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SAC DataFrame/sacdataframe.js

@@ -628,6 +628,25 @@ var getScriptPromisify = (src) => {
 
 			return df;
 		}
+
+		// Merge
+		merge(dataframe_1, dataframe_2, on_columns, merging_mode) {
+
+			var df1 = null;
+			var df2 = null;
+			var df = null;
+
+			if((dataframe_1 != null) && (dataframe_2 != null)) {
+
+				df1 = this.newDataFrame(dataframe_1.$data, {columns: dataframe_1.$columns});
+				df2 = this.newDataFrame(dataframe_2.$data, {columns: dataframe_2.$columns});
+
+				df = this.dfd.merge({ left: df1, right: df2, on: on_columns, how: merging_mode});
+
+			}
+
+			return df;
+		}
     }
 
     window.customElements.define('com-sap-sample-sacdataframe', SACDataFrame);

SAC DataFrame/sacdataframe.json

@@ -3,7 +3,7 @@
     "vendor": "SAP",
     "license": "",
     "id": "com.sap.sample.sacdataframe",
-    "version": "0.0.8",
+    "version": "0.0.9",
     "name": "JavaScript DataFrame for SAC",
     "newInstancePrefix": "SACDataFrame",
     "description": "A widget that provides DataFrame-like functions",
@@ -222,6 +222,14 @@
 			"description": "Concatenate DataFrames along an axis",
 			"parameters": [ {"name": "dataframes", "type": "Selection[]", "description": "Array of DafaFrames to concatenate"},
 							{"name": "axis", "type": "integer", "description": "0 for row, 1 for column"} ]
+		},
+		"merge": {
+			"returnType": "Selection",
+			"description": "Merge DataFrame with a database-style join done on columns or indexes",
+			"parameters": [ {"name": "dataframe_1", "type": "Selection", "description": "First DataFrame"},
+							{"name": "dataframe_2", "type": "Selection", "description": "Second DataFrame"},
+							{"name": "on_columns", "type": "string[]", "description": "Column names to join on. Must be found in both the left and right DataFrame"},
+							{"name": "merging_mode", "type": "string", "description": "Merging mode as 'left','right','outer', 'inner' with defaults to 'inner'"} ]
 		}
     },
     "events": {