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btree_ts.c
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1 /*
2  * contrib/btree_gist/btree_ts.c
3  */
4 #include "postgres.h"
5 
6 #include <limits.h>
7 
8 #include "btree_gist.h"
9 #include "btree_utils_num.h"
10 #include "utils/builtins.h"
11 #include "utils/datetime.h"
12 
13 typedef struct
14 {
17 } tsKEY;
18 
19 /*
20 ** timestamp ops
21 */
33 
34 
35 #ifdef USE_FLOAT8_BYVAL
36 #define TimestampGetDatumFast(X) TimestampGetDatum(X)
37 #else
38 #define TimestampGetDatumFast(X) PointerGetDatum(&(X))
39 #endif
40 
41 
42 static bool
43 gbt_tsgt(const void *a, const void *b, FmgrInfo *flinfo)
44 {
45  const Timestamp *aa = (const Timestamp *) a;
46  const Timestamp *bb = (const Timestamp *) b;
47 
50  TimestampGetDatumFast(*bb)));
51 }
52 
53 static bool
54 gbt_tsge(const void *a, const void *b, FmgrInfo *flinfo)
55 {
56  const Timestamp *aa = (const Timestamp *) a;
57  const Timestamp *bb = (const Timestamp *) b;
58 
61  TimestampGetDatumFast(*bb)));
62 }
63 
64 static bool
65 gbt_tseq(const void *a, const void *b, FmgrInfo *flinfo)
66 {
67  const Timestamp *aa = (const Timestamp *) a;
68  const Timestamp *bb = (const Timestamp *) b;
69 
72  TimestampGetDatumFast(*bb)));
73 }
74 
75 static bool
76 gbt_tsle(const void *a, const void *b, FmgrInfo *flinfo)
77 {
78  const Timestamp *aa = (const Timestamp *) a;
79  const Timestamp *bb = (const Timestamp *) b;
80 
83  TimestampGetDatumFast(*bb)));
84 }
85 
86 static bool
87 gbt_tslt(const void *a, const void *b, FmgrInfo *flinfo)
88 {
89  const Timestamp *aa = (const Timestamp *) a;
90  const Timestamp *bb = (const Timestamp *) b;
91 
94  TimestampGetDatumFast(*bb)));
95 }
96 
97 
98 static int
99 gbt_tskey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
100 {
101  tsKEY *ia = (tsKEY *) (((const Nsrt *) a)->t);
102  tsKEY *ib = (tsKEY *) (((const Nsrt *) b)->t);
103  int res;
104 
106  if (res == 0)
108 
109  return res;
110 }
111 
112 static float8
113 gbt_ts_dist(const void *a, const void *b, FmgrInfo *flinfo)
114 {
115  const Timestamp *aa = (const Timestamp *) a;
116  const Timestamp *bb = (const Timestamp *) b;
117  Interval *i;
118 
120  return get_float8_infinity();
121 
124  TimestampGetDatumFast(*bb)));
125  return (float8) Abs(INTERVAL_TO_SEC(i));
126 }
127 
128 
129 static const gbtree_ninfo tinfo =
130 {
131  gbt_t_ts,
132  sizeof(Timestamp),
133  16, /* sizeof(gbtreekey16) */
134  gbt_tsgt,
135  gbt_tsge,
136  gbt_tseq,
137  gbt_tsle,
138  gbt_tslt,
141 };
142 
143 
145 Datum
147 {
150  Interval *r;
151 
153  {
154  Interval *p = palloc(sizeof(Interval));
155 
156  p->day = INT_MAX;
157  p->month = INT_MAX;
158  p->time = PG_INT64_MAX;
160  }
161  else
163  PG_GETARG_DATUM(0),
164  PG_GETARG_DATUM(1)));
166 }
167 
169 Datum
171 {
174  Interval *r;
175 
177  {
178  Interval *p = palloc(sizeof(Interval));
179 
180  p->day = INT_MAX;
181  p->month = INT_MAX;
182  p->time = PG_INT64_MAX;
184  }
185 
187  PG_GETARG_DATUM(0),
188  PG_GETARG_DATUM(1)));
190 }
191 
192 
193 /**************************************************
194  * timestamp ops
195  **************************************************/
196 
197 
198 static inline Timestamp
200 {
201  /* No timezone correction is needed, since GMT is offset 0 by definition */
202  return (Timestamp) ts;
203 }
204 
205 
206 Datum
208 {
209  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
210 
211  PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
212 }
213 
214 
215 Datum
217 {
218  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
219  GISTENTRY *retval;
220 
221  if (entry->leafkey)
222  {
223  tsKEY *r = (tsKEY *) palloc(sizeof(tsKEY));
224  TimestampTz ts = DatumGetTimestampTz(entry->key);
225  Timestamp gmt;
226 
227  gmt = tstz_to_ts_gmt(ts);
228 
229  retval = palloc(sizeof(GISTENTRY));
230  r->lower = r->upper = gmt;
231  gistentryinit(*retval, PointerGetDatum(r),
232  entry->rel, entry->page,
233  entry->offset, FALSE);
234  }
235  else
236  retval = entry;
237 
238  PG_RETURN_POINTER(retval);
239 }
240 
241 Datum
243 {
244  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
245 
246  PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
247 }
248 
249 Datum
251 {
252  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
253  Timestamp query = PG_GETARG_TIMESTAMP(1);
255 
256  /* Oid subtype = PG_GETARG_OID(3); */
257  bool *recheck = (bool *) PG_GETARG_POINTER(4);
258  tsKEY *kkk = (tsKEY *) DatumGetPointer(entry->key);
259  GBT_NUMKEY_R key;
260 
261  /* All cases served by this function are exact */
262  *recheck = false;
263 
264  key.lower = (GBT_NUMKEY *) &kkk->lower;
265  key.upper = (GBT_NUMKEY *) &kkk->upper;
266 
268  gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
269  );
270 }
271 
272 Datum
274 {
275  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
276  Timestamp query = PG_GETARG_TIMESTAMP(1);
277 
278  /* Oid subtype = PG_GETARG_OID(3); */
279  tsKEY *kkk = (tsKEY *) DatumGetPointer(entry->key);
280  GBT_NUMKEY_R key;
281 
282  key.lower = (GBT_NUMKEY *) &kkk->lower;
283  key.upper = (GBT_NUMKEY *) &kkk->upper;
284 
286  gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
287  );
288 }
289 
290 Datum
292 {
293  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
296 
297  /* Oid subtype = PG_GETARG_OID(3); */
298  bool *recheck = (bool *) PG_GETARG_POINTER(4);
299  char *kkk = (char *) DatumGetPointer(entry->key);
300  GBT_NUMKEY_R key;
301  Timestamp qqq;
302 
303  /* All cases served by this function are exact */
304  *recheck = false;
305 
306  key.lower = (GBT_NUMKEY *) &kkk[0];
307  key.upper = (GBT_NUMKEY *) &kkk[MAXALIGN(tinfo.size)];
308  qqq = tstz_to_ts_gmt(query);
309 
311  gbt_num_consistent(&key, (void *) &qqq, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
312  );
313 }
314 
315 Datum
317 {
318  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
320 
321  /* Oid subtype = PG_GETARG_OID(3); */
322  char *kkk = (char *) DatumGetPointer(entry->key);
323  GBT_NUMKEY_R key;
324  Timestamp qqq;
325 
326  key.lower = (GBT_NUMKEY *) &kkk[0];
327  key.upper = (GBT_NUMKEY *) &kkk[MAXALIGN(tinfo.size)];
328  qqq = tstz_to_ts_gmt(query);
329 
331  gbt_num_distance(&key, (void *) &qqq, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
332  );
333 }
334 
335 
336 Datum
338 {
340  void *out = palloc(sizeof(tsKEY));
341 
342  *(int *) PG_GETARG_POINTER(1) = sizeof(tsKEY);
343  PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
344 }
345 
346 
347 #define penalty_check_max_float(val) do { \
348  if ( val > FLT_MAX ) \
349  val = FLT_MAX; \
350  if ( val < -FLT_MAX ) \
351  val = -FLT_MAX; \
352 } while(false);
353 
354 
355 Datum
357 {
358  tsKEY *origentry = (tsKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
359  tsKEY *newentry = (tsKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
360  float *result = (float *) PG_GETARG_POINTER(2);
361 
362  double orgdbl[2],
363  newdbl[2];
364 
365  /*
366  * We are always using "double" timestamps here. Precision should be good
367  * enough.
368  */
369  orgdbl[0] = ((double) origentry->lower);
370  orgdbl[1] = ((double) origentry->upper);
371  newdbl[0] = ((double) newentry->lower);
372  newdbl[1] = ((double) newentry->upper);
373 
374  penalty_check_max_float(orgdbl[0]);
375  penalty_check_max_float(orgdbl[1]);
376  penalty_check_max_float(newdbl[0]);
377  penalty_check_max_float(newdbl[1]);
378 
379  penalty_num(result, orgdbl[0], orgdbl[1], newdbl[0], newdbl[1]);
380 
381  PG_RETURN_POINTER(result);
382 
383 }
384 
385 
386 Datum
388 {
392  &tinfo, fcinfo->flinfo
393  ));
394 }
395 
396 Datum
398 {
399  tsKEY *b1 = (tsKEY *) PG_GETARG_POINTER(0);
400  tsKEY *b2 = (tsKEY *) PG_GETARG_POINTER(1);
401  bool *result = (bool *) PG_GETARG_POINTER(2);
402 
403  *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
404  PG_RETURN_POINTER(result);
405 }
#define GIST_LEAF(entry)
Definition: gist.h:133
Relation rel
Definition: gist.h:124
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:321
bool gbt_num_same(const GBT_NUMKEY *a, const GBT_NUMKEY *b, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
Definition: fmgr.h:56
#define PG_INT64_MAX
Definition: c.h:343
#define DatumGetIntervalP(X)
Definition: timestamp.h:29
Datum gbt_ts_compress(PG_FUNCTION_ARGS)
Definition: btree_ts.c:207
const GBT_NUMKEY * lower
Datum gbt_ts_consistent(PG_FUNCTION_ARGS)
Definition: btree_ts.c:250
#define PG_RETURN_INTERVAL_P(x)
Definition: timestamp.h:41
float8 gbt_num_distance(const GBT_NUMKEY_R *key, const void *query, bool is_leaf, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
#define DatumGetInt32(X)
Definition: postgres.h:478
Datum timestamp_cmp(PG_FUNCTION_ARGS)
Definition: timestamp.c:2083
Datum timestamp_lt(PG_FUNCTION_ARGS)
Definition: timestamp.c:2047
GISTENTRY * gbt_num_fetch(GISTENTRY *entry, const gbtree_ninfo *tinfo)
Datum gbt_tstz_compress(PG_FUNCTION_ARGS)
Definition: btree_ts.c:216
int64 TimestampTz
Definition: timestamp.h:39
#define PointerGetDatum(X)
Definition: postgres.h:562
#define PG_GETARG_TIMESTAMP(n)
Definition: timestamp.h:35
#define PG_GETARG_DATUM(n)
Definition: fmgr.h:233
Datum timestamp_gt(PG_FUNCTION_ARGS)
Definition: timestamp.c:2056
Datum timestamp_mi(PG_FUNCTION_ARGS)
Definition: timestamp.c:2584
#define PG_RETURN_FLOAT8(x)
Definition: fmgr.h:326
uint16 StrategyNumber
Definition: stratnum.h:22
return result
Definition: formatting.c:1632
const GBT_NUMKEY * upper
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
bool gbt_num_consistent(const GBT_NUMKEY_R *key, const void *query, const StrategyNumber *strategy, bool is_leaf, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
Timestamp lower
Definition: btree_ts.c:15
Datum gbt_ts_union(PG_FUNCTION_ARGS)
Definition: btree_ts.c:337
Datum gbt_tstz_distance(PG_FUNCTION_ARGS)
Definition: btree_ts.c:316
int32 day
Definition: timestamp.h:47
PG_FUNCTION_INFO_V1(gbt_ts_compress)
Definition: btree_ts.c:13
Page page
Definition: gist.h:125
#define Abs(x)
Definition: c.h:812
GISTENTRY * gbt_num_compress(GISTENTRY *entry, const gbtree_ninfo *tinfo)
#define TIMESTAMP_NOT_FINITE(j)
Definition: timestamp.h:122
static bool gbt_tslt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_ts.c:87
double float8
Definition: c.h:381
#define FALSE
Definition: c.h:221
#define penalty_num(result, olower, oupper, nlower, nupper)
Datum ts_dist(PG_FUNCTION_ARGS)
Definition: btree_ts.c:146
static bool gbt_tseq(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_ts.c:65
Datum key
Definition: gist.h:123
char GBT_NUMKEY
#define DatumGetTimestampTz(X)
Definition: timestamp.h:28
#define DatumGetBool(X)
Definition: postgres.h:399
TimeOffset time
Definition: timestamp.h:45
Datum timestamp_eq(PG_FUNCTION_ARGS)
Definition: timestamp.c:2029
Datum timestamp_ge(PG_FUNCTION_ARGS)
Definition: timestamp.c:2074
bool leafkey
Definition: gist.h:127
double get_float8_infinity(void)
Definition: float.c:121
int32 month
Definition: timestamp.h:48
int64 Timestamp
Definition: timestamp.h:38
static Timestamp tstz_to_ts_gmt(TimestampTz ts)
Definition: btree_ts.c:199
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:319
uintptr_t Datum
Definition: postgres.h:372
Interval * abs_interval(Interval *a)
Datum gbt_tstz_consistent(PG_FUNCTION_ARGS)
Definition: btree_ts.c:291
Datum gbt_ts_fetch(PG_FUNCTION_ARGS)
Definition: btree_ts.c:242
static int gbt_tskey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_ts.c:99
#define gistentryinit(e, k, r, pg, o, l)
Definition: gist.h:169
Datum gbt_ts_penalty(PG_FUNCTION_ARGS)
Definition: btree_ts.c:356
static bool gbt_tsge(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_ts.c:54
#define TimestampGetDatumFast(X)
Definition: btree_ts.c:38
#define MAXALIGN(LEN)
Definition: c.h:588
static float8 gbt_ts_dist(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_ts.c:113
Timestamp upper
Definition: btree_ts.c:16
GIST_SPLITVEC * gbt_num_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
#define PG_GETARG_UINT16(n)
Definition: fmgr.h:237
#define DatumGetPointer(X)
Definition: postgres.h:555
static bool gbt_tsgt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_ts.c:43
Datum gbt_ts_distance(PG_FUNCTION_ARGS)
Definition: btree_ts.c:273
void * palloc(Size size)
Definition: mcxt.c:849
#define PG_GETARG_TIMESTAMPTZ(n)
Definition: timestamp.h:36
int i
Datum timestamp_le(PG_FUNCTION_ARGS)
Definition: timestamp.c:2065
Datum tstz_dist(PG_FUNCTION_ARGS)
Definition: btree_ts.c:170
#define PG_FUNCTION_ARGS
Definition: fmgr.h:158
Datum gbt_ts_same(PG_FUNCTION_ARGS)
Definition: btree_ts.c:397
static const gbtree_ninfo tinfo
Definition: btree_ts.c:129
#define INTERVAL_TO_SEC(ivp)
OffsetNumber offset
Definition: gist.h:126
static const char gmt[]
Definition: localtime.c:51
Datum gbt_ts_picksplit(PG_FUNCTION_ARGS)
Definition: btree_ts.c:387
#define DirectFunctionCall2(func, arg1, arg2)
Definition: fmgr.h:586
#define penalty_check_max_float(val)
Definition: btree_ts.c:347
static bool gbt_tsle(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_ts.c:76
void * gbt_num_union(GBT_NUMKEY *out, const GistEntryVector *entryvec, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)