Basic structure of the extension & package

pg/.gitignore

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+dist/
+test/regression.diffs
+test/regression.out

pg/Makefile

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+EXTENSION    = crankshaft
+EXTVERSION   = $(shell grep default_version $(EXTENSION).control | sed -e "s/default_version[[:space:]]*=[[:space:]]*'\([^']*\)'/\1/")
+
+DATA         = dist/$(EXTENSION)--$(EXTVERSION).sql
+
+SOURCES_DATA_DIR = sql
+SOURCES_DATA = $(wildcard sql/$(EXTVERSION)/*.sql)
+
+dist/$(EXTENSION)--$(EXTVERSION).sql: $(SOURCES_DATA)
+	rm -f $@
+	cat $(SOURCES_DATA_DIR)/*.sql >> $@
+
+dist/$(EXTENSION).control: $(EXTENSION).control
+	cp $< $@
+
+REGRESS = $(notdir $(basename $(wildcard test/sql/*test.sql)))
+TEST_DIR = test
+REGRESS_OPTS = --inputdir='$(TEST_DIR)' --outputdir='$(TEST_DIR)'
+
+PG_CONFIG = pg_config
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)

pg/README.md

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+
+# Running the tests:
+
+```
+sudo make install
+PGUSER=postgres make installcheck
+```

pg/crankshaft.control

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+comment = 'CartoDB Spatial Analysis extension'
+default_version = '0.0.1'
+requires = 'plpythonu'
+superuser = true
+schema = cdb_crankshaft

pg/sql/poc_xyz.sql

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+CREATE OR REPLACE FUNCTION cdb_poc_xyz()
+RETURNS Text AS $$
+    from crankshaft.poc import xyz
+    return xyz()
+$$ LANGUAGE plpythonu;

pg/test/expected/01_install_test.out

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+-- Install dependencies
+CREATE EXTENSION plpythonu;
+-- Install the extension
+CREATE EXTENSION crankshaft;

pg/test/expected/02_poc_xyz_test.out

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+SELECT cdb_crankshaft.cdb_poc_xyz();
+ cdb_poc_xyz 
+-------------
+ xyz-result
+(1 row)
+

pg/test/results/01_install_test.out

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+-- Install dependencies
+CREATE EXTENSION plpythonu;
+-- Install the extension
+CREATE EXTENSION crankshaft;

pg/test/results/02_poc_xyz_test.out

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+SELECT cdb_crankshaft.cdb_poc_xyz();
+ cdb_poc_xyz 
+-------------
+ xyz-result
+(1 row)
+

pg/test/sql/01_install_test.sql

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+-- Install dependencies
+CREATE EXTENSION plpythonu;
+
+-- Install the extension
+CREATE EXTENSION crankshaft;

pg/test/sql/02_poc_xyz_test.sql

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+SELECT cdb_crankshaft.cdb_poc_xyz();