pgLatLon
diff latlon--0.3.sql @ 9:dc8da756b761
Changed version to 0.3
author | jbe |
---|---|
date | Fri Sep 02 14:04:04 2016 +0200 (2016-09-02) |
parents | latlon--0.2.sql@8f79d4a1cdc1 |
children | 684a78d2f9f0 |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/latlon--0.3.sql Fri Sep 02 14:04:04 2016 +0200 1.3 @@ -0,0 +1,1205 @@ 1.4 + 1.5 +---------------------------------------- 1.6 +-- forward declarations (shell types) -- 1.7 +---------------------------------------- 1.8 + 1.9 +CREATE TYPE epoint; 1.10 +CREATE TYPE ebox; 1.11 +CREATE TYPE ecircle; 1.12 +CREATE TYPE ecluster; 1.13 + 1.14 + 1.15 +------------------------------------------------------------ 1.16 +-- dummy input/output functions for dummy index key types -- 1.17 +------------------------------------------------------------ 1.18 + 1.19 +CREATE FUNCTION ekey_point_in_dummy(cstring) 1.20 + RETURNS ekey_point 1.21 + LANGUAGE C IMMUTABLE STRICT 1.22 + AS '$libdir/latlon-v0003', 'pgl_notimpl'; 1.23 + 1.24 +CREATE FUNCTION ekey_point_out_dummy(ekey_point) 1.25 + RETURNS cstring 1.26 + LANGUAGE C IMMUTABLE STRICT 1.27 + AS '$libdir/latlon-v0003', 'pgl_notimpl'; 1.28 + 1.29 +CREATE FUNCTION ekey_area_in_dummy(cstring) 1.30 + RETURNS ekey_area 1.31 + LANGUAGE C IMMUTABLE STRICT 1.32 + AS '$libdir/latlon-v0003', 'pgl_notimpl'; 1.33 + 1.34 +CREATE FUNCTION ekey_area_out_dummy(ekey_area) 1.35 + RETURNS cstring 1.36 + LANGUAGE C IMMUTABLE STRICT 1.37 + AS '$libdir/latlon-v0003', 'pgl_notimpl'; 1.38 + 1.39 + 1.40 +-------------------------- 1.41 +-- text input functions -- 1.42 +-------------------------- 1.43 + 1.44 +CREATE FUNCTION epoint_in(cstring) 1.45 + RETURNS epoint 1.46 + LANGUAGE C IMMUTABLE STRICT 1.47 + AS '$libdir/latlon-v0003', 'pgl_epoint_in'; 1.48 + 1.49 +CREATE FUNCTION ebox_in(cstring) 1.50 + RETURNS ebox 1.51 + LANGUAGE C IMMUTABLE STRICT 1.52 + AS '$libdir/latlon-v0003', 'pgl_ebox_in'; 1.53 + 1.54 +CREATE FUNCTION ecircle_in(cstring) 1.55 + RETURNS ecircle 1.56 + LANGUAGE C IMMUTABLE STRICT 1.57 + AS '$libdir/latlon-v0003', 'pgl_ecircle_in'; 1.58 + 1.59 +CREATE FUNCTION ecluster_in(cstring) 1.60 + RETURNS ecluster 1.61 + LANGUAGE C IMMUTABLE STRICT 1.62 + AS '$libdir/latlon-v0003', 'pgl_ecluster_in'; 1.63 + 1.64 + 1.65 +--------------------------- 1.66 +-- text output functions -- 1.67 +--------------------------- 1.68 + 1.69 +CREATE FUNCTION epoint_out(epoint) 1.70 + RETURNS cstring 1.71 + LANGUAGE C IMMUTABLE STRICT 1.72 + AS '$libdir/latlon-v0003', 'pgl_epoint_out'; 1.73 + 1.74 +CREATE FUNCTION ebox_out(ebox) 1.75 + RETURNS cstring 1.76 + LANGUAGE C IMMUTABLE STRICT 1.77 + AS '$libdir/latlon-v0003', 'pgl_ebox_out'; 1.78 + 1.79 +CREATE FUNCTION ecircle_out(ecircle) 1.80 + RETURNS cstring 1.81 + LANGUAGE C IMMUTABLE STRICT 1.82 + AS '$libdir/latlon-v0003', 'pgl_ecircle_out'; 1.83 + 1.84 +CREATE FUNCTION ecluster_out(ecluster) 1.85 + RETURNS cstring 1.86 + LANGUAGE C IMMUTABLE STRICT 1.87 + AS '$libdir/latlon-v0003', 'pgl_ecluster_out'; 1.88 + 1.89 + 1.90 +-------------------------- 1.91 +-- binary I/O functions -- 1.92 +-------------------------- 1.93 + 1.94 +CREATE FUNCTION epoint_recv(internal) 1.95 + RETURNS epoint 1.96 + LANGUAGE C IMMUTABLE STRICT 1.97 + AS '$libdir/latlon-v0003', 'pgl_epoint_recv'; 1.98 + 1.99 +CREATE FUNCTION ebox_recv(internal) 1.100 + RETURNS ebox 1.101 + LANGUAGE C IMMUTABLE STRICT 1.102 + AS '$libdir/latlon-v0003', 'pgl_ebox_recv'; 1.103 + 1.104 +CREATE FUNCTION ecircle_recv(internal) 1.105 + RETURNS ecircle 1.106 + LANGUAGE C IMMUTABLE STRICT 1.107 + AS '$libdir/latlon-v0003', 'pgl_ecircle_recv'; 1.108 + 1.109 +CREATE FUNCTION epoint_send(epoint) 1.110 + RETURNS bytea 1.111 + LANGUAGE C IMMUTABLE STRICT 1.112 + AS '$libdir/latlon-v0003', 'pgl_epoint_send'; 1.113 + 1.114 +CREATE FUNCTION ebox_send(ebox) 1.115 + RETURNS bytea 1.116 + LANGUAGE C IMMUTABLE STRICT 1.117 + AS '$libdir/latlon-v0003', 'pgl_ebox_send'; 1.118 + 1.119 +CREATE FUNCTION ecircle_send(ecircle) 1.120 + RETURNS bytea 1.121 + LANGUAGE C IMMUTABLE STRICT 1.122 + AS '$libdir/latlon-v0003', 'pgl_ecircle_send'; 1.123 + 1.124 + 1.125 +----------------------------------------------- 1.126 +-- type definitions of dummy index key types -- 1.127 +----------------------------------------------- 1.128 + 1.129 +CREATE TYPE ekey_point ( 1.130 + internallength = 8, 1.131 + input = ekey_point_in_dummy, 1.132 + output = ekey_point_out_dummy, 1.133 + alignment = char ); 1.134 + 1.135 +CREATE TYPE ekey_area ( 1.136 + internallength = 9, 1.137 + input = ekey_area_in_dummy, 1.138 + output = ekey_area_out_dummy, 1.139 + alignment = char ); 1.140 + 1.141 + 1.142 +------------------------------------------ 1.143 +-- definitions of geographic data types -- 1.144 +------------------------------------------ 1.145 + 1.146 +CREATE TYPE epoint ( 1.147 + internallength = 16, 1.148 + input = epoint_in, 1.149 + output = epoint_out, 1.150 + receive = epoint_recv, 1.151 + send = epoint_send, 1.152 + alignment = double ); 1.153 + 1.154 +CREATE TYPE ebox ( 1.155 + internallength = 32, 1.156 + input = ebox_in, 1.157 + output = ebox_out, 1.158 + receive = ebox_recv, 1.159 + send = ebox_send, 1.160 + alignment = double ); 1.161 + 1.162 +CREATE TYPE ecircle ( 1.163 + internallength = 24, 1.164 + input = ecircle_in, 1.165 + output = ecircle_out, 1.166 + receive = ecircle_recv, 1.167 + send = ecircle_send, 1.168 + alignment = double ); 1.169 + 1.170 +CREATE TYPE ecluster ( 1.171 + internallength = VARIABLE, 1.172 + input = ecluster_in, 1.173 + output = ecluster_out, 1.174 + alignment = double, 1.175 + storage = external ); 1.176 + 1.177 + 1.178 +-------------------- 1.179 +-- B-tree support -- 1.180 +-------------------- 1.181 + 1.182 +-- begin of B-tree support for epoint 1.183 + 1.184 +CREATE FUNCTION epoint_btree_lt(epoint, epoint) 1.185 + RETURNS boolean 1.186 + LANGUAGE C IMMUTABLE STRICT 1.187 + AS '$libdir/latlon-v0003', 'pgl_btree_epoint_lt'; 1.188 + 1.189 +CREATE FUNCTION epoint_btree_le(epoint, epoint) 1.190 + RETURNS boolean 1.191 + LANGUAGE C IMMUTABLE STRICT 1.192 + AS '$libdir/latlon-v0003', 'pgl_btree_epoint_le'; 1.193 + 1.194 +CREATE FUNCTION epoint_btree_eq(epoint, epoint) 1.195 + RETURNS boolean 1.196 + LANGUAGE C IMMUTABLE STRICT 1.197 + AS '$libdir/latlon-v0003', 'pgl_btree_epoint_eq'; 1.198 + 1.199 +CREATE FUNCTION epoint_btree_ne(epoint, epoint) 1.200 + RETURNS boolean 1.201 + LANGUAGE C IMMUTABLE STRICT 1.202 + AS '$libdir/latlon-v0003', 'pgl_btree_epoint_ne'; 1.203 + 1.204 +CREATE FUNCTION epoint_btree_ge(epoint, epoint) 1.205 + RETURNS boolean 1.206 + LANGUAGE C IMMUTABLE STRICT 1.207 + AS '$libdir/latlon-v0003', 'pgl_btree_epoint_ge'; 1.208 + 1.209 +CREATE FUNCTION epoint_btree_gt(epoint, epoint) 1.210 + RETURNS boolean 1.211 + LANGUAGE C IMMUTABLE STRICT 1.212 + AS '$libdir/latlon-v0003', 'pgl_btree_epoint_gt'; 1.213 + 1.214 +CREATE OPERATOR <<< ( 1.215 + leftarg = epoint, 1.216 + rightarg = epoint, 1.217 + procedure = epoint_btree_lt, 1.218 + commutator = >>>, 1.219 + negator = >>>=, 1.220 + restrict = scalarltsel, 1.221 + join = scalarltjoinsel 1.222 +); 1.223 + 1.224 +CREATE OPERATOR <<<= ( 1.225 + leftarg = epoint, 1.226 + rightarg = epoint, 1.227 + procedure = epoint_btree_le, 1.228 + commutator = >>>=, 1.229 + negator = >>>, 1.230 + restrict = scalarltsel, 1.231 + join = scalarltjoinsel 1.232 +); 1.233 + 1.234 +CREATE OPERATOR = ( 1.235 + leftarg = epoint, 1.236 + rightarg = epoint, 1.237 + procedure = epoint_btree_eq, 1.238 + commutator = =, 1.239 + negator = <>, 1.240 + restrict = eqsel, 1.241 + join = eqjoinsel, 1.242 + merges 1.243 +); 1.244 + 1.245 +CREATE OPERATOR <> ( 1.246 + leftarg = epoint, 1.247 + rightarg = epoint, 1.248 + procedure = epoint_btree_eq, 1.249 + commutator = <>, 1.250 + negator = =, 1.251 + restrict = neqsel, 1.252 + join = neqjoinsel 1.253 +); 1.254 + 1.255 +CREATE OPERATOR >>>= ( 1.256 + leftarg = epoint, 1.257 + rightarg = epoint, 1.258 + procedure = epoint_btree_ge, 1.259 + commutator = <<<=, 1.260 + negator = <<<, 1.261 + restrict = scalargtsel, 1.262 + join = scalargtjoinsel 1.263 +); 1.264 + 1.265 +CREATE OPERATOR >>> ( 1.266 + leftarg = epoint, 1.267 + rightarg = epoint, 1.268 + procedure = epoint_btree_gt, 1.269 + commutator = <<<, 1.270 + negator = <<<=, 1.271 + restrict = scalargtsel, 1.272 + join = scalargtjoinsel 1.273 +); 1.274 + 1.275 +CREATE FUNCTION epoint_btree_cmp(epoint, epoint) 1.276 + RETURNS int4 1.277 + LANGUAGE C IMMUTABLE STRICT 1.278 + AS '$libdir/latlon-v0003', 'pgl_btree_epoint_cmp'; 1.279 + 1.280 +CREATE OPERATOR CLASS epoint_btree_ops 1.281 + DEFAULT FOR TYPE epoint USING btree AS 1.282 + OPERATOR 1 <<< , 1.283 + OPERATOR 2 <<<= , 1.284 + OPERATOR 3 = , 1.285 + OPERATOR 4 >>>= , 1.286 + OPERATOR 5 >>> , 1.287 + FUNCTION 1 epoint_btree_cmp(epoint, epoint); 1.288 + 1.289 +-- end of B-tree support for epoint 1.290 + 1.291 +-- begin of B-tree support for ebox 1.292 + 1.293 +CREATE FUNCTION ebox_btree_lt(ebox, ebox) 1.294 + RETURNS boolean 1.295 + LANGUAGE C IMMUTABLE STRICT 1.296 + AS '$libdir/latlon-v0003', 'pgl_btree_ebox_lt'; 1.297 + 1.298 +CREATE FUNCTION ebox_btree_le(ebox, ebox) 1.299 + RETURNS boolean 1.300 + LANGUAGE C IMMUTABLE STRICT 1.301 + AS '$libdir/latlon-v0003', 'pgl_btree_ebox_le'; 1.302 + 1.303 +CREATE FUNCTION ebox_btree_eq(ebox, ebox) 1.304 + RETURNS boolean 1.305 + LANGUAGE C IMMUTABLE STRICT 1.306 + AS '$libdir/latlon-v0003', 'pgl_btree_ebox_eq'; 1.307 + 1.308 +CREATE FUNCTION ebox_btree_ne(ebox, ebox) 1.309 + RETURNS boolean 1.310 + LANGUAGE C IMMUTABLE STRICT 1.311 + AS '$libdir/latlon-v0003', 'pgl_btree_ebox_ne'; 1.312 + 1.313 +CREATE FUNCTION ebox_btree_ge(ebox, ebox) 1.314 + RETURNS boolean 1.315 + LANGUAGE C IMMUTABLE STRICT 1.316 + AS '$libdir/latlon-v0003', 'pgl_btree_ebox_ge'; 1.317 + 1.318 +CREATE FUNCTION ebox_btree_gt(ebox, ebox) 1.319 + RETURNS boolean 1.320 + LANGUAGE C IMMUTABLE STRICT 1.321 + AS '$libdir/latlon-v0003', 'pgl_btree_ebox_gt'; 1.322 + 1.323 +CREATE OPERATOR <<< ( 1.324 + leftarg = ebox, 1.325 + rightarg = ebox, 1.326 + procedure = ebox_btree_lt, 1.327 + commutator = >>>, 1.328 + negator = >>>=, 1.329 + restrict = scalarltsel, 1.330 + join = scalarltjoinsel 1.331 +); 1.332 + 1.333 +CREATE OPERATOR <<<= ( 1.334 + leftarg = ebox, 1.335 + rightarg = ebox, 1.336 + procedure = ebox_btree_le, 1.337 + commutator = >>>=, 1.338 + negator = >>>, 1.339 + restrict = scalarltsel, 1.340 + join = scalarltjoinsel 1.341 +); 1.342 + 1.343 +CREATE OPERATOR = ( 1.344 + leftarg = ebox, 1.345 + rightarg = ebox, 1.346 + procedure = ebox_btree_eq, 1.347 + commutator = =, 1.348 + negator = <>, 1.349 + restrict = eqsel, 1.350 + join = eqjoinsel, 1.351 + merges 1.352 +); 1.353 + 1.354 +CREATE OPERATOR <> ( 1.355 + leftarg = ebox, 1.356 + rightarg = ebox, 1.357 + procedure = ebox_btree_eq, 1.358 + commutator = <>, 1.359 + negator = =, 1.360 + restrict = neqsel, 1.361 + join = neqjoinsel 1.362 +); 1.363 + 1.364 +CREATE OPERATOR >>>= ( 1.365 + leftarg = ebox, 1.366 + rightarg = ebox, 1.367 + procedure = ebox_btree_ge, 1.368 + commutator = <<<=, 1.369 + negator = <<<, 1.370 + restrict = scalargtsel, 1.371 + join = scalargtjoinsel 1.372 +); 1.373 + 1.374 +CREATE OPERATOR >>> ( 1.375 + leftarg = ebox, 1.376 + rightarg = ebox, 1.377 + procedure = ebox_btree_gt, 1.378 + commutator = <<<, 1.379 + negator = <<<=, 1.380 + restrict = scalargtsel, 1.381 + join = scalargtjoinsel 1.382 +); 1.383 + 1.384 +CREATE FUNCTION ebox_btree_cmp(ebox, ebox) 1.385 + RETURNS int4 1.386 + LANGUAGE C IMMUTABLE STRICT 1.387 + AS '$libdir/latlon-v0003', 'pgl_btree_ebox_cmp'; 1.388 + 1.389 +CREATE OPERATOR CLASS ebox_btree_ops 1.390 + DEFAULT FOR TYPE ebox USING btree AS 1.391 + OPERATOR 1 <<< , 1.392 + OPERATOR 2 <<<= , 1.393 + OPERATOR 3 = , 1.394 + OPERATOR 4 >>>= , 1.395 + OPERATOR 5 >>> , 1.396 + FUNCTION 1 ebox_btree_cmp(ebox, ebox); 1.397 + 1.398 +-- end of B-tree support for ebox 1.399 + 1.400 +-- begin of B-tree support for ecircle 1.401 + 1.402 +CREATE FUNCTION ecircle_btree_lt(ecircle, ecircle) 1.403 + RETURNS boolean 1.404 + LANGUAGE C IMMUTABLE STRICT 1.405 + AS '$libdir/latlon-v0003', 'pgl_btree_ecircle_lt'; 1.406 + 1.407 +CREATE FUNCTION ecircle_btree_le(ecircle, ecircle) 1.408 + RETURNS boolean 1.409 + LANGUAGE C IMMUTABLE STRICT 1.410 + AS '$libdir/latlon-v0003', 'pgl_btree_ecircle_le'; 1.411 + 1.412 +CREATE FUNCTION ecircle_btree_eq(ecircle, ecircle) 1.413 + RETURNS boolean 1.414 + LANGUAGE C IMMUTABLE STRICT 1.415 + AS '$libdir/latlon-v0003', 'pgl_btree_ecircle_eq'; 1.416 + 1.417 +CREATE FUNCTION ecircle_btree_ne(ecircle, ecircle) 1.418 + RETURNS boolean 1.419 + LANGUAGE C IMMUTABLE STRICT 1.420 + AS '$libdir/latlon-v0003', 'pgl_btree_ecircle_ne'; 1.421 + 1.422 +CREATE FUNCTION ecircle_btree_ge(ecircle, ecircle) 1.423 + RETURNS boolean 1.424 + LANGUAGE C IMMUTABLE STRICT 1.425 + AS '$libdir/latlon-v0003', 'pgl_btree_ecircle_ge'; 1.426 + 1.427 +CREATE FUNCTION ecircle_btree_gt(ecircle, ecircle) 1.428 + RETURNS boolean 1.429 + LANGUAGE C IMMUTABLE STRICT 1.430 + AS '$libdir/latlon-v0003', 'pgl_btree_ecircle_gt'; 1.431 + 1.432 +CREATE OPERATOR <<< ( 1.433 + leftarg = ecircle, 1.434 + rightarg = ecircle, 1.435 + procedure = ecircle_btree_lt, 1.436 + commutator = >>>, 1.437 + negator = >>>=, 1.438 + restrict = scalarltsel, 1.439 + join = scalarltjoinsel 1.440 +); 1.441 + 1.442 +CREATE OPERATOR <<<= ( 1.443 + leftarg = ecircle, 1.444 + rightarg = ecircle, 1.445 + procedure = ecircle_btree_le, 1.446 + commutator = >>>=, 1.447 + negator = >>>, 1.448 + restrict = scalarltsel, 1.449 + join = scalarltjoinsel 1.450 +); 1.451 + 1.452 +CREATE OPERATOR = ( 1.453 + leftarg = ecircle, 1.454 + rightarg = ecircle, 1.455 + procedure = ecircle_btree_eq, 1.456 + commutator = =, 1.457 + negator = <>, 1.458 + restrict = eqsel, 1.459 + join = eqjoinsel, 1.460 + merges 1.461 +); 1.462 + 1.463 +CREATE OPERATOR <> ( 1.464 + leftarg = ecircle, 1.465 + rightarg = ecircle, 1.466 + procedure = ecircle_btree_eq, 1.467 + commutator = <>, 1.468 + negator = =, 1.469 + restrict = neqsel, 1.470 + join = neqjoinsel 1.471 +); 1.472 + 1.473 +CREATE OPERATOR >>>= ( 1.474 + leftarg = ecircle, 1.475 + rightarg = ecircle, 1.476 + procedure = ecircle_btree_ge, 1.477 + commutator = <<<=, 1.478 + negator = <<<, 1.479 + restrict = scalargtsel, 1.480 + join = scalargtjoinsel 1.481 +); 1.482 + 1.483 +CREATE OPERATOR >>> ( 1.484 + leftarg = ecircle, 1.485 + rightarg = ecircle, 1.486 + procedure = ecircle_btree_gt, 1.487 + commutator = <<<, 1.488 + negator = <<<=, 1.489 + restrict = scalargtsel, 1.490 + join = scalargtjoinsel 1.491 +); 1.492 + 1.493 +CREATE FUNCTION ecircle_btree_cmp(ecircle, ecircle) 1.494 + RETURNS int4 1.495 + LANGUAGE C IMMUTABLE STRICT 1.496 + AS '$libdir/latlon-v0003', 'pgl_btree_ecircle_cmp'; 1.497 + 1.498 +CREATE OPERATOR CLASS ecircle_btree_ops 1.499 + DEFAULT FOR TYPE ecircle USING btree AS 1.500 + OPERATOR 1 <<< , 1.501 + OPERATOR 2 <<<= , 1.502 + OPERATOR 3 = , 1.503 + OPERATOR 4 >>>= , 1.504 + OPERATOR 5 >>> , 1.505 + FUNCTION 1 ecircle_btree_cmp(ecircle, ecircle); 1.506 + 1.507 +-- end of B-tree support for ecircle 1.508 + 1.509 + 1.510 +---------------- 1.511 +-- type casts -- 1.512 +---------------- 1.513 + 1.514 +CREATE FUNCTION cast_epoint_to_ebox(epoint) 1.515 + RETURNS ebox 1.516 + LANGUAGE C IMMUTABLE STRICT 1.517 + AS '$libdir/latlon-v0003', 'pgl_epoint_to_ebox'; 1.518 + 1.519 +CREATE CAST (epoint AS ebox) WITH FUNCTION cast_epoint_to_ebox(epoint); 1.520 + 1.521 +CREATE FUNCTION cast_epoint_to_ecircle(epoint) 1.522 + RETURNS ecircle 1.523 + LANGUAGE C IMMUTABLE STRICT 1.524 + AS '$libdir/latlon-v0003', 'pgl_epoint_to_ecircle'; 1.525 + 1.526 +CREATE CAST (epoint AS ecircle) WITH FUNCTION cast_epoint_to_ecircle(epoint); 1.527 + 1.528 +CREATE FUNCTION cast_epoint_to_ecluster(epoint) 1.529 + RETURNS ecluster 1.530 + LANGUAGE C IMMUTABLE STRICT 1.531 + AS '$libdir/latlon-v0003', 'pgl_epoint_to_ecluster'; 1.532 + 1.533 +CREATE CAST (epoint AS ecluster) WITH FUNCTION cast_epoint_to_ecluster(epoint); 1.534 + 1.535 +CREATE FUNCTION cast_ebox_to_ecluster(ebox) 1.536 + RETURNS ecluster 1.537 + LANGUAGE C IMMUTABLE STRICT 1.538 + AS '$libdir/latlon-v0003', 'pgl_ebox_to_ecluster'; 1.539 + 1.540 +CREATE CAST (ebox AS ecluster) WITH FUNCTION cast_ebox_to_ecluster(ebox); 1.541 + 1.542 + 1.543 +--------------------------- 1.544 +-- constructor functions -- 1.545 +--------------------------- 1.546 + 1.547 +CREATE FUNCTION epoint(float8, float8) 1.548 + RETURNS epoint 1.549 + LANGUAGE C IMMUTABLE STRICT 1.550 + AS '$libdir/latlon-v0003', 'pgl_create_epoint'; 1.551 + 1.552 +CREATE FUNCTION epoint_latlon(float8, float8) 1.553 + RETURNS epoint 1.554 + LANGUAGE SQL IMMUTABLE STRICT AS $$ 1.555 + SELECT epoint($1, $2) 1.556 + $$; 1.557 + 1.558 +CREATE FUNCTION epoint_lonlat(float8, float8) 1.559 + RETURNS epoint 1.560 + LANGUAGE SQL IMMUTABLE STRICT AS $$ 1.561 + SELECT epoint($2, $1) 1.562 + $$; 1.563 + 1.564 +CREATE FUNCTION empty_ebox() 1.565 + RETURNS ebox 1.566 + LANGUAGE C IMMUTABLE STRICT 1.567 + AS '$libdir/latlon-v0003', 'pgl_create_empty_ebox'; 1.568 + 1.569 +CREATE FUNCTION ebox(float8, float8, float8, float8) 1.570 + RETURNS ebox 1.571 + LANGUAGE C IMMUTABLE STRICT 1.572 + AS '$libdir/latlon-v0003', 'pgl_create_ebox'; 1.573 + 1.574 +CREATE FUNCTION ebox(epoint, epoint) 1.575 + RETURNS ebox 1.576 + LANGUAGE C IMMUTABLE STRICT 1.577 + AS '$libdir/latlon-v0003', 'pgl_create_ebox_from_epoints'; 1.578 + 1.579 +CREATE FUNCTION ecircle(float8, float8, float8) 1.580 + RETURNS ecircle 1.581 + LANGUAGE C IMMUTABLE STRICT 1.582 + AS '$libdir/latlon-v0003', 'pgl_create_ecircle'; 1.583 + 1.584 +CREATE FUNCTION ecircle(epoint, float8) 1.585 + RETURNS ecircle 1.586 + LANGUAGE C IMMUTABLE STRICT 1.587 + AS '$libdir/latlon-v0003', 'pgl_create_ecircle_from_epoint'; 1.588 + 1.589 +CREATE FUNCTION ecluster_concat(ecluster[]) 1.590 + RETURNS ecluster 1.591 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.592 + SELECT array_to_string($1, ' ')::ecluster 1.593 + $$; 1.594 + 1.595 +CREATE FUNCTION ecluster_concat(ecluster, ecluster) 1.596 + RETURNS ecluster 1.597 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.598 + SELECT ($1::text || ' ' || $2::text)::ecluster 1.599 + $$; 1.600 + 1.601 +CREATE FUNCTION ecluster_create_multipoint(epoint[]) 1.602 + RETURNS ecluster 1.603 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.604 + SELECT 1.605 + array_to_string(array_agg('point (' || unnest || ')'), ' ')::ecluster 1.606 + FROM unnest($1) 1.607 + $$; 1.608 + 1.609 +CREATE FUNCTION ecluster_create_path(epoint[]) 1.610 + RETURNS ecluster 1.611 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.612 + SELECT CASE WHEN "str" = '' THEN 'empty'::ecluster ELSE 1.613 + ('path (' || array_to_string($1, ' ') || ')')::ecluster 1.614 + END 1.615 + FROM array_to_string($1, ' ') AS "str" 1.616 + $$; 1.617 + 1.618 +CREATE FUNCTION ecluster_create_outline(epoint[]) 1.619 + RETURNS ecluster 1.620 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.621 + SELECT CASE WHEN "str" = '' THEN 'empty'::ecluster ELSE 1.622 + ('outline (' || array_to_string($1, ' ') || ')')::ecluster 1.623 + END 1.624 + FROM array_to_string($1, ' ') AS "str" 1.625 + $$; 1.626 + 1.627 +CREATE FUNCTION ecluster_create_polygon(epoint[]) 1.628 + RETURNS ecluster 1.629 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.630 + SELECT CASE WHEN "str" = '' THEN 'empty'::ecluster ELSE 1.631 + ('polygon (' || array_to_string($1, ' ') || ')')::ecluster 1.632 + END 1.633 + FROM array_to_string($1, ' ') AS "str" 1.634 + $$; 1.635 + 1.636 + 1.637 +---------------------- 1.638 +-- getter functions -- 1.639 +---------------------- 1.640 + 1.641 +CREATE FUNCTION latitude(epoint) 1.642 + RETURNS float8 1.643 + LANGUAGE C IMMUTABLE STRICT 1.644 + AS '$libdir/latlon-v0003', 'pgl_epoint_lat'; 1.645 + 1.646 +CREATE FUNCTION longitude(epoint) 1.647 + RETURNS float8 1.648 + LANGUAGE C IMMUTABLE STRICT 1.649 + AS '$libdir/latlon-v0003', 'pgl_epoint_lon'; 1.650 + 1.651 +CREATE FUNCTION min_latitude(ebox) 1.652 + RETURNS float8 1.653 + LANGUAGE C IMMUTABLE STRICT 1.654 + AS '$libdir/latlon-v0003', 'pgl_ebox_lat_min'; 1.655 + 1.656 +CREATE FUNCTION max_latitude(ebox) 1.657 + RETURNS float8 1.658 + LANGUAGE C IMMUTABLE STRICT 1.659 + AS '$libdir/latlon-v0003', 'pgl_ebox_lat_max'; 1.660 + 1.661 +CREATE FUNCTION min_longitude(ebox) 1.662 + RETURNS float8 1.663 + LANGUAGE C IMMUTABLE STRICT 1.664 + AS '$libdir/latlon-v0003', 'pgl_ebox_lon_min'; 1.665 + 1.666 +CREATE FUNCTION max_longitude(ebox) 1.667 + RETURNS float8 1.668 + LANGUAGE C IMMUTABLE STRICT 1.669 + AS '$libdir/latlon-v0003', 'pgl_ebox_lon_max'; 1.670 + 1.671 +CREATE FUNCTION center(ecircle) 1.672 + RETURNS epoint 1.673 + LANGUAGE C IMMUTABLE STRICT 1.674 + AS '$libdir/latlon-v0003', 'pgl_ecircle_center'; 1.675 + 1.676 +CREATE FUNCTION radius(ecircle) 1.677 + RETURNS float8 1.678 + LANGUAGE C IMMUTABLE STRICT 1.679 + AS '$libdir/latlon-v0003', 'pgl_ecircle_radius'; 1.680 + 1.681 +CREATE FUNCTION ecluster_extract_points(ecluster) 1.682 + RETURNS SETOF epoint 1.683 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.684 + SELECT "match"[2]::epoint 1.685 + FROM regexp_matches($1::text, e'(^| )point \\(([^)]+)\\)', 'g') AS "match" 1.686 + $$; 1.687 + 1.688 +CREATE FUNCTION ecluster_extract_paths(ecluster) 1.689 + RETURNS SETOF epoint[] 1.690 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.691 + SELECT ( 1.692 + SELECT array_agg("m2"[1]::epoint) 1.693 + FROM regexp_matches("m1"[2], e'[^ ]+ [^ ]+', 'g') AS "m2" 1.694 + ) 1.695 + FROM regexp_matches($1::text, e'(^| )path \\(([^)]+)\\)', 'g') AS "m1" 1.696 + $$; 1.697 + 1.698 +CREATE FUNCTION ecluster_extract_outlines(ecluster) 1.699 + RETURNS SETOF epoint[] 1.700 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.701 + SELECT ( 1.702 + SELECT array_agg("m2"[1]::epoint) 1.703 + FROM regexp_matches("m1"[2], e'[^ ]+ [^ ]+', 'g') AS "m2" 1.704 + ) 1.705 + FROM regexp_matches($1::text, e'(^| )outline \\(([^)]+)\\)', 'g') AS "m1" 1.706 + $$; 1.707 + 1.708 +CREATE FUNCTION ecluster_extract_polygons(ecluster) 1.709 + RETURNS SETOF epoint[] 1.710 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.711 + SELECT ( 1.712 + SELECT array_agg("m2"[1]::epoint) 1.713 + FROM regexp_matches("m1"[2], e'[^ ]+ [^ ]+', 'g') AS "m2" 1.714 + ) 1.715 + FROM regexp_matches($1::text, e'(^| )polygon \\(([^)]+)\\)', 'g') AS "m1" 1.716 + $$; 1.717 + 1.718 + 1.719 +--------------- 1.720 +-- operators -- 1.721 +--------------- 1.722 + 1.723 +CREATE FUNCTION epoint_ebox_overlap_proc(epoint, ebox) 1.724 + RETURNS boolean 1.725 + LANGUAGE C IMMUTABLE STRICT 1.726 + AS '$libdir/latlon-v0003', 'pgl_epoint_ebox_overlap'; 1.727 + 1.728 +CREATE FUNCTION epoint_ecircle_overlap_proc(epoint, ecircle) 1.729 + RETURNS boolean 1.730 + LANGUAGE C IMMUTABLE STRICT 1.731 + AS '$libdir/latlon-v0003', 'pgl_epoint_ecircle_overlap'; 1.732 + 1.733 +CREATE FUNCTION epoint_ecluster_overlap_proc(epoint, ecluster) 1.734 + RETURNS boolean 1.735 + LANGUAGE C IMMUTABLE STRICT 1.736 + AS '$libdir/latlon-v0003', 'pgl_epoint_ecluster_overlap'; 1.737 + 1.738 +CREATE FUNCTION ebox_overlap_proc(ebox, ebox) 1.739 + RETURNS boolean 1.740 + LANGUAGE C IMMUTABLE STRICT 1.741 + AS '$libdir/latlon-v0003', 'pgl_ebox_overlap'; 1.742 + 1.743 +CREATE FUNCTION ecircle_overlap_proc(ecircle, ecircle) 1.744 + RETURNS boolean 1.745 + LANGUAGE C IMMUTABLE STRICT 1.746 + AS '$libdir/latlon-v0003', 'pgl_ecircle_overlap'; 1.747 + 1.748 +CREATE FUNCTION ecircle_ecluster_overlap_proc(ecircle, ecluster) 1.749 + RETURNS boolean 1.750 + LANGUAGE C IMMUTABLE STRICT 1.751 + AS '$libdir/latlon-v0003', 'pgl_ecircle_ecluster_overlap'; 1.752 + 1.753 +CREATE FUNCTION epoint_distance_proc(epoint, epoint) 1.754 + RETURNS float8 1.755 + LANGUAGE C IMMUTABLE STRICT 1.756 + AS '$libdir/latlon-v0003', 'pgl_epoint_distance'; 1.757 + 1.758 +CREATE FUNCTION epoint_ecircle_distance_proc(epoint, ecircle) 1.759 + RETURNS float8 1.760 + LANGUAGE C IMMUTABLE STRICT 1.761 + AS '$libdir/latlon-v0003', 'pgl_epoint_ecircle_distance'; 1.762 + 1.763 +CREATE FUNCTION epoint_ecluster_distance_proc(epoint, ecluster) 1.764 + RETURNS float8 1.765 + LANGUAGE C IMMUTABLE STRICT 1.766 + AS '$libdir/latlon-v0003', 'pgl_epoint_ecluster_distance'; 1.767 + 1.768 +CREATE FUNCTION ecircle_distance_proc(ecircle, ecircle) 1.769 + RETURNS float8 1.770 + LANGUAGE C IMMUTABLE STRICT 1.771 + AS '$libdir/latlon-v0003', 'pgl_ecircle_distance'; 1.772 + 1.773 +CREATE FUNCTION ecircle_ecluster_distance_proc(ecircle, ecluster) 1.774 + RETURNS float8 1.775 + LANGUAGE C IMMUTABLE STRICT 1.776 + AS '$libdir/latlon-v0003', 'pgl_ecircle_ecluster_distance'; 1.777 + 1.778 +CREATE OPERATOR && ( 1.779 + leftarg = epoint, 1.780 + rightarg = ebox, 1.781 + procedure = epoint_ebox_overlap_proc, 1.782 + commutator = &&, 1.783 + restrict = areasel, 1.784 + join = areajoinsel 1.785 +); 1.786 + 1.787 +CREATE FUNCTION epoint_ebox_overlap_commutator(ebox, epoint) 1.788 + RETURNS boolean 1.789 + LANGUAGE sql IMMUTABLE AS 'SELECT $2 && $1'; 1.790 + 1.791 +CREATE OPERATOR && ( 1.792 + leftarg = ebox, 1.793 + rightarg = epoint, 1.794 + procedure = epoint_ebox_overlap_commutator, 1.795 + commutator = &&, 1.796 + restrict = areasel, 1.797 + join = areajoinsel 1.798 +); 1.799 + 1.800 +CREATE OPERATOR && ( 1.801 + leftarg = epoint, 1.802 + rightarg = ecircle, 1.803 + procedure = epoint_ecircle_overlap_proc, 1.804 + commutator = &&, 1.805 + restrict = areasel, 1.806 + join = areajoinsel 1.807 +); 1.808 + 1.809 +CREATE FUNCTION epoint_ecircle_overlap_commutator(ecircle, epoint) 1.810 + RETURNS boolean 1.811 + LANGUAGE sql IMMUTABLE AS 'SELECT $2 && $1'; 1.812 + 1.813 +CREATE OPERATOR && ( 1.814 + leftarg = ecircle, 1.815 + rightarg = epoint, 1.816 + procedure = epoint_ecircle_overlap_commutator, 1.817 + commutator = &&, 1.818 + restrict = areasel, 1.819 + join = areajoinsel 1.820 +); 1.821 + 1.822 +CREATE OPERATOR && ( 1.823 + leftarg = epoint, 1.824 + rightarg = ecluster, 1.825 + procedure = epoint_ecluster_overlap_proc, 1.826 + commutator = &&, 1.827 + restrict = areasel, 1.828 + join = areajoinsel 1.829 +); 1.830 + 1.831 +CREATE FUNCTION epoint_ecluster_overlap_commutator(ecluster, epoint) 1.832 + RETURNS boolean 1.833 + LANGUAGE sql IMMUTABLE AS 'SELECT $2 && $1'; 1.834 + 1.835 +CREATE OPERATOR && ( 1.836 + leftarg = ecluster, 1.837 + rightarg = epoint, 1.838 + procedure = epoint_ecluster_overlap_commutator, 1.839 + commutator = &&, 1.840 + restrict = areasel, 1.841 + join = areajoinsel 1.842 +); 1.843 + 1.844 +CREATE OPERATOR && ( 1.845 + leftarg = ebox, 1.846 + rightarg = ebox, 1.847 + procedure = ebox_overlap_proc, 1.848 + commutator = &&, 1.849 + restrict = areasel, 1.850 + join = areajoinsel 1.851 +); 1.852 + 1.853 +CREATE OPERATOR && ( 1.854 + leftarg = ecircle, 1.855 + rightarg = ecircle, 1.856 + procedure = ecircle_overlap_proc, 1.857 + commutator = &&, 1.858 + restrict = areasel, 1.859 + join = areajoinsel 1.860 +); 1.861 + 1.862 +CREATE OPERATOR && ( 1.863 + leftarg = ecircle, 1.864 + rightarg = ecluster, 1.865 + procedure = ecircle_ecluster_overlap_proc, 1.866 + commutator = &&, 1.867 + restrict = areasel, 1.868 + join = areajoinsel 1.869 +); 1.870 + 1.871 +CREATE FUNCTION ecircle_ecluster_overlap_commutator(ecluster, ecircle) 1.872 + RETURNS boolean 1.873 + LANGUAGE sql IMMUTABLE AS 'SELECT $2 && $1'; 1.874 + 1.875 +CREATE OPERATOR && ( 1.876 + leftarg = ecluster, 1.877 + rightarg = ecircle, 1.878 + procedure = ecircle_ecluster_overlap_commutator, 1.879 + commutator = &&, 1.880 + restrict = areasel, 1.881 + join = areajoinsel 1.882 +); 1.883 + 1.884 +CREATE OPERATOR <-> ( 1.885 + leftarg = epoint, 1.886 + rightarg = epoint, 1.887 + procedure = epoint_distance_proc, 1.888 + commutator = <-> 1.889 +); 1.890 + 1.891 +CREATE OPERATOR <-> ( 1.892 + leftarg = epoint, 1.893 + rightarg = ecircle, 1.894 + procedure = epoint_ecircle_distance_proc, 1.895 + commutator = <-> 1.896 +); 1.897 + 1.898 +CREATE FUNCTION epoint_ecircle_distance_commutator(ecircle, epoint) 1.899 + RETURNS float8 1.900 + LANGUAGE sql IMMUTABLE AS 'SELECT $2 <-> $1'; 1.901 + 1.902 +CREATE OPERATOR <-> ( 1.903 + leftarg = ecircle, 1.904 + rightarg = epoint, 1.905 + procedure = epoint_ecircle_distance_commutator, 1.906 + commutator = <-> 1.907 +); 1.908 + 1.909 +CREATE OPERATOR <-> ( 1.910 + leftarg = epoint, 1.911 + rightarg = ecluster, 1.912 + procedure = epoint_ecluster_distance_proc, 1.913 + commutator = <-> 1.914 +); 1.915 + 1.916 +CREATE FUNCTION epoint_ecluster_distance_commutator(ecluster, epoint) 1.917 + RETURNS float8 1.918 + LANGUAGE sql IMMUTABLE AS 'SELECT $2 <-> $1'; 1.919 + 1.920 +CREATE OPERATOR <-> ( 1.921 + leftarg = ecluster, 1.922 + rightarg = epoint, 1.923 + procedure = epoint_ecluster_distance_commutator, 1.924 + commutator = <-> 1.925 +); 1.926 + 1.927 +CREATE OPERATOR <-> ( 1.928 + leftarg = ecircle, 1.929 + rightarg = ecircle, 1.930 + procedure = ecircle_distance_proc, 1.931 + commutator = <-> 1.932 +); 1.933 + 1.934 +CREATE OPERATOR <-> ( 1.935 + leftarg = ecircle, 1.936 + rightarg = ecluster, 1.937 + procedure = ecircle_ecluster_distance_proc, 1.938 + commutator = <-> 1.939 +); 1.940 + 1.941 +CREATE FUNCTION ecircle_ecluster_distance_commutator(ecluster, ecircle) 1.942 + RETURNS float8 1.943 + LANGUAGE sql IMMUTABLE AS 'SELECT $2 <-> $1'; 1.944 + 1.945 +CREATE OPERATOR <-> ( 1.946 + leftarg = ecluster, 1.947 + rightarg = ecircle, 1.948 + procedure = ecircle_ecluster_distance_commutator, 1.949 + commutator = <-> 1.950 +); 1.951 + 1.952 + 1.953 +---------------- 1.954 +-- GiST index -- 1.955 +---------------- 1.956 + 1.957 +CREATE FUNCTION pgl_gist_consistent(internal, internal, smallint, oid, internal) 1.958 + RETURNS boolean 1.959 + LANGUAGE C STRICT 1.960 + AS '$libdir/latlon-v0003', 'pgl_gist_consistent'; 1.961 + 1.962 +CREATE FUNCTION pgl_gist_union(internal, internal) 1.963 + RETURNS internal 1.964 + LANGUAGE C STRICT 1.965 + AS '$libdir/latlon-v0003', 'pgl_gist_union'; 1.966 + 1.967 +CREATE FUNCTION pgl_gist_compress_epoint(internal) 1.968 + RETURNS internal 1.969 + LANGUAGE C STRICT 1.970 + AS '$libdir/latlon-v0003', 'pgl_gist_compress_epoint'; 1.971 + 1.972 +CREATE FUNCTION pgl_gist_compress_ecircle(internal) 1.973 + RETURNS internal 1.974 + LANGUAGE C STRICT 1.975 + AS '$libdir/latlon-v0003', 'pgl_gist_compress_ecircle'; 1.976 + 1.977 +CREATE FUNCTION pgl_gist_compress_ecluster(internal) 1.978 + RETURNS internal 1.979 + LANGUAGE C STRICT 1.980 + AS '$libdir/latlon-v0003', 'pgl_gist_compress_ecluster'; 1.981 + 1.982 +CREATE FUNCTION pgl_gist_decompress(internal) 1.983 + RETURNS internal 1.984 + LANGUAGE C STRICT 1.985 + AS '$libdir/latlon-v0003', 'pgl_gist_decompress'; 1.986 + 1.987 +CREATE FUNCTION pgl_gist_penalty(internal, internal, internal) 1.988 + RETURNS internal 1.989 + LANGUAGE C STRICT 1.990 + AS '$libdir/latlon-v0003', 'pgl_gist_penalty'; 1.991 + 1.992 +CREATE FUNCTION pgl_gist_picksplit(internal, internal) 1.993 + RETURNS internal 1.994 + LANGUAGE C STRICT 1.995 + AS '$libdir/latlon-v0003', 'pgl_gist_picksplit'; 1.996 + 1.997 +CREATE FUNCTION pgl_gist_same(internal, internal, internal) 1.998 + RETURNS internal 1.999 + LANGUAGE C STRICT 1.1000 + AS '$libdir/latlon-v0003', 'pgl_gist_same'; 1.1001 + 1.1002 +CREATE FUNCTION pgl_gist_distance(internal, internal, smallint, oid) 1.1003 + RETURNS internal 1.1004 + LANGUAGE C STRICT 1.1005 + AS '$libdir/latlon-v0003', 'pgl_gist_distance'; 1.1006 + 1.1007 +CREATE OPERATOR CLASS epoint_ops 1.1008 + DEFAULT FOR TYPE epoint USING gist AS 1.1009 + OPERATOR 11 = , 1.1010 + OPERATOR 22 && (epoint, ebox), 1.1011 + OPERATOR 23 && (epoint, ecircle), 1.1012 + OPERATOR 24 && (epoint, ecluster), 1.1013 + OPERATOR 31 <-> (epoint, epoint) FOR ORDER BY float_ops, 1.1014 + OPERATOR 33 <-> (epoint, ecircle) FOR ORDER BY float_ops, 1.1015 + OPERATOR 34 <-> (epoint, ecluster) FOR ORDER BY float_ops, 1.1016 + FUNCTION 1 pgl_gist_consistent(internal, internal, smallint, oid, internal), 1.1017 + FUNCTION 2 pgl_gist_union(internal, internal), 1.1018 + FUNCTION 3 pgl_gist_compress_epoint(internal), 1.1019 + FUNCTION 4 pgl_gist_decompress(internal), 1.1020 + FUNCTION 5 pgl_gist_penalty(internal, internal, internal), 1.1021 + FUNCTION 6 pgl_gist_picksplit(internal, internal), 1.1022 + FUNCTION 7 pgl_gist_same(internal, internal, internal), 1.1023 + FUNCTION 8 pgl_gist_distance(internal, internal, smallint, oid), 1.1024 + STORAGE ekey_point; 1.1025 + 1.1026 +CREATE OPERATOR CLASS ecircle_ops 1.1027 + DEFAULT FOR TYPE ecircle USING gist AS 1.1028 + OPERATOR 13 = , 1.1029 + OPERATOR 21 && (ecircle, epoint), 1.1030 + OPERATOR 23 && (ecircle, ecircle), 1.1031 + OPERATOR 24 && (ecircle, ecluster), 1.1032 + OPERATOR 31 <-> (ecircle, epoint) FOR ORDER BY float_ops, 1.1033 + OPERATOR 33 <-> (ecircle, ecircle) FOR ORDER BY float_ops, 1.1034 + OPERATOR 34 <-> (ecircle, ecluster) FOR ORDER BY float_ops, 1.1035 + FUNCTION 1 pgl_gist_consistent(internal, internal, smallint, oid, internal), 1.1036 + FUNCTION 2 pgl_gist_union(internal, internal), 1.1037 + FUNCTION 3 pgl_gist_compress_ecircle(internal), 1.1038 + FUNCTION 4 pgl_gist_decompress(internal), 1.1039 + FUNCTION 5 pgl_gist_penalty(internal, internal, internal), 1.1040 + FUNCTION 6 pgl_gist_picksplit(internal, internal), 1.1041 + FUNCTION 7 pgl_gist_same(internal, internal, internal), 1.1042 + FUNCTION 8 pgl_gist_distance(internal, internal, smallint, oid), 1.1043 + STORAGE ekey_area; 1.1044 + 1.1045 +CREATE OPERATOR CLASS ecluster_ops 1.1046 + DEFAULT FOR TYPE ecluster USING gist AS 1.1047 + OPERATOR 21 && (ecluster, epoint), 1.1048 + FUNCTION 1 pgl_gist_consistent(internal, internal, smallint, oid, internal), 1.1049 + FUNCTION 2 pgl_gist_union(internal, internal), 1.1050 + FUNCTION 3 pgl_gist_compress_ecluster(internal), 1.1051 + FUNCTION 4 pgl_gist_decompress(internal), 1.1052 + FUNCTION 5 pgl_gist_penalty(internal, internal, internal), 1.1053 + FUNCTION 6 pgl_gist_picksplit(internal, internal), 1.1054 + FUNCTION 7 pgl_gist_same(internal, internal, internal), 1.1055 + FUNCTION 8 pgl_gist_distance(internal, internal, smallint, oid), 1.1056 + STORAGE ekey_area; 1.1057 + 1.1058 + 1.1059 +--------------------- 1.1060 +-- alias functions -- 1.1061 +--------------------- 1.1062 + 1.1063 +CREATE FUNCTION distance(epoint, epoint) 1.1064 + RETURNS float8 1.1065 + LANGUAGE sql IMMUTABLE AS 'SELECT $1 <-> $2'; 1.1066 + 1.1067 +CREATE FUNCTION distance(ecluster, epoint) 1.1068 + RETURNS float8 1.1069 + LANGUAGE sql IMMUTABLE AS 'SELECT $1 <-> $2'; 1.1070 + 1.1071 +CREATE FUNCTION distance_within(epoint, epoint, float8) 1.1072 + RETURNS boolean 1.1073 + LANGUAGE sql IMMUTABLE AS 'SELECT $1 && ecircle($2, $3)'; 1.1074 + 1.1075 +CREATE FUNCTION distance_within(ecluster, epoint, float8) 1.1076 + RETURNS boolean 1.1077 + LANGUAGE sql IMMUTABLE AS 'SELECT $1 && ecircle($2, $3)'; 1.1078 + 1.1079 + 1.1080 +-------------------------------- 1.1081 +-- other data storage formats -- 1.1082 +-------------------------------- 1.1083 + 1.1084 +CREATE FUNCTION coords_to_epoint(float8, float8, text = 'epoint_lonlat') 1.1085 + RETURNS epoint 1.1086 + LANGUAGE plpgsql IMMUTABLE STRICT AS $$ 1.1087 + DECLARE 1.1088 + "result" epoint; 1.1089 + BEGIN 1.1090 + IF $3 = 'epoint_lonlat' THEN 1.1091 + -- avoid dynamic command execution for better performance 1.1092 + RETURN epoint($2, $1); 1.1093 + END IF; 1.1094 + IF $3 = 'epoint' OR $3 = 'epoint_latlon' THEN 1.1095 + -- avoid dynamic command execution for better performance 1.1096 + RETURN epoint($1, $2); 1.1097 + END IF; 1.1098 + EXECUTE 'SELECT ' || $3 || '($1, $2)' INTO STRICT "result" USING $1, $2; 1.1099 + RETURN "result"; 1.1100 + END; 1.1101 + $$; 1.1102 + 1.1103 +CREATE FUNCTION GeoJSON_to_epoint(jsonb, text = 'epoint_lonlat') 1.1104 + RETURNS epoint 1.1105 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.1106 + SELECT CASE 1.1107 + WHEN $1->>'type' = 'Point' THEN 1.1108 + coords_to_epoint( 1.1109 + ($1->'coordinates'->>1)::float8, 1.1110 + ($1->'coordinates'->>0)::float8, 1.1111 + $2 1.1112 + ) 1.1113 + WHEN $1->>'type' = 'Feature' THEN 1.1114 + GeoJSON_to_epoint($1->'geometry', $2) 1.1115 + ELSE 1.1116 + NULL 1.1117 + END 1.1118 + $$; 1.1119 + 1.1120 +CREATE FUNCTION GeoJSON_to_ecluster(jsonb, text = 'epoint_lonlat') 1.1121 + RETURNS ecluster 1.1122 + LANGUAGE sql IMMUTABLE STRICT AS $$ 1.1123 + SELECT CASE $1->>'type' 1.1124 + WHEN 'Point' THEN 1.1125 + coords_to_epoint( 1.1126 + ($1->'coordinates'->>1)::float8, 1.1127 + ($1->'coordinates'->>0)::float8, 1.1128 + $2 1.1129 + )::ecluster 1.1130 + WHEN 'MultiPoint' THEN 1.1131 + ( SELECT ecluster_create_multipoint(array_agg( 1.1132 + coords_to_epoint( 1.1133 + ("coord"->>1)::float8, 1.1134 + ("coord"->>0)::float8, 1.1135 + $2 1.1136 + ) 1.1137 + )) 1.1138 + FROM jsonb_array_elements($1->'coordinates') AS "coord" 1.1139 + ) 1.1140 + WHEN 'LineString' THEN 1.1141 + ( SELECT ecluster_create_path(array_agg( 1.1142 + coords_to_epoint( 1.1143 + ("coord"->>1)::float8, 1.1144 + ("coord"->>0)::float8, 1.1145 + $2 1.1146 + ) 1.1147 + )) 1.1148 + FROM jsonb_array_elements($1->'coordinates') AS "coord" 1.1149 + ) 1.1150 + WHEN 'MultiLineString' THEN 1.1151 + ( SELECT ecluster_concat(array_agg( 1.1152 + ( SELECT ecluster_create_path(array_agg( 1.1153 + coords_to_epoint( 1.1154 + ("coord"->>1)::float8, 1.1155 + ("coord"->>0)::float8, 1.1156 + $2 1.1157 + ) 1.1158 + )) 1.1159 + FROM jsonb_array_elements("coord_array") AS "coord" 1.1160 + ) 1.1161 + )) 1.1162 + FROM jsonb_array_elements($1->'coordinates') AS "coord_array" 1.1163 + ) 1.1164 + WHEN 'Polygon' THEN 1.1165 + ( SELECT ecluster_concat(array_agg( 1.1166 + ( SELECT ecluster_create_polygon(array_agg( 1.1167 + coords_to_epoint( 1.1168 + ("coord"->>1)::float8, 1.1169 + ("coord"->>0)::float8, 1.1170 + $2 1.1171 + ) 1.1172 + )) 1.1173 + FROM jsonb_array_elements("coord_array") AS "coord" 1.1174 + ) 1.1175 + )) 1.1176 + FROM jsonb_array_elements($1->'coordinates') AS "coord_array" 1.1177 + ) 1.1178 + WHEN 'MultiPolygon' THEN 1.1179 + ( SELECT ecluster_concat(array_agg( 1.1180 + ( SELECT ecluster_concat(array_agg( 1.1181 + ( SELECT ecluster_create_polygon(array_agg( 1.1182 + coords_to_epoint( 1.1183 + ("coord"->>1)::float8, 1.1184 + ("coord"->>0)::float8, 1.1185 + $2 1.1186 + ) 1.1187 + )) 1.1188 + FROM jsonb_array_elements("coord_array") AS "coord" 1.1189 + ) 1.1190 + )) 1.1191 + FROM jsonb_array_elements("coord_array_array") AS "coord_array" 1.1192 + ) 1.1193 + )) 1.1194 + FROM jsonb_array_elements($1->'coordinates') AS "coord_array_array" 1.1195 + ) 1.1196 + WHEN 'Feature' THEN 1.1197 + GeoJSON_to_ecluster($1->'geometry', $2) 1.1198 + WHEN 'FeatureCollection' THEN 1.1199 + ( SELECT ecluster_concat(array_agg( 1.1200 + GeoJSON_to_ecluster("feature", $2) 1.1201 + )) 1.1202 + FROM jsonb_array_elements($1->'features') AS "feature" 1.1203 + ) 1.1204 + ELSE 1.1205 + NULL 1.1206 + END 1.1207 + $$; 1.1208 +