removing inline sql. (#3529)

* removing inline sql.

* Update index.js

trying to fix indentation.

* Update index.js

commenting out console output for errors.

* Rename json-object-set-key.sql to json-object-set-keys.sql

* Update index.js

* Update add-unique.sql

correcting sql.

* Update add.sql

correcting sql.

* Update contains-all.sql

correcting sql.

* Update contains.sql

correcting sql.

* Update remove.sql

correcting sql.

* Update json-object-set-keys.sql

fixing sql reserved words.

src/Adapters/Storage/Postgres/sql/array/add-unique.sql

@@ -0,0 +1,11 @@
+CREATE OR REPLACE FUNCTION array_add_unique(
+  "array"   jsonb,
+  "values"  jsonb
+)
+  RETURNS jsonb
+  LANGUAGE sql
+  IMMUTABLE
+  STRICT
+AS $function$
+  SELECT array_to_json(ARRAY(SELECT DISTINCT unnest(ARRAY(SELECT DISTINCT jsonb_array_elements("array")) ||  ARRAY(SELECT DISTINCT jsonb_array_elements("values")))))::jsonb;
+$function$;

src/Adapters/Storage/Postgres/sql/array/add.sql

@@ -0,0 +1,11 @@
+CREATE OR REPLACE FUNCTION array_add(
+  "array"   jsonb,
+  "values"  jsonb
+)
+  RETURNS jsonb
+  LANGUAGE sql
+  IMMUTABLE
+  STRICT
+AS $function$
+  SELECT array_to_json(ARRAY(SELECT unnest(ARRAY(SELECT DISTINCT jsonb_array_elements("array")) ||  ARRAY(SELECT jsonb_array_elements("values")))))::jsonb;
+$function$;

src/Adapters/Storage/Postgres/sql/array/contains-all.sql

@@ -0,0 +1,11 @@
+CREATE OR REPLACE FUNCTION array_contains_all(
+  "array"   jsonb,
+  "values"  jsonb
+)
+  RETURNS boolean
+  LANGUAGE sql
+  IMMUTABLE
+  STRICT
+AS $function$
+  SELECT RES.CNT = jsonb_array_length("values") FROM (SELECT COUNT(*) as CNT FROM jsonb_array_elements("array") as elt WHERE elt IN (SELECT jsonb_array_elements("values"))) as RES;
+$function$;

src/Adapters/Storage/Postgres/sql/array/contains.sql

@@ -0,0 +1,11 @@
+CREATE OR REPLACE FUNCTION array_contains(
+  "array"   jsonb,
+  "values"  jsonb
+)
+  RETURNS boolean
+  LANGUAGE sql
+  IMMUTABLE
+  STRICT
+AS $function$
+  SELECT RES.CNT >= 1 FROM (SELECT COUNT(*) as CNT FROM jsonb_array_elements("array") as elt WHERE elt IN (SELECT jsonb_array_elements("values"))) as RES;
+$function$;

src/Adapters/Storage/Postgres/sql/array/remove.sql

@@ -0,0 +1,11 @@
+CREATE OR REPLACE FUNCTION array_remove(
+  "array"   jsonb,
+  "values"  jsonb
+)
+  RETURNS jsonb
+  LANGUAGE sql
+  IMMUTABLE
+  STRICT
+AS $function$
+  SELECT array_to_json(ARRAY(SELECT * FROM jsonb_array_elements("array") as elt WHERE elt NOT IN (SELECT * FROM (SELECT jsonb_array_elements("values")) AS sub)))::jsonb;
+$function$;

src/Adapters/Storage/Postgres/sql/index.js

@@ -0,0 +1,32 @@
+'use strict';
+
+var QueryFile = require('pg-promise').QueryFile;
+var path = require('path');
+
+module.exports = {
+  array: {
+    add: sql('array/add.sql'),
+    addUnique: sql('array/add-unique.sql'),
+    contains: sql('array/contains.sql'),
+    containsAll: sql('array/contains-all.sql'),
+    remove: sql('array/remove.sql')
+  },
+  misc: {
+    jsonObjectSetKeys: sql('misc/json-object-set-keys.sql')
+  }
+};
+
+///////////////////////////////////////////////
+// Helper for linking to external query files;
+function sql(file) {
+
+  var fullPath = path.join(__dirname, file); // generating full path;
+
+  var qf = new QueryFile(fullPath, {minify: true});
+
+  if (qf.error) {
+    throw qf.error;
+  }
+
+  return qf;
+}

src/Adapters/Storage/Postgres/sql/misc/json-object-set-keys.sql

@@ -0,0 +1,19 @@
+-- Function to set a key on a nested JSON document
+
+CREATE OR REPLACE FUNCTION json_object_set_key(
+  "json"        jsonb,
+  key_to_set    TEXT,
+  value_to_set  anyelement
+)
+  RETURNS jsonb
+  LANGUAGE sql
+  IMMUTABLE
+  STRICT
+AS $function$
+SELECT concat('{', string_agg(to_json("key") || ':' || "value", ','), '}')::jsonb
+  FROM (SELECT *
+    FROM jsonb_each("json")
+    WHERE key <> key_to_set
+    UNION ALL
+    SELECT key_to_set, to_json("value_to_set")::jsonb) AS fields
+$function$;