--- /dev/null
+SET client_min_messages = warning;
+\set ECHO none
+RESET client_min_messages;
+CREATE TABLE gevelt ( t box );
+\copy gevelt from 'data/rect.data'
+SELECT center(t) AS p INTO gevelp FROM gevelt;
+CREATE INDEX gist_idx ON gevelt USING gist ( t );
+CREATE INDEX spgist_idx ON gevelp USING spgist ( p );
+CREATE INDEX kdspgist_idx ON gevelp USING spgist ( p kd_point_ops);
+--GiST
+SELECT gist_stat('gist_idx');
+ gist_stat
+-----------------------------------------
+ Number of levels: 2 +
+ Number of pages: 29 +
+ Number of leaf pages: 28 +
+ Number of tuples: 3406 +
+ Number of invalid tuples: 0 +
+ Number of leaf tuples: 3378 +
+ Total size of tuples: 143516 bytes+
+ Total size of leaf tuples: 142296 bytes+
+ Total size of index: 237568 bytes+
+
+(1 row)
+
+SELECT gist_tree('gist_idx');
+ gist_tree
+-----------------------------------------------------------------------------------------------
+ 0(l:0) blk: 0 numTuple: 28 free: 6940b(14.95%) rightlink:4294967295 (InvalidBlockNumber) +
+ 1(l:1) blk: 2 numTuple: 278 free: 2588b(68.28%) rightlink:4294967295 (InvalidBlockNumber)+
+ 2(l:1) blk: 18 numTuple: 123 free: 2736b(66.47%) rightlink:3 (OK) +
+ 3(l:1) blk: 8 numTuple: 128 free: 2516b(69.17%) rightlink:21 (OK) +
+ 4(l:1) blk: 4 numTuple: 92 free: 4100b(49.75%) rightlink:23 (OK) +
+ 5(l:1) blk: 19 numTuple: 122 free: 2780b(65.93%) rightlink:7 (OK) +
+ 6(l:1) blk: 15 numTuple: 135 free: 2208b(72.94%) rightlink:11 (OK) +
+ 7(l:1) blk: 23 numTuple: 126 free: 2604b(68.09%) rightlink:8 (OK) +
+ 8(l:1) blk: 10 numTuple: 156 free: 1284b(84.26%) rightlink:18 (OK) +
+ 9(l:1) blk: 13 numTuple: 130 free: 2428b(70.25%) rightlink:19 (OK) +
+ 10(l:1) blk: 9 numTuple: 124 free: 2692b(67.01%) rightlink:24 (OK) +
+ 11(l:1) blk: 12 numTuple: 70 free: 5068b(37.89%) rightlink:25 (OK) +
+ 12(l:1) blk: 21 numTuple: 112 free: 3220b(60.54%) rightlink:10 (OK) +
+ 13(l:1) blk: 16 numTuple: 89 free: 4232b(48.14%) rightlink:26 (OK) +
+ 14(l:1) blk: 26 numTuple: 108 free: 3396b(58.38%) rightlink:5 (OK) +
+ 15(l:1) blk: 7 numTuple: 99 free: 3792b(53.53%) rightlink:16 (OK) +
+ 16(l:1) blk: 6 numTuple: 85 free: 4408b(45.98%) rightlink:22 (OK) +
+ 17(l:1) blk: 14 numTuple: 163 free: 976b(88.04%) rightlink:6 (OK) +
+ 18(l:1) blk: 28 numTuple: 122 free: 2780b(65.93%) rightlink:12 (OK) +
+ 19(l:1) blk: 3 numTuple: 57 free: 5640b(30.88%) rightlink:27 (OK) +
+ 20(l:1) blk: 24 numTuple: 80 free: 4628b(43.28%) rightlink:15 (OK) +
+ 21(l:1) blk: 17 numTuple: 89 free: 4232b(48.14%) rightlink:4 (OK) +
+ 22(l:1) blk: 20 numTuple: 166 free: 844b(89.66%) rightlink:13 (OK) +
+ 23(l:1) blk: 27 numTuple: 122 free: 2780b(65.93%) rightlink:14 (OK) +
+ 24(l:1) blk: 22 numTuple: 147 free: 1680b(79.41%) rightlink:9 (OK) +
+ 25(l:1) blk: 11 numTuple: 146 free: 1724b(78.87%) rightlink:2 (OK) +
+ 26(l:1) blk: 5 numTuple: 61 free: 5464b(33.04%) rightlink:28 (OK) +
+ 27(l:1) blk: 1 numTuple: 92 free: 4100b(49.75%) rightlink:20 (OK) +
+ 28(l:1) blk: 25 numTuple: 156 free: 1284b(84.26%) rightlink:17 (OK) +
+
+(1 row)
+
+SELECT * FROM gist_print('gist_idx') as t(level int, valid bool, a box) where level=1;
+ level | valid | a
+-------+-------+-----------------------------
+ 1 | t |
+ 1 | t | (32261,50040),(20397,42779)
+ 1 | t | (20400,41715),(9175,31485)
+ 1 | t | (8924,39250),(3,31083)
+ 1 | t | (20594,19151),(10869,10535)
+ 1 | t | (49999,42533),(43290,27088)
+ 1 | t | (8993,50012),(64,39781)
+ 1 | t | (32394,42395),(20513,31557)
+ 1 | t | (20715,10161),(10407,51)
+ 1 | t | (42941,36244),(32606,27088)
+ 1 | t | (32512,16364),(20947,11843)
+ 1 | t | (20327,49975),(9216,42130)
+ 1 | t | (13397,31188),(7334,19288)
+ 1 | t | (20856,31294),(13642,19263)
+ 1 | t | (6986,30859),(107,19466)
+ 1 | t | (39187,26879),(32770,15690)
+ 1 | t | (49985,15380),(42047,43)
+ 1 | t | (32715,11509),(24675,6)
+ 1 | t | (41916,5154),(32914,357)
+ 1 | t | (43056,42360),(32661,36457)
+ 1 | t | (32544,31262),(21146,25161)
+ 1 | t | (10104,18999),(15,7761)
+ 1 | t | (41835,15495),(32828,5360)
+ 1 | t | (49944,26858),(39348,15728)
+ 1 | t | (50027,50073),(32453,42694)
+ 1 | t | (24423,11473),(20828,181)
+ 1 | t | (10146,7495),(138,81)
+ 1 | t | (32705,25105),(20838,16626)
+(28 rows)
+
+--SPGiST
+SELECT spgist_stat('spgist_idx');
+ spgist_stat
+----------------------------------
+ totalPages: 21 +
+ deletedPages: 0 +
+ innerPages: 2 +
+ leafPages: 19 +
+ emptyPages: 0 +
+ usedSpace: 126.70 kbytes+
+ freeSpace: 40.64 kbytes +
+ fillRatio: 75.71% +
+ leafTuples: 3947 +
+ innerTuples: 20 +
+ innerAllTheSame: 0 +
+ leafPlaceholders: 569 +
+ innerPlaceholders: 0 +
+ leafRedirects: 0 +
+ innerRedirects: 0
+(1 row)
+
+SELECT * FROM spgist_print('kdspgist_idx') as t(tid tid, node_n int, level int, tid_pointer tid, prefix float8, node_label int, leaf_value point);
+ tid | node_n | level | tid_pointer | prefix | node_label | leaf_value
+----------+--------+-------+-------------+--------+------------+-------------------
+ (1,1) | 0 | 1 | (5,1) | | |
+ (1,1) | 1 | 1 | (5,2) | | |
+ (5,2) | 0 | 2 | (5,6) | | |
+ (5,2) | 1 | 2 | (5,3) | | |
+ (5,3) | 0 | 3 | (5,5) | | |
+ (5,3) | 1 | 3 | (5,12) | | |
+ (5,12) | 0 | 4 | (5,13) | | |
+ (5,12) | 1 | 4 | (14,226) | | |
+ (14,226) | | 5 | | | | (43240,47256.5)
+ (5,13) | 0 | 5 | (3,112) | | |
+ (5,13) | 1 | 5 | (5,25) | | |
+ (5,25) | 0 | 6 | (22,116) | | |
+ (5,25) | 1 | 6 | (22,115) | | |
+ (22,115) | | 7 | | | | (30902,44532)
+ (22,116) | | 7 | | | | (23048,47416)
+ (3,112) | | 6 | | | | (35218.5,42124)
+ (5,5) | 0 | 4 | (5,11) | | |
+ (5,5) | 1 | 4 | (5,22) | | |
+ (5,22) | 0 | 5 | (20,225) | | |
+ (5,22) | 1 | 5 | (5,23) | | |
+ (5,23) | 0 | 6 | (9,112) | | |
+ (5,23) | 1 | 6 | (9,114) | | |
+ (9,114) | | 7 | | | | (44732,32182)
+ (9,112) | | 7 | | | | (35580,33526.5)
+ (20,225) | | 6 | | | | (47724.5,27185.5)
+ (5,11) | 0 | 5 | (13,101) | | |
+ (5,11) | 1 | 5 | (13,100) | | |
+ (13,100) | | 6 | | | | (24069,30850.5)
+ (13,101) | | 6 | | | | (29539,25566)
+ (5,6) | 0 | 3 | (5,7) | | |
+ (5,6) | 1 | 3 | (5,19) | | |
+ (5,19) | 0 | 4 | (5,20) | | |
+ (5,19) | 1 | 4 | (18,225) | | |
+ (18,225) | | 5 | | | | (20920.5,49105.5)
+ (5,20) | 0 | 5 | (10,110) | | |
+ (5,20) | 1 | 5 | (10,113) | | |
+ (10,113) | | 6 | | | | (93,46797)
+ (10,110) | | 6 | | | | (28.5,38640.5)
+ (5,7) | 0 | 4 | (7,113) | | |
+ (5,7) | 1 | 4 | (5,21) | | |
+ (5,21) | 0 | 5 | (19,115) | | |
+ (5,21) | 1 | 5 | (19,112) | | |
+ (19,112) | | 6 | | | | (11916.5,31668)
+ (19,115) | | 6 | | | | (20622.5,27462.5)
+ (7,113) | | 5 | | | | (9296,35157)
+ (5,1) | 0 | 2 | (5,8) | | |
+ (5,1) | 1 | 2 | (5,4) | | |
+ (5,4) | 0 | 3 | (5,10) | | |
+ (5,4) | 1 | 3 | (5,14) | | |
+ (5,14) | 0 | 4 | (5,15) | | |
+ (5,14) | 1 | 4 | (15,222) | | |
+ (15,222) | | 5 | | | | (41926.5,17934.5)
+ (5,15) | 0 | 5 | (8,113) | | |
+ (5,15) | 1 | 5 | (8,112) | | |
+ (8,112) | | 6 | | | | (32425,20702.5)
+ (8,113) | | 6 | | | | (29134,15559.5)
+ (5,10) | 0 | 4 | (12,94) | | |
+ (5,10) | 1 | 4 | (5,24) | | |
+ (5,24) | 0 | 5 | (21,108) | | |
+ (5,24) | 1 | 5 | (21,107) | | |
+ (21,107) | | 6 | | | | (49822.5,7097.5)
+ (21,108) | | 6 | | | | (40315.5,1689.5)
+ (12,94) | | 5 | | | | (30295.5,5090)
+ (5,8) | 0 | 3 | (5,17) | | |
+ (5,8) | 1 | 3 | (5,9) | | |
+ (5,9) | 0 | 4 | (6,114) | | |
+ (5,9) | 1 | 4 | (5,16) | | |
+ (5,16) | 0 | 5 | (16,123) | | |
+ (5,16) | 1 | 5 | (16,127) | | |
+ (16,127) | | 6 | | | | (18352.5,19366)
+ (16,123) | | 6 | | | | (24795,14921)
+ (6,114) | | 5 | | | | (6706,16676)
+ (5,17) | 0 | 4 | (5,18) | | |
+ (5,17) | 1 | 4 | (17,226) | | |
+ (17,226) | | 5 | | | | (23690,10214.5)
+ (5,18) | 0 | 5 | (11,113) | | |
+ (5,18) | 1 | 5 | (11,109) | | |
+ (11,109) | | 6 | | | | (5501.5,9916)
+ (11,113) | | 6 | | | | (1072.5,4752)
+(79 rows)
+
+SELECT * FROM spgist_print('spgist_idx') as t(tid tid, node_n int, level int, tid_pointer tid, prefix point, node_label int, leaf_value point) WHERE level = 1;
+ tid | node_n | level | tid_pointer | prefix | node_label | leaf_value
+-------+--------+-------+-------------+-------------------------------------+------------+------------
+ (1,1) | 0 | 1 | (5,4) | (24530.2070484581,23595.7092511013) | |
+ (1,1) | 1 | 1 | (5,3) | (24530.2070484581,23595.7092511013) | |
+ (1,1) | 2 | 1 | (5,2) | (24530.2070484581,23595.7092511013) | |
+ (1,1) | 3 | 1 | (5,1) | (24530.2070484581,23595.7092511013) | |
+(4 rows)
+
+--GIN
+CREATE TABLE test__int( a int[] );
+\copy test__int from 'data/test__int.data'
+CREATE INDEX gin_idx ON test__int USING gin ( a );
+INSERT INTO test__int ( SELECT ARRAY[t] || '{1000}'::_int4 FROM generate_series (1,300) as t );
+INSERT INTO test__int ( SELECT ARRAY[t] || '{1001}'::_int4 FROM generate_series (1,300) as t, generate_series(1,12) );
+VACUUM ANALYZE test__int;
+SELECT * FROM gin_stat('gin_idx') as t(value int, nrow int);
+ value | nrow
+-------+------
+ 0 | 38
+ 1 | 257
+ 2 | 244
+ 3 | 222
+ 4 | 228
+ 5 | 227
+ 6 | 243
+ 7 | 238
+ 8 | 236
+ 9 | 224
+ 10 | 236
+ 11 | 248
+ 12 | 224
+ 13 | 235
+ 14 | 237
+ 15 | 253
+ 16 | 234
+ 17 | 245
+ 18 | 246
+ 19 | 234
+ 20 | 236
+ 21 | 213
+ 22 | 235
+ 23 | 222
+ 24 | 197
+ 25 | 253
+ 26 | 218
+ 27 | 239
+ 28 | 198
+ 29 | 244
+ 30 | 247
+ 31 | 267
+ 32 | 234
+ 33 | 209
+ 34 | 231
+ 35 | 218
+ 36 | 242
+ 37 | 232
+ 38 | 221
+ 39 | 232
+ 40 | 241
+ 41 | 239
+ 42 | 221
+ 43 | 211
+ 44 | 231
+ 45 | 213
+ 46 | 236
+ 47 | 264
+ 48 | 221
+ 49 | 235
+ 50 | 219
+ 51 | 250
+ 52 | 270
+ 53 | 222
+ 54 | 242
+ 55 | 237
+ 56 | 237
+ 57 | 251
+ 58 | 231
+ 59 | 272
+ 60 | 219
+ 61 | 233
+ 62 | 235
+ 63 | 260
+ 64 | 252
+ 65 | 221
+ 66 | 228
+ 67 | 253
+ 68 | 196
+ 69 | 232
+ 70 | 232
+ 71 | 223
+ 72 | 247
+ 73 | 214
+ 74 | 232
+ 75 | 229
+ 76 | 233
+ 77 | 221
+ 78 | 227
+ 79 | 233
+ 80 | 216
+ 81 | 244
+ 82 | 223
+ 83 | 254
+ 84 | 227
+ 85 | 247
+ 86 | 255
+ 87 | 239
+ 88 | 258
+ 89 | 249
+ 90 | 244
+ 91 | 226
+ 92 | 225
+ 93 | 230
+ 94 | 218
+ 95 | 232
+ 96 | 239
+ 97 | 226
+ 98 | 209
+ 99 | 211
+ 100 | 216
+ 101 | 49
+ 102 | 47
+ 103 | 59
+ 104 | 55
+ 105 | 48
+ 106 | 49
+ 107 | 49
+ 108 | 51
+ 109 | 47
+ 110 | 51
+ 111 | 45
+ 112 | 46
+ 113 | 48
+ 114 | 38
+ 115 | 39
+ 116 | 43
+ 117 | 44
+ 118 | 46
+ 119 | 45
+ 120 | 52
+ 121 | 41
+ 122 | 64
+ 123 | 50
+ 124 | 41
+ 125 | 55
+ 126 | 41
+ 127 | 50
+ 128 | 54
+ 129 | 43
+ 130 | 44
+ 131 | 50
+ 132 | 57
+ 133 | 40
+ 134 | 41
+ 135 | 44
+ 136 | 58
+ 137 | 48
+ 138 | 44
+ 139 | 50
+ 140 | 49
+ 141 | 48
+ 142 | 43
+ 143 | 36
+ 144 | 43
+ 145 | 49
+ 146 | 46
+ 147 | 40
+ 148 | 52
+ 149 | 46
+ 150 | 49
+ 151 | 42
+ 152 | 58
+ 153 | 49
+ 154 | 51
+ 155 | 49
+ 156 | 45
+ 157 | 53
+ 158 | 59
+ 159 | 38
+ 160 | 53
+ 161 | 48
+ 162 | 41
+ 163 | 40
+ 164 | 52
+ 165 | 50
+ 166 | 40
+ 167 | 48
+ 168 | 45
+ 169 | 49
+ 170 | 50
+ 171 | 45
+ 172 | 46
+ 173 | 47
+ 174 | 41
+ 175 | 51
+ 176 | 50
+ 177 | 41
+ 178 | 42
+ 179 | 48
+ 180 | 47
+ 181 | 49
+ 182 | 40
+ 183 | 46
+ 184 | 52
+ 185 | 36
+ 186 | 45
+ 187 | 41
+ 188 | 47
+ 189 | 49
+ 190 | 46
+ 191 | 45
+ 192 | 39
+ 193 | 50
+ 194 | 39
+ 195 | 54
+ 196 | 43
+ 197 | 50
+ 198 | 46
+ 199 | 42
+ 200 | 31
+ 201 | 28
+ 202 | 28
+ 203 | 28
+ 204 | 30
+ 205 | 22
+ 206 | 25
+ 207 | 27
+ 208 | 32
+ 209 | 22
+ 210 | 21
+ 211 | 31
+ 212 | 22
+ 213 | 37
+ 214 | 19
+ 215 | 25
+ 216 | 27
+ 217 | 26
+ 218 | 24
+ 219 | 25
+ 220 | 26
+ 221 | 21
+ 222 | 23
+ 223 | 20
+ 224 | 26
+ 225 | 25
+ 226 | 25
+ 227 | 23
+ 228 | 30
+ 229 | 30
+ 230 | 24
+ 231 | 22
+ 232 | 27
+ 233 | 27
+ 234 | 21
+ 235 | 27
+ 236 | 24
+ 237 | 24
+ 238 | 29
+ 239 | 32
+ 240 | 31
+ 241 | 24
+ 242 | 36
+ 243 | 21
+ 244 | 29
+ 245 | 22
+ 246 | 23
+ 247 | 21
+ 248 | 26
+ 249 | 29
+ 250 | 24
+ 251 | 29
+ 252 | 25
+ 253 | 28
+ 254 | 25
+ 255 | 19
+ 256 | 23
+ 257 | 20
+ 258 | 24
+ 259 | 31
+ 260 | 29
+ 261 | 20
+ 262 | 25
+ 263 | 23
+ 264 | 25
+ 265 | 23
+ 266 | 31
+ 267 | 22
+ 268 | 26
+ 269 | 33
+ 270 | 25
+ 271 | 27
+ 272 | 29
+ 273 | 29
+ 274 | 26
+ 275 | 28
+ 276 | 30
+ 277 | 28
+ 278 | 29
+ 279 | 22
+ 280 | 29
+ 281 | 23
+ 282 | 30
+ 283 | 29
+ 284 | 23
+ 285 | 37
+ 286 | 27
+ 287 | 31
+ 288 | 28
+ 289 | 26
+ 290 | 25
+ 291 | 29
+ 292 | 22
+ 293 | 26
+ 294 | 29
+ 295 | 24
+ 296 | 27
+ 297 | 30
+ 298 | 29
+ 299 | 26
+ 300 | 13
+ 1000 | 300
+ 1001 | 4074
+ | 9
+ | 244
+(305 rows)
+