Merge pull request #19 from codenotary/feat/sql-describe

chore: add sql describe

Author: rafaelveggi

.gitignore

@@ -2,6 +2,7 @@ node_modules/
 package-lock.json
 root.json
 tests/immudb
+tests/test-data
 .nyc_output
 .vscode/
 tests/root.json
@@ -10,4 +11,4 @@ root
 rootfile
 examples/.env
 .env
-dist/
+dist/

package.json

@@ -28,8 +28,8 @@
     "@typescript-eslint/parser": "^3.9.0",
     "crypto-ts": "^1.0.2",
     "grpc": "^1.24.10",
-    "grpc-tools": "^1.11.1",
     "grpc_tools_node_protoc_ts": "^5.0.1",
+    "grpc-tools": "^1.11.1",
     "protobufjs": "6.10.1",
     "tap": "15.0.9",
     "typescript": "^3.9.7"

src/client.ts

@@ -1762,6 +1762,39 @@ class ImmudbClient {
       console.error(err);
     }
   }
+
+  async SQLDescribe(tableName: string) {
+    const request = new schemaTypes.Table();
+    request.setTablename(tableName);
+
+    return new Promise((resolve, reject) => {
+      return this.client.describeTable(request, this._metadata,(err, res) => {
+        if (err) {
+          console.error('SQLDescribe', err);
+          reject(err);
+        } else {
+          resolve(
+            res
+              .getRowsList()
+              .map(row => row
+                .getValuesList()
+                .map(value => value.hasNull()
+                  ? value.getNull()
+                  : value.hasS()
+                    ? value.getS()
+                    : value.hasN()
+                      ? value.getN()
+                      : value.hasB()
+                        ? value.getB()
+                        : value.hasBs()
+                          ? value.getBs_asU8()
+                          : null)
+              ))
+          
+        }
+      })
+    })
+  }
 }
 
 export default ImmudbClient;

tests/tap-parallel-not-ok/client.ts

@@ -471,6 +471,8 @@ tap.test('[OPERATIONS]: SQL', async t => {
       params: { name: 'Joe' }
     })
 
+    await immudbClient.SQLDescribe(tableName)
+
     t.end();
   } catch (err) {
     t.error(err);