[SCM] PostGIS branch master updated. 3.7.0beta1-255-g0644bfea30
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commit 0644bfea3078f3fdeed7fdab1f9a688d4a2a49e3
Merge: dd6ccce735 742b3f2bc4
Author: Darafei Praliaskouski <komzpa at gmail.com>
Date: Sun Aug 9 03:02:23 2026 -0700
Merge pull request 'raster: keep overview metadata privilege-aware and search-path safe' (!644) from Komzpa/postgis:combine/trac-2821-20260802 into master
Two campaigns fixed Trac #2821 without knowing about each other, on this forge and on the GitHub
mirror, and the two fixes are complementary rather than competing. This carries both.
From the GitHub side: `raster_columns` and `raster_overviews` resolve the extension raster type as
`@extschema at .raster` and cast relkind through `pg_catalog."char"`, and `_overview_constraint`
compares the reference column type to `pg_catalog.pg_typeof($1)::pg_catalog.oid` — hardening
against search-path and type spoofing.
From the Gitea side: `_overview_constraint` keeps the original view's privilege semantics —
excluding other temp schemas via `pg_catalog.pg_is_other_temp_schema`, and requiring
`pg_catalog.has_column_privilege(...)` so an inaccessible reference column cannot be treated as
valid.
`raster/test/regress/rt_createoverview` and the new `check_raster_overviews.sql` cover both, and
pass.
Reviewed-on: https://gitea.osgeo.org/postgis/postgis/pulls/644
commit 742b3f2bc46c457f372d33abe62f568709eff3c5
Author: Darafei Praliaskouski <me at komzpa.net>
Date: Sun Aug 2 00:25:26 2026 +0400
raster: combine overview constraint hardening
diff --git a/NEWS b/NEWS
index 1443dee89a..945e2714bc 100644
--- a/NEWS
+++ b/NEWS
@@ -28,6 +28,8 @@ These are only changes since 3.7.0beta1.
spend unbounded time on them (Darafei Praliaskouski)
- GT-484, Use column-level SELECT privileges for metadata views
(Arthur Bazin)
+ - #2821, [raster] Avoid raster_columns ACL dependency in overview
+ constraints (Darafei Praliaskouski)
- GT-521, Reject malformed GSERIALIZED payload counts before deserializing
geometry data (Darafei Praliaskouski)
- GT-564, Avoid ST_MakePolygon failures with NULL hole array entries
diff --git a/raster/rt_pg/rtpostgis.sql.in b/raster/rt_pg/rtpostgis.sql.in
index 704deecc32..a49331861d 100644
--- a/raster/rt_pg/rtpostgis.sql.in
+++ b/raster/rt_pg/rtpostgis.sql.in
@@ -8345,10 +8345,10 @@ CREATE OR REPLACE VIEW raster_columns AS
pg_attribute a,
pg_namespace n
WHERE a.attisdropped = false
- AND a.atttypid = 'raster'::regtype
+ AND a.atttypid = '@extschema at .raster'::regtype
AND a.attrelid = c.oid
AND c.relnamespace = n.oid
- AND c.relkind = ANY (ARRAY['r'::"char", 'v'::"char", 'm'::"char", 'f'::"char", 'p'::"char"] )
+ AND c.relkind = ANY (ARRAY['r'::pg_catalog."char", 'v'::pg_catalog."char", 'm'::pg_catalog."char", 'f'::pg_catalog."char", 'p'::pg_catalog."char"] )
AND NOT pg_catalog.pg_is_other_temp_schema(c.relnamespace) AND pg_catalog.has_column_privilege(c.oid, a.attname,'SELECT'::text);
------------------------------------------------------------------------------
@@ -8356,9 +8356,28 @@ CREATE OR REPLACE VIEW raster_columns AS
-------------------------------------------------------------------------------
CREATE OR REPLACE FUNCTION _overview_constraint(ov raster, factor integer, refschema name, reftable name, refcolumn name)
- RETURNS boolean AS
- $$ SELECT COALESCE((SELECT TRUE FROM @extschema at .raster_columns WHERE r_table_catalog = current_database() AND r_table_schema = $3 AND r_table_name = $4 AND r_raster_column = $5), FALSE) $$
- LANGUAGE 'sql' STABLE
+ RETURNS boolean AS $$
+ SELECT COALESCE((
+ SELECT TRUE
+ FROM pg_catalog.pg_class c
+ JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
+ JOIN pg_catalog.pg_attribute a ON a.attrelid = c.oid
+ WHERE n.nspname = $3
+ AND c.relname = $4
+ AND a.attname = $5
+ AND a.attisdropped = false
+ AND a.atttypid = pg_catalog.pg_typeof($1)::pg_catalog.oid
+ AND c.relkind = ANY (ARRAY[
+ 'r'::pg_catalog."char",
+ 'v'::pg_catalog."char",
+ 'm'::pg_catalog."char",
+ 'f'::pg_catalog."char",
+ 'p'::pg_catalog."char"
+ ])
+ AND NOT pg_catalog.pg_is_other_temp_schema(c.relnamespace)
+ AND pg_catalog.has_column_privilege(c.oid, a.attname, 'SELECT'::text)
+ ), FALSE)
+ $$ LANGUAGE 'sql' STABLE
COST 100;
-- Changed: 3.1.2
@@ -8445,16 +8464,19 @@ CREATE OR REPLACE VIEW raster_overviews AS
FROM
pg_class c,
pg_attribute a,
- pg_type t,
pg_namespace n,
(SELECT connamespace, conrelid, conkey, pg_get_constraintdef(oid) As consrc
FROM pg_constraint) AS s
- WHERE t.typname = 'raster'::name
- AND a.attisdropped = false
- AND a.atttypid = t.oid
+ WHERE a.attisdropped = false
+ AND a.atttypid = '@extschema at .raster'::regtype
AND a.attrelid = c.oid
AND c.relnamespace = n.oid
- AND c.relkind = ANY(ARRAY['r'::char, 'v'::char, 'm'::char, 'f'::char])
+ AND c.relkind = ANY(ARRAY[
+ 'r'::pg_catalog."char",
+ 'v'::pg_catalog."char",
+ 'm'::pg_catalog."char",
+ 'f'::pg_catalog."char"
+ ])
AND s.connamespace = n.oid
AND s.conrelid = c.oid
AND s.consrc LIKE '%_overview_constraint(%'
diff --git a/raster/test/regress/check_raster_overviews.sql b/raster/test/regress/check_raster_overviews.sql
index b60bb7dc7f..5ef209b73b 100644
--- a/raster/test/regress/check_raster_overviews.sql
+++ b/raster/test/regress/check_raster_overviews.sql
@@ -98,3 +98,36 @@ SELECT o_table_name, o_raster_column, r_table_name, r_raster_column, overview_fa
DROP FUNCTION make_test_raster(integer, integer, integer, double precision, double precision, double precision, double precision, double precision, double precision);
DROP TABLE IF EXISTS test_raster_overviews;
DROP TABLE IF EXISTS test_raster_columns;
+
+-----------------------------------------------------------------------
+--- Ticket 2821: AddOverviewConstraints should not depend on
+--- raster_columns view ACLs
+-----------------------------------------------------------------------
+
+CREATE ROLE ticket_2821_user;
+GRANT CREATE ON SCHEMA public TO ticket_2821_user;
+REVOKE SELECT ON raster_columns FROM PUBLIC;
+
+SET ROLE ticket_2821_user;
+CREATE TABLE ticket_2821_raster_columns (
+ rid integer,
+ rast raster
+);
+INSERT INTO ticket_2821_raster_columns VALUES
+ (0, ST_AddBand(ST_MakeEmptyRaster(2, 2, -2, -2, 1, 1, 0, 0, 0), 1, '8BUI', 1, 0)),
+ (1, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, 1, 0, 0, 0), 1, '8BUI', 2, 0));
+SELECT AddRasterConstraints(current_schema(), 'ticket_2821_raster_columns', 'rast'::name);
+CREATE TABLE ticket_2821_raster_overviews AS
+ SELECT * FROM ticket_2821_raster_columns;
+SELECT AddOverviewConstraints('ticket_2821_raster_overviews', 'rast', 'ticket_2821_raster_columns', 'rast', 1);
+RESET ROLE;
+
+SELECT o_table_name, o_raster_column, r_table_name, r_raster_column, overview_factor
+FROM raster_overviews
+WHERE o_table_name = 'ticket_2821_raster_overviews';
+
+REVOKE CREATE ON SCHEMA public FROM ticket_2821_user;
+GRANT SELECT ON raster_columns TO PUBLIC;
+DROP TABLE IF EXISTS ticket_2821_raster_overviews;
+DROP TABLE IF EXISTS ticket_2821_raster_columns;
+DROP ROLE ticket_2821_user;
diff --git a/raster/test/regress/check_raster_overviews_expected b/raster/test/regress/check_raster_overviews_expected
index 93e8968afe..89b33f719a 100644
--- a/raster/test/regress/check_raster_overviews_expected
+++ b/raster/test/regress/check_raster_overviews_expected
@@ -14,3 +14,6 @@ test_raster_overviews|rast|0|||||f|f||||
t
test_raster_columns|rast|0|||||f|f||||
test_raster_overviews|rast|0|||||f|f||||
+t
+t
+ticket_2821_raster_overviews|rast|ticket_2821_raster_columns|rast|1
diff --git a/raster/test/regress/rt_createoverview.sql b/raster/test/regress/rt_createoverview.sql
index 2b0d87c8b2..3d120fbb15 100644
--- a/raster/test/regress/rt_createoverview.sql
+++ b/raster/test/regress/rt_createoverview.sql
@@ -1,44 +1,86 @@
SET client_min_messages TO warning;
-- Test for table without explicit schema
CREATE TABLE res1 AS SELECT
- ST_AddBand(
- ST_MakeEmptyRaster(10, 10, x, y, 1, -1, 0, 0, 0)
+ :schema ST_AddBand(
+ :schema ST_MakeEmptyRaster(10, 10, x, y, 1, -1, 0, 0, 0)
, 1, '8BUI', 0, 0
) r
FROM generate_series(-170, 160, 10) x,
generate_series(80, -70, -10) y;
-SELECT addrasterconstraints('res1', 'r');
+SELECT :schema addrasterconstraints('res1', 'r');
-SELECT ST_CreateOverview('res1', 'r', 2)::text = 'o_2_res1';
+SELECT :schema ST_CreateOverview('res1', 'r', 2)::text = 'o_2_res1';
-SELECT ST_CreateOverview('res1', 'r', 4)::text = 'o_4_res1';
+SELECT :schema ST_CreateOverview('res1', 'r', 4)::text = 'o_4_res1';
-SELECT ST_CreateOverview('res1', 'r', 8)::text = 'o_8_res1';
+SELECT :schema ST_CreateOverview('res1', 'r', 8)::text = 'o_8_res1';
-SELECT ST_CreateOverview('res1', 'r', 16)::text = 'o_16_res1';
+SELECT :schema ST_CreateOverview('res1', 'r', 16)::text = 'o_16_res1';
SELECT r_table_name tab, r_raster_column c, srid s,
scale_x sx, scale_y sy,
blocksize_x w, blocksize_y h, same_alignment a,
-- regular_blocking (why not regular?)
--extent::box2d e,
- st_covers(extent::box2d, 'BOX(-170 -80,170 80)'::box2d) ec,
- st_xmin(extent::box2d) = -170 as eix,
- st_ymax(extent::box2d) = 80 as eiy,
- (st_xmax(extent::box2d) - 170) <= scale_x as eox,
+ :schema st_covers(extent:: :schema box2d, 'BOX(-170 -80,170 80)':: :schema box2d) ec,
+ :schema st_xmin(extent:: :schema box2d) = -170 as eix,
+ :schema st_ymax(extent:: :schema box2d) = 80 as eiy,
+ (:schema st_xmax(extent:: :schema box2d) - 170) <= scale_x as eox,
--(st_xmax(extent::box2d) - 170) eoxd,
- abs(st_ymin(extent::box2d) + 80) <= abs(scale_y) as eoy
+ abs(:schema st_ymin(extent:: :schema box2d) + 80) <= abs(scale_y) as eoy
--,abs(st_ymin(extent::box2d) + 80) eoyd
- FROM raster_columns
+ FROM :schema raster_columns
WHERE r_table_name like '%res1'
ORDER BY scale_x, r_table_name;
SELECT o_table_name, o_raster_column,
r_table_name, r_raster_column, overview_factor
-FROM raster_overviews
+FROM :schema raster_overviews
WHERE r_table_name = 'res1'
ORDER BY overview_factor;
+SET search_path TO public;
+SELECT :schema _overview_constraint(
+ (SELECT r FROM public.o_2_res1 LIMIT 1),
+ 2, 'public', 'res1', 'r'
+);
+RESET search_path;
+
+CREATE TEMP TABLE pg_class (dummy integer);
+CREATE TEMP TABLE pg_namespace (dummy integer);
+CREATE TEMP TABLE pg_attribute (dummy integer);
+SET search_path TO pg_temp, public;
+SELECT :schema _overview_constraint(
+ (SELECT r FROM public.o_2_res1 LIMIT 1),
+ 2, 'public', 'res1', 'r'
+);
+RESET search_path;
+DROP TABLE pg_class;
+DROP TABLE pg_namespace;
+DROP TABLE pg_attribute;
+
+CREATE SCHEMA rt_shadow;
+CREATE DOMAIN rt_shadow."char" AS text;
+SET search_path TO rt_shadow, public;
+SELECT :schema _overview_constraint(
+ (SELECT r FROM public.o_2_res1 LIMIT 1),
+ 2, 'public', 'res1', 'r'
+);
+RESET search_path;
+DROP SCHEMA rt_shadow CASCADE;
+
+CREATE SCHEMA rt_spoof;
+CREATE DOMAIN rt_spoof.raster AS text;
+CREATE FUNCTION rt_spoof.postgis_raster_lib_version()
+ RETURNS text LANGUAGE sql IMMUTABLE AS $$ SELECT 'spoof'::text $$;
+SET search_path TO rt_spoof, public;
+SELECT :schema _overview_constraint(
+ (SELECT r FROM public.o_2_res1 LIMIT 1),
+ 2, 'public', 'res1', 'r'
+);
+RESET search_path;
+DROP SCHEMA rt_spoof CASCADE;
+
SELECT 'count',
(SELECT count(*) r1 from res1),
(SELECT count(*) r2 from o_2_res1),
@@ -58,36 +100,49 @@ DROP TABLE o_2_res1;
-- Test overview with table in schema
--
CREATE SCHEMA oschm;
+SELECT set_config(
+ 'search_path',
+ COALESCE(NULLIF(pg_catalog.rtrim(:'schema', '.'), ''), 'public') || ',public',
+ false
+) IS NOT NULL;
-- offset the schema tableto distinguish it from original
-- let it be small to reduce time cost.
CREATE TABLE oschm.res1 AS SELECT
- ST_AddBand(
- ST_MakeEmptyRaster(10, 10, x, y, 1, -1, 0, 0, 0)
+ :schema ST_AddBand(
+ :schema ST_MakeEmptyRaster(10, 10, x, y, 1, -1, 0, 0, 0)
, 1, '8BUI', 0, 0
) r
FROM generate_series(100, 270, 10) x,
generate_series(140, -30, -10) y;
-SELECT addrasterconstraints('oschm'::name,'res1'::name, 'r'::name);
+SELECT :schema addrasterconstraints('oschm'::name,'res1'::name, 'r'::name);
-- add overview with explicit schema
-SELECT ST_CreateOverview('oschm.res1', 'r', 8)::text = 'oschm.o_8_res1';
+SELECT :schema ST_CreateOverview('oschm.res1', 'r', 8)::text = 'oschm.o_8_res1';
-- set search path to 'oschm' first
-SET search_path to oschm,public;
+SELECT set_config(
+ 'search_path',
+ 'oschm,' || COALESCE(NULLIF(pg_catalog.rtrim(:'schema', '.'), ''), 'public') || ',public',
+ false
+) IS NOT NULL;
-- create overview with schema in search_path
-SELECT ST_CreateOverview('res1', 'r', 4)::text = 'o_4_res1';
+SELECT :schema ST_CreateOverview('res1', 'r', 4)::text = 'o_4_res1';
-- Create overview for table in public schema with explicit path
-- at same factor of schema table
-SELECT ST_CreateOverview('public.res1', 'r', 8)::text = 'public.o_8_res1';
+SELECT :schema ST_CreateOverview('public.res1', 'r', 8)::text = 'public.o_8_res1';
-- Reset the search_path
-SET search_path to public;
+SELECT set_config(
+ 'search_path',
+ COALESCE(NULLIF(pg_catalog.rtrim(:'schema', '.'), ''), 'public') || ',public',
+ false
+) IS NOT NULL;
-- Create public overview of public table with same name
-- and scale as schema table above using reset search path.
-SELECT ST_CreateOverview('res1', 'r', 4)::text = 'o_4_res1';
+SELECT :schema ST_CreateOverview('res1', 'r', 4)::text = 'o_4_res1';
-- Check scale and extent
-- Offset means that original raster overviews won't match
@@ -97,14 +152,14 @@ SELECT r_table_schema, r_table_name tab, r_raster_column c,
blocksize_x w, blocksize_y h, same_alignment a,
-- regular_blocking (why not regular?)
--extent::box2d e,
- st_covers(extent::box2d, 'BOX(100 -30,270 140)'::box2d) ec,
- st_xmin(extent::box2d) = 100 as eix,
- st_ymax(extent::box2d) = 140 as eiy,
- (st_xmax(extent::box2d) - 280) <= scale_x as eox,
+ :schema st_covers(extent:: :schema box2d, 'BOX(100 -30,270 140)':: :schema box2d) ec,
+ :schema st_xmin(extent:: :schema box2d) = 100 as eix,
+ :schema st_ymax(extent:: :schema box2d) = 140 as eiy,
+ (:schema st_xmax(extent:: :schema box2d) - 280) <= scale_x as eox,
--(st_xmax(extent::box2d) - 170) eoxd,
- abs(st_ymin(extent::box2d) + 40) <= abs(scale_y) as eoy
+ abs(:schema st_ymin(extent:: :schema box2d) + 40) <= abs(scale_y) as eoy
--,abs(st_ymin(extent::box2d) + 80) eoyd
- FROM raster_columns
+ FROM :schema raster_columns
WHERE r_table_name like '%res1'
ORDER BY r_table_schema, scale_x, r_table_name;
@@ -112,7 +167,7 @@ ORDER BY r_table_schema, scale_x, r_table_name;
-- overview factor is correct, which we do for the original table.
SELECT o_table_schema, o_table_name, o_raster_column,
r_table_schema, r_table_name, r_raster_column, overview_factor
-FROM raster_overviews
+FROM :schema raster_overviews
WHERE r_table_name = 'res1'
AND r_table_schema = 'oschm'
ORDER BY o_table_schema,overview_factor;
@@ -133,6 +188,104 @@ DROP TABLE o_8_res1;
DROP TABLE o_4_res1;
DROP TABLE res1;
+-- Overview creation should not require SELECT on the raster_columns view.
+SET postgis_reg.schema TO :'schema';
+DO $$
+DECLARE
+ can_manage_view boolean;
+ can_manage_role boolean;
+ had_public_select boolean;
+ ext_schema text := COALESCE(NULLIF(pg_catalog.rtrim(current_setting('postgis_reg.schema'), '.'), ''), 'public');
+ test_role name := format('rt_overview_acl_user_%s_%s', pg_backend_pid(), txid_current());
+ test_schema name := format('rt_overview_acl_%s_%s', pg_backend_pid(), txid_current());
+ created_role boolean := false;
+ created_schema boolean := false;
+BEGIN
+ SELECT pg_has_role(c.relowner, 'USAGE')
+ INTO can_manage_view
+ FROM pg_class c
+ JOIN pg_namespace n ON n.oid = c.relnamespace
+ WHERE n.nspname = ext_schema
+ AND c.relname = 'raster_columns'
+ AND c.relkind = 'v';
+
+ SELECT rolsuper
+ INTO can_manage_role
+ FROM pg_roles
+ WHERE rolname = current_user;
+
+ IF NOT COALESCE(can_manage_view, false) OR NOT COALESCE(can_manage_role, false) THEN
+ RETURN;
+ END IF;
+
+ SELECT EXISTS (
+ SELECT 1
+ FROM pg_class c
+ JOIN pg_namespace n ON n.oid = c.relnamespace
+ CROSS JOIN LATERAL aclexplode(COALESCE(c.relacl, acldefault('r', c.relowner))) a
+ WHERE n.nspname = ext_schema
+ AND c.relname = 'raster_columns'
+ AND c.relkind = 'v'
+ AND a.grantee = 0
+ AND a.privilege_type = 'SELECT'
+ )
+ INTO had_public_select;
+
+ -- Roles and schemas may outlive a failed regression on a non-disposable
+ -- PostgreSQL instance, so use per-run names and only remove objects created
+ -- by this block.
+ EXECUTE format('CREATE ROLE %I', test_role);
+ created_role := true;
+ EXECUTE format('CREATE SCHEMA %I AUTHORIZATION %I', test_schema, test_role);
+ created_schema := true;
+ EXECUTE format('GRANT USAGE ON SCHEMA %I TO %I', ext_schema, test_role);
+ EXECUTE format('REVOKE SELECT ON %I.raster_columns FROM PUBLIC', ext_schema);
+ EXECUTE format('SET ROLE %I', test_role);
+ PERFORM set_config('search_path', format('%I, %I, public', test_schema, ext_schema), true);
+
+ CREATE TABLE res_acl AS SELECT
+ ST_AddBand(
+ ST_MakeEmptyRaster(10, 10, x, y, 1, -1, 0, 0, 0)
+ , 1, '8BUI', 0, 0
+ ) r
+ FROM generate_series(0, 10, 10) x,
+ generate_series(10, 0, -10) y;
+ PERFORM addrasterconstraints('res_acl', 'r');
+
+ CREATE TABLE o_2_res_acl AS SELECT r FROM res_acl LIMIT 1;
+ PERFORM AddOverviewConstraints('o_2_res_acl', 'r', 'res_acl', 'r', 2);
+
+ RESET ROLE;
+ IF had_public_select THEN
+ EXECUTE format('GRANT SELECT ON %I.raster_columns TO PUBLIC', ext_schema);
+ ELSE
+ EXECUTE format('REVOKE SELECT ON %I.raster_columns FROM PUBLIC', ext_schema);
+ END IF;
+ EXECUTE format('DROP SCHEMA %I CASCADE', test_schema);
+ created_schema := false;
+ EXECUTE format('REVOKE USAGE ON SCHEMA %I FROM %I', ext_schema, test_role);
+ EXECUTE format('DROP ROLE %I', test_role);
+ created_role := false;
+EXCEPTION WHEN OTHERS THEN
+ RESET ROLE;
+ IF had_public_select IS NOT NULL THEN
+ IF had_public_select THEN
+ EXECUTE format('GRANT SELECT ON %I.raster_columns TO PUBLIC', ext_schema);
+ ELSE
+ EXECUTE format('REVOKE SELECT ON %I.raster_columns FROM PUBLIC', ext_schema);
+ END IF;
+ END IF;
+ IF created_schema THEN
+ EXECUTE format('DROP SCHEMA IF EXISTS %I CASCADE', test_schema);
+ END IF;
+ IF created_role THEN
+ EXECUTE format('REVOKE USAGE ON SCHEMA %I FROM %I', ext_schema, test_role);
+ EXECUTE format('DROP ROLE IF EXISTS %I', test_role);
+ END IF;
+ RAISE;
+END;
+$$;
+
-- Reset the session environment
-- possibly a bit harsh, but we had to set the search_path
-- and need to reset it back to default.
diff --git a/raster/test/regress/rt_createoverview_expected b/raster/test/regress/rt_createoverview_expected
index e3afec47ac..770713afa8 100644
--- a/raster/test/regress/rt_createoverview_expected
+++ b/raster/test/regress/rt_createoverview_expected
@@ -12,12 +12,19 @@ o_2_res1|r|res1|r|2
o_4_res1|r|res1|r|4
o_8_res1|r|res1|r|8
o_16_res1|r|res1|r|16
+t
+t
+t
+t
count|544|136|36|10|3
t
t
t
t
t
+t
+t
+t
oschm|res1|r|0|1|-1|10|10|t|t|t|t|t|t
oschm|o_4_res1|r|0|4|-4|10|10|t|t|t|t|t|t
oschm|o_8_res1|r|0|8|-8|10|10|t|t|t|t|t|t
-----------------------------------------------------------------------
Summary of changes:
NEWS | 2 +
raster/rt_pg/rtpostgis.sql.in | 42 +++-
raster/test/regress/check_raster_overviews.sql | 33 ++++
.../test/regress/check_raster_overviews_expected | 3 +
raster/test/regress/rt_createoverview.sql | 213 ++++++++++++++++++---
raster/test/regress/rt_createoverview_expected | 7 +
6 files changed, 260 insertions(+), 40 deletions(-)
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