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pointcloud.sql.in
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pointcloud.sql.in
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pointcloud" to load this file. \quit
-------------------------------------------------------------------
-- METADATA and SCHEMA
-------------------------------------------------------------------
-- Confirm the XML representation of a schema has everything we need
CREATE OR REPLACE FUNCTION PC_SchemaIsValid(schemaxml text)
RETURNS boolean AS 'MODULE_PATHNAME','pcschema_is_valid'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Metadata table describing contents of pcpoints
CREATE TABLE IF NOT EXISTS pointcloud_formats (
pcid INTEGER PRIMARY KEY
-- PCID == 0 is unknown
-- PCID > 2^16 is reserved to leave space in typmod
CHECK (pcid > 0 AND pcid < 65536),
srid INTEGER, -- REFERENCES spatial_ref_sys(srid)
schema TEXT
CHECK ( PC_SchemaIsValid(schema) )
);
-- Register pointcloud_formats table so the contents are included in pg_dump output
SELECT pg_catalog.pg_extension_config_dump('pointcloud_formats', '');
CREATE OR REPLACE FUNCTION PC_SchemaGetNDims(pcid integer)
RETURNS integer
AS 'MODULE_PATHNAME','pcschema_get_ndims'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Read typmod number from string
CREATE OR REPLACE FUNCTION pc_typmod_in(cstring[])
RETURNS integer AS 'MODULE_PATHNAME','pc_typmod_in'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Write typmod number to string
CREATE OR REPLACE FUNCTION pc_typmod_out(typmod integer)
RETURNS cstring AS 'MODULE_PATHNAME','pc_typmod_out'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Read pcid from typmod number
CREATE OR REPLACE FUNCTION pc_typmod_pcid(typmod integer)
RETURNS int4 AS 'MODULE_PATHNAME','pc_typmod_pcid'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Return the script version number
CREATE OR REPLACE FUNCTION pc_script_version()
RETURNS text AS $$ SELECT '@POINTCLOUD_VERSION@'::text $$
LANGUAGE 'sql' IMMUTABLE STRICT;
-- Return the library version number
CREATE OR REPLACE FUNCTION pc_lib_version()
RETURNS text AS 'MODULE_PATHNAME', 'pc_version'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Return the extension version number and check sanity
CREATE OR REPLACE FUNCTION pc_version()
RETURNS text AS
$$
DECLARE
libver TEXT;
scrver TEXT;
BEGIN
scrver := pc_script_version();
libver := pc_lib_version();
IF scrver != libver THEN
RAISE WARNING 'Library (%) and script (%) version mismatch',
libver, scrver;
END IF;
RETURN libver;
END;
$$
LANGUAGE 'plpgsql' IMMUTABLE STRICT;
-- Upgrade pointcloud extension to latest (or specified) version.
-- Takes care of in-development upgrades
CREATE OR REPLACE FUNCTION pc_upgrade(to_version text DEFAULT NULL)
RETURNS text AS
$$
DECLARE
ver RECORD;
target_version text;
BEGIN
SELECT default_version, installed_version
FROM pg_catalog.pg_available_extensions
WHERE name = 'pointcloud'
INTO ver;
IF to_version IS NULL THEN
target_version := ver.default_version;
ELSE
target_version := to_version;
END IF;
IF target_version != ver.installed_version THEN
EXECUTE 'ALTER EXTENSION pointcloud UPDATE TO ' ||
quote_literal(target_version);
ELSE
-- Use the "next" trick
IF target_version LIKE '%next' THEN
target_version := replace(target_version, 'next', '');
EXECUTE 'ALTER EXTENSION pointcloud UPDATE TO ' ||
quote_literal(target_version);
ELSE
-- Double upgrade, to get back to "next"-free
EXECUTE 'ALTER EXTENSION pointcloud UPDATE TO ' ||
quote_literal(target_version || 'next');
EXECUTE 'ALTER EXTENSION pointcloud UPDATE TO ' ||
quote_literal(target_version);
END IF;
END IF;
RETURN pc_version();
END;
$$ LANGUAGE 'plpgsql' VOLATILE;
-------------------------------------------------------------------
-- PCPOINT
-------------------------------------------------------------------
CREATE OR REPLACE FUNCTION pcpoint_in(cstring)
RETURNS pcpoint AS 'MODULE_PATHNAME', 'pcpoint_in'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION pcpoint_out(pcpoint)
RETURNS cstring AS 'MODULE_PATHNAME', 'pcpoint_out'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE TYPE pcpoint (
internallength = variable,
input = pcpoint_in,
output = pcpoint_out,
-- send = geometry_send,
-- receive = geometry_recv,
typmod_in = pc_typmod_in,
typmod_out = pc_typmod_out,
-- delimiter = ':',
-- alignment = double,
-- analyze = geometry_analyze,
storage = external -- do not try to compress it please
);
CREATE OR REPLACE FUNCTION PC_Get(pt pcpoint, dimname text)
RETURNS numeric AS 'MODULE_PATHNAME', 'pcpoint_get_value'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_Get(pt pcpoint)
RETURNS float8[] AS 'MODULE_PATHNAME', 'pcpoint_get_values'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_MakePoint(pcid integer, vals float8[])
RETURNS pcpoint AS 'MODULE_PATHNAME', 'pcpoint_from_double_array'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_AsText(p pcpoint)
RETURNS text AS 'MODULE_PATHNAME', 'pcpoint_as_text'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_AsBinary(p pcpoint)
RETURNS bytea AS 'MODULE_PATHNAME', 'pcpoint_as_bytea'
LANGUAGE 'c' IMMUTABLE STRICT;
-------------------------------------------------------------------
-- PCPATCH
-------------------------------------------------------------------
CREATE OR REPLACE FUNCTION pcpatch_in(cstring)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_in'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION pcpatch_out(pcpatch)
RETURNS cstring AS 'MODULE_PATHNAME', 'pcpatch_out'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE TYPE pcpatch (
internallength = variable,
input = pcpatch_in,
output = pcpatch_out,
-- send = geometry_send,
-- receive = geometry_recv,
typmod_in = pc_typmod_in,
typmod_out = pc_typmod_out,
-- delimiter = ':',
-- alignment = double,
-- analyze = geometry_analyze,
storage = external
);
CREATE OR REPLACE FUNCTION PC_AsText(p pcpatch)
RETURNS text AS 'MODULE_PATHNAME', 'pcpatch_as_text'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_EnvelopeAsBinary(p pcpatch)
RETURNS bytea AS 'MODULE_PATHNAME', 'pcpatch_envelope_as_bytea'
LANGUAGE 'c' IMMUTABLE STRICT;
-- PC_Envelope is an alias to PC_EnvelopeAsBinary, it is kept for
-- backward-compatibility
CREATE OR REPLACE FUNCTION PC_Envelope(p pcpatch)
RETURNS bytea AS 'MODULE_PATHNAME', 'pcpatch_envelope_as_bytea'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_Uncompress(p pcpatch)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_uncompress'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_Compress(p pcpatch, comp text default '', config text default '')
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_compress'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_NumPoints(p pcpatch)
RETURNS int4 AS 'MODULE_PATHNAME', 'pcpatch_numpoints'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_PCId(p pcpatch)
RETURNS int4 AS 'MODULE_PATHNAME', 'pcpatch_pcid'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_Summary(p pcpatch)
RETURNS text AS 'MODULE_PATHNAME', 'pcpatch_summary'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_Compression(p pcpatch)
RETURNS int4 AS 'MODULE_PATHNAME', 'pcpatch_compression'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_Intersects(p1 pcpatch, p2 pcpatch)
RETURNS boolean AS 'MODULE_PATHNAME', 'pcpatch_intersects'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_MemSize(p pcpatch)
RETURNS int4 AS 'MODULE_PATHNAME', 'pcpatch_size'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_MemSize(p pcpoint)
RETURNS int4 AS 'MODULE_PATHNAME', 'pcpoint_size'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_PCId(p pcpoint)
RETURNS int4 AS 'MODULE_PATHNAME', 'pcpoint_pcid'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Availability: 1.1.0
-- @param statno 0:min 1:max 2:avg
CREATE OR REPLACE FUNCTION _PC_PatchStat(p pcpatch, statno int)
RETURNS pcpoint AS 'MODULE_PATHNAME', 'pcpatch_get_stat'
LANGUAGE 'c' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_PatchMin(p pcpatch)
RETURNS pcpoint AS $$ SELECT _PC_PatchStat(p, 0) $$
LANGUAGE 'sql' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_PatchMax(p pcpatch)
RETURNS pcpoint AS $$ SELECT _PC_PatchStat(p, 1) $$
LANGUAGE 'sql' IMMUTABLE STRICT;
-- Availability: 1.1.0
CREATE OR REPLACE FUNCTION PC_PatchAvg(p pcpatch)
RETURNS pcpoint AS $$ SELECT _PC_PatchStat(p, 2) $$
LANGUAGE 'sql' IMMUTABLE STRICT;
-- Availability: 1.1.0
-- @param statno 0:min 1:max 2:avg
CREATE OR REPLACE FUNCTION _PC_PatchStat(p pcpatch, statno int, attr text)
RETURNS numeric AS 'MODULE_PATHNAME', 'pcpatch_get_stat'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_PatchMin(p pcpatch, attr text)
RETURNS numeric AS $$ SELECT _PC_PatchStat(p, 0, attr) $$
LANGUAGE 'sql' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_PatchMax(p pcpatch, attr text)
RETURNS numeric AS $$ SELECT _PC_PatchStat(p, 1, attr) $$
LANGUAGE 'sql' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_PatchAvg(p pcpatch, attr text)
RETURNS numeric AS $$ SELECT _PC_PatchStat(p, 2, attr) $$
LANGUAGE 'sql' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_FilterLessThan(p pcpatch, attr text, v1 float8 default 0.0, v2 float8 default 0.0, mode int4 default 0)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_filter'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_FilterGreaterThan(p pcpatch, attr text, v1 float8 default 0.0, v2 float8 default 0.0, mode int4 default 1)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_filter'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_FilterEquals(p pcpatch, attr text, v1 float8 default 0.0, v2 float8 default 0.0, mode int4 default 2)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_filter'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_FilterBetween(p pcpatch, attr text, v1 float8 default 0.0, v2 float8 default 0.0, mode int4 default 3)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_filter'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_PointN(p pcpatch, n int4)
RETURNS pcpoint AS 'MODULE_PATHNAME', 'pcpatch_pointn'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_Sort(p pcpatch, attr text[])
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_sort'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_IsSorted(p pcpatch, attr text[], strict boolean default false)
RETURNS boolean AS 'MODULE_PATHNAME', 'pcpatch_is_sorted'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_Range(p pcpatch, first int4, count int4)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_range'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_BoundingDiagonalAsBinary(p pcpatch)
RETURNS bytea AS 'MODULE_PATHNAME', 'pcpatch_bounding_diagonal_as_bytea'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_SetPCId(p pcpatch, pcid int4, def float8 default 0.0)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_setpcid'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION PC_Transform(p pcpatch, pcid int4, def float8 default 0.0)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_transform'
LANGUAGE 'c' IMMUTABLE STRICT;
-------------------------------------------------------------------
-- POINTCLOUD_COLUMNS
-------------------------------------------------------------------
-- Last Changed: 1.0.1
CREATE OR REPLACE VIEW pointcloud_columns AS
SELECT
n.nspname AS schema,
c.relname AS table,
a.attname AS column,
pc_typmod_pcid(a.atttypmod) AS pcid,
p.srid AS srid,
t.typname AS type
FROM
pg_class c,
pg_type t,
pg_namespace n,
pg_attribute a
LEFT OUTER JOIN pointcloud_formats p
ON ( pc_typmod_pcid(a.atttypmod) = p.pcid )
WHERE t.typname IN ('pcpatch','pcpoint')
AND a.attisdropped = false
AND a.atttypid = t.oid
AND a.attrelid = c.oid
AND c.relnamespace = n.oid
AND NOT pg_is_other_temp_schema(c.relnamespace)
AND has_table_privilege( c.oid, 'SELECT'::text );
-- Special cast for enforcing typmod restrictions
CREATE OR REPLACE FUNCTION pcpatch(p pcpatch, typmod integer, explicit boolean)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_enforce_typmod'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE CAST (pcpatch AS pcpatch) WITH FUNCTION pcpatch(pcpatch, integer, boolean) AS IMPLICIT;
CREATE OR REPLACE FUNCTION pcpoint(p pcpoint, typmod integer, explicit boolean)
RETURNS pcpoint AS 'MODULE_PATHNAME', 'pcpoint_enforce_typmod'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE CAST (pcpoint AS pcpoint) WITH FUNCTION pcpoint(pcpoint, integer, boolean) AS IMPLICIT;
-------------------------------------------------------------------
-- AGGREGATE GENERIC SUPPORT
-------------------------------------------------------------------
CREATE OR REPLACE FUNCTION pointcloud_abs_in(cstring)
RETURNS pointcloud_abs AS 'MODULE_PATHNAME'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION pointcloud_abs_out(pointcloud_abs)
RETURNS cstring AS 'MODULE_PATHNAME'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE TYPE pointcloud_abs (
internallength = 8,
input = pointcloud_abs_in,
output = pointcloud_abs_out,
alignment = double
);
-------------------------------------------------------------------
-- AGGREGATE PCPOINT
-------------------------------------------------------------------
CREATE OR REPLACE FUNCTION PC_Patch(pcpoint[])
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_from_pcpoint_array'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION pcpoint_agg_transfn (pointcloud_abs, pcpoint)
RETURNS pointcloud_abs AS 'MODULE_PATHNAME', 'pointcloud_agg_transfn'
LANGUAGE 'c';
CREATE OR REPLACE FUNCTION pcpoint_agg_final_array (pointcloud_abs)
RETURNS pcpoint[] AS 'MODULE_PATHNAME', 'pcpoint_agg_final_array'
LANGUAGE 'c';
CREATE OR REPLACE FUNCTION pcpoint_agg_final_pcpatch (pointcloud_abs)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpoint_agg_final_pcpatch'
LANGUAGE 'c';
CREATE AGGREGATE PC_Patch (
BASETYPE = pcpoint,
SFUNC = pcpoint_agg_transfn,
STYPE = pointcloud_abs,
FINALFUNC = pcpoint_agg_final_pcpatch
);
CREATE AGGREGATE PC_Point_Agg (
BASETYPE = pcpoint,
SFUNC = pcpoint_agg_transfn,
STYPE = pointcloud_abs,
FINALFUNC = pcpoint_agg_final_array
);
-------------------------------------------------------------------
-- AGGREGATE / EXPLODE PCPATCH
-------------------------------------------------------------------
CREATE OR REPLACE FUNCTION pcpatch_agg_final_array (pointcloud_abs)
RETURNS pcpatch[] AS 'MODULE_PATHNAME', 'pcpatch_agg_final_array'
LANGUAGE 'c';
CREATE OR REPLACE FUNCTION pcpatch_agg_final_pcpatch (pointcloud_abs)
RETURNS pcpatch AS 'MODULE_PATHNAME', 'pcpatch_agg_final_pcpatch'
LANGUAGE 'c';
CREATE OR REPLACE FUNCTION pcpatch_agg_transfn (pointcloud_abs, pcpatch)
RETURNS pointcloud_abs AS 'MODULE_PATHNAME', 'pointcloud_agg_transfn'
LANGUAGE 'c';
CREATE AGGREGATE PC_Patch_Agg (
BASETYPE = pcpatch,
SFUNC = pcpatch_agg_transfn,
STYPE = pointcloud_abs,
FINALFUNC = pcpatch_agg_final_array
);
CREATE AGGREGATE PC_Union (
BASETYPE = pcpatch,
SFUNC = pcpatch_agg_transfn,
STYPE = pointcloud_abs,
FINALFUNC = pcpatch_agg_final_pcpatch
);
CREATE OR REPLACE FUNCTION PC_Explode(p pcpatch)
RETURNS setof pcpoint AS 'MODULE_PATHNAME', 'pcpatch_unnest'
LANGUAGE 'c' IMMUTABLE STRICT;
-------------------------------------------------------------------
-- SQL Utility Functions
-------------------------------------------------------------------