( columnIndex, x, SQLTokenizer.LONGVARBINARY, length); |
| 502 | } |
| 503 | public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException { |
| 504 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 505 | throw new java.lang.UnsupportedOperationException("Method updateCharacterStream() not yet implemented."); |
| 506 | } |
| 507 | public void updateObject(int columnIndex, Object x, int scale) throws SQLException { |
| 508 | //TODO scale to consider |
| 509 | updateValue( columnIndex, x, -1); |
| 510 | } |
| 511 | public void updateObject(int columnIndex, Object x) throws SQLException { |
| 512 | updateValue( columnIndex, x, -1); |
| 513 | } |
| 514 | public void updateNull(String columnName) throws SQLException { |
| 515 | updateNull( findColumn( columnName ) ); |
| 516 | } |
| 517 | public void updateBoolean(String columnName, boolean x) throws SQLException { |
| 518 | updateBoolean( findColumn( columnName ), x ); |
| 519 | } |
| 520 | public void updateByte(String columnName, byte x) throws SQLException { |
| 521 | updateByte( findColumn( columnName ), x ); |
| 522 | } |
| 523 | public void updateShort(String columnName, short x) throws SQLException { |
| 524 | updateShort( findColumn( columnName ), x ); |
| 525 | } |
| 526 | public void updateInt(String columnName, int x) throws SQLException { |
| 527 | updateInt( findColumn( columnName ), x ); |
| 528 | } |
| 529 | public void updateLong(String columnName, long x) throws SQLException { |
| 530 | updateLong( findColumn( columnName ), x ); |
| 531 | } |
| 532 | public void updateFloat(String columnName, float x) throws SQLException { |
| 533 | updateFloat( findColumn( columnName ), x ); |
| 534 | } |
| 535 | public void updateDouble(String columnName, double x) throws SQLException { |
| 536 | updateDouble( findColumn( columnName ), x ); |
| 537 | } |
| 538 | public void updateBigDecimal(String columnName, BigDecimal x) throws SQLException { |
| 539 | updateBigDecimal( findColumn( columnName ), x ); |
| 540 | } |
| 541 | public void updateString(String columnName, String x) throws SQLException { |
| 542 | updateString( findColumn( columnName ), x ); |
| 543 | } |
| 544 | public void updateBytes(String columnName, byte[] x) throws SQLException { |
| 545 | updateBytes( findColumn( columnName ), x ); |
| 546 | } |
| 547 | public void updateDate(String columnName, Date x) throws SQLException { |
| 548 | updateDate( findColumn( columnName ), x ); |
| 549 | } |
| 550 | public void updateTime(String columnName, Time x) throws SQLException { |
| 551 | updateTime( findColumn( columnName ), x ); |
| 552 | } |
| 553 | public void updateTimestamp(String columnName, Timestamp x) throws SQLException { |
| 554 | updateTimestamp( findColumn( columnName ), x ); |
| 555 | } |
| 556 | public void updateAsciiStream(String columnName, InputStream x, int length) throws SQLException { |
| 557 | updateAsciiStream( findColumn( columnName ), x, length ); |
| 558 | } |
| 559 | public void updateBinaryStream(String columnName, InputStream x, int length) throws SQLException { |
| 560 | updateBinaryStream( findColumn( columnName ), x, length ); |
| 561 | } |
| 562 | public void updateCharacterStream(String columnName, Reader x, int length) throws SQLException { |
| 563 | updateCharacterStream( findColumn( columnName ), x, length ); |
| 564 | } |
| 565 | public void updateObject(String columnName, Object x, int scale) throws SQLException { |
| 566 | updateObject( findColumn( columnName ), x, scale ); |
| 567 | } |
| 568 | public void updateObject(String columnName, Object x) throws SQLException { |
| 569 | updateObject( findColumn( columnName ), x ); |
| 570 | } |
| 571 | public void insertRow() throws SQLException { |
| 572 | st.con.log.println("insertRow()"); |
| 573 | getCmd().insertRow( st.con, values); |
| 574 | cancelRowUpdates(); |
| 575 | } |
| 576 | |
| 577 | |
| 578 | public void updateRow() throws SQLException { |
| 579 | try { |
| 580 | if(values == null) return; |
| 581 | st.con.log.println("updateRow()"); |
| 582 | final CommandSelect command = getCmd(); |
| 583 | command.updateRow( st.con, values); |
| 584 | command.relative(0); //refresh the row |
| 585 | cancelRowUpdates(); |
| 586 | } catch (Exception e) { |
| 587 | throw Utils.createSQLException(e); |
| 588 | } |
| 589 | } |
| 590 | |
| 591 | |
| 592 | public void deleteRow() throws SQLException { |
| 593 | st.con.log.println("deleteRow()"); |
| 594 | getCmd().deleteRow(st.con); |
| 595 | cancelRowUpdates(); |
| 596 | } |
| 597 | public void refreshRow() throws SQLException { |
| 598 | relative(0); |
| 599 | } |
| 600 | |
| 601 | |
| 602 | public void cancelRowUpdates() { |
| 603 | if(values != null){ |
| 604 | for(int i=values.length-1; i>=0; i--){ |
| 605 | values[i].clear(); |
| 606 | } |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | |
| 611 | public void moveToInsertRow() throws SQLException { |
| 612 | if(isUpdatable){ |
| 613 | isInsertRow = true; |
| 614 | }else{ |
| 615 | throw Utils.createSQLException("ResultSet is read only."); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | |
| 620 | public void moveToCurrentRow(){ |
| 621 | isInsertRow = false; |
| 622 | cancelRowUpdates(); |
| 623 | } |
| 624 | |
| 625 | |
| 626 | public Statement getStatement() { |
| 627 | return st; |
| 628 | } |
| 629 | |
| 630 | |
| 631 | public Object getObject(int i, Map map) throws SQLException { |
| 632 | return getObject( i ); |
| 633 | } |
| 634 | public Ref getRef(int i) throws SQLException { |
| 635 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 636 | throw new java.lang.UnsupportedOperationException("Method getRef() not yet implemented."); |
| 637 | } |
| 638 | public Blob getBlob(int i) throws SQLException { |
| 639 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 640 | throw new java.lang.UnsupportedOperationException("Method getBlob() not yet implemented."); |
| 641 | } |
| 642 | public Clob getClob(int i) throws SQLException { |
| 643 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 644 | throw new java.lang.UnsupportedOperationException("Method getClob() not yet implemented."); |
| 645 | } |
| 646 | public Array getArray(int i) throws SQLException { |
| 647 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 648 | throw new java.lang.UnsupportedOperationException("Method getArray() not yet implemented."); |
| 649 | } |
| 650 | public Object getObject(String columnName, Map map) throws SQLException { |
| 651 | return getObject( columnName ); |
| 652 | } |
| 653 | public Ref getRef(String columnName) throws SQLException { |
| 654 | return getRef( findColumn( columnName ) ); |
| 655 | } |
| 656 | public Blob getBlob(String columnName) throws SQLException { |
| 657 | return getBlob( findColumn( columnName ) ); |
| 658 | } |
| 659 | public Clob getClob(String columnName) throws SQLException { |
| 660 | return getClob( findColumn( columnName ) ); |
| 661 | } |
| 662 | public Array getArray(String columnName) throws SQLException { |
| 663 | return getArray( findColumn( columnName ) ); |
| 664 | } |
| 665 | public Date getDate(int columnIndex, Calendar cal) throws SQLException { |
| 666 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 667 | throw new java.lang.UnsupportedOperationException("Method getDate() not yet implemented."); |
| 668 | } |
| 669 | public Date getDate(String columnName, Calendar cal) throws SQLException { |
| 670 | return getDate( findColumn( columnName ), cal ); |
| 671 | } |
| 672 | public Time getTime(int columnIndex, Calendar cal) throws SQLException { |
| 673 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 674 | throw new java.lang.UnsupportedOperationException("Method getTime() not yet implemented."); |
| 675 | } |
| 676 | public Time getTime(String columnName, Calendar cal) throws SQLException { |
| 677 | return getTime( findColumn( columnName ), cal ); |
| 678 | } |
| 679 | public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException { |
| 680 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 681 | throw new java.lang.UnsupportedOperationException("Method getTimestamp() not yet implemented."); |
| 682 | } |
| 683 | public Timestamp getTimestamp(String columnName, Calendar cal) throws SQLException { |
| 684 | return getTimestamp( findColumn( columnName ), cal ); |
| 685 | } |
| 686 | public URL getURL(int columnIndex) throws SQLException { |
| 687 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 688 | throw new java.lang.UnsupportedOperationException("Method getURL() not yet implemented."); |
| 689 | } |
| 690 | public URL getURL(String columnName) throws SQLException { |
| 691 | return getURL( findColumn( columnName ) ); |
| 692 | } |
| 693 | public void updateRef(int columnIndex, Ref x) throws SQLException { |
| 694 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 695 | throw new java.lang.UnsupportedOperationException("Method updateRef() not yet implemented."); |
| 696 | } |
| 697 | public void updateRef(String columnName, Ref x) throws SQLException { |
| 698 | updateRef( findColumn( columnName ), x ); |
| 699 | } |
| 700 | public void updateBlob(int columnIndex, Blob x) throws SQLException { |
| 701 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 702 | throw new java.lang.UnsupportedOperationException("Method updateBlob() not yet implemented."); |
| 703 | } |
| 704 | public void updateBlob(String columnName, Blob x) throws SQLException { |
| 705 | updateBlob( findColumn( columnName ), x ); |
| 706 | } |
| 707 | public void updateClob(int columnIndex, Clob x) throws SQLException { |
| 708 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 709 | throw new java.lang.UnsupportedOperationException("Method updateClob() not yet implemented."); |
| 710 | } |
| 711 | public void updateClob(String columnName, Clob x) throws SQLException { |
| 712 | updateClob( findColumn( columnName ), x ); |
| 713 | } |
| 714 | public void updateArray(int columnIndex, Array x) throws SQLException { |
| 715 | /**@todo: Implement this java.sql.ResultSet method*/ |
| 716 | throw new java.lang.UnsupportedOperationException("Method updateArray() not yet implemented."); |
| 717 | } |
| 718 | public void updateArray(String columnName, Array x) throws SQLException { |
| 719 | updateArray( findColumn( columnName ), x ); |
| 720 | } |
| 721 | |
| 722 | /*======================================================== |
| 723 | |
| 724 | private methods |
| 725 | |
| 726 | =========================================================*/ |
| 727 | |
| 728 | /** |
| 729 | * Get the expression of a column. |
| 730 | * This expression can be used to request a value of the current row. |
| 731 | */ |
| 732 | final private Expression getValue(int columnIndex) throws SQLException{ |
| 733 | if(values != null){ |
| 734 | ExpressionValue value = values[ metaData.getColumnIdx( columnIndex ) ]; |
| 735 | if(!value.isEmpty()) |
| 736 | return value; |
| 737 | } |
| 738 | return metaData.getColumnExpression(columnIndex); |
| 739 | } |
| 740 | |
| 741 | |
| 742 | final private ExpressionValue getUpdateValue(int columnIndex) throws SQLException{ |
| 743 | if(values == null){ |
| 744 | int count = metaData.getColumnCount(); |
| 745 | values = new ExpressionValue[count]; |
| 746 | while(count-- > 0){ |
| 747 | values[count] = new ExpressionValue(); |
| 748 | } |
| 749 | } |
| 750 | return values[ metaData.getColumnIdx( columnIndex ) ]; |
| 751 | } |
| 752 | |
| 753 | |
| 754 | final private void updateValue(int columnIndex, Object x, int dataType) throws SQLException{ |
| 755 | getUpdateValue( columnIndex ).set( x, dataType ); |
| 756 | if(st.con.log.isLogging()){ |
| 757 | |
| 758 | st.con.log.println("parameter '"+metaData.getColumnName(columnIndex)+"' = "+x+"; type="+dataType); |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | |
| 763 | final private void updateValue(int columnIndex, Object x, int dataType, int length) throws SQLException{ |
| 764 | getUpdateValue( columnIndex ).set( x, dataType, length ); |
| 765 | if(st.con.log.isLogging()){ |
| 766 | st.con.log.println("parameter '"+metaData.getColumnName(columnIndex)+"' = "+x+"; type="+dataType+"; length="+length); |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | |
| 771 | final private CommandSelect getCmd() throws SQLException { |
| 772 | if(cmd == null) throw Utils.createSQLException("ResultSet is closed."); |
| 773 | return cmd; |
| 774 | } |
| 775 | } |