Package com.alibaba.druid.sql.ast.expr

Examples of com.alibaba.druid.sql.ast.expr.SQLCaseExpr

218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
            case IF:
                sqlExpr = new SQLIdentifierExpr(lexer.stringVal());
                lexer.nextToken();
                break;
            case CASE:
                SQLCaseExpr caseExpr = new SQLCaseExpr();
                lexer.nextToken();
                if (lexer.token() != Token.WHEN) {
                    caseExpr.setValueExpr(expr());
                }

                accept(Token.WHEN);
                SQLExpr testExpr = expr();
                accept(Token.THEN);
                SQLExpr valueExpr = expr();
                SQLCaseExpr.Item caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                caseExpr.getItems().add(caseItem);

                while (lexer.token() == Token.WHEN) {
                    lexer.nextToken();
                    testExpr = expr();
                    accept(Token.THEN);
                    valueExpr = expr();
                    caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                    caseExpr.getItems().add(caseItem);
                }

                if (lexer.token() == Token.ELSE) {
                    lexer.nextToken();
                    caseExpr.setElseExpr(expr());
                }

                accept(Token.END);

                sqlExpr = caseExpr;
View Full Code Here
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
            case VARIANT:
                sqlExpr = new SQLVariantRefExpr(lexer.stringVal());
                lexer.nextToken();
                break;
            case CASE:
                SQLCaseExpr caseExpr = new SQLCaseExpr();
                lexer.nextToken();
                if (lexer.token() != Token.WHEN) {
                    caseExpr.setValueExpr(expr());
                }

                accept(Token.WHEN);
                SQLExpr testExpr = expr();
                accept(Token.THEN);
                SQLExpr valueExpr = expr();
                SQLCaseExpr.Item caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                caseExpr.getItems().add(caseItem);

                while (lexer.token() == Token.WHEN) {
                    lexer.nextToken();
                    testExpr = expr();
                    accept(Token.THEN);
                    valueExpr = expr();
                    caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                    caseExpr.getItems().add(caseItem);
                }

                if (lexer.token() == Token.ELSE) {
                    lexer.nextToken();
                    caseExpr.setElseExpr(expr());
                }

                accept(Token.END);

                sqlExpr = caseExpr;
View Full Code Here
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
        ) {
            return eval(dbType, x, Collections.emptyList());
        }

        if (visitor != null && (!visitor.getConfig().isCaseConditionAllow()) && x instanceof SQLCaseExpr) {
            SQLCaseExpr caseExpr = (SQLCaseExpr) x;

            boolean leftIsName = false;
            if (caseExpr.getParent() instanceof SQLBinaryOpExpr) {
                SQLExpr left = ((SQLBinaryOpExpr) caseExpr.getParent()).getLeft();
                if (left instanceof SQLName) {
                    leftIsName = true;
                }
            }

            if ((!leftIsName) && caseExpr.getItems().size() > 0) {
                SQLCaseExpr.Item item = caseExpr.getItems().get(0);
                Object conditionVal = getValue(visitor, item.getConditionExpr());
                Object itemVal = getValue(visitor, item.getValueExpr());
                if (conditionVal instanceof Boolean && itemVal != null) {
                    addViolation(visitor, ErrorCode.CONST_CASE_CONDITION, "const case condition", caseExpr);
                }
View Full Code Here
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
                return Integer.valueOf(1);
            }

            if (isSimpleCaseTableSource(visitor, ((SQLQueryExpr) x).getSubQuery())) {
                SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) ((SQLQueryExpr) x).getSubQuery().getQuery();
                SQLCaseExpr caseExpr = (SQLCaseExpr) queryBlock.getSelectList().get(0).getExpr();

                Object result = getValue(caseExpr);

                if (visitor != null && !visitor.getConfig().isCaseConditionConstAllow()) {
                    boolean leftIsName = false;
                    if (x.getParent() instanceof SQLBinaryOpExpr) {
                        SQLExpr left = ((SQLBinaryOpExpr) x.getParent()).getLeft();
                        if (left instanceof SQLName) {
                            leftIsName = true;
                        }
                    }

                    if (!leftIsName && result != null) {
                        addViolation(visitor, ErrorCode.CONST_CASE_CONDITION, "const case condition", caseExpr);
                    }
                }

                return result;
            }
        }

        String dbType = null;
        if (visitor != null) {
            dbType = visitor.getDbType();
        }

        if (x instanceof SQLMethodInvokeExpr //
            || x instanceof SQLBetweenExpr //
            || x instanceof SQLInListExpr //
            || x instanceof SQLUnaryExpr //
        ) {
            return eval(visitor, dbType, x, Collections.emptyList());
        }

        if (x instanceof SQLCaseExpr) {

            if (visitor != null && !visitor.getConfig().isCaseConditionConstAllow()) {
                SQLCaseExpr caseExpr = (SQLCaseExpr) x;

                boolean leftIsName = false;
                if (caseExpr.getParent() instanceof SQLBinaryOpExpr) {
                    SQLExpr left = ((SQLBinaryOpExpr) caseExpr.getParent()).getLeft();
                    if (left instanceof SQLName) {
                        leftIsName = true;
                    }
                }

                if (!leftIsName && caseExpr.getValueExpr() == null && caseExpr.getItems().size() > 0) {
                    SQLCaseExpr.Item item = caseExpr.getItems().get(0);
                    Object conditionVal = getValue(visitor, item.getConditionExpr());
                    Object itemVal = getValue(visitor, item.getValueExpr());
                    if (conditionVal instanceof Boolean && itemVal != null) {
                        addViolation(visitor, ErrorCode.CONST_CASE_CONDITION, "const case condition", caseExpr);
                    }
View Full Code Here
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
            case VIEW:
                sqlExpr = new SQLIdentifierExpr(lexer.stringVal());
                lexer.nextToken();
                break;
            case CASE:
                SQLCaseExpr caseExpr = new SQLCaseExpr();
                lexer.nextToken();
                if (lexer.token() != Token.WHEN) {
                    caseExpr.setValueExpr(expr());
                }

                accept(Token.WHEN);
                SQLExpr testExpr = expr();
                accept(Token.THEN);
                SQLExpr valueExpr = expr();
                SQLCaseExpr.Item caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                caseExpr.addItem(caseItem);

                while (lexer.token() == Token.WHEN) {
                    lexer.nextToken();
                    testExpr = expr();
                    accept(Token.THEN);
                    valueExpr = expr();
                    caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                    caseExpr.getItems().add(caseItem);
                }

                if (lexer.token() == Token.ELSE) {
                    lexer.nextToken();
                    caseExpr.setElseExpr(expr());
                }

                accept(Token.END);

                sqlExpr = caseExpr;
View Full Code Here
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
                return Integer.valueOf(1);
            }

            if (isSimpleCaseTableSource(visitor, ((SQLQueryExpr) x).getSubQuery())) {
                SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) ((SQLQueryExpr) x).getSubQuery().getQuery();
                SQLCaseExpr caseExpr = (SQLCaseExpr) queryBlock.getSelectList().get(0).getExpr();

                Object result = getValue(caseExpr);

                if (visitor != null && !visitor.getConfig().isCaseConditionAllow()) {
                    boolean leftIsName = false;
                    if (x.getParent() instanceof SQLBinaryOpExpr) {
                        SQLExpr left = ((SQLBinaryOpExpr) x.getParent()).getLeft();
                        if (left instanceof SQLName) {
                            leftIsName = true;
                        }
                    }

                    if (!leftIsName && result != null) {
                        addViolation(visitor, ErrorCode.CONST_CASE_CONDITION, "const case condition", caseExpr);
                    }
                }

                return result;
            }
        }

        String dbType = null;
        if (visitor != null) {
            dbType = visitor.getDbType();
        }

        if (x instanceof SQLMethodInvokeExpr //
            || x instanceof SQLBetweenExpr //
            || x instanceof SQLInListExpr //
            || x instanceof SQLUnaryExpr //
        ) {
            return eval(visitor, dbType, x, Collections.emptyList());
        }

        if (x instanceof SQLCaseExpr) {

            if (visitor != null && !visitor.getConfig().isCaseConditionAllow()) {
                SQLCaseExpr caseExpr = (SQLCaseExpr) x;

                boolean leftIsName = false;
                if (caseExpr.getParent() instanceof SQLBinaryOpExpr) {
                    SQLExpr left = ((SQLBinaryOpExpr) caseExpr.getParent()).getLeft();
                    if (left instanceof SQLName) {
                        leftIsName = true;
                    }
                }

                if (!leftIsName && caseExpr.getValueExpr() == null && caseExpr.getItems().size() > 0) {
                    SQLCaseExpr.Item item = caseExpr.getItems().get(0);
                    Object conditionVal = getValue(visitor, item.getConditionExpr());
                    Object itemVal = getValue(visitor, item.getValueExpr());
                    if (conditionVal instanceof Boolean && itemVal != null) {
                        addViolation(visitor, ErrorCode.CONST_CASE_CONDITION, "const case condition", caseExpr);
                    }
View Full Code Here
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
            case ADVISE:
                sqlExpr = new SQLIdentifierExpr(lexer.stringVal());
                lexer.nextToken();
                break;
            case CASE:
                SQLCaseExpr caseExpr = new SQLCaseExpr();
                lexer.nextToken();
                if (lexer.token() != Token.WHEN) {
                    caseExpr.setValueExpr(expr());
                }

                accept(Token.WHEN);
                SQLExpr testExpr = expr();
                accept(Token.THEN);
                SQLExpr valueExpr = expr();
                SQLCaseExpr.Item caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                caseExpr.addItem(caseItem);

                while (lexer.token() == Token.WHEN) {
                    lexer.nextToken();
                    testExpr = expr();
                    accept(Token.THEN);
                    valueExpr = expr();
                    caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                    caseExpr.getItems().add(caseItem);
                }

                if (lexer.token() == Token.ELSE) {
                    lexer.nextToken();
                    caseExpr.setElseExpr(expr());
                }

                accept(Token.END);

                sqlExpr = caseExpr;
View Full Code Here
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
                return Integer.valueOf(1);
            }

            if (isSimpleCaseTableSource(visitor, ((SQLQueryExpr) x).getSubQuery())) {
                SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) ((SQLQueryExpr) x).getSubQuery().getQuery();
                SQLCaseExpr caseExpr = (SQLCaseExpr) queryBlock.getSelectList().get(0).getExpr();

                Object result = getValue(caseExpr);

                if (visitor != null && !visitor.getConfig().isCaseConditionConstAllow()) {
                    boolean leftIsName = false;
                    if (x.getParent() instanceof SQLBinaryOpExpr) {
                        SQLExpr left = ((SQLBinaryOpExpr) x.getParent()).getLeft();
                        if (left instanceof SQLName) {
                            leftIsName = true;
                        }
                    }

                    if (!leftIsName && result != null) {
                        addViolation(visitor, ErrorCode.CONST_CASE_CONDITION, "const case condition", caseExpr);
                    }
                }

                return result;
            }
        }

        String dbType = null;
        if (visitor != null) {
            dbType = visitor.getDbType();
        }

        if (x instanceof SQLMethodInvokeExpr //
            || x instanceof SQLBetweenExpr //
            || x instanceof SQLInListExpr //
            || x instanceof SQLUnaryExpr //
        ) {
            return eval(visitor, dbType, x, Collections.emptyList());
        }

        if (x instanceof SQLCaseExpr) {

            if (visitor != null && !visitor.getConfig().isCaseConditionConstAllow()) {
                SQLCaseExpr caseExpr = (SQLCaseExpr) x;

                boolean leftIsName = false;
                if (caseExpr.getParent() instanceof SQLBinaryOpExpr) {
                    SQLExpr left = ((SQLBinaryOpExpr) caseExpr.getParent()).getLeft();
                    if (left instanceof SQLName) {
                        leftIsName = true;
                    }
                }

                if (!leftIsName && caseExpr.getValueExpr() == null && caseExpr.getItems().size() > 0) {
                    SQLCaseExpr.Item item = caseExpr.getItems().get(0);
                    Object conditionVal = getValue(visitor, item.getConditionExpr());
                    Object itemVal = getValue(visitor, item.getValueExpr());
                    if (conditionVal instanceof Boolean && itemVal != null) {
                        addViolation(visitor, ErrorCode.CONST_CASE_CONDITION, "const case condition", caseExpr);
                    }
View Full Code Here
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
            case ADVISE:
                sqlExpr = new SQLIdentifierExpr(lexer.stringVal());
                lexer.nextToken();
                break;
            case CASE:
                SQLCaseExpr caseExpr = new SQLCaseExpr();
                lexer.nextToken();
                if (lexer.token() != Token.WHEN) {
                    caseExpr.setValueExpr(expr());
                }

                accept(Token.WHEN);
                SQLExpr testExpr = expr();
                accept(Token.THEN);
                SQLExpr valueExpr = expr();
                SQLCaseExpr.Item caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                caseExpr.addItem(caseItem);

                while (lexer.token() == Token.WHEN) {
                    lexer.nextToken();
                    testExpr = expr();
                    accept(Token.THEN);
                    valueExpr = expr();
                    caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                    caseExpr.getItems().add(caseItem);
                }

                if (lexer.token() == Token.ELSE) {
                    lexer.nextToken();
                    caseExpr.setElseExpr(expr());
                }

                accept(Token.END);

                sqlExpr = caseExpr;
View Full Code Here
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
            case COMMENT:
                sqlExpr = new SQLIdentifierExpr(lexer.stringVal());
                lexer.nextToken();
                break;
            case CASE:
                SQLCaseExpr caseExpr = new SQLCaseExpr();
                lexer.nextToken();
                if (lexer.token() != Token.WHEN) {
                    caseExpr.setValueExpr(expr());
                }

                accept(Token.WHEN);
                SQLExpr testExpr = expr();
                accept(Token.THEN);
                SQLExpr valueExpr = expr();
                SQLCaseExpr.Item caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                caseExpr.addItem(caseItem);

                while (lexer.token() == Token.WHEN) {
                    lexer.nextToken();
                    testExpr = expr();
                    accept(Token.THEN);
                    valueExpr = expr();
                    caseItem = new SQLCaseExpr.Item(testExpr, valueExpr);
                    caseExpr.getItems().add(caseItem);
                }

                if (lexer.token() == Token.ELSE) {
                    lexer.nextToken();
                    caseExpr.setElseExpr(expr());
                }

                accept(Token.END);

                sqlExpr = caseExpr;
View Full Code Here
TOP

Related Classes of com.alibaba.druid.sql.ast.expr.SQLCaseExpr

  • com.alibaba.druid.bvt.sql.EqualTest_case
  • com.alibaba.druid.sql.parser.SQLExprParser
  • com.alibaba.druid.wall.spi.WallVisitorUtils
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.