feat: containment operators for PG array columns (#70)

Author: mattbretl

__tests__/fixtures/queries/connections-filter.graphql

@@ -66,6 +66,12 @@ query {
   intArray_greaterThan_empty: allFilterables(filter: { intArray: { greaterThan: [] } }) { ...intArrayConnection }
   intArray_greaterThanOrEqualTo_2_20: allFilterables(filter: { intArray: { greaterThanOrEqualTo: [2, 20] } }) { ...intArrayConnection }
   intArray_greaterThanOrEqualTo_empty: allFilterables(filter: { intArray: { greaterThanOrEqualTo: [] } }) { ...intArrayConnection }
+  intArray_contains_empty: allFilterables(filter: { intArray: { contains: [] } }) { ...intArrayConnection }
+  intArray_contains_2: allFilterables(filter: { intArray: { contains: [2] } }) { ...intArrayConnection }
+  intArray_contains_2_3_20: allFilterables(filter: { intArray: { contains: [2, 3, 20] } }) { ...intArrayConnection }
+  intArray_containedBy_empty: allFilterables(filter: { intArray: { containedBy: [] } }) { ...intArrayConnection }
+  intArray_containedBy_2: allFilterables(filter: { intArray: { containedBy: [2] } }) { ...intArrayConnection }
+  intArray_containedBy_2_3_20: allFilterables(filter: { intArray: { containedBy: [2, 3, 20] } }) { ...intArrayConnection }
   intArray_anyEqualTo_2: allFilterables(filter: { intArray: { anyEqualTo: 2 } }) { ...intArrayConnection }
   intArray_anyNotEqualTo_2: allFilterables(filter: { intArray: { anyNotEqualTo: 2 } }) { ...intArrayConnection }
   intArray_anyLessThan_2: allFilterables(filter: { intArray: { anyLessThan: 2 } }) { ...intArrayConnection }

__tests__/integration/__snapshots__/queries.test.js.snap

@@ -403,6 +403,69 @@ Object {
         },
       ],
     },
+    "intArray_containedBy_2": Object {
+      "nodes": Array [],
+    },
+    "intArray_containedBy_2_3_20": Object {
+      "nodes": Array [
+        Object {
+          "id": 2,
+          "intArray": Array [
+            2,
+            20,
+          ],
+        },
+      ],
+    },
+    "intArray_containedBy_empty": Object {
+      "nodes": Array [],
+    },
+    "intArray_contains_2": Object {
+      "nodes": Array [
+        Object {
+          "id": 2,
+          "intArray": Array [
+            2,
+            20,
+          ],
+        },
+      ],
+    },
+    "intArray_contains_2_3_20": Object {
+      "nodes": Array [],
+    },
+    "intArray_contains_empty": Object {
+      "nodes": Array [
+        Object {
+          "id": 1,
+          "intArray": Array [
+            1,
+            10,
+          ],
+        },
+        Object {
+          "id": 2,
+          "intArray": Array [
+            2,
+            20,
+          ],
+        },
+        Object {
+          "id": 3,
+          "intArray": Array [
+            3,
+            30,
+          ],
+        },
+        Object {
+          "id": 4,
+          "intArray": Array [
+            4,
+            40,
+          ],
+        },
+      ],
+    },
     "intArray_distinctFrom_2_20": Object {
       "nodes": Array [
         Object {

__tests__/integration/schema/__snapshots__/connectionFilter.test.js.snap

@@ -917,6 +917,12 @@ input IntListFilter {
   \\"\\"\\"Any array item is not equal to the specified value.\\"\\"\\"
   anyNotEqualTo: Int
 
+  \\"\\"\\"Contained by the specified list of values.\\"\\"\\"
+  containedBy: [Int]
+
+  \\"\\"\\"Contains the specified list of values.\\"\\"\\"
+  contains: [Int]
+
   \\"\\"\\"
   Not equal to the specified value, treating null like an ordinary value.
   \\"\\"\\"

__tests__/integration/schema/__snapshots__/connectionFilterOperatorNames.test.js.snap

@@ -917,6 +917,12 @@ input IntListFilter {
   \\"\\"\\"Any array item is not equal to the specified value.\\"\\"\\"
   anyNotEqualTo: Int
 
+  \\"\\"\\"Contained by the specified list of values.\\"\\"\\"
+  containedBy: [Int]
+
+  \\"\\"\\"Contains the specified list of values.\\"\\"\\"
+  contains: [Int]
+
   \\"\\"\\"
   Not equal to the specified value, treating null like an ordinary value.
   \\"\\"\\"

__tests__/integration/schema/__snapshots__/connectionFilterRelationsTrue.test.js.snap

@@ -950,6 +950,12 @@ input IntListFilter {
   \\"\\"\\"Any array item is not equal to the specified value.\\"\\"\\"
   anyNotEqualTo: Int
 
+  \\"\\"\\"Contained by the specified list of values.\\"\\"\\"
+  containedBy: [Int]
+
+  \\"\\"\\"Contains the specified list of values.\\"\\"\\"
+  contains: [Int]
+
   \\"\\"\\"
   Not equal to the specified value, treating null like an ordinary value.
   \\"\\"\\"

src/PgConnectionArgFilterOperatorsPlugin.js

@@ -335,6 +335,44 @@ module.exports = function PgConnectionArgFilterOperatorsPlugin(builder) {
         allowedFieldTypes: ["JSON"],
       }
     );
+    addConnectionFilterOperator(
+      "contains",
+      "Contains the specified list of values.",
+      fieldType => fieldType,
+      (identifier, value) => sql.query`${identifier} @> ${value}`,
+      {
+        allowedFieldTypes: [
+          "String",
+          "Int",
+          "Float",
+          "Datetime",
+          "Date",
+          "Time",
+          "BigInt",
+          "BigFloat",
+        ],
+        allowedListTypes: ["List"],
+      }
+    );
+    addConnectionFilterOperator(
+      "containedBy",
+      "Contained by the specified list of values.",
+      fieldType => fieldType,
+      (identifier, value) => sql.query`${identifier} <@ ${value}`,
+      {
+        allowedFieldTypes: [
+          "String",
+          "Int",
+          "Float",
+          "Datetime",
+          "Date",
+          "Time",
+          "BigInt",
+          "BigFloat",
+        ],
+        allowedListTypes: ["List"],
+      }
+    );
     addConnectionFilterOperator(
       "anyEqualTo",
       "Any array item is equal to the specified value.",