feat: Data blending (#1012)

* feat: data blending

* pivotQuery, other fixes

* final fixes, updated tests

* remove redundant condition

Author: vasilev-alex

packages/cubejs-api-gateway/.eslintrc.js

@@ -1,31 +1,38 @@
 module.exports = {
-  "extends": "airbnb-base",
-  "plugins": [
-    "import"
-  ],
-  "rules": {
-    "import/no-unresolved": 0,
-    "comma-dangle": 0,
-    "no-trailing-spaces": ["error", {
-      "skipBlankLines": true
-    }],
-    "no-console": 0,
-    "arrow-parens": 0,
-    "import/extensions": 0,
-    "quotes": 0,
-    "no-prototype-builtins": 0,
-    "class-methods-use-this": 0,
-    "no-param-reassign": 0,
-    "no-mixed-operators": 0,
-    "no-else-return": 0,
-    "prefer-promise-reject-errors": 0,
-    "operator-linebreak": ["error", "after"],
-    'max-len': ['error', 120, 2, {
-      ignoreUrls: true,
-      ignoreComments: false,
-      ignoreRegExpLiterals: true,
-      ignoreStrings: true,
-      ignoreTemplateLiterals: true,
-    }]
-  }
+  extends: 'airbnb-base',
+  plugins: ['import'],
+  rules: {
+    'import/no-unresolved': 0,
+    'comma-dangle': 0,
+    'no-trailing-spaces': [
+      'error',
+      {
+        skipBlankLines: true,
+      },
+    ],
+    'no-console': 0,
+    'arrow-parens': 0,
+    'import/extensions': 0,
+    quotes: 0,
+    'no-prototype-builtins': 0,
+    'class-methods-use-this': 0,
+    'no-param-reassign': 0,
+    'no-mixed-operators': 0,
+    'no-else-return': 0,
+    'prefer-promise-reject-errors': 0,
+    'object-curly-newline': 0,
+    'operator-linebreak': ['error', 'after'],
+    'max-len': [
+      'error',
+      120,
+      2,
+      {
+        ignoreUrls: true,
+        ignoreComments: false,
+        ignoreRegExpLiterals: true,
+        ignoreStrings: true,
+        ignoreTemplateLiterals: true,
+      },
+    ],
+  },
 };