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
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
|
/*
** 2001 September 15
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains SQLite's grammar for SQL. Process this file
** using the lemon parser generator to generate C code that runs
** the parser. Lemon will also generate a header file containing
** numeric codes for all of the tokens.
**
** @(#) $Id: parse.y,v 1.1 2005/09/28 04:51:19 andreas_kupries Exp $
*/
%token_prefix TK_
%token_type {Token}
%default_type {Token}
%extra_argument {Parse *pParse}
%syntax_error {
if( pParse->zErrMsg==0 ){
if( TOKEN.z[0] ){
sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &TOKEN);
}else{
sqlite3ErrorMsg(pParse, "incomplete SQL statement");
}
}
}
%name sqlite3Parser
%include {
#include "sqliteInt.h"
#include "parse.h"
/*
** An instance of this structure holds information about the
** LIMIT clause of a SELECT statement.
*/
struct LimitVal {
Expr *pLimit; /* The LIMIT expression. NULL if there is no limit */
Expr *pOffset; /* The OFFSET expression. NULL if there is none */
};
/*
** An instance of this structure is used to store the LIKE,
** GLOB, NOT LIKE, and NOT GLOB operators.
*/
struct LikeOp {
int opcode; /* Either TK_GLOB or TK_LIKE */
int not; /* True if the NOT keyword is present */
};
/*
** An instance of the following structure describes the event of a
** TRIGGER. "a" is the event type, one of TK_UPDATE, TK_INSERT,
** TK_DELETE, or TK_INSTEAD. If the event is of the form
**
** UPDATE ON (a,b,c)
**
** Then the "b" IdList records the list "a,b,c".
*/
struct TrigEvent { int a; IdList * b; };
/*
** An instance of this structure holds the ATTACH key and the key type.
*/
struct AttachKey { int type; Token key; };
} // end %include
// These are extra tokens used by the lexer but never seen by the
// parser. We put them in a rule so that the parser generator will
// add them to the parse.h output file.
//
%nonassoc END_OF_FILE ILLEGAL SPACE UNCLOSED_STRING COMMENT FUNCTION
COLUMN AGG_FUNCTION.
// Input is a single SQL command
input ::= cmdlist.
cmdlist ::= cmdlist ecmd.
cmdlist ::= ecmd.
cmdx ::= cmd. { sqlite3FinishCoding(pParse); }
ecmd ::= SEMI.
ecmd ::= explain cmdx SEMI.
explain ::= . { sqlite3BeginParse(pParse, 0); }
%ifndef SQLITE_OMIT_EXPLAIN
explain ::= EXPLAIN. { sqlite3BeginParse(pParse, 1); }
%endif
///////////////////// Begin and end transactions. ////////////////////////////
//
cmd ::= BEGIN transtype(Y) trans_opt. {sqlite3BeginTransaction(pParse, Y);}
trans_opt ::= .
trans_opt ::= TRANSACTION.
trans_opt ::= TRANSACTION nm.
%type transtype {int}
transtype(A) ::= . {A = TK_DEFERRED;}
transtype(A) ::= DEFERRED(X). {A = @X;}
transtype(A) ::= IMMEDIATE(X). {A = @X;}
transtype(A) ::= EXCLUSIVE(X). {A = @X;}
cmd ::= COMMIT trans_opt. {sqlite3CommitTransaction(pParse);}
cmd ::= END trans_opt. {sqlite3CommitTransaction(pParse);}
cmd ::= ROLLBACK trans_opt. {sqlite3RollbackTransaction(pParse);}
///////////////////// The CREATE TABLE statement ////////////////////////////
//
cmd ::= create_table create_table_args.
create_table ::= CREATE(X) temp(T) TABLE nm(Y) dbnm(Z). {
sqlite3StartTable(pParse,&X,&Y,&Z,T,0);
}
%type temp {int}
%ifndef SQLITE_OMIT_TEMPDB
temp(A) ::= TEMP. {A = 1;}
%endif
temp(A) ::= . {A = 0;}
create_table_args ::= LP columnlist conslist_opt(X) RP(Y). {
sqlite3EndTable(pParse,&X,&Y,0);
}
create_table_args ::= AS select(S). {
sqlite3EndTable(pParse,0,0,S);
sqlite3SelectDelete(S);
}
columnlist ::= columnlist COMMA column.
columnlist ::= column.
// About the only information used for a column is the name of the
// column. The type is always just "text". But the code will accept
// an elaborate typename. Perhaps someday we'll do something with it.
//
column(A) ::= columnid(X) type carglist. {
A.z = X.z;
A.n = (pParse->sLastToken.z-X.z) + pParse->sLastToken.n;
}
columnid(A) ::= nm(X). {
sqlite3AddColumn(pParse,&X);
A = X;
}
// An IDENTIFIER can be a generic identifier, or one of several
// keywords. Any non-standard keyword can also be an identifier.
//
%type id {Token}
id(A) ::= ID(X). {A = X;}
// The following directive causes tokens ABORT, AFTER, ASC, etc. to
// fallback to ID if they will not parse as their original value.
// This obviates the need for the "id" nonterminal.
//
%fallback ID
ABORT AFTER ASC ATTACH BEFORE BEGIN CASCADE CONFLICT
DATABASE DEFERRED DESC DETACH EACH END EXCLUSIVE EXPLAIN FAIL FOR
GLOB IGNORE IMMEDIATE INITIALLY INSTEAD LIKE MATCH KEY
OF OFFSET PRAGMA RAISE REPLACE RESTRICT ROW STATEMENT
TEMP TRIGGER VACUUM VIEW
%ifdef SQLITE_OMIT_COMPOUND_SELECT
EXCEPT INTERSECT UNION
%endif
REINDEX RENAME CDATE CTIME CTIMESTAMP ALTER
.
// Define operator precedence early so that this is the first occurance
// of the operator tokens in the grammer. Keeping the operators together
// causes them to be assigned integer values that are close together,
// which keeps parser tables smaller.
//
// The token values assigned to these symbols is determined by the order
// in which lemon first sees them. It must be the case that ISNULL/NOTNULL,
// NE/EQ, GT/LE, and GE/LT are separated by only a single value. See
// the sqlite3ExprIfFalse() routine for additional information on this
// constraint.
//
%left OR.
%left AND.
%right NOT.
%left IS LIKE GLOB BETWEEN IN ISNULL NOTNULL NE EQ.
%left GT LE LT GE.
%right ESCAPE.
%left BITAND BITOR LSHIFT RSHIFT.
%left PLUS MINUS.
%left STAR SLASH REM.
%left CONCAT.
%right UMINUS UPLUS BITNOT.
// And "ids" is an identifer-or-string.
//
%type ids {Token}
ids(A) ::= ID(X). {A = X;}
ids(A) ::= STRING(X). {A = X;}
// The name of a column or table can be any of the following:
//
%type nm {Token}
nm(A) ::= ID(X). {A = X;}
nm(A) ::= STRING(X). {A = X;}
nm(A) ::= JOIN_KW(X). {A = X;}
type ::= .
type ::= typename(X). {sqlite3AddColumnType(pParse,&X,&X);}
type ::= typename(X) LP signed RP(Y). {sqlite3AddColumnType(pParse,&X,&Y);}
type ::= typename(X) LP signed COMMA signed RP(Y).
{sqlite3AddColumnType(pParse,&X,&Y);}
%type typename {Token}
typename(A) ::= ids(X). {A = X;}
typename(A) ::= typename(X) ids(Y). {A.z=X.z; A.n=Y.n+(Y.z-X.z);}
%type signed {int}
signed(A) ::= plus_num(X). { A = atoi(X.z); }
signed(A) ::= minus_num(X). { A = -atoi(X.z); }
carglist ::= carglist carg.
carglist ::= .
carg ::= CONSTRAINT nm ccons.
carg ::= ccons.
carg ::= DEFAULT term(X). {sqlite3AddDefaultValue(pParse,X);}
carg ::= DEFAULT PLUS term(X). {sqlite3AddDefaultValue(pParse,X);}
carg ::= DEFAULT MINUS term(X). {
Expr *p = sqlite3Expr(TK_UMINUS, X, 0, 0);
sqlite3AddDefaultValue(pParse,p);
}
carg ::= DEFAULT id(X). {
Expr *p = sqlite3Expr(TK_STRING, 0, 0, &X);
sqlite3AddDefaultValue(pParse,p);
}
// In addition to the type name, we also care about the primary key and
// UNIQUE constraints.
//
ccons ::= NULL onconf.
ccons ::= NOT NULL onconf(R). {sqlite3AddNotNull(pParse, R);}
ccons ::= PRIMARY KEY sortorder onconf(R) autoinc(I).
{sqlite3AddPrimaryKey(pParse,0,R,I);}
ccons ::= UNIQUE onconf(R). {sqlite3CreateIndex(pParse,0,0,0,0,R,0,0);}
ccons ::= CHECK LP expr(X) RP onconf. {sqlite3ExprDelete(X);}
ccons ::= REFERENCES nm(T) idxlist_opt(TA) refargs(R).
{sqlite3CreateForeignKey(pParse,0,&T,TA,R);}
ccons ::= defer_subclause(D). {sqlite3DeferForeignKey(pParse,D);}
ccons ::= COLLATE id(C). {sqlite3AddCollateType(pParse, C.z, C.n);}
// The optional AUTOINCREMENT keyword
%type autoinc {int}
autoinc(X) ::= . {X = 0;}
autoinc(X) ::= AUTOINCR. {X = 1;}
// The next group of rules parses the arguments to a REFERENCES clause
// that determine if the referential integrity checking is deferred or
// or immediate and which determine what action to take if a ref-integ
// check fails.
//
%type refargs {int}
refargs(A) ::= . { A = OE_Restrict * 0x010101; }
refargs(A) ::= refargs(X) refarg(Y). { A = (X & Y.mask) | Y.value; }
%type refarg {struct {int value; int mask;}}
refarg(A) ::= MATCH nm. { A.value = 0; A.mask = 0x000000; }
refarg(A) ::= ON DELETE refact(X). { A.value = X; A.mask = 0x0000ff; }
refarg(A) ::= ON UPDATE refact(X). { A.value = X<<8; A.mask = 0x00ff00; }
refarg(A) ::= ON INSERT refact(X). { A.value = X<<16; A.mask = 0xff0000; }
%type refact {int}
refact(A) ::= SET NULL. { A = OE_SetNull; }
refact(A) ::= SET DEFAULT. { A = OE_SetDflt; }
refact(A) ::= CASCADE. { A = OE_Cascade; }
refact(A) ::= RESTRICT. { A = OE_Restrict; }
%type defer_subclause {int}
defer_subclause(A) ::= NOT DEFERRABLE init_deferred_pred_opt(X). {A = X;}
defer_subclause(A) ::= DEFERRABLE init_deferred_pred_opt(X). {A = X;}
%type init_deferred_pred_opt {int}
init_deferred_pred_opt(A) ::= . {A = 0;}
init_deferred_pred_opt(A) ::= INITIALLY DEFERRED. {A = 1;}
init_deferred_pred_opt(A) ::= INITIALLY IMMEDIATE. {A = 0;}
// For the time being, the only constraint we care about is the primary
// key and UNIQUE. Both create indices.
//
conslist_opt(A) ::= . {A.n = 0; A.z = 0;}
conslist_opt(A) ::= COMMA(X) conslist. {A = X;}
conslist ::= conslist COMMA tcons.
conslist ::= conslist tcons.
conslist ::= tcons.
tcons ::= CONSTRAINT nm.
tcons ::= PRIMARY KEY LP idxlist(X) autoinc(I) RP onconf(R).
{sqlite3AddPrimaryKey(pParse,X,R,I);}
tcons ::= UNIQUE LP idxlist(X) RP onconf(R).
{sqlite3CreateIndex(pParse,0,0,0,X,R,0,0);}
tcons ::= CHECK expr onconf.
tcons ::= FOREIGN KEY LP idxlist(FA) RP
REFERENCES nm(T) idxlist_opt(TA) refargs(R) defer_subclause_opt(D). {
sqlite3CreateForeignKey(pParse, FA, &T, TA, R);
sqlite3DeferForeignKey(pParse, D);
}
%type defer_subclause_opt {int}
defer_subclause_opt(A) ::= . {A = 0;}
defer_subclause_opt(A) ::= defer_subclause(X). {A = X;}
// The following is a non-standard extension that allows us to declare the
// default behavior when there is a constraint conflict.
//
%type onconf {int}
%type orconf {int}
%type resolvetype {int}
onconf(A) ::= . {A = OE_Default;}
onconf(A) ::= ON CONFLICT resolvetype(X). {A = X;}
orconf(A) ::= . {A = OE_Default;}
orconf(A) ::= OR resolvetype(X). {A = X;}
resolvetype(A) ::= raisetype(X). {A = X;}
resolvetype(A) ::= IGNORE. {A = OE_Ignore;}
resolvetype(A) ::= REPLACE. {A = OE_Replace;}
////////////////////////// The DROP TABLE /////////////////////////////////////
//
cmd ::= DROP TABLE fullname(X). {
sqlite3DropTable(pParse, X, 0);
}
///////////////////// The CREATE VIEW statement /////////////////////////////
//
%ifndef SQLITE_OMIT_VIEW
cmd ::= CREATE(X) temp(T) VIEW nm(Y) dbnm(Z) AS select(S). {
sqlite3CreateView(pParse, &X, &Y, &Z, S, T);
}
cmd ::= DROP VIEW fullname(X). {
sqlite3DropTable(pParse, X, 1);
}
%endif // SQLITE_OMIT_VIEW
//////////////////////// The SELECT statement /////////////////////////////////
//
cmd ::= select(X). {
sqlite3Select(pParse, X, SRT_Callback, 0, 0, 0, 0, 0);
sqlite3SelectDelete(X);
}
%type select {Select*}
%destructor select {sqlite3SelectDelete($$);}
%type oneselect {Select*}
%destructor oneselect {sqlite3SelectDelete($$);}
select(A) ::= oneselect(X). {A = X;}
%ifndef SQLITE_OMIT_COMPOUND_SELECT
select(A) ::= select(X) multiselect_op(Y) oneselect(Z). {
if( Z ){
Z->op = Y;
Z->pPrior = X;
}
A = Z;
}
%type multiselect_op {int}
multiselect_op(A) ::= UNION(OP). {A = @OP;}
multiselect_op(A) ::= UNION ALL. {A = TK_ALL;}
multiselect_op(A) ::= INTERSECT(OP). {A = @OP;}
multiselect_op(A) ::= EXCEPT(OP). {A = @OP;}
%endif // SQLITE_OMIT_COMPOUND_SELECT
oneselect(A) ::= SELECT distinct(D) selcollist(W) from(X) where_opt(Y)
groupby_opt(P) having_opt(Q) orderby_opt(Z) limit_opt(L). {
A = sqlite3SelectNew(W,X,Y,P,Q,Z,D,L.pLimit,L.pOffset);
}
// The "distinct" nonterminal is true (1) if the DISTINCT keyword is
// present and false (0) if it is not.
//
%type distinct {int}
distinct(A) ::= DISTINCT. {A = 1;}
distinct(A) ::= ALL. {A = 0;}
distinct(A) ::= . {A = 0;}
// selcollist is a list of expressions that are to become the return
// values of the SELECT statement. The "*" in statements like
// "SELECT * FROM ..." is encoded as a special expression with an
// opcode of TK_ALL.
//
%type selcollist {ExprList*}
%destructor selcollist {sqlite3ExprListDelete($$);}
%type sclp {ExprList*}
%destructor sclp {sqlite3ExprListDelete($$);}
sclp(A) ::= selcollist(X) COMMA. {A = X;}
sclp(A) ::= . {A = 0;}
selcollist(A) ::= sclp(P) expr(X) as(Y). {
A = sqlite3ExprListAppend(P,X,Y.n?&Y:0);
}
selcollist(A) ::= sclp(P) STAR. {
A = sqlite3ExprListAppend(P, sqlite3Expr(TK_ALL, 0, 0, 0), 0);
}
selcollist(A) ::= sclp(P) nm(X) DOT STAR. {
Expr *pRight = sqlite3Expr(TK_ALL, 0, 0, 0);
Expr *pLeft = sqlite3Expr(TK_ID, 0, 0, &X);
A = sqlite3ExprListAppend(P, sqlite3Expr(TK_DOT, pLeft, pRight, 0), 0);
}
// An option "AS <id>" phrase that can follow one of the expressions that
// define the result set, or one of the tables in the FROM clause.
//
%type as {Token}
as(X) ::= AS nm(Y). {X = Y;}
as(X) ::= ids(Y). {X = Y;}
as(X) ::= . {X.n = 0;}
%type seltablist {SrcList*}
%destructor seltablist {sqlite3SrcListDelete($$);}
%type stl_prefix {SrcList*}
%destructor stl_prefix {sqlite3SrcListDelete($$);}
%type from {SrcList*}
%destructor from {sqlite3SrcListDelete($$);}
// A complete FROM clause.
//
from(A) ::= . {A = sqliteMalloc(sizeof(*A));}
from(A) ::= FROM seltablist(X). {A = X;}
// "seltablist" is a "Select Table List" - the content of the FROM clause
// in a SELECT statement. "stl_prefix" is a prefix of this list.
//
stl_prefix(A) ::= seltablist(X) joinop(Y). {
A = X;
if( A && A->nSrc>0 ) A->a[A->nSrc-1].jointype = Y;
}
stl_prefix(A) ::= . {A = 0;}
seltablist(A) ::= stl_prefix(X) nm(Y) dbnm(D) as(Z) on_opt(N) using_opt(U). {
A = sqlite3SrcListAppend(X,&Y,&D);
if( Z.n ) sqlite3SrcListAddAlias(A,&Z);
if( N ){
if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pOn = N; }
else { sqlite3ExprDelete(N); }
}
if( U ){
if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pUsing = U; }
else { sqlite3IdListDelete(U); }
}
}
%ifndef SQLITE_OMIT_SUBQUERY
seltablist(A) ::= stl_prefix(X) LP seltablist_paren(S) RP
as(Z) on_opt(N) using_opt(U). {
A = sqlite3SrcListAppend(X,0,0);
A->a[A->nSrc-1].pSelect = S;
if( Z.n ) sqlite3SrcListAddAlias(A,&Z);
if( N ){
if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pOn = N; }
else { sqlite3ExprDelete(N); }
}
if( U ){
if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pUsing = U; }
else { sqlite3IdListDelete(U); }
}
}
// A seltablist_paren nonterminal represents anything in a FROM that
// is contained inside parentheses. This can be either a subquery or
// a grouping of table and subqueries.
//
%type seltablist_paren {Select*}
%destructor seltablist_paren {sqlite3SelectDelete($$);}
seltablist_paren(A) ::= select(S). {A = S;}
seltablist_paren(A) ::= seltablist(F). {
A = sqlite3SelectNew(0,F,0,0,0,0,0,0,0);
}
%endif // SQLITE_OMIT_SUBQUERY
%type dbnm {Token}
dbnm(A) ::= . {A.z=0; A.n=0;}
dbnm(A) ::= DOT nm(X). {A = X;}
%type fullname {SrcList*}
%destructor fullname {sqlite3SrcListDelete($$);}
fullname(A) ::= nm(X) dbnm(Y). {A = sqlite3SrcListAppend(0,&X,&Y);}
%type joinop {int}
%type joinop2 {int}
joinop(X) ::= COMMA. { X = JT_INNER; }
joinop(X) ::= JOIN. { X = JT_INNER; }
joinop(X) ::= JOIN_KW(A) JOIN. { X = sqlite3JoinType(pParse,&A,0,0); }
joinop(X) ::= JOIN_KW(A) nm(B) JOIN. { X = sqlite3JoinType(pParse,&A,&B,0); }
joinop(X) ::= JOIN_KW(A) nm(B) nm(C) JOIN.
{ X = sqlite3JoinType(pParse,&A,&B,&C); }
%type on_opt {Expr*}
%destructor on_opt {sqlite3ExprDelete($$);}
on_opt(N) ::= ON expr(E). {N = E;}
on_opt(N) ::= . {N = 0;}
%type using_opt {IdList*}
%destructor using_opt {sqlite3IdListDelete($$);}
using_opt(U) ::= USING LP inscollist(L) RP. {U = L;}
using_opt(U) ::= . {U = 0;}
%type orderby_opt {ExprList*}
%destructor orderby_opt {sqlite3ExprListDelete($$);}
%type sortlist {ExprList*}
%destructor sortlist {sqlite3ExprListDelete($$);}
%type sortitem {Expr*}
%destructor sortitem {sqlite3ExprDelete($$);}
orderby_opt(A) ::= . {A = 0;}
orderby_opt(A) ::= ORDER BY sortlist(X). {A = X;}
sortlist(A) ::= sortlist(X) COMMA sortitem(Y) collate(C) sortorder(Z). {
A = sqlite3ExprListAppend(X,Y,C.n>0?&C:0);
if( A ) A->a[A->nExpr-1].sortOrder = Z;
}
sortlist(A) ::= sortitem(Y) collate(C) sortorder(Z). {
A = sqlite3ExprListAppend(0,Y,C.n>0?&C:0);
if( A && A->a ) A->a[0].sortOrder = Z;
}
sortitem(A) ::= expr(X). {A = X;}
%type sortorder {int}
%type collate {Token}
sortorder(A) ::= ASC. {A = SQLITE_SO_ASC;}
sortorder(A) ::= DESC. {A = SQLITE_SO_DESC;}
sortorder(A) ::= . {A = SQLITE_SO_ASC;}
collate(C) ::= . {C.z = 0; C.n = 0;}
collate(C) ::= COLLATE id(X). {C = X;}
%type groupby_opt {ExprList*}
%destructor groupby_opt {sqlite3ExprListDelete($$);}
groupby_opt(A) ::= . {A = 0;}
groupby_opt(A) ::= GROUP BY exprlist(X). {A = X;}
%type having_opt {Expr*}
%destructor having_opt {sqlite3ExprDelete($$);}
having_opt(A) ::= . {A = 0;}
having_opt(A) ::= HAVING expr(X). {A = X;}
%type limit_opt {struct LimitVal}
%destructor limit_opt {
sqlite3ExprDelete($$.pLimit);
sqlite3ExprDelete($$.pOffset);
}
limit_opt(A) ::= . {A.pLimit = 0; A.pOffset = 0;}
limit_opt(A) ::= LIMIT expr(X). {A.pLimit = X; A.pOffset = 0;}
limit_opt(A) ::= LIMIT expr(X) OFFSET expr(Y).
{A.pLimit = X; A.pOffset = Y;}
limit_opt(A) ::= LIMIT expr(X) COMMA expr(Y).
{A.pOffset = X; A.pLimit = Y;}
/////////////////////////// The DELETE statement /////////////////////////////
//
cmd ::= DELETE FROM fullname(X) where_opt(Y). {sqlite3DeleteFrom(pParse,X,Y);}
%type where_opt {Expr*}
%destructor where_opt {sqlite3ExprDelete($$);}
where_opt(A) ::= . {A = 0;}
where_opt(A) ::= WHERE expr(X). {A = X;}
%type setlist {ExprList*}
%destructor setlist {sqlite3ExprListDelete($$);}
////////////////////////// The UPDATE command ////////////////////////////////
//
cmd ::= UPDATE orconf(R) fullname(X) SET setlist(Y) where_opt(Z).
{sqlite3Update(pParse,X,Y,Z,R);}
setlist(A) ::= setlist(Z) COMMA nm(X) EQ expr(Y).
{A = sqlite3ExprListAppend(Z,Y,&X);}
setlist(A) ::= nm(X) EQ expr(Y). {A = sqlite3ExprListAppend(0,Y,&X);}
////////////////////////// The INSERT command /////////////////////////////////
//
cmd ::= insert_cmd(R) INTO fullname(X) inscollist_opt(F)
VALUES LP itemlist(Y) RP.
{sqlite3Insert(pParse, X, Y, 0, F, R);}
cmd ::= insert_cmd(R) INTO fullname(X) inscollist_opt(F) select(S).
{sqlite3Insert(pParse, X, 0, S, F, R);}
%type insert_cmd {int}
insert_cmd(A) ::= INSERT orconf(R). {A = R;}
insert_cmd(A) ::= REPLACE. {A = OE_Replace;}
%type itemlist {ExprList*}
%destructor itemlist {sqlite3ExprListDelete($$);}
itemlist(A) ::= itemlist(X) COMMA expr(Y). {A = sqlite3ExprListAppend(X,Y,0);}
itemlist(A) ::= expr(X). {A = sqlite3ExprListAppend(0,X,0);}
%type inscollist_opt {IdList*}
%destructor inscollist_opt {sqlite3IdListDelete($$);}
%type inscollist {IdList*}
%destructor inscollist {sqlite3IdListDelete($$);}
inscollist_opt(A) ::= . {A = 0;}
inscollist_opt(A) ::= LP inscollist(X) RP. {A = X;}
inscollist(A) ::= inscollist(X) COMMA nm(Y). {A = sqlite3IdListAppend(X,&Y);}
inscollist(A) ::= nm(Y). {A = sqlite3IdListAppend(0,&Y);}
/////////////////////////// Expression Processing /////////////////////////////
//
%type expr {Expr*}
%destructor expr {sqlite3ExprDelete($$);}
%type term {Expr*}
%destructor term {sqlite3ExprDelete($$);}
expr(A) ::= term(X). {A = X;}
expr(A) ::= LP(B) expr(X) RP(E). {A = X; sqlite3ExprSpan(A,&B,&E); }
term(A) ::= NULL(X). {A = sqlite3Expr(@X, 0, 0, &X);}
expr(A) ::= ID(X). {A = sqlite3Expr(TK_ID, 0, 0, &X);}
expr(A) ::= JOIN_KW(X). {A = sqlite3Expr(TK_ID, 0, 0, &X);}
expr(A) ::= nm(X) DOT nm(Y). {
Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &X);
Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &Y);
A = sqlite3Expr(TK_DOT, temp1, temp2, 0);
}
expr(A) ::= nm(X) DOT nm(Y) DOT nm(Z). {
Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &X);
Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &Y);
Expr *temp3 = sqlite3Expr(TK_ID, 0, 0, &Z);
Expr *temp4 = sqlite3Expr(TK_DOT, temp2, temp3, 0);
A = sqlite3Expr(TK_DOT, temp1, temp4, 0);
}
term(A) ::= INTEGER(X). {A = sqlite3Expr(@X, 0, 0, &X);}
term(A) ::= FLOAT(X). {A = sqlite3Expr(@X, 0, 0, &X);}
term(A) ::= STRING(X). {A = sqlite3Expr(@X, 0, 0, &X);}
term(A) ::= BLOB(X). {A = sqlite3Expr(@X, 0, 0, &X);}
expr(A) ::= REGISTER(X). {A = sqlite3RegisterExpr(pParse, &X);}
expr(A) ::= VARIABLE(X). {
Token *pToken = &X;
Expr *pExpr = A = sqlite3Expr(TK_VARIABLE, 0, 0, pToken);
sqlite3ExprAssignVarNumber(pParse, pExpr);
}
expr(A) ::= ID(X) LP exprlist(Y) RP(E). {
A = sqlite3ExprFunction(Y, &X);
sqlite3ExprSpan(A,&X,&E);
}
expr(A) ::= ID(X) LP STAR RP(E). {
A = sqlite3ExprFunction(0, &X);
sqlite3ExprSpan(A,&X,&E);
}
term(A) ::= CTIME(OP). {A = sqlite3Expr(@OP,0,0,0);}
term(A) ::= CDATE(OP). {A = sqlite3Expr(@OP,0,0,0);}
term(A) ::= CTIMESTAMP(OP). {A = sqlite3Expr(@OP,0,0,0);}
expr(A) ::= expr(X) AND(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) OR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) LT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) GT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) LE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) GE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) NE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) EQ(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) BITAND(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) BITOR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) LSHIFT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) RSHIFT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) PLUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) MINUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) STAR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) SLASH(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) REM(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
expr(A) ::= expr(X) CONCAT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
%type likeop {struct LikeOp}
likeop(A) ::= LIKE. {A.opcode = TK_LIKE; A.not = 0;}
likeop(A) ::= GLOB. {A.opcode = TK_GLOB; A.not = 0;}
likeop(A) ::= NOT LIKE. {A.opcode = TK_LIKE; A.not = 1;}
likeop(A) ::= NOT GLOB. {A.opcode = TK_GLOB; A.not = 1;}
%type escape {Expr*}
escape(X) ::= ESCAPE expr(A). [ESCAPE] {X = A;}
escape(X) ::= . [ESCAPE] {X = 0;}
expr(A) ::= expr(X) likeop(OP) expr(Y) escape(E). [LIKE] {
ExprList *pList = sqlite3ExprListAppend(0, Y, 0);
pList = sqlite3ExprListAppend(pList, X, 0);
if( E ){
pList = sqlite3ExprListAppend(pList, E, 0);
}
A = sqlite3ExprFunction(pList, 0);
if( A ) A->op = OP.opcode;
if( OP.not ) A = sqlite3Expr(TK_NOT, A, 0, 0);
sqlite3ExprSpan(A, &X->span, &Y->span);
}
expr(A) ::= expr(X) ISNULL(E). {
A = sqlite3Expr(TK_ISNULL, X, 0, 0);
sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= expr(X) IS NULL(E). {
A = sqlite3Expr(TK_ISNULL, X, 0, 0);
sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= expr(X) NOTNULL(E). {
A = sqlite3Expr(TK_NOTNULL, X, 0, 0);
sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= expr(X) NOT NULL(E). {
A = sqlite3Expr(TK_NOTNULL, X, 0, 0);
sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= expr(X) IS NOT NULL(E). {
A = sqlite3Expr(TK_NOTNULL, X, 0, 0);
sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= NOT(B) expr(X). {
A = sqlite3Expr(@B, X, 0, 0);
sqlite3ExprSpan(A,&B,&X->span);
}
expr(A) ::= BITNOT(B) expr(X). {
A = sqlite3Expr(@B, X, 0, 0);
sqlite3ExprSpan(A,&B,&X->span);
}
expr(A) ::= MINUS(B) expr(X). [UMINUS] {
A = sqlite3Expr(TK_UMINUS, X, 0, 0);
sqlite3ExprSpan(A,&B,&X->span);
}
expr(A) ::= PLUS(B) expr(X). [UPLUS] {
A = sqlite3Expr(TK_UPLUS, X, 0, 0);
sqlite3ExprSpan(A,&B,&X->span);
}
%type between_op {int}
between_op(A) ::= BETWEEN. {A = 0;}
between_op(A) ::= NOT BETWEEN. {A = 1;}
expr(A) ::= expr(W) between_op(N) expr(X) AND expr(Y). [BETWEEN] {
ExprList *pList = sqlite3ExprListAppend(0, X, 0);
pList = sqlite3ExprListAppend(pList, Y, 0);
A = sqlite3Expr(TK_BETWEEN, W, 0, 0);
if( A ) A->pList = pList;
if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0);
sqlite3ExprSpan(A,&W->span,&Y->span);
}
%ifndef SQLITE_OMIT_SUBQUERY
%type in_op {int}
in_op(A) ::= IN. {A = 0;}
in_op(A) ::= NOT IN. {A = 1;}
expr(A) ::= expr(X) in_op(N) LP exprlist(Y) RP(E). [IN] {
A = sqlite3Expr(TK_IN, X, 0, 0);
if( A ){
A->pList = Y;
}else{
sqlite3ExprListDelete(Y);
}
if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0);
sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= LP(B) select(X) RP(E). {
A = sqlite3Expr(TK_SELECT, 0, 0, 0);
if( A ) A->pSelect = X;
if( !A ) sqlite3SelectDelete(X);
sqlite3ExprSpan(A,&B,&E);
}
expr(A) ::= expr(X) in_op(N) LP select(Y) RP(E). [IN] {
A = sqlite3Expr(TK_IN, X, 0, 0);
if( A ) A->pSelect = Y;
if( !A ) sqlite3SelectDelete(Y);
if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0);
sqlite3ExprSpan(A,&X->span,&E);
}
expr(A) ::= expr(X) in_op(N) nm(Y) dbnm(Z). [IN] {
SrcList *pSrc = sqlite3SrcListAppend(0,&Y,&Z);
A = sqlite3Expr(TK_IN, X, 0, 0);
if( A ) A->pSelect = sqlite3SelectNew(0,pSrc,0,0,0,0,0,0,0);
if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0);
sqlite3ExprSpan(A,&X->span,Z.z?&Z:&Y);
}
expr(A) ::= EXISTS(B) LP select(Y) RP(E). {
Expr *p = A = sqlite3Expr(TK_EXISTS, 0, 0, 0);
if( p ){
p->pSelect = Y;
sqlite3ExprSpan(p,&B,&E);
}
if( !p ) sqlite3SelectDelete(Y);
}
%endif // SQLITE_OMIT_SUBQUERY
/* CASE expressions */
expr(A) ::= CASE(C) case_operand(X) case_exprlist(Y) case_else(Z) END(E). {
A = sqlite3Expr(TK_CASE, X, Z, 0);
if( A ) A->pList = Y;
sqlite3ExprSpan(A, &C, &E);
}
%type case_exprlist {ExprList*}
%destructor case_exprlist {sqlite3ExprListDelete($$);}
case_exprlist(A) ::= case_exprlist(X) WHEN expr(Y) THEN expr(Z). {
A = sqlite3ExprListAppend(X, Y, 0);
A = sqlite3ExprListAppend(A, Z, 0);
}
case_exprlist(A) ::= WHEN expr(Y) THEN expr(Z). {
A = sqlite3ExprListAppend(0, Y, 0);
A = sqlite3ExprListAppend(A, Z, 0);
}
%type case_else {Expr*}
case_else(A) ::= ELSE expr(X). {A = X;}
case_else(A) ::= . {A = 0;}
%type case_operand {Expr*}
case_operand(A) ::= expr(X). {A = X;}
case_operand(A) ::= . {A = 0;}
%type exprlist {ExprList*}
%destructor exprlist {sqlite3ExprListDelete($$);}
%type expritem {Expr*}
%destructor expritem {sqlite3ExprDelete($$);}
exprlist(A) ::= exprlist(X) COMMA expritem(Y).
{A = sqlite3ExprListAppend(X,Y,0);}
exprlist(A) ::= expritem(X). {A = sqlite3ExprListAppend(0,X,0);}
expritem(A) ::= expr(X). {A = X;}
expritem(A) ::= . {A = 0;}
///////////////////////////// The CREATE INDEX command ///////////////////////
//
cmd ::= CREATE(S) uniqueflag(U) INDEX nm(X) dbnm(D)
ON nm(Y) LP idxlist(Z) RP(E) onconf(R). {
if( U!=OE_None ) U = R;
if( U==OE_Default) U = OE_Abort;
sqlite3CreateIndex(pParse, &X, &D, sqlite3SrcListAppend(0,&Y,0),Z,U, &S, &E);
}
%type uniqueflag {int}
uniqueflag(A) ::= UNIQUE. {A = OE_Abort;}
uniqueflag(A) ::= . {A = OE_None;}
%type idxlist {ExprList*}
%destructor idxlist {sqlite3ExprListDelete($$);}
%type idxlist_opt {ExprList*}
%destructor idxlist_opt {sqlite3ExprListDelete($$);}
%type idxitem {Token}
idxlist_opt(A) ::= . {A = 0;}
idxlist_opt(A) ::= LP idxlist(X) RP. {A = X;}
idxlist(A) ::= idxlist(X) COMMA idxitem(Y) collate(C) sortorder. {
Expr *p = 0;
if( C.n>0 ){
p = sqlite3Expr(TK_COLUMN, 0, 0, 0);
if( p ) p->pColl = sqlite3LocateCollSeq(pParse, C.z, C.n);
}
A = sqlite3ExprListAppend(X, p, &Y);
}
idxlist(A) ::= idxitem(Y) collate(C) sortorder. {
Expr *p = 0;
if( C.n>0 ){
p = sqlite3Expr(TK_COLUMN, 0, 0, 0);
if( p ) p->pColl = sqlite3LocateCollSeq(pParse, C.z, C.n);
}
A = sqlite3ExprListAppend(0, p, &Y);
}
idxitem(A) ::= nm(X). {A = X;}
///////////////////////////// The DROP INDEX command /////////////////////////
//
cmd ::= DROP INDEX fullname(X). {sqlite3DropIndex(pParse, X);}
///////////////////////////// The VACUUM command /////////////////////////////
//
cmd ::= VACUUM. {sqlite3Vacuum(pParse,0);}
cmd ::= VACUUM nm. {sqlite3Vacuum(pParse,0);}
///////////////////////////// The PRAGMA command /////////////////////////////
//
%ifndef SQLITE_OMIT_PRAGMA
cmd ::= PRAGMA nm(X) dbnm(Z) EQ nm(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
cmd ::= PRAGMA nm(X) dbnm(Z) EQ ON(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
cmd ::= PRAGMA nm(X) dbnm(Z) EQ plus_num(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
cmd ::= PRAGMA nm(X) dbnm(Z) EQ minus_num(Y). {
sqlite3Pragma(pParse,&X,&Z,&Y,1);
}
cmd ::= PRAGMA nm(X) dbnm(Z) LP nm(Y) RP. {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
cmd ::= PRAGMA nm(X) dbnm(Z). {sqlite3Pragma(pParse,&X,&Z,0,0);}
%endif // SQLITE_OMIT_PRAGMA
plus_num(A) ::= plus_opt number(X). {A = X;}
minus_num(A) ::= MINUS number(X). {A = X;}
number(A) ::= INTEGER(X). {A = X;}
number(A) ::= FLOAT(X). {A = X;}
plus_opt ::= PLUS.
plus_opt ::= .
//////////////////////////// The CREATE TRIGGER command /////////////////////
%ifndef SQLITE_OMIT_TRIGGER
cmd ::= CREATE trigger_decl(A) BEGIN trigger_cmd_list(S) END(Z). {
Token all;
all.z = A.z;
all.n = (Z.z - A.z) + Z.n;
sqlite3FinishTrigger(pParse, S, &all);
}
trigger_decl(A) ::= temp(T) TRIGGER nm(B) dbnm(Z) trigger_time(C)
trigger_event(D)
ON fullname(E) foreach_clause(F) when_clause(G). {
sqlite3BeginTrigger(pParse, &B, &Z, C, D.a, D.b, E, F, G, T);
A = (Z.n==0?B:Z);
}
%type trigger_time {int}
trigger_time(A) ::= BEFORE. { A = TK_BEFORE; }
trigger_time(A) ::= AFTER. { A = TK_AFTER; }
trigger_time(A) ::= INSTEAD OF. { A = TK_INSTEAD;}
trigger_time(A) ::= . { A = TK_BEFORE; }
%type trigger_event {struct TrigEvent}
%destructor trigger_event {sqlite3IdListDelete($$.b);}
trigger_event(A) ::= DELETE(OP). {A.a = @OP; A.b = 0;}
trigger_event(A) ::= INSERT(OP). {A.a = @OP; A.b = 0;}
trigger_event(A) ::= UPDATE(OP). {A.a = @OP; A.b = 0;}
trigger_event(A) ::= UPDATE OF inscollist(X). {A.a = TK_UPDATE; A.b = X;}
%type foreach_clause {int}
foreach_clause(A) ::= . { A = TK_ROW; }
foreach_clause(A) ::= FOR EACH ROW. { A = TK_ROW; }
foreach_clause(A) ::= FOR EACH STATEMENT. { A = TK_STATEMENT; }
%type when_clause {Expr*}
when_clause(A) ::= . { A = 0; }
when_clause(A) ::= WHEN expr(X). { A = X; }
%type trigger_cmd_list {TriggerStep*}
%destructor trigger_cmd_list {sqlite3DeleteTriggerStep($$);}
trigger_cmd_list(A) ::= trigger_cmd(X) SEMI trigger_cmd_list(Y). {
X->pNext = Y;
A = X;
}
trigger_cmd_list(A) ::= . { A = 0; }
%type trigger_cmd {TriggerStep*}
%destructor trigger_cmd {sqlite3DeleteTriggerStep($$);}
// UPDATE
trigger_cmd(A) ::= UPDATE orconf(R) nm(X) SET setlist(Y) where_opt(Z).
{ A = sqlite3TriggerUpdateStep(&X, Y, Z, R); }
// INSERT
trigger_cmd(A) ::= insert_cmd(R) INTO nm(X) inscollist_opt(F)
VALUES LP itemlist(Y) RP.
{A = sqlite3TriggerInsertStep(&X, F, Y, 0, R);}
trigger_cmd(A) ::= insert_cmd(R) INTO nm(X) inscollist_opt(F) select(S).
{A = sqlite3TriggerInsertStep(&X, F, 0, S, R);}
// DELETE
trigger_cmd(A) ::= DELETE FROM nm(X) where_opt(Y).
{A = sqlite3TriggerDeleteStep(&X, Y);}
// SELECT
trigger_cmd(A) ::= select(X). {A = sqlite3TriggerSelectStep(X); }
// The special RAISE expression that may occur in trigger programs
expr(A) ::= RAISE(X) LP IGNORE RP(Y). {
A = sqlite3Expr(TK_RAISE, 0, 0, 0);
A->iColumn = OE_Ignore;
sqlite3ExprSpan(A, &X, &Y);
}
expr(A) ::= RAISE(X) LP raisetype(T) COMMA nm(Z) RP(Y). {
A = sqlite3Expr(TK_RAISE, 0, 0, &Z);
A->iColumn = T;
sqlite3ExprSpan(A, &X, &Y);
}
%endif // !SQLITE_OMIT_TRIGGER
%type raisetype {int}
raisetype(A) ::= ROLLBACK. {A = OE_Rollback;}
raisetype(A) ::= ABORT. {A = OE_Abort;}
raisetype(A) ::= FAIL. {A = OE_Fail;}
//////////////////////// DROP TRIGGER statement //////////////////////////////
%ifndef SQLITE_OMIT_TRIGGER
cmd ::= DROP TRIGGER fullname(X). {
sqlite3DropTrigger(pParse,X);
}
%endif // !SQLITE_OMIT_TRIGGER
//////////////////////// ATTACH DATABASE file AS name /////////////////////////
cmd ::= ATTACH database_kw_opt ids(F) AS nm(D) key_opt(K). {
sqlite3Attach(pParse, &F, &D, K.type, &K.key);
}
%type key_opt {struct AttachKey}
key_opt(A) ::= . { A.type = 0; }
key_opt(A) ::= KEY ids(X). { A.type=1; A.key = X; }
key_opt(A) ::= KEY BLOB(X). { A.type=2; A.key = X; }
database_kw_opt ::= DATABASE.
database_kw_opt ::= .
//////////////////////// DETACH DATABASE name /////////////////////////////////
cmd ::= DETACH database_kw_opt nm(D). {
sqlite3Detach(pParse, &D);
}
////////////////////////// REINDEX collation //////////////////////////////////
%ifndef SQLITE_OMIT_REINDEX
cmd ::= REINDEX. {sqlite3Reindex(pParse, 0, 0);}
cmd ::= REINDEX nm(X) dbnm(Y). {sqlite3Reindex(pParse, &X, &Y);}
%endif
//////////////////////// ALTER TABLE table ... ////////////////////////////////
%ifndef SQLITE_OMIT_ALTERTABLE
cmd ::= ALTER TABLE fullname(X) RENAME TO nm(Z). {
sqlite3AlterRenameTable(pParse,X,&Z);
}
cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column(Y). {
sqlite3AlterFinishAddColumn(pParse, &Y);
}
add_column_fullname ::= fullname(X). {
sqlite3AlterBeginAddColumn(pParse, X);
}
kwcolumn_opt ::= .
kwcolumn_opt ::= COLUMNKW.
%endif
|