Auto-format .sql files using github.com/sql-formatter-org/sql-formatter - anagram (#141)

Author: IsaacG

exercises/practice/anagram/.meta/example.sql

@@ -1,43 +1,92 @@
 DROP TABLE IF EXISTS tmp;
+
 CREATE TEMPORARY TABLE tmp AS
-  SELECT CAST(word AS TEXT) word FROM (
-    SELECT LOWER(subject) word FROM anagram
-     UNION
-    SELECT LOWER(j.VALUE)
-      FROM anagram, JSON_EACH(candidates) j
+SELECT
+  CAST(word AS TEXT) word
+FROM
+  (
+    SELECT
+      LOWER(subject) word
+    FROM
+      anagram
+    UNION
+    SELECT
+      LOWER(j.VALUE)
+    FROM
+      anagram,
+      JSON_EACH(candidates) j
   );
-ALTER TABLE tmp ADD s TEXT;
+
+ALTER TABLE tmp
+ADD s TEXT;
+
 UPDATE tmp
-   SET s = (
-     WITH RECURSIVE rcte(word,c) AS (
-       VALUES(word, '')
-       UNION ALL
-       SELECT SUBSTR(word, 2), SUBSTR(word, 1, 1)
-       FROM rcte
-       WHERE LENGTH(word) > 0
-     )
-     SELECT GROUP_CONCAT(c, '')
-       FROM (
-         SELECT c
-           FROM rcte
-          WHERE UNICODE(c) BETWEEN UNICODE('a') AND UNICODE('z')
-          ORDER BY c
-       )
-   );
+SET
+  s = (
+    WITH RECURSIVE
+      rcte (word, c) AS (
+        VALUES
+          (word, '')
+        UNION ALL
+        SELECT
+          SUBSTR(word, 2),
+          SUBSTR(word, 1, 1)
+        FROM
+          rcte
+        WHERE
+          LENGTH(word) > 0
+      )
+    SELECT
+      GROUP_CONCAT(c, '')
+    FROM
+      (
+        SELECT
+          c
+        FROM
+          rcte
+        WHERE
+          UNICODE(c) BETWEEN UNICODE('a') AND UNICODE('z')
+        ORDER BY
+          c
+      )
+  );
 
 UPDATE anagram
-   SET result = (
-     SELECT JSON_GROUP_ARRAY(candidate)
-       FROM (
-         SELECT subject, candidate,
-                (SELECT s FROM tmp WHERE LOWER(subject)   = word) AS a,
-                (SELECT s FROM tmp WHERE LOWER(candidate) = word) AS b
-           FROM (
-             SELECT subject,
-                    j.VALUE AS candidate
-               FROM JSON_EACH(candidates) AS j
-           )
-       )
-      WHERE a = b
-        AND LOWER(subject) <> LOWER(candidate)
-   );
+SET
+  result = (
+    SELECT
+      JSON_GROUP_ARRAY(candidate)
+    FROM
+      (
+        SELECT
+          subject,
+          candidate,
+          (
+            SELECT
+              s
+            FROM
+              tmp
+            WHERE
+              LOWER(subject) = word
+          ) AS a,
+          (
+            SELECT
+              s
+            FROM
+              tmp
+            WHERE
+              LOWER(candidate) = word
+          ) AS b
+        FROM
+          (
+            SELECT
+              subject,
+              j.VALUE AS candidate
+            FROM
+              JSON_EACH(candidates) AS j
+          )
+      )
+    WHERE
+      a = b
+      AND LOWER(subject) <> LOWER(candidate)
+  );

exercises/practice/anagram/anagram.sql

@@ -3,7 +3,6 @@
 --           candidates TEXT NOT NULL,     -- json array of strings
 --           result     TEXT               -- json array of strings
 --         );
-
 -- Task: update the anagram table and set the result based on valid
 --       candidates for the subject field
 --       * the candidates column contains a JSON-encoded list of strings.

exercises/practice/anagram/anagram_test.sql

@@ -1,43 +1,78 @@
 -- Create database:
 .read ./create_fixture.sql
-
 -- Read user student solution and save any output as markdown in user_output.md:
 .mode markdown
 .output user_output.md
 .read ./anagram.sql
 .output
-
 -- Create a clean testing environment:
 .read ./create_test_table.sql
-
 -- Comparison of user input and the tests updates the status for each test:
 UPDATE tests
-SET status = 'pass'
-FROM (SELECT subject, candidates, result FROM anagram) AS actual
-WHERE (actual.subject, actual.candidates, JSON(actual.result)) = (tests.subject, tests.candidates, JSON(tests.expected));
+SET
+  status = 'pass'
+FROM
+  (
+    SELECT
+      subject,
+      candidates,
+      result
+    FROM
+      anagram
+  ) AS actual
+WHERE
+  (
+    actual.subject,
+    actual.candidates,
+    JSON(actual.result)
+  ) = (
+    tests.subject,
+    tests.candidates,
+    JSON(tests.expected)
+  );
 
 -- Update message for failed tests to give helpful information:
 UPDATE tests
-SET message = (
-    'Result for "'
-    || JSON_OBJECT(
-         'subject',    tests.subject,
-         'candidates', JSON(tests.candidates)
-       )
-    || '"'
-    || ' is <' || COALESCE(actual.result, 'NULL')
-    || '> but should be <' || tests.expected || '>'
-)
-FROM (SELECT subject, candidates, result FROM anagram) AS actual
-WHERE (actual.subject, actual.candidates) = (tests.subject, tests.candidates) AND tests.status = 'fail';
+SET
+  message = (
+    'Result for "' || JSON_OBJECT(
+      'subject',
+      tests.subject,
+      'candidates',
+      JSON(tests.candidates)
+    ) || '"' || ' is <' || COALESCE(actual.result, 'NULL') || '> but should be <' || tests.expected || '>'
+  )
+FROM
+  (
+    SELECT
+      subject,
+      candidates,
+      result
+    FROM
+      anagram
+  ) AS actual
+WHERE
+  (actual.subject, actual.candidates) = (tests.subject, tests.candidates)
+  AND tests.status = 'fail';
 
 -- Save results to ./output.json (needed by the online test-runner)
 .mode json
 .once './output.json'
-SELECT description, status, message, output, test_code, task_id
-FROM tests;
+SELECT
+  description,
+  status,
+  message,
+  output,
+  test_code,
+  task_id
+FROM
+  tests;
 
 -- Display test results in readable form for the student:
 .mode table
-SELECT description, status, message
-FROM tests;
+SELECT
+  description,
+  status,
+  message
+FROM
+  tests;

exercises/practice/anagram/create_fixture.sql

@@ -1,10 +1,13 @@
 DROP TABLE IF EXISTS anagram;
+
 CREATE TABLE anagram (
-  subject    TEXT NOT NULL,
-  candidates TEXT NOT NULL,     -- json array of strings
-  result     TEXT               -- json array of strings
+  subject TEXT NOT NULL,
+  candidates TEXT NOT NULL, -- json array of strings
+  result TEXT -- json array of strings
 );
+
 .mode csv
 .import ./data.csv anagram
-
-UPDATE anagram SET result = NULL;
+UPDATE anagram
+SET
+  result = NULL;