init

JetBrains/WebStorm2025.1/extensions/com.intellij.database/data/aggregators/MEDIAN.groovy

@@ -0,0 +1,42 @@
+/*
+ * Available context bindings:
+ *   COLUMNS     List<DataColumn>
+ *   ROWS        Iterable<DataRow>
+ *   OUT         { append() }
+ *   FORMATTER   { format(row, col); formatValue(Object, col); getTypeName(Object, col); isStringLiteral(Object, col); }
+ *   TRANSPOSED  Boolean
+ * plus ALL_COLUMNS, TABLE, DIALECT
+ *
+ * where:
+ *   DataRow     { rowNumber(); first(); last(); data(): List<Object>; value(column): Object }
+ *   DataColumn  { columnNumber(), name() }
+ */
+
+import static java.math.MathContext.DECIMAL128
+
+def toBigDecimal = { value ->
+  value instanceof Number ? value as BigDecimal :
+  value.toString().isBigDecimal() ? value.toString() as BigDecimal :
+  null
+}
+
+def values = []
+
+ROWS.each { row ->
+  COLUMNS.each { column ->
+    def bigDecimal = toBigDecimal(row.value(column))
+    if (bigDecimal != null) {
+      values.add(bigDecimal)
+    }
+  }
+}
+
+if (values.isEmpty()) {
+  OUT.append("Not enough values")
+  return
+}
+elementsNumber = values.size()
+Collections.sort(values)
+mid = (int)elementsNumber / 2
+RES = elementsNumber % 2 != 0 ? values[mid] : values[mid].add(values[mid - 1], DECIMAL128).divide(2, DECIMAL128)
+OUT.append(RES.toString())