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feat: find element in jsonb by path is works!!!

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This commit is contained in:
yukkop
2025-05-15 17:48:28 +00:00
parent c28e7fcfd5
commit 54684c0f78
4 changed files with 754 additions and 1413 deletions
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29
package/c/hemar/hemar--0.1.sql
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@@ -2,31 +2,14 @@
\echo Use "CREATE EXTENSION hemar" to load this file. \quit \echo Use "CREATE EXTENSION hemar" to load this file. \quit
CREATE SCHEMA hemar; CREATE SCHEMA hemar;
-- Define the template rendering functions using hectic library
-- Expected usage:
-- ```sql
-- SELECT "hemar"."render"(
-- "declare" :=
-- jsonb_build_object(
-- 'name', 'test',
-- 'config', jsonb_build_object(
-- 'debug', true,
-- 'limit', 100
-- )
-- ),
-- "template" := $hemar$
-- {{ name }} {{ config.limit }}
-- $hemar$
-- );
-- ```
CREATE FUNCTION "hemar"."render"("declare" jsonb, "template" text)
RETURNS text
LANGUAGE C STRICT
AS 'hemar', 'pg_render';
-- Parse function returns the structure of a template for debugging -- Parse function returns the structure of a template for debugging
CREATE FUNCTION "hemar"."parse"("template" text) CREATE FUNCTION "hemar"."parse"("template" text)
RETURNS text RETURNS text
LANGUAGE C STRICT LANGUAGE C STRICT
AS 'hemar', 'pg_template_parse'; AS 'hemar', 'pg_template_parse';
-- JSONB path access function
CREATE FUNCTION "hemar"."jsonb_get_by_path"("json" jsonb, "path" text)
RETURNS jsonb
LANGUAGE C STRICT
AS 'hemar', 'pg_jsonb_get_by_path';

1646
package/c/hemar/hemar.c
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File diff suppressed because it is too large Load Diff

260
package/c/hemar/test/test_jsonb_path.sql
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@@ -1,333 +1,267 @@
-- Test file for hemar.jsonb_get_by_path function
-- Test file for hemar.jsonb_get_by_path function
-- Run with: psql -f test_jsonb_path.sql -- Run with: psql -f test_jsonb_path.sql
-- Load extension if not already loaded -- Load extension if not already loaded
-- CREATE EXTENSION IF NOT EXISTS hemar; -- CREATE EXTENSION IF NOT EXISTS hemar;
-- Create sample test data -- Create sample test data
DO $$ DO $$
DECLARE DECLARE
test_json jsonb; test_json jsonb;
result jsonb; result jsonb;
passed boolean; passed boolean;
total_tests integer := 0; total_tests integer := 0;
passed_tests integer := 0; passed_tests integer := 0;
current_path text;
BEGIN BEGIN
test_json := jsonb_build_object( test_json := jsonb_build_object(
'name', 'John Doe', 'name', 'John Doe',
'age', 30, 'age', 30,
'is_active', true, 'is_active', true,
'tags', jsonb_build_array('developer', 'postgresql', 'jsonb'), 'tags', jsonb_build_array('developer', 'postgresql', 'jsonb'),
'address', jsonb_build_object( 'address', jsonb_build_object(
'street', '123 Main St', 'street', '123 Main St',
'city', 'New York', 'city', 'New York',
'zip', '10001' 'zip', '10001'
), ),
'contacts', jsonb_build_array( 'contacts', jsonb_build_array(
jsonb_build_object( jsonb_build_object(
'type', 'email', 'type', 'email',
'value', 'john@example.com' 'value', 'john@example.com'
), ),
jsonb_build_object( jsonb_build_object(
'type', 'phone', 'type', 'phone',
'value', '555-1234', 'value', '555-1234',
'verified', true 'verified', true
) )
), ),
'skills', jsonb_build_array( 'skills', jsonb_build_array(
jsonb_build_array('PostgreSQL', 5), jsonb_build_array('PostgreSQL', 5),
jsonb_build_array('Python', 4), jsonb_build_array('Python', 4),
jsonb_build_array('JavaScript', 3) jsonb_build_array('JavaScript', 3)
) )
); );
-- Test basic field access -- Test basic field access
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'name'); current_path := 'name';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '"John Doe"'::jsonb; passed := result = '"John Doe"'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Simple field access (string): % | PASSED: %', RAISE NOTICE 'Test %: Simple field access (path="%"): % | PASSED: %',
total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Simple field access (string): % | PASSED: % (expected: "John Doe")', RAISE WARNING 'Test %: Simple field access (path="%"): % | PASSED: % (expected: "John Doe")',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'age'); current_path := 'age';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '30'::jsonb; passed := result = '30'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Numeric field access (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Numeric field access: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Numeric field access: % | PASSED: % (expected: 30)', RAISE WARNING 'Test %: Numeric field access (path="%"): % | PASSED: % (expected: 30)',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'is_active'); current_path := 'is_active';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = 'true'::jsonb; passed := result = 'true'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Boolean field access: % | PASSED: %', RAISE NOTICE 'Test %: Boolean field access (path="%"): % | PASSED: %',
total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Boolean field access: % | PASSED: % (expected: true)', RAISE WARNING 'Test %: Boolean field access (path="%"): % | PASSED: % (expected: true)',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
-- Test nested field access -- Test nested field access
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'address.city'); current_path := 'address.city';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '"New York"'::jsonb; passed := result = '"New York"'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Nested object field access (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Nested object field access: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Nested object field access: % | PASSED: % (expected: "New York")', RAISE WARNING 'Test %: Nested object field access (path="%"): % | PASSED: % (expected: "New York")',
total_tests, current_path, result, passed;
total_tests, result, passed;
END IF; END IF;
-- Test array access -- Test array access
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'tags[1]'); current_path := 'tags[1]';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '"postgresql"'::jsonb; passed := result = '"postgresql"'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Simple array access (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Simple array access: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Simple array access: % | PASSED: % (expected: "postgresql")',
total_tests, result, passed; RAISE WARNING 'Test %: Simple array access (path="%"): % | PASSED: % (expected: "postgresql")',
total_tests, current_path, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'contacts[0].type'); current_path := 'contacts[0].type';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '"email"'::jsonb; passed := result = '"email"'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Object in array access: % | PASSED: %', RAISE NOTICE 'Test %: Object in array access (path="%"): % | PASSED: %',
total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Object in array access: % | PASSED: % (expected: "email")', RAISE WARNING 'Test %: Object in array access (path="%"): % | PASSED: % (expected: "email")',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'skills[1][0]'); current_path := 'skills[1][0]';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '"Python"'::jsonb; passed := result = '"Python"'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Nested array access (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Nested array access: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Nested array access: % | PASSED: % (expected: "Python")', RAISE WARNING 'Test %: Nested array access (path="%"): % | PASSED: % (expected: "Python")',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'contacts[1].value'); current_path := 'contacts[1].value';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '"555-1234"'::jsonb; passed := result = '"555-1234"'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Complex path with multiple array indices (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Complex path with multiple array indices: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Complex path with multiple array indices: % | PASSED: % (expected: "555-1234")', RAISE WARNING 'Test %: Complex path with multiple array indices (path="%"): % | PASSED: % (expected: "555-1234")',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
-- Test object and array returns -- Test object and array returns
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'address'); current_path := 'address';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := jsonb_typeof(result) = 'object'; passed := jsonb_typeof(result) = 'object';
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Path to object (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Path to object: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Path to object: % | PASSED: % (expected type: object, got: %)', RAISE WARNING 'Test %: Path to object (path="%"): % | PASSED: % (expected type: object, got: %)',
total_tests, current_path, result, passed, jsonb_typeof(result);
total_tests, result, passed, jsonb_typeof(result);
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'contacts'); current_path := 'contacts';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := jsonb_typeof(result) = 'array'; passed := jsonb_typeof(result) = 'array';
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Path to array (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Path to array: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Path to array: % | PASSED: % (expected type: array, got: %)', RAISE WARNING 'Test %: Path to array (path="%"): % | PASSED: % (expected type: array, got: %)',
total_tests, result, passed, jsonb_typeof(result); total_tests, current_path, result, passed, jsonb_typeof(result);
END IF; END IF;
-- Test error cases -- Test error cases
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'unknown_field'); current_path := 'unknown_field';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result IS NULL; passed := result IS NULL;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Non-existent field (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Non-existent field: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Non-existent field: % | PASSED: % (expected: NULL)', RAISE WARNING 'Test %: Non-existent field (path="%"): % | PASSED: % (expected: NULL)',
total_tests, current_path, result, passed;
total_tests, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'address.country'); current_path := 'address.country';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result IS NULL; passed := result IS NULL;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Non-existent nested field: % | PASSED: %', RAISE NOTICE 'Test %: Non-existent nested field (path="%"): % | PASSED: %',
total_tests, result, passed; total_tests, current_path, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Non-existent nested field (path="%"): % | PASSED: % (expected: NULL)',
RAISE WARNING 'Test %: Non-existent nested field: % | PASSED: % (expected: NULL)', total_tests, current_path, result, passed;
total_tests, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'tags[10]'); current_path := 'tags[10]';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result IS NULL; passed := result IS NULL;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Array index out of bounds (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Array index out of bounds: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Array index out of bounds: % | PASSED: % (expected: NULL)', RAISE WARNING 'Test %: Array index out of bounds (path="%"): % | PASSED: % (expected: NULL)',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
-- Test edge cases -- Test edge cases
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, ''); current_path := '';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result IS NULL; passed := result IS NULL;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Empty path (path="%"): % | PASSED: %',
RAISE NOTICE 'Test %: Empty path: % | PASSED: %', total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Empty path: % | PASSED: % (expected: NULL)', RAISE WARNING 'Test %: Empty path (path="%"): % | PASSED: % (expected: NULL)',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
total_tests := total_tests + 1; total_tests := total_tests + 1;
result := hemar.jsonb_get_by_path(test_json, 'skills[0][1]'); current_path := 'skills[0][1]';
result := hemar.jsonb_get_by_path(test_json, current_path);
passed := result = '5'::jsonb; passed := result = '5'::jsonb;
passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END); passed_tests := passed_tests + (CASE WHEN passed THEN 1 ELSE 0 END);
IF passed THEN IF passed THEN
RAISE NOTICE 'Test %: Multiple array indices: % | PASSED: %', RAISE NOTICE 'Test %: Multiple array indices (path="%"): % | PASSED: %',
total_tests, current_path, result, passed;
total_tests, result, passed;
ELSE ELSE
RAISE WARNING 'Test %: Multiple array indices: % | PASSED: % (expected: 5)', RAISE WARNING 'Test %: Multiple array indices (path="%"): % | PASSED: % (expected: 5)',
total_tests, result, passed; total_tests, current_path, result, passed;
END IF; END IF;
-- Print summary -- Print summary
RAISE NOTICE '------------------------------------';
IF passed_tests = total_tests THEN IF passed_tests = total_tests THEN
RAISE NOTICE '------------------------------------';
RAISE NOTICE 'SUMMARY: % of % tests passed (100%%)', RAISE NOTICE 'SUMMARY: % of % tests passed (100%%)',
passed_tests, total_tests; passed_tests, total_tests;
RAISE NOTICE '------------------------------------';
ELSE ELSE
RAISE WARNING '------------------------------------';
RAISE WARNING 'SUMMARY: % of % tests passed (%)', RAISE WARNING 'SUMMARY: % of % tests passed (%)',
passed_tests, passed_tests,
total_tests, total_tests,
round((passed_tests::numeric / total_tests::numeric) * 100, 2) || '%'; round((passed_tests::numeric / total_tests::numeric) * 100, 2) || '%';
RAISE WARNING '------------------------------------';
END IF; END IF;
RAISE NOTICE '------------------------------------';
IF passed_tests != total_tests THEN IF passed_tests != total_tests THEN
RAISE EXCEPTION 'Tests failed: % of % tests did not pass', (total_tests - passed_tests), total_tests; RAISE EXCEPTION 'Tests failed: % of % tests did not pass', (total_tests - passed_tests), total_tests;
END IF; END IF;
END $$; END $$;