/
InternalSqlScriptUtils.java
473 lines (379 loc) · 15.7 KB
/
InternalSqlScriptUtils.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
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
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
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
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
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.xpack.sql.expression.function.scalar.whitelist;
import org.elasticsearch.index.fielddata.ScriptDocValues;
import org.elasticsearch.script.JodaCompatibleZonedDateTime;
import org.elasticsearch.xpack.sql.SqlIllegalArgumentException;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeFunction;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.NamedDateTimeProcessor.NameExtractor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.NonIsoDateTimeProcessor.NonIsoDateTimeExtractor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.QuarterProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.math.BinaryMathProcessor.BinaryMathOperation;
import org.elasticsearch.xpack.sql.expression.function.scalar.math.MathProcessor.MathOperation;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.BinaryStringNumericProcessor.BinaryStringNumericOperation;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.BinaryStringStringProcessor.BinaryStringStringOperation;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.ConcatFunctionProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.InsertFunctionProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.LocateFunctionProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.ReplaceFunctionProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.StringProcessor.StringOperation;
import org.elasticsearch.xpack.sql.expression.function.scalar.string.SubstringFunctionProcessor;
import org.elasticsearch.xpack.sql.expression.literal.IntervalDayTime;
import org.elasticsearch.xpack.sql.expression.literal.IntervalYearMonth;
import org.elasticsearch.xpack.sql.expression.predicate.conditional.ConditionalProcessor.ConditionalOperation;
import org.elasticsearch.xpack.sql.expression.predicate.conditional.NullIfProcessor;
import org.elasticsearch.xpack.sql.expression.predicate.logical.BinaryLogicProcessor.BinaryLogicOperation;
import org.elasticsearch.xpack.sql.expression.predicate.logical.NotProcessor;
import org.elasticsearch.xpack.sql.expression.predicate.nulls.CheckNullProcessor.CheckNullOperation;
import org.elasticsearch.xpack.sql.expression.predicate.operator.arithmetic.BinaryArithmeticProcessor.BinaryArithmeticOperation;
import org.elasticsearch.xpack.sql.expression.predicate.operator.arithmetic.UnaryArithmeticProcessor.UnaryArithmeticOperation;
import org.elasticsearch.xpack.sql.expression.predicate.operator.comparison.BinaryComparisonProcessor.BinaryComparisonOperation;
import org.elasticsearch.xpack.sql.expression.predicate.operator.comparison.InProcessor;
import org.elasticsearch.xpack.sql.expression.predicate.regex.RegexProcessor.RegexOperation;
import org.elasticsearch.xpack.sql.type.DataType;
import org.elasticsearch.xpack.sql.type.DataTypeConversion;
import org.elasticsearch.xpack.sql.util.DateUtils;
import org.elasticsearch.xpack.sql.util.StringUtils;
import java.time.Duration;
import java.time.Period;
import java.time.ZonedDateTime;
import java.util.List;
import java.util.Map;
/**
* Whitelisted class for SQL scripts.
* Acts as a registry of the various static methods used <b>internally</b> by the scalar functions
* (to simplify the whitelist definition).
*/
@SuppressWarnings("unused")
public final class InternalSqlScriptUtils {
private InternalSqlScriptUtils() {}
//
// Utilities
//
// safe missing mapping/value extractor
public static <T> Object docValue(Map<String, ScriptDocValues<T>> doc, String fieldName) {
if (doc.containsKey(fieldName)) {
ScriptDocValues<T> docValues = doc.get(fieldName);
if (!docValues.isEmpty()) {
return docValues.get(0);
}
}
return null;
}
public static boolean nullSafeFilter(Boolean filter) {
return filter == null ? false : filter.booleanValue();
}
public static double nullSafeSortNumeric(Number sort) {
return sort == null ? 0.0d : sort.doubleValue();
}
public static String nullSafeSortString(Object sort) {
return sort == null ? StringUtils.EMPTY : sort.toString();
}
//
// Operators
//
//
// Logical
//
public static Boolean eq(Object left, Object right) {
return BinaryComparisonOperation.EQ.apply(left, right);
}
public static Boolean nulleq(Object left, Object right) {
return BinaryComparisonOperation.NULLEQ.apply(left, right);
}
public static Boolean neq(Object left, Object right) {
return BinaryComparisonOperation.NEQ.apply(left, right);
}
public static Boolean lt(Object left, Object right) {
return BinaryComparisonOperation.LT.apply(left, right);
}
public static Boolean lte(Object left, Object right) {
return BinaryComparisonOperation.LTE.apply(left, right);
}
public static Boolean gt(Object left, Object right) {
return BinaryComparisonOperation.GT.apply(left, right);
}
public static Boolean gte(Object left, Object right) {
return BinaryComparisonOperation.GTE.apply(left, right);
}
public static Boolean and(Boolean left, Boolean right) {
return BinaryLogicOperation.AND.apply(left, right);
}
public static Boolean or(Boolean left, Boolean right) {
return BinaryLogicOperation.OR.apply(left, right);
}
public static Boolean not(Boolean expression) {
return NotProcessor.apply(expression);
}
public static Boolean isNull(Object expression) {
return CheckNullOperation.IS_NULL.apply(expression);
}
public static Boolean isNotNull(Object expression) {
return CheckNullOperation.IS_NOT_NULL.apply(expression);
}
public static Boolean in(Object value, List<Object> values) {
return InProcessor.apply(value, values);
}
//
// Null
//
public static Object coalesce(List<Object> expressions) {
return ConditionalOperation.COALESCE.apply(expressions);
}
public static Object greatest(List<Object> expressions) {
return ConditionalOperation.GREATEST.apply(expressions);
}
public static Object least(List<Object> expressions) {
return ConditionalOperation.LEAST.apply(expressions);
}
public static Object nullif(Object left, Object right) {
return NullIfProcessor.apply(left, right);
}
//
// Regex
//
public static Boolean regex(String value, String pattern) {
// TODO: this needs to be improved to avoid creating the pattern on every call
return RegexOperation.match(value, pattern);
}
//
// Math
//
public static Object add(Object left, Object right) {
return BinaryArithmeticOperation.ADD.apply(left, right);
}
public static Object div(Object left, Object right) {
return BinaryArithmeticOperation.DIV.apply(left, right);
}
public static Object mod(Object left, Object right) {
return BinaryArithmeticOperation.MOD.apply(left, right);
}
public static Object mul(Object left, Object right) {
return BinaryArithmeticOperation.MUL.apply(left, right);
}
public static Number neg(Number value) {
return UnaryArithmeticOperation.NEGATE.apply(value);
}
public static Object sub(Object left, Object right) {
return BinaryArithmeticOperation.SUB.apply(left, right);
}
public static Number round(Number v, Number s) {
return BinaryMathOperation.ROUND.apply(v, s);
}
public static Number truncate(Number v, Number s) {
return BinaryMathOperation.TRUNCATE.apply(v, s);
}
public static Double abs(Number value) {
return MathOperation.ABS.apply(value);
}
public static Double acos(Number value) {
return MathOperation.ACOS.apply(value);
}
public static Double asin(Number value) {
return MathOperation.ASIN.apply(value);
}
public static Double atan(Number value) {
return MathOperation.ATAN.apply(value);
}
public static Double cbrt(Number value) {
return MathOperation.CBRT.apply(value);
}
public static Double ceil(Number value) {
return MathOperation.CEIL.apply(value);
}
public static Double cos(Number value) {
return MathOperation.COS.apply(value);
}
public static Double cosh(Number value) {
return MathOperation.COSH.apply(value);
}
public static Double cot(Number value) {
return MathOperation.COT.apply(value);
}
public static Double degrees(Number value) {
return MathOperation.DEGREES.apply(value);
}
public static Double e(Number value) {
return MathOperation.E.apply(value);
}
public static Double exp(Number value) {
return MathOperation.EXP.apply(value);
}
public static Double expm1(Number value) {
return MathOperation.EXPM1.apply(value);
}
public static Double floor(Number value) {
return MathOperation.FLOOR.apply(value);
}
public static Double log(Number value) {
return MathOperation.LOG.apply(value);
}
public static Double log10(Number value) {
return MathOperation.LOG10.apply(value);
}
public static Double pi(Number value) {
return MathOperation.PI.apply(value);
}
public static Double radians(Number value) {
return MathOperation.RADIANS.apply(value);
}
public static Double random(Number value) {
return MathOperation.RANDOM.apply(value);
}
public static Double sign(Number value) {
return MathOperation.SIGN.apply(value);
}
public static Double sin(Number value) {
return MathOperation.SIN.apply(value);
}
public static Double sinh(Number value) {
return MathOperation.SINH.apply(value);
}
public static Double sqrt(Number value) {
return MathOperation.SQRT.apply(value);
}
public static Double tan(Number value) {
return MathOperation.TAN.apply(value);
}
//
// Date/Time functions
//
public static Integer dateTimeChrono(Object dateTime, String tzId, String chronoName) {
if (dateTime == null || tzId == null || chronoName == null) {
return null;
}
return DateTimeFunction.dateTimeChrono(asDateTime(dateTime), tzId, chronoName);
}
public static String dayName(Object dateTime, String tzId) {
if (dateTime == null || tzId == null) {
return null;
}
return NameExtractor.DAY_NAME.extract(asDateTime(dateTime), tzId);
}
public static Integer dayOfWeek(Object dateTime, String tzId) {
if (dateTime == null || tzId == null) {
return null;
}
return NonIsoDateTimeExtractor.DAY_OF_WEEK.extract(asDateTime(dateTime), tzId);
}
public static String monthName(Object dateTime, String tzId) {
if (dateTime == null || tzId == null) {
return null;
}
return NameExtractor.MONTH_NAME.extract(asDateTime(dateTime), tzId);
}
public static Integer quarter(Object dateTime, String tzId) {
if (dateTime == null || tzId == null) {
return null;
}
return QuarterProcessor.quarter(asDateTime(dateTime), tzId);
}
public static Integer weekOfYear(Object dateTime, String tzId) {
if (dateTime == null || tzId == null) {
return null;
}
return NonIsoDateTimeExtractor.WEEK_OF_YEAR.extract(asDateTime(dateTime), tzId);
}
public static ZonedDateTime asDateTime(Object dateTime) {
if (dateTime == null) {
return null;
}
if (dateTime instanceof JodaCompatibleZonedDateTime) {
return ((JodaCompatibleZonedDateTime) dateTime).getZonedDateTime();
}
if (dateTime instanceof ZonedDateTime) {
return (ZonedDateTime) dateTime;
}
if (dateTime instanceof Number) {
return DateUtils.of(((Number) dateTime).longValue());
}
throw new SqlIllegalArgumentException("Invalid date encountered [{}]", dateTime);
}
public static IntervalDayTime intervalDayTime(String text, String typeName) {
if (text == null || typeName == null) {
return null;
}
return new IntervalDayTime(Duration.parse(text), DataType.fromTypeName(typeName));
}
public static IntervalYearMonth intervalYearMonth(String text, String typeName) {
if (text == null || typeName == null) {
return null;
}
return new IntervalYearMonth(Period.parse(text), DataType.fromTypeName(typeName));
}
//
// String functions
//
public static Integer ascii(String s) {
return (Integer) StringOperation.ASCII.apply(s);
}
public static Integer bitLength(String s) {
return (Integer) StringOperation.BIT_LENGTH.apply(s);
}
public static String character(Number n) {
return (String) StringOperation.CHAR.apply(n);
}
public static Integer charLength(String s) {
return (Integer) StringOperation.CHAR_LENGTH.apply(s);
}
public static String concat(String s1, String s2) {
return (String) ConcatFunctionProcessor.process(s1, s2);
}
public static String insert(String s, Number start, Number length, String r) {
return (String) InsertFunctionProcessor.doProcess(s, start, length, r);
}
public static String lcase(String s) {
return (String) StringOperation.LCASE.apply(s);
}
public static String left(String s, Number count) {
return BinaryStringNumericOperation.LEFT.apply(s, count);
}
public static Integer length(String s) {
return (Integer) StringOperation.LENGTH.apply(s);
}
public static Integer locate(String s1, String s2) {
return locate(s1, s2, null);
}
public static Integer locate(String s1, String s2, Number pos) {
return LocateFunctionProcessor.doProcess(s1, s2, pos);
}
public static String ltrim(String s) {
return (String) StringOperation.LTRIM.apply(s);
}
public static Integer octetLength(String s) {
return (Integer) StringOperation.OCTET_LENGTH.apply(s);
}
public static Integer position(String s1, String s2) {
return (Integer) BinaryStringStringOperation.POSITION.apply(s1, s2);
}
public static String repeat(String s, Number count) {
return BinaryStringNumericOperation.REPEAT.apply(s, count);
}
public static String replace(String s1, String s2, String s3) {
return (String) ReplaceFunctionProcessor.doProcess(s1, s2, s3);
}
public static String right(String s, Number count) {
return BinaryStringNumericOperation.RIGHT.apply(s, count);
}
public static String rtrim(String s) {
return (String) StringOperation.RTRIM.apply(s);
}
public static String space(Number n) {
return (String) StringOperation.SPACE.apply(n);
}
public static String substring(String s, Number start, Number length) {
return (String) SubstringFunctionProcessor.doProcess(s, start, length);
}
public static String ucase(String s) {
return (String) StringOperation.UCASE.apply(s);
}
//
// Casting
//
public static Object cast(Object value, String typeName) {
return DataTypeConversion.convert(value, DataType.fromTypeName(typeName));
}
}