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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 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 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189
|
SET default_storage_engine=InnoDB;
SET innodb_strict_mode=OFF;
SET SESSION debug="+d,row_print_geometry_data";
SHOW VARIABLES LIKE '%storage_engine%';
Variable_name Value
default_storage_engine InnoDB
default_tmp_storage_engine InnoDB
disabled_storage_engines
internal_tmp_mem_storage_engine TempTable
USE test;
DROP TABLE IF EXISTS t1, gis_point, gis_line, gis_polygon;
DROP TABLE IF EXISTS gis_multi_point, gis_multi_line, gis_multi_polygon;
DROP TABLE IF EXISTS gis_geometrycollection, gis_geometry;
DROP TABLE IF EXISTS tab,tab2,tab3,parent,emp2;
DROP PROCEDURE IF EXISTS geominout;
DROP PROCEDURE IF EXISTS geom_insert;
DROP TRIGGER IF EXISTS geom_trigger;
DROP PROCEDURE IF EXISTS geom_cursor;
CREATE TABLE gis_point (fid INTEGER NOT NULL PRIMARY KEY, g POINT) ENGINE=InnoDB;
CREATE TABLE gis_line (fid INTEGER NOT NULL PRIMARY KEY, g LINESTRING) ENGINE=InnoDB;
CREATE TABLE gis_polygon (fid INTEGER NOT NULL PRIMARY KEY, g POLYGON) ENGINE=InnoDB;
CREATE TABLE gis_multi_point (fid INTEGER NOT NULL PRIMARY KEY, g MULTIPOINT) ENGINE=InnoDB;
CREATE TABLE gis_multi_line (fid INTEGER NOT NULL PRIMARY KEY, g MULTILINESTRING) ENGINE=InnoDB;
CREATE TABLE gis_multi_polygon (fid INTEGER NOT NULL PRIMARY KEY, g MULTIPOLYGON) ENGINE=InnoDB;
CREATE TABLE gis_geometrycollection (fid INTEGER NOT NULL PRIMARY KEY, g GEOMETRYCOLLECTION) ENGINE=InnoDB;
CREATE TABLE gis_geometry (fid INTEGER NOT NULL PRIMARY KEY, g GEOMETRY) ENGINE=InnoDB;
SHOW FIELDS FROM gis_point;
Field Type Null Key Default Extra
fid int NO PRI NULL
g point YES NULL
SHOW FIELDS FROM gis_line;
Field Type Null Key Default Extra
fid int NO PRI NULL
g linestring YES NULL
SHOW FIELDS FROM gis_polygon;
Field Type Null Key Default Extra
fid int NO PRI NULL
g polygon YES NULL
SHOW FIELDS FROM gis_multi_point;
Field Type Null Key Default Extra
fid int NO PRI NULL
g multipoint YES NULL
SHOW FIELDS FROM gis_multi_line;
Field Type Null Key Default Extra
fid int NO PRI NULL
g multilinestring YES NULL
SHOW FIELDS FROM gis_multi_polygon;
Field Type Null Key Default Extra
fid int NO PRI NULL
g multipolygon YES NULL
SHOW FIELDS FROM gis_geometrycollection;
Field Type Null Key Default Extra
fid int NO PRI NULL
g geomcollection YES NULL
SHOW FIELDS FROM gis_geometry;
Field Type Null Key Default Extra
fid int NO PRI NULL
g geometry YES NULL
#INSERT using all WKT & WKB functions
INSERT INTO gis_point VALUES
(101, ST_PointFromText('POINT(10 10)')),
(102, ST_PointFromText('POINT(20 10)')),
(103, ST_PointFromText('POINT(20 20)')),
(104, ST_PointFromWKB(ST_AsWKB(ST_PointFromText('POINT(10 20)'))));
INSERT INTO gis_line VALUES
(105, ST_LineFromText('LINESTRING(0 0,0 10,10 0)')),
(106, ST_LineStringFromText('LINESTRING(10 10,20 10,20 20,10 20,10 10)')),
(107, ST_LineStringFromWKB(ST_AsWKB(LineString(Point(10, 10), Point(40, 10)))));
INSERT INTO gis_polygon VALUES
(108, ST_PolygonFromText('POLYGON((10 10,20 10,20 20,10 20,10 10))')),
(109, ST_PolyFromText('POLYGON((0 0,50 0,50 50,0 50,0 0), (10 10,20 10,20 20,10 20,10 10))')),
(110, ST_PolyFromWKB(ST_AsWKB(Polygon(LineString(Point(0, 0), Point(30, 0), Point(30, 30), Point(0, 0))))));
INSERT INTO gis_multi_point VALUES
(111, ST_MultiPointFromText('MULTIPOINT(0 0,10 10,10 20,20 20)')),
(112, ST_MPointFromText('MULTIPOINT(1 1,11 11,11 21,21 21)')),
(113, ST_MPointFromWKB(ST_AsWKB(MultiPoint(Point(3, 6), Point(4, 10)))));
INSERT INTO gis_multi_line VALUES
(114, ST_MultiLineStringFromText('MULTILINESTRING((10 48,10 21,10 0),(16 0,16 23,16 48))')),
(115, ST_MLineFromText('MULTILINESTRING((10 48,10 21,10 0))')),
(116, ST_MLineFromWKB(ST_AsWKB(MultiLineString(LineString(Point(1, 2), Point(3, 5)), LineString(Point(2, 5), Point(5, 8), Point(21, 7))))));
INSERT INTO gis_multi_polygon VALUES
(117, ST_MultiPolygonFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),
((59 18,67 18,67 13,59 13,59 18)))')),
(118, ST_MPolyFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),
(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))')),
(119, ST_MPolyFromWKB(ST_AsWKB(MultiPolygon(Polygon(LineString(Point(0, 3), Point(3, 3), Point(3, 0), Point(0, 3)))))));
INSERT INTO gis_geometrycollection VALUES
(120, ST_GeomCollFromText('GEOMETRYCOLLECTION(POINT(0 0), LINESTRING(0 0,10 10))')),
(121, ST_GeometryCollectionFromText('GEOMETRYCOLLECTION(POINT(10 10), LINESTRING(10 10,20 20))')),
(122, ST_GeometryFromWKB(ST_AsWKB(GeometryCollection(Point(44, 6), LineString(Point(3, 6), Point(7, 9))))));
#check INSERT using SELECT query
INSERT into gis_geometry SELECT * FROM gis_point;
INSERT into gis_geometry SELECT * FROM gis_line;
INSERT into gis_geometry SELECT * FROM gis_polygon;
INSERT into gis_geometry SELECT * FROM gis_multi_point;
INSERT into gis_geometry SELECT * FROM gis_multi_line;
INSERT into gis_geometry SELECT * FROM gis_multi_polygon;
INSERT into gis_geometry SELECT * FROM gis_geometrycollection;
#check format coversion functions & spatial values
SELECT fid, ST_AsText(g) FROM gis_point;
fid ST_AsText(g)
101 POINT(10 10)
102 POINT(20 10)
103 POINT(20 20)
104 POINT(10 20)
SELECT fid, ST_AsText(g) FROM gis_line;
fid ST_AsText(g)
105 LINESTRING(0 0,0 10,10 0)
106 LINESTRING(10 10,20 10,20 20,10 20,10 10)
107 LINESTRING(10 10,40 10)
SELECT fid, ST_AsText(g) FROM gis_polygon;
fid ST_AsText(g)
108 POLYGON((10 10,20 10,20 20,10 20,10 10))
109 POLYGON((0 0,50 0,50 50,0 50,0 0),(10 10,20 10,20 20,10 20,10 10))
110 POLYGON((0 0,30 0,30 30,0 0))
SELECT fid, ST_AsText(g) FROM gis_multi_point;
fid ST_AsText(g)
111 MULTIPOINT((0 0),(10 10),(10 20),(20 20))
112 MULTIPOINT((1 1),(11 11),(11 21),(21 21))
113 MULTIPOINT((3 6),(4 10))
SELECT fid, ST_AsText(g) FROM gis_multi_line;
fid ST_AsText(g)
114 MULTILINESTRING((10 48,10 21,10 0),(16 0,16 23,16 48))
115 MULTILINESTRING((10 48,10 21,10 0))
116 MULTILINESTRING((1 2,3 5),(2 5,5 8,21 7))
SELECT fid, ST_AsText(g) FROM gis_multi_polygon;
fid ST_AsText(g)
117 MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
118 MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
119 MULTIPOLYGON(((0 3,3 3,3 0,0 3)))
SELECT fid, ST_AsText(g) FROM gis_geometrycollection;
fid ST_AsText(g)
120 GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
121 GEOMETRYCOLLECTION(POINT(10 10),LINESTRING(10 10,20 20))
122 GEOMETRYCOLLECTION(POINT(44 6),LINESTRING(3 6,7 9))
SELECT fid, ST_AsText(g) FROM gis_geometry;
fid ST_AsText(g)
101 POINT(10 10)
102 POINT(20 10)
103 POINT(20 20)
104 POINT(10 20)
105 LINESTRING(0 0,0 10,10 0)
106 LINESTRING(10 10,20 10,20 20,10 20,10 10)
107 LINESTRING(10 10,40 10)
108 POLYGON((10 10,20 10,20 20,10 20,10 10))
109 POLYGON((0 0,50 0,50 50,0 50,0 0),(10 10,20 10,20 20,10 20,10 10))
110 POLYGON((0 0,30 0,30 30,0 0))
111 MULTIPOINT((0 0),(10 10),(10 20),(20 20))
112 MULTIPOINT((1 1),(11 11),(11 21),(21 21))
113 MULTIPOINT((3 6),(4 10))
114 MULTILINESTRING((10 48,10 21,10 0),(16 0,16 23,16 48))
115 MULTILINESTRING((10 48,10 21,10 0))
116 MULTILINESTRING((1 2,3 5),(2 5,5 8,21 7))
117 MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
118 MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
119 MULTIPOLYGON(((0 3,3 3,3 0,0 3)))
120 GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
121 GEOMETRYCOLLECTION(POINT(10 10),LINESTRING(10 10,20 20))
122 GEOMETRYCOLLECTION(POINT(44 6),LINESTRING(3 6,7 9))
#2.1 check DDL functionality on GIS datatypes
CREATE TABLE tab(c1 POINT,c2 LINESTRING,c3 POLYGON,C4 MULTIPOINT,c5 MULTILINESTRING ,
c6 MULTIPOLYGON,c7 GEOMETRYCOLLECTION ,c8 GEOMETRY) ENGINE=InnoDB;
#check information schema for all the columns refer to 14, except POINT which is 15
SELECT sc.name, sc.pos, sc.mtype
FROM information_schema.innodb_columns sc
INNER JOIN information_schema.innodb_tables st
ON sc.TABLE_ID=st.TABLE_ID
WHERE st.NAME='test/tab'
ORDER BY sc.name;
name pos mtype
c1 0 14
c2 1 14
c3 2 14
C4 3 14
c5 4 14
c6 5 14
c7 6 14
c8 7 14
#check Perform convesrion before INSERT using WKT functions
SET @c1=ST_PointFromText('POINT(10 10)');
SET @c2=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
SET @c3=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
SET @c4=ST_MPointFromText('MULTIPOINT(0 0,5 5,10 10,20 20)');
SET @c5=ST_MLineFromText('MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))');
SET @c6=ST_MPolyFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))');
SET @c7=ST_GeomCollFromText('GEOMETRYCOLLECTION(POINT(0 0), LINESTRING(0 0,10 10))');
SET @c8=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
#Insert the spatial values
INSERT INTO tab VALUES(@c1,@c2,@c3,@c4,@c5,@c6,@c7,@c8);
#check index on GIS datatypes
CREATE INDEX idx1 on tab(c2(5) DESC) USING BTREE;
ERROR HY000: The index type BTREE is not supported for spatial indexes.
CREATE INDEX idx3 on tab(c3(5) ASC) USING BTREE;
ERROR HY000: The index type BTREE is not supported for spatial indexes.
CREATE UNIQUE INDEX idx2 on tab(c8(5) ASC) ;
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
#check equality predicate on the index columns
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab
WHERE c2=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab`.`c8`) AS `ST_AsText(c8)` from `test`.`tab` where (`test`.`tab`.`c2` = <cache>(st_linefromtext('LINESTRING(10 10,20 20,30 30)')))
#check index with WKB function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8)
FROM tab WHERE c2=ST_LineStringFromWKB(ST_AsWKB(ST_LineFromText('LINESTRING(10 10,20 20,30 30)')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab`.`c8`) AS `ST_AsText(c8)` from `test`.`tab` where (`test`.`tab`.`c2` = <cache>(st_linestringfromwkb(st_aswkb(st_linefromtext('LINESTRING(10 10,20 20,30 30)')))))
#check index with WKT function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab
WHERE c3=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab`.`c8`) AS `ST_AsText(c8)` from `test`.`tab` where (`test`.`tab`.`c3` = <cache>(st_polyfromtext('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))')))
#check index with WKB function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8)
FROM tab
WHERE c3=ST_PolyFromWKB(ST_AsWkB(ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab`.`c8`) AS `ST_AsText(c8)` from `test`.`tab` where (`test`.`tab`.`c3` = <cache>(st_polyfromwkb(st_aswkb(st_polyfromtext('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))')))))
#check index with WKT function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab
WHERE c8=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab`.`c8`) AS `ST_AsText(c8)` from `test`.`tab` where (`test`.`tab`.`c8` = <cache>(st_geomcollfromtext('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')))
#check index with WKB function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8)
FROM tab
WHERE c8=ST_GeometryFromWKB(ST_AsWKB(ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab`.`c8`) AS `ST_AsText(c8)` from `test`.`tab` where (`test`.`tab`.`c8` = <cache>(st_geometryfromwkb(st_aswkb(st_geomcollfromtext('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')))))
#check range predicate on the index columns
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab
WHERE c2>=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
ERROR HY000: Incorrect arguments to >=
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab
WHERE c3>=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
ERROR HY000: Incorrect arguments to >=
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab
WHERE c8>=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
ERROR HY000: Incorrect arguments to >=
#check index with DELETE operation
EXPLAIN DELETE FROM tab
WHERE c8=ST_GeometryFromWKB(ST_AsWKB(ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 DELETE tab NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 delete from `test`.`tab` where (`test`.`tab`.`c8` = st_geometryfromwkb(st_aswkb(st_geomcollfromtext('GeometryCollection(Point(1 1),LineString(2 2, 3 3))'))))
#check the spatial values
SELECT ST_AsText(c1) FROM tab;
ST_AsText(c1)
POINT(10 10)
SELECT ST_AsText(c2) FROM tab;
ST_AsText(c2)
LINESTRING(10 10,20 20,30 30)
SELECT ST_AsText(c3) FROM tab;
ST_AsText(c3)
POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))
SELECT ST_AsText(c4) FROM tab;
ST_AsText(c4)
MULTIPOINT((0 0),(5 5),(10 10),(20 20))
SELECT ST_AsText(c5) FROM tab;
ST_AsText(c5)
MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))
SELECT ST_AsText(c6) FROM tab;
ST_AsText(c6)
MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
SELECT ST_AsText(c7) FROM tab;
ST_AsText(c7)
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
SELECT ST_AsText(c8) From tab;
ST_AsText(c8)
GEOMETRYCOLLECTION(POINT(1 1),LINESTRING(2 2,3 3))
#check by modify the column type
ALTER TABLE tab MODIFY COLUMN c1 Geometry;
ALTER TABLE tab MODIFY COLUMN c2 Geometry;
ALTER TABLE tab MODIFY COLUMN c3 Geometry;
ALTER TABLE tab MODIFY COLUMN c4 Geometry;
ALTER TABLE tab MODIFY COLUMN c5 Geometry;
ALTER TABLE tab MODIFY COLUMN c6 Geometry;
ALTER TABLE tab MODIFY COLUMN c7 Geometry;
#check column datatypes
SHOW FIELDS FROM tab;
Field Type Null Key Default Extra
c1 geometry YES NULL
c2 geometry YES NULL
c3 geometry YES NULL
c4 geometry YES NULL
c5 geometry YES NULL
c6 geometry YES NULL
c7 geometry YES NULL
c8 geometry YES NULL
#check the data after modify
SELECT ST_AsText(c1) FROM tab;
ST_AsText(c1)
POINT(10 10)
SELECT ST_AsText(c2) FROM tab;
ST_AsText(c2)
LINESTRING(10 10,20 20,30 30)
SELECT ST_AsText(c3) FROM tab;
ST_AsText(c3)
POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))
SELECT ST_AsText(c4) FROM tab;
ST_AsText(c4)
MULTIPOINT((0 0),(5 5),(10 10),(20 20))
SELECT ST_AsText(c5) FROM tab;
ST_AsText(c5)
MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))
SELECT ST_AsText(c6) FROM tab;
ST_AsText(c6)
MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
SELECT ST_AsText(c7) FROM tab;
ST_AsText(c7)
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
SELECT ST_AsText(c8) From tab;
ST_AsText(c8)
GEOMETRYCOLLECTION(POINT(1 1),LINESTRING(2 2,3 3))
#check by modify the column type
ALTER TABLE tab MODIFY COLUMN c1 POINT;
ALTER TABLE tab MODIFY COLUMN c2 LINESTRING;
ALTER TABLE tab MODIFY COLUMN c3 POLYGON;
ALTER TABLE tab MODIFY COLUMN c4 MULTIPOINT;
ALTER TABLE tab MODIFY COLUMN c5 MULTILINESTRING;
ALTER TABLE tab MODIFY COLUMN c6 MULTIPOLYGON;
ALTER TABLE tab MODIFY COLUMN c7 GEOMETRYCOLLECTION;
#check column datatypes
SHOW FIELDS FROM tab;
Field Type Null Key Default Extra
c1 point YES NULL
c2 linestring YES NULL
c3 polygon YES NULL
c4 multipoint YES NULL
c5 multilinestring YES NULL
c6 multipolygon YES NULL
c7 geomcollection YES NULL
c8 geometry YES NULL
#check the data after modify
SELECT ST_AsText(c1) FROM tab;
ST_AsText(c1)
POINT(10 10)
SELECT ST_AsText(c2) FROM tab;
ST_AsText(c2)
LINESTRING(10 10,20 20,30 30)
SELECT ST_AsText(c3) FROM tab;
ST_AsText(c3)
POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))
SELECT ST_AsText(c4) FROM tab;
ST_AsText(c4)
MULTIPOINT((0 0),(5 5),(10 10),(20 20))
SELECT ST_AsText(c5) FROM tab;
ST_AsText(c5)
MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))
SELECT ST_AsText(c6) FROM tab;
ST_AsText(c6)
MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
SELECT ST_AsText(c7) FROM tab;
ST_AsText(c7)
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
SELECT ST_AsText(c8) From tab;
ST_AsText(c8)
GEOMETRYCOLLECTION(POINT(1 1),LINESTRING(2 2,3 3))
#check change the column type
ALTER TABLE tab MODIFY COLUMN c1 BLOB;
#check column datatypes
SHOW CREATE TABLE tab;
Table Create Table
tab CREATE TABLE `tab` (
`c1` blob,
`c2` linestring DEFAULT NULL,
`c3` polygon DEFAULT NULL,
`c4` multipoint DEFAULT NULL,
`c5` multilinestring DEFAULT NULL,
`c6` multipolygon DEFAULT NULL,
`c7` geomcollection DEFAULT NULL,
`c8` geometry DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
#check the data after modify
SELECT ST_AsText(c1) FROM tab;
ST_AsText(c1)
POINT(10 10)
#change the column name
ALTER TABLE tab CHANGE COLUMN c1 c0 GEOMETRY ;
#check column datatypes
SHOW FIELDS FROM tab;
Field Type Null Key Default Extra
c0 geometry YES NULL
c2 linestring YES NULL
c3 polygon YES NULL
c4 multipoint YES NULL
c5 multilinestring YES NULL
c6 multipolygon YES NULL
c7 geomcollection YES NULL
c8 geometry YES NULL
#add primary key
ALTER TABLE tab ADD PRIMARY KEY pk2(c8(5));
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
#check columns
SHOW FIELDS FROM tab;
Field Type Null Key Default Extra
c0 geometry YES NULL
c2 linestring YES NULL
c3 polygon YES NULL
c4 multipoint YES NULL
c5 multilinestring YES NULL
c6 multipolygon YES NULL
c7 geomcollection YES NULL
c8 geometry YES NULL
#check columns
SHOW FIELDS FROM tab;
Field Type Null Key Default Extra
c0 geometry YES NULL
c2 linestring YES NULL
c3 polygon YES NULL
c4 multipoint YES NULL
c5 multilinestring YES NULL
c6 multipolygon YES NULL
c7 geomcollection YES NULL
c8 geometry YES NULL
#cleanup the table
TRUNCATE TABLE tab;
#check with procedures
#crate proc with INOUT params
CREATE PROCEDURE geom_insert(IN c1 POINT,IN c2 LINESTRING,IN c3 POLYGON,
IN c4 MULTIPOINT,IN c5 MULTILINESTRING, IN c6 MULTIPOLYGON,IN c7 GEOMETRYCOLLECTION,
IN c8 GEOMETRY)
BEGIN
INSERT INTO tab VALUES(@c1,@c2,@c3,@c4,@c5,@c6,@c7,@c8);
END |
#set the spatial values
SET @c1=ST_PointFromText('POINT(10 10)');
SET @c2=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
SET @c3=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
SET @c4=ST_MPointFromText('MULTIPOINT(0 0,5 5,10 10,20 20)');
SET @c5=ST_MLineFromText('MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))');
SET @c6=ST_MPolyFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))');
SET @c7=ST_GeomCollFromText('GEOMETRYCOLLECTION(POINT(0 0), LINESTRING(0 0,10 10))');
SET @c8=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
#call the proc
CALL geom_insert(@c1,@c2,@c3,@c4,@c5,@c6,@c7,@c8);
#check the values ofter proc call
SELECT ST_AsText(c0) FROM tab;
ST_AsText(c0)
POINT(10 10)
SELECT ST_AsText(c2) FROM tab;
ST_AsText(c2)
LINESTRING(10 10,20 20,30 30)
SELECT ST_AsText(c3) FROM tab;
ST_AsText(c3)
POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))
SELECT ST_AsText(c4) FROM tab;
ST_AsText(c4)
MULTIPOINT((0 0),(5 5),(10 10),(20 20))
SELECT ST_AsText(c5) FROM tab;
ST_AsText(c5)
MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))
SELECT ST_AsText(c6) FROM tab;
ST_AsText(c6)
MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
SELECT ST_AsText(c7) FROM tab;
ST_AsText(c7)
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
SELECT ST_AsText(c8) From tab;
ST_AsText(c8)
GEOMETRYCOLLECTION(POINT(1 1),LINESTRING(2 2,3 3))
#set the input spatial value
SET @c9=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
#crate a proc with INOUT params and pass a value.
CREATE PROCEDURE geominout(INOUT c9 GEOMETRY)
BEGIN
SELECT ST_AsText(@c9);
SET c9=ST_GeomCollFromText('GeometryCollection(Point(10 10),LineString(20 20, 30 30))');
END|
#call the proc and then change the spatial value of c8
CALL geominout(@c9);
ST_AsText(@c9)
GEOMETRYCOLLECTION(POINT(1 1),LINESTRING(2 2,3 3))
#now check the out spatial values should be changed to new values
SELECT ST_AsText(@c9);
ST_AsText(@c9)
GEOMETRYCOLLECTION(POINT(10 10),LINESTRING(20 20,30 30))
#delete the records
TRUNCATE TABLE tab;
#create another table same as tab
CREATE TABLE tab2 AS SELECT * FROM tab;
#check the table definition
SHOW CREATE TABLE tab2;
Table Create Table
tab2 CREATE TABLE `tab2` (
`c0` geometry DEFAULT NULL,
`c2` linestring DEFAULT NULL,
`c3` polygon DEFAULT NULL,
`c4` multipoint DEFAULT NULL,
`c5` multilinestring DEFAULT NULL,
`c6` multipolygon DEFAULT NULL,
`c7` geomcollection DEFAULT NULL,
`c8` geometry DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
#create a tigger and populate the values into tab2
CREATE TRIGGER geom_trigger AFTER INSERT ON tab
FOR EACH ROW
BEGIN
INSERT INTO tab2 VALUES (@c1,@c2,@c3,@c4,@c5,@c6,@c7,@c8);
END|
#set the spatial values
SET @c1=ST_PointFromText('POINT(10 10)');
SET @c2=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
SET @c3=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
SET @c4=ST_MPointFromText('MULTIPOINT(0 0,5 5,10 10,20 20)');
SET @c5=ST_MLineFromText('MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))');
SET @c6=ST_MPolyFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))');
SET @c7=ST_GeomCollFromText('GEOMETRYCOLLECTION(POINT(0 0), LINESTRING(0 0,10 10))');
SET @c8=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
#Insert the spatial values
INSERT INTO tab VALUES(@c1,@c2,@c3,@c4,@c5,@c6,@c7,@c8);
#check the values whether populated
SELECT ST_AsText(c0) FROM tab2;
ST_AsText(c0)
POINT(10 10)
SELECT ST_AsText(c2) FROM tab2;
ST_AsText(c2)
LINESTRING(10 10,20 20,30 30)
SELECT ST_AsText(c3) FROM tab2;
ST_AsText(c3)
POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))
SELECT ST_AsText(c4) FROM tab2;
ST_AsText(c4)
MULTIPOINT((0 0),(5 5),(10 10),(20 20))
SELECT ST_AsText(c5) FROM tab2;
ST_AsText(c5)
MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))
SELECT ST_AsText(c6) FROM tab2;
ST_AsText(c6)
MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
SELECT ST_AsText(c7) FROM tab2;
ST_AsText(c7)
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
SELECT ST_AsText(c8) From tab2;
ST_AsText(c8)
GEOMETRYCOLLECTION(POINT(1 1),LINESTRING(2 2,3 3))
#check Cursor with Geometry
CREATE PROCEDURE geom_cursor()
BEGIN
DECLARE v GEOMETRY;
DECLARE c CURSOR FOR SELECT c8 FROM tab2;
OPEN c;
FETCH c INTO v;
CLOSE c;
SELECT ST_AsText(v);
END|
# the following line was commented due the Bug#16282246
# Once it is fixed, the comment will be removed.
# right now bug fixing date is unknown.
check self join
SELECT ST_AsText(a.c0),ST_AsText(a.c2),ST_AsText(a.c3)
FROM tab a,tab2 b WHERE a.c0=b.c0 AND a.c2=b.c2
AND a.c3=b.c3 AND a.c4=b.c4 AND a.c5=b.c5 AND a.c6=b.c6
AND a.c7=b.c7 AND a.c8=b.c8;
ST_AsText(a.c0) ST_AsText(a.c2) ST_AsText(a.c3)
POINT(10 10) LINESTRING(10 10,20 20,30 30) POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))
#check equi join
SELECT ST_AsText(a.c2),ST_AsText(b.c2) FROM tab a,tab2 b WHERE a.c2=b.c2;
ST_AsText(a.c2) ST_AsText(b.c2)
LINESTRING(10 10,20 20,30 30) LINESTRING(10 10,20 20,30 30)
#check DELETE stmt with Where clause and a constant predicate
DELETE FROM tab
Where c8=c8=ST_GeometryFromWKB(ST_AsWKB(ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')));
ERROR 22007: Truncated incorrect DOUBLE value: '\x00\x00\x00\x00\x01\x07\x00\x00\x00\x02\x00\x00\x00\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\xF0?\x00\x00\x00\x00\x00\x00\xF'
#check the data, should 0
SELECT COUNT(*) FROM tab;
COUNT(*)
1
#check UPDATE stmt with Where clause and a constant predicate
SET @c8=ST_GeomCollFromText('GeometryCollection(Point(10 10),LineString(20 20, 30 30))');
UPDATE tab2 SET c8=@c8
WHERE c2=ST_LineStringFromWKB(ST_AsWKB(ST_LineFromText('LINESTRING(10 10,20 20,30 30)')));
#check the column should be modified to LINESTRING(10 10,20 20,30 30)
SELECT ST_AsText(c8) From tab2;
ST_AsText(c8)
GEOMETRYCOLLECTION(POINT(10 10),LINESTRING(20 20,30 30))
#check GIS datatypes with aggregate functions
SELECT COUNT(ST_AsText(g)) FROM gis_point;
COUNT(ST_AsText(g))
4
SELECT COUNT(ST_AsText(g)) FROM gis_line;
COUNT(ST_AsText(g))
3
SELECT COUNT(ST_AsText(g)) FROM gis_polygon;
COUNT(ST_AsText(g))
3
SELECT COUNT(ST_AsText(g)) FROM gis_multi_point;
COUNT(ST_AsText(g))
3
SELECT COUNT(ST_AsText(g)) FROM gis_multi_line;
COUNT(ST_AsText(g))
3
SELECT COUNT(ST_AsText(g)) FROM gis_multi_polygon;
COUNT(ST_AsText(g))
3
SELECT COUNT(ST_AsText(g)) FROM gis_geometrycollection;
COUNT(ST_AsText(g))
3
SELECT COUNT(ST_AsText(g)) FROM gis_geometry;
COUNT(ST_AsText(g))
22
SELECT SUM(ST_AsText(g)) FROM gis_point;
SUM(ST_AsText(g))
0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(10 10)'
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(20 10)'
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(20 20)'
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(10 20)'
SELECT SUM(ST_AsText(g)) FROM gis_line;
SUM(ST_AsText(g))
0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'LINESTRING(0 0,0 10,10 0)'
Warning 1292 Truncated incorrect DOUBLE value: 'LINESTRING(10 10,20 10,20 20,10 20,10 10)'
Warning 1292 Truncated incorrect DOUBLE value: 'LINESTRING(10 10,40 10)'
SELECT AVG(ST_AsText(g)) FROM gis_polygon;
AVG(ST_AsText(g))
0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'POLYGON((10 10,20 10,20 20,10 20,10 10))'
Warning 1292 Truncated incorrect DOUBLE value: 'POLYGON((0 0,50 0,50 50,0 50,0 0),(10 10,20 10,20 20,10 20,10 10))'
Warning 1292 Truncated incorrect DOUBLE value: 'POLYGON((0 0,30 0,30 30,0 0))'
#here it show some string value no meaning
SELECT MAX(ST_AsText(g)) FROM gis_multi_point;
MAX(ST_AsText(g))
MULTIPOINT((3 6),(4 10))
#here it show some string value no meaning
SELECT MIN(ST_AsText(g)) FROM gis_multi_line;
MIN(ST_AsText(g))
MULTILINESTRING((1 2,3 5),(2 5,5 8,21 7))
SELECT STD(ST_AsText(g)) FROM gis_multi_polygon;
STD(ST_AsText(g))
0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOLYGON(((0 3,3 3,3 0,0 3)))'
SELECT COUNT(ST_AsText(g)) FROM gis_geometrycollection;
COUNT(ST_AsText(g))
3
SELECT AVG(ST_AsText(g)) FROM gis_geometry;
AVG(ST_AsText(g))
0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(10 10)'
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(20 10)'
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(20 20)'
Warning 1292 Truncated incorrect DOUBLE value: 'POINT(10 20)'
Warning 1292 Truncated incorrect DOUBLE value: 'LINESTRING(0 0,0 10,10 0)'
Warning 1292 Truncated incorrect DOUBLE value: 'LINESTRING(10 10,20 10,20 20,10 20,10 10)'
Warning 1292 Truncated incorrect DOUBLE value: 'LINESTRING(10 10,40 10)'
Warning 1292 Truncated incorrect DOUBLE value: 'POLYGON((10 10,20 10,20 20,10 20,10 10))'
Warning 1292 Truncated incorrect DOUBLE value: 'POLYGON((0 0,50 0,50 50,0 50,0 0),(10 10,20 10,20 20,10 20,10 10))'
Warning 1292 Truncated incorrect DOUBLE value: 'POLYGON((0 0,30 0,30 30,0 0))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOINT((0 0),(10 10),(10 20),(20 20))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOINT((1 1),(11 11),(11 21),(21 21))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOINT((3 6),(4 10))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTILINESTRING((10 48,10 21,10 0),(16 0,16 23,16 48))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTILINESTRING((10 48,10 21,10 0))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTILINESTRING((1 2,3 5),(2 5,5 8,21 7))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))'
Warning 1292 Truncated incorrect DOUBLE value: 'MULTIPOLYGON(((0 3,3 3,3 0,0 3)))'
Warning 1292 Truncated incorrect DOUBLE value: 'GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))'
Warning 1292 Truncated incorrect DOUBLE value: 'GEOMETRYCOLLECTION(POINT(10 10),LINESTRING(10 10,20 20))'
Warning 1292 Truncated incorrect DOUBLE value: 'GEOMETRYCOLLECTION(POINT(44 6),LINESTRING(3 6,7 9))'
#check Datatypes with compression tables
CREATE TABLE tab3(c1 POINT,c2 LINESTRING,c3 POLYGON,C4 MULTIPOINT,c5 MULTILINESTRING ,
c6 MULTIPOLYGON,c7 GEOMETRYCOLLECTION ,c8 GEOMETRY) ENGINE=InnoDB
KEY_BLOCK_SIZE=8 ROW_FORMAT=COMPRESSED;
#check file format
SHOW CREATE TABLE tab3;
Table Create Table
tab3 CREATE TABLE `tab3` (
`c1` point DEFAULT NULL,
`c2` linestring DEFAULT NULL,
`c3` polygon DEFAULT NULL,
`C4` multipoint DEFAULT NULL,
`c5` multilinestring DEFAULT NULL,
`c6` multipolygon DEFAULT NULL,
`c7` geomcollection DEFAULT NULL,
`c8` geometry DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=key_block_size
ALTER TABLE tab3 KEY_BLOCK_SIZE=16 ROW_FORMAT=Dynamic;
#check file format
SHOW CREATE TABLE tab3;
Table Create Table
tab3 CREATE TABLE `tab3` (
`c1` point DEFAULT NULL,
`c2` linestring DEFAULT NULL,
`c3` polygon DEFAULT NULL,
`C4` multipoint DEFAULT NULL,
`c5` multilinestring DEFAULT NULL,
`c6` multipolygon DEFAULT NULL,
`c7` geomcollection DEFAULT NULL,
`c8` geometry DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC
#check information schema for all the columns refer to 14, except POINT which is 15
SELECT sc.name, sc.pos, sc.mtype
FROM information_schema.innodb_columns sc
INNER JOIN information_schema.innodb_tables st
ON sc.TABLE_ID=st.TABLE_ID
WHERE st.NAME='test/tab3'
ORDER BY sc.name;
name pos mtype
c1 0 14
c2 1 14
c3 2 14
C4 3 14
c5 4 14
c6 5 14
c7 6 14
c8 7 14
#check Perform convesrion before INSERT using WKT functions
SET @c1=ST_PointFromText('POINT(10 10)');
SET @c2=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
SET @c3=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
SET @c4=ST_MPointFromText('MULTIPOINT(0 0,5 5,10 10,20 20)');
SET @c5=ST_MLineFromText('MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))');
SET @c6=ST_MPolyFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))');
SET @c7=ST_GeomCollFromText('GEOMETRYCOLLECTION(POINT(0 0), LINESTRING(0 0,10 10))');
SET @c8=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
#Insert the spatial values
INSERT INTO tab3 VALUES(@c1,@c2,@c3,@c4,@c5,@c6,@c7,@c8);
#check index on GIS datatypes
CREATE INDEX idx1 on tab3(c2(5) DESC) USING BTREE;
ERROR HY000: The index type BTREE is not supported for spatial indexes.
CREATE INDEX idx3 on tab3(c3(5) ASC) USING BTREE;
ERROR HY000: The index type BTREE is not supported for spatial indexes.
CREATE UNIQUE INDEX idx2 on tab3(c8(5) ASC) ;
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
#check equality predicate on the index columns
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab3
WHERE c2=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c2` = <cache>(st_linefromtext('LINESTRING(10 10,20 20,30 30)')))
#check index with WKB function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8)
FROM tab3 WHERE c2=ST_LineStringFromWKB(ST_AsWKB(ST_LineFromText('LINESTRING(10 10,20 20,30 30)')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c2` = <cache>(st_linestringfromwkb(st_aswkb(st_linefromtext('LINESTRING(10 10,20 20,30 30)')))))
#check index with WKT function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab3
WHERE c3=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c3` = <cache>(st_polyfromtext('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))')))
#check index with WKB function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8)
FROM tab3
WHERE c3=ST_PolyFromWKB(ST_AsWkB(ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c3` = <cache>(st_polyfromwkb(st_aswkb(st_polyfromtext('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))')))))
#check index with WKT function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab3
WHERE c8=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c8` = <cache>(st_geomcollfromtext('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')))
#check index with WKB function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8)
FROM tab3
WHERE c8=ST_GeometryFromWKB(ST_AsWKB(ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c8` = <cache>(st_geometryfromwkb(st_aswkb(st_geomcollfromtext('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')))))
#check range predicate on the index columns
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab3
WHERE c2>=ST_LineFromText('LINESTRING(10 10,20 20,30 30)');
ERROR HY000: Incorrect arguments to >=
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab3
WHERE c3>=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
ERROR HY000: Incorrect arguments to >=
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab3
WHERE c8>=ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))');
ERROR HY000: Incorrect arguments to >=
#check index with DELETE operation
EXPLAIN DELETE FROM tab3
WHERE c8=ST_GeometryFromWKB(ST_AsWKB(ST_GeomCollFromText('GeometryCollection(Point(1 1),LineString(2 2, 3 3))')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 DELETE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 delete from `test`.`tab3` where (`test`.`tab3`.`c8` = st_geometryfromwkb(st_aswkb(st_geomcollfromtext('GeometryCollection(Point(1 1),LineString(2 2, 3 3))'))))
#check the spatial values
SELECT ST_AsText(c1) FROM tab3;
ST_AsText(c1)
POINT(10 10)
SELECT ST_AsText(c2) FROM tab3;
ST_AsText(c2)
LINESTRING(10 10,20 20,30 30)
SELECT ST_AsText(c3) FROM tab3;
ST_AsText(c3)
POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))
SELECT ST_AsText(c4) FROM tab3;
ST_AsText(c4)
MULTIPOINT((0 0),(5 5),(10 10),(20 20))
SELECT ST_AsText(c5) FROM tab3;
ST_AsText(c5)
MULTILINESTRING((1 1,2 2,3 3),(10 10,20 20,30 30))
SELECT ST_AsText(c6) FROM tab3;
ST_AsText(c6)
MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))
SELECT ST_AsText(c7) FROM tab3;
ST_AsText(c7)
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,10 10))
SELECT ST_AsText(c8) From tab3;
ST_AsText(c8)
GEOMETRYCOLLECTION(POINT(1 1),LINESTRING(2 2,3 3))
#check with Row_format = Dynamic
ALTER TABLE tab3 ROW_FORMAT=Dynamic;
#check file format
SHOW CREATE TABLE tab3;
Table Create Table
tab3 CREATE TABLE `tab3` (
`c1` point DEFAULT NULL,
`c2` linestring DEFAULT NULL,
`c3` polygon DEFAULT NULL,
`C4` multipoint DEFAULT NULL,
`c5` multilinestring DEFAULT NULL,
`c6` multipolygon DEFAULT NULL,
`c7` geomcollection DEFAULT NULL,
`c8` geometry DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC
#check index with WKB function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8)
FROM tab3 WHERE c2=ST_LineStringFromWKB(ST_AsWKB(ST_LineFromText('LINESTRING(10 10,20 20,30 30)')));
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c2` = <cache>(st_linestringfromwkb(st_aswkb(st_linefromtext('LINESTRING(10 10,20 20,30 30)')))))
#check index with WKT function
EXPLAIN SELECT ST_ASText(c1),ST_AsText(c2),ST_AsText(c8) FROM tab3
WHERE c3=ST_PolyFromText('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))');
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tab3 NULL ALL NULL NULL NULL NULL # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select st_astext(`test`.`tab3`.`c1`) AS `ST_ASText(c1)`,st_astext(`test`.`tab3`.`c2`) AS `ST_AsText(c2)`,st_astext(`test`.`tab3`.`c8`) AS `ST_AsText(c8)` from `test`.`tab3` where (`test`.`tab3`.`c3` = <cache>(st_polyfromtext('POLYGON((0 0,5 5,10 10,15 15,0 0),(10 10,20 20,30 30,40 40,10 10))')))
#check the Geometry property functions
SELECT fid, ST_Dimension(g) FROM gis_geometry;
fid ST_Dimension(g)
101 0
102 0
103 0
104 0
105 1
106 1
107 1
108 2
109 2
110 2
111 0
112 0
113 0
114 1
115 1
116 1
117 2
118 2
119 2
120 1
121 1
122 1
SELECT fid, ST_GeometryType(g) FROM gis_geometry;
fid ST_GeometryType(g)
101 POINT
102 POINT
103 POINT
104 POINT
105 LINESTRING
106 LINESTRING
107 LINESTRING
108 POLYGON
109 POLYGON
110 POLYGON
111 MULTIPOINT
112 MULTIPOINT
113 MULTIPOINT
114 MULTILINESTRING
115 MULTILINESTRING
116 MULTILINESTRING
117 MULTIPOLYGON
118 MULTIPOLYGON
119 MULTIPOLYGON
120 GEOMCOLLECTION
121 GEOMCOLLECTION
122 GEOMCOLLECTION
SELECT fid, ST_IsEmpty(g) FROM gis_geometry;
fid ST_IsEmpty(g)
101 0
102 0
103 0
104 0
105 0
106 0
107 0
108 0
109 0
110 0
111 0
112 0
113 0
114 0
115 0
116 0
117 0
118 0
119 0
120 0
121 0
122 0
SELECT fid, ST_AsText(ST_Envelope(g)) FROM gis_geometry;
fid ST_AsText(ST_Envelope(g))
101 POINT(10 10)
102 POINT(20 10)
103 POINT(20 20)
104 POINT(10 20)
105 POLYGON((0 0,10 0,10 10,0 10,0 0))
106 POLYGON((10 10,20 10,20 20,10 20,10 10))
107 LINESTRING(10 10,40 10)
108 POLYGON((10 10,20 10,20 20,10 20,10 10))
109 POLYGON((0 0,50 0,50 50,0 50,0 0))
110 POLYGON((0 0,30 0,30 30,0 30,0 0))
111 POLYGON((0 0,20 0,20 20,0 20,0 0))
112 POLYGON((1 1,21 1,21 21,1 21,1 1))
113 POLYGON((3 6,4 6,4 10,3 10,3 6))
114 POLYGON((10 0,16 0,16 48,10 48,10 0))
115 LINESTRING(10 0,10 48)
116 POLYGON((1 2,21 2,21 8,1 8,1 2))
117 POLYGON((28 0,84 0,84 42,28 42,28 0))
118 POLYGON((28 0,84 0,84 42,28 42,28 0))
119 POLYGON((0 0,3 0,3 3,0 3,0 0))
120 POLYGON((0 0,10 0,10 10,0 10,0 0))
121 POLYGON((10 10,20 10,20 20,10 20,10 10))
122 POLYGON((3 6,44 6,44 9,3 9,3 6))
explain select ST_Dimension(g), ST_GeometryType(g), ST_IsEmpty(g), ST_AsText(ST_Envelope(g)) from gis_geometry;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_geometry NULL ALL NULL NULL NULL NULL # 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select st_dimension(`test`.`gis_geometry`.`g`) AS `ST_Dimension(g)`,st_geometrytype(`test`.`gis_geometry`.`g`) AS `ST_GeometryType(g)`,st_isempty(`test`.`gis_geometry`.`g`) AS `ST_IsEmpty(g)`,st_astext(st_envelope(`test`.`gis_geometry`.`g`)) AS `ST_AsText(ST_Envelope(g))` from `test`.`gis_geometry`
#check Geometry point functions
SELECT fid, ST_X(g) FROM gis_point;
fid ST_X(g)
101 10
102 20
103 20
104 10
SELECT fid, ST_Y(g) FROM gis_point;
fid ST_Y(g)
101 10
102 10
103 20
104 20
explain select ST_X(g),ST_Y(g) FROM gis_point;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_point NULL ALL NULL NULL NULL NULL # 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select st_x(`test`.`gis_point`.`g`) AS `ST_X(g)`,st_y(`test`.`gis_point`.`g`) AS `ST_Y(g)` from `test`.`gis_point`
SELECT fid, ST_AsText(ST_StartPoint(g)) FROM gis_line;
fid ST_AsText(ST_StartPoint(g))
105 POINT(0 0)
106 POINT(10 10)
107 POINT(10 10)
SELECT fid, ST_AsText(ST_EndPoint(g)) FROM gis_line;
fid ST_AsText(ST_EndPoint(g))
105 POINT(10 0)
106 POINT(10 10)
107 POINT(40 10)
SELECT fid, ST_Length(g) FROM gis_line;
fid ST_Length(g)
105 24.14213562373095
106 40
107 30
SELECT fid, ST_NumPoints(g) FROM gis_line;
fid ST_NumPoints(g)
105 3
106 5
107 2
SELECT fid, ST_AsText(ST_PointN(g, 2)) FROM gis_line;
fid ST_AsText(ST_PointN(g, 2))
105 POINT(0 10)
106 POINT(20 10)
107 POINT(40 10)
SELECT fid, ST_IsClosed(g) FROM gis_line;
fid ST_IsClosed(g)
105 0
106 1
107 0
explain select ST_AsText(ST_StartPoint(g)),ST_AsText(ST_EndPoint(g)),
ST_Length(g),ST_NumPoints(g),ST_AsText(ST_PointN(g, 2)),ST_IsClosed(g) FROM gis_line;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_line NULL ALL NULL NULL NULL NULL # 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select st_astext(st_startpoint(`test`.`gis_line`.`g`)) AS `ST_AsText(ST_StartPoint(g))`,st_astext(st_endpoint(`test`.`gis_line`.`g`)) AS `ST_AsText(ST_EndPoint(g))`,st_length(`test`.`gis_line`.`g`) AS `ST_Length(g)`,st_numpoints(`test`.`gis_line`.`g`) AS `ST_NumPoints(g)`,st_astext(st_pointn(`test`.`gis_line`.`g`,2)) AS `ST_AsText(ST_PointN(g, 2))`,st_isclosed(`test`.`gis_line`.`g`) AS `ST_IsClosed(g)` from `test`.`gis_line`
SELECT fid, ST_AsText(ST_Centroid(g)) FROM gis_polygon;
fid ST_AsText(ST_Centroid(g))
108 POINT(15 15)
109 POINT(25.416666666666668 25.416666666666668)
110 POINT(20 10)
SELECT fid, ST_Area(g) FROM gis_polygon;
fid ST_Area(g)
108 100
109 2400
110 450
SELECT fid, ST_AsText(ST_ExteriorRing(g)) FROM gis_polygon;
fid ST_AsText(ST_ExteriorRing(g))
108 LINESTRING(10 10,20 10,20 20,10 20,10 10)
109 LINESTRING(0 0,50 0,50 50,0 50,0 0)
110 LINESTRING(0 0,30 0,30 30,0 0)
SELECT fid, ST_NumInteriorRings(g) FROM gis_polygon;
fid ST_NumInteriorRings(g)
108 0
109 1
110 0
SELECT fid, ST_AsText(ST_InteriorRingN(g, 1)) FROM gis_polygon;
fid ST_AsText(ST_InteriorRingN(g, 1))
108 NULL
109 LINESTRING(10 10,20 10,20 20,10 20,10 10)
110 NULL
explain select ST_AsText(ST_Centroid(g)),ST_Area(g),ST_AsText(ST_ExteriorRing(g)),
ST_NumInteriorRings(g),ST_AsText(ST_InteriorRingN(g, 1)) FROM gis_polygon;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_polygon NULL ALL NULL NULL NULL NULL # 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select st_astext(st_centroid(`test`.`gis_polygon`.`g`)) AS `ST_AsText(ST_Centroid(g))`,st_area(`test`.`gis_polygon`.`g`) AS `ST_Area(g)`,st_astext(st_exteriorring(`test`.`gis_polygon`.`g`)) AS `ST_AsText(ST_ExteriorRing(g))`,st_numinteriorrings(`test`.`gis_polygon`.`g`) AS `ST_NumInteriorRings(g)`,st_astext(st_interiorringn(`test`.`gis_polygon`.`g`,1)) AS `ST_AsText(ST_InteriorRingN(g, 1))` from `test`.`gis_polygon`
SELECT fid, ST_IsClosed(g) FROM gis_multi_line;
fid ST_IsClosed(g)
114 0
115 0
116 0
SELECT fid, ST_AsText(ST_Centroid(g)) FROM gis_multi_polygon;
fid ST_AsText(ST_Centroid(g))
117 POINT(57.98031067576927 17.854754130800437)
118 POINT(57.98031067576927 17.854754130800437)
119 POINT(2 2)
SELECT fid, ST_Area(g) FROM gis_multi_polygon;
fid ST_Area(g)
117 1684.5
118 1684.5
119 4.5
SELECT fid, ST_NumGeometries(g) from gis_multi_point;
fid ST_NumGeometries(g)
111 4
112 4
113 2
SELECT fid, ST_NumGeometries(g) from gis_multi_line;
fid ST_NumGeometries(g)
114 2
115 1
116 2
SELECT fid, ST_NumGeometries(g) from gis_multi_polygon;
fid ST_NumGeometries(g)
117 2
118 2
119 1
SELECT fid, ST_NumGeometries(g) from gis_geometrycollection;
fid ST_NumGeometries(g)
120 2
121 2
122 2
explain SELECT fid, ST_NumGeometries(g) from gis_multi_point;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_multi_point NULL ALL NULL NULL NULL NULL # 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`gis_multi_point`.`fid` AS `fid`,st_numgeometries(`test`.`gis_multi_point`.`g`) AS `ST_NumGeometries(g)` from `test`.`gis_multi_point`
SELECT fid, ST_AsText(ST_GeometryN(g, 2)) from gis_multi_point;
fid ST_AsText(ST_GeometryN(g, 2))
111 POINT(10 10)
112 POINT(11 11)
113 POINT(4 10)
SELECT fid, ST_AsText(ST_GeometryN(g, 2)) from gis_multi_line;
fid ST_AsText(ST_GeometryN(g, 2))
114 LINESTRING(16 0,16 23,16 48)
115 NULL
116 LINESTRING(2 5,5 8,21 7)
SELECT fid, ST_AsText(ST_GeometryN(g, 2)) from gis_multi_polygon;
fid ST_AsText(ST_GeometryN(g, 2))
117 POLYGON((59 18,67 18,67 13,59 13,59 18))
118 POLYGON((59 18,67 18,67 13,59 13,59 18))
119 NULL
SELECT fid, ST_AsText(ST_GeometryN(g, 2)) from gis_geometrycollection;
fid ST_AsText(ST_GeometryN(g, 2))
120 LINESTRING(0 0,10 10)
121 LINESTRING(10 10,20 20)
122 LINESTRING(3 6,7 9)
SELECT fid, ST_AsText(ST_GeometryN(g, 1)) from gis_geometrycollection;
fid ST_AsText(ST_GeometryN(g, 1))
120 POINT(0 0)
121 POINT(10 10)
122 POINT(44 6)
explain SELECT fid, ST_AsText(ST_GeometryN(g, 2)) from gis_multi_point;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE gis_multi_point NULL ALL NULL NULL NULL NULL # 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`gis_multi_point`.`fid` AS `fid`,st_astext(st_geometryn(`test`.`gis_multi_point`.`g`,2)) AS `ST_AsText(ST_GeometryN(g, 2))` from `test`.`gis_multi_point`
SELECT g1.fid as first, g2.fid as second,
MBRWithin(g1.g, g2.g) as w, MBRContains(g1.g, g2.g) as c, MBROverlaps(g1.g, g2.g) as o,
MBREquals(g1.g, g2.g) as e, MBRDisjoint(g1.g, g2.g) as d, ST_Touches(g1.g, g2.g) as t,
MBRIntersects(g1.g, g2.g) as i, ST_Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
first second w c o e d t i r
120 120 1 1 0 1 0 0 1 0
120 121 0 0 0 0 0 1 1 0
120 122 0 0 1 0 0 0 1 0
121 120 0 0 0 0 0 1 1 0
121 121 1 1 0 1 0 0 1 0
121 122 0 0 0 0 1 0 0 0
122 120 0 0 1 0 0 0 1 0
122 121 0 0 0 0 1 0 0 0
122 122 1 1 0 1 0 0 1 0
explain SELECT g1.fid as first, g2.fid as second,
MBRWithin(g1.g, g2.g) as w, MBRContains(g1.g, g2.g) as c, MBROverlaps(g1.g, g2.g) as o,
MBREquals(g1.g, g2.g) as e, MBRDisjoint(g1.g, g2.g) as d, ST_Touches(g1.g, g2.g) as t,
MBRIntersects(g1.g, g2.g) as i, ST_Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE g1 NULL ALL NULL NULL NULL NULL # 100.00 Using temporary; Using filesort
1 SIMPLE g2 NULL ALL NULL NULL NULL NULL # 100.00 Using join buffer (hash join)
Warnings:
Note 1003 /* select#1 */ select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,mbrwithin(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,mbrcontains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,mbroverlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,mbrequals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,mbrdisjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,st_touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,mbrintersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,st_crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `first`,`second`
# check support of Foreign Key constraint
CREATE TABLE parent (id GEOMETRY NOT NULL,PRIMARY KEY (id(10))) ENGINE=INNODB;
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
CREATE TABLE child (id GEOMETRY, parent_id GEOMETRY,
INDEX par_ind (parent_id(10)),
FOREIGN KEY (parent_id(10)) REFERENCES parent(id)
ON DELETE CASCADE
) ENGINE=INNODB;
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
#check partition table support
CREATE TABLE emp2(
id GEOMETRY NOT NULL,
store_name VARCHAR(30),
parts VARCHAR(30),
store_id GEOMETRY
)
PARTITION BY LIST(store_id) (
PARTITION pNorth VALUES IN (10,20,30) ,
PARTITION pEast VALUES IN (40,50,60) ,
PARTITION pWest VALUES IN (70,80,100)
);
ERROR 42000: The storage engine for the table doesn't support GEOMETRY
#check start transaction commit & Rollback
START TRANSACTION;
DELETE FROM tab3;
ROLLBACK;
SELECT COUNT(*) FROM tab3;
COUNT(*)
1
START TRANSACTION;
DELETE FROM tab3;
COMMIT;
SELECT COUNT(*) FROM tab3;
COUNT(*)
0
DROP TABLE IF EXISTS gis_point, gis_line, gis_polygon, gis_multi_point;
DROP TABLE IF EXISTS gis_multi_line, gis_multi_polygon;
DROP TABLE IF EXISTS gis_geometrycollection, gis_geometry;
DROP TABLE IF EXISTS tab,tab2,tab3,parent,emp2;
Warnings:
Note 1051 Unknown table 'test.parent'
Note 1051 Unknown table 'test.emp2'
DROP PROCEDURE IF EXISTS geominout;
DROP PROCEDURE IF EXISTS geom_insert;
DROP TRIGGER IF EXISTS geom_trigger;
Warnings:
Note 1360 Trigger does not exist
DROP PROCEDURE IF EXISTS geom_cursor;
|