Directory reorganization and sketch of new versioning procedure

src/pg/test/sql/01_install_test.sql

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+-- Install dependencies
+CREATE EXTENSION plpythonu;
+CREATE EXTENSION postgis;
+CREATE EXTENSION cartodb;
+
+-- Install the extension
+CREATE EXTENSION crankshaft VERSION 'dev';

src/pg/test/sql/02_moran_test.sql

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+\i test/fixtures/ppoints.sql
+\i test/fixtures/ppoints2.sql
+
+-- Moral functions perform some nondeterministic computations
+-- (to estimate the significance); we will set the seeds for the RNGs
+-- that affect those results to have repeateble results
+SELECT cdb_crankshaft._cdb_random_seeds(1234);
+
+SELECT ppoints.code, m.quads
+  FROM ppoints
+  JOIN cdb_crankshaft.cdb_moran_local('ppoints', 'value') m
+    ON ppoints.cartodb_id = m.ids
+  ORDER BY ppoints.code;
+
+SELECT cdb_crankshaft._cdb_random_seeds(1234);
+
+SELECT ppoints2.code, m.quads
+  FROM ppoints2
+  JOIN cdb_crankshaft.cdb_moran_local_rate('ppoints2', 'numerator', 'denominator') m
+    ON ppoints2.cartodb_id = m.ids
+  ORDER BY ppoints2.code;

src/pg/test/sql/03_overlap_sum_test.sql

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+\i test/fixtures/polyg_values.sql
+
+SELECT round(cdb_crankshaft.cdb_overlap_sum(
+  '0106000020E61000000100000001030000000100000004000000FFFFFFFFFF3604C09A0B9ECEC42E444000000000C060FBBF30C7FD70E01D44400000000040AD02C06481F1C8CD034440FFFFFFFFFF3604C09A0B9ECEC42E4440'::geometry,
+  'values', 'value'
+), 2);
+
+SELECT round(cdb_crankshaft.cdb_overlap_sum(
+  '0106000020E61000000100000001030000000100000004000000FFFFFFFFFF3604C09A0B9ECEC42E444000000000C060FBBF30C7FD70E01D44400000000040AD02C06481F1C8CD034440FFFFFFFFFF3604C09A0B9ECEC42E4440'::geometry,
+  'values', 'value', schema_name := 'public'
+), 2);

src/pg/test/sql/04_dot_density_test.sql

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+WITH g AS (
+  SELECT ST_Buffer(ST_SetSRID(ST_MakePoint(0,0),4326)::geometry, 1000)::geometry AS g
+),
+points AS(
+  SELECT (
+    ST_Dump(
+      cdb_crankshaft.cdb_dot_density(g.g, 100)
+    )
+  ).geom AS p FROM g
+)
+
+SELECT count(*), sum(CASE WHEN ST_Contains(g,p) THEN 1 ELSE 0 END) FROM points, g

src/pg/test/sql/90_permissions.sql

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+SELECT cdb_crankshaft._cdb_random_seeds(1234);
+
+-- Use regular user role
+SET ROLE test_regular_user;
+
+-- Add to the search path the schema
+SET search_path TO public,cartodb,cdb_crankshaft;
+
+-- Exercise public functions
+SELECT ppoints.code, m.quads
+  FROM ppoints
+  JOIN cdb_moran_local('ppoints', 'value') m
+    ON ppoints.cartodb_id = m.ids
+  ORDER BY ppoints.code;
+SELECT round(cdb_overlap_sum(
+  '0106000020E61000000100000001030000000100000004000000FFFFFFFFFF3604C09A0B9ECEC42E444000000000C060FBBF30C7FD70E01D44400000000040AD02C06481F1C8CD034440FFFFFFFFFF3604C09A0B9ECEC42E4440'::geometry,
+  'values', 'value'
+), 2);