init research

2026-02-08 11:20:43 -10:00
commit bdf064f54d
3041 changed files with 1592200 additions and 0 deletions
@@ -0,0 +1,56 @@
+import org.jetbrains.kotlinx.dataframe.*
+import org.jetbrains.kotlinx.dataframe.annotations.*
+import org.jetbrains.kotlinx.dataframe.api.*
+import org.jetbrains.kotlinx.dataframe.io.*
+
+fun box(): String {
+    compareSchemas(
+        df.select { name and age },
+        df.select { allBefore { city } },
+        df.select { allBefore(city) },
+    )
+
+    compareSchemas(
+        df.select { name and age },
+        df.select { allUpTo { age } },
+        df.select { allUpTo(age) },
+    )
+
+    compareSchemas(
+        df.select { weight and isHappy },
+        df.select { allAfter { city } },
+        df.select { allAfter(city) },
+    )
+
+    compareSchemas(
+        df.select { weight and isHappy },
+        df.select { allFrom { weight } },
+        df.select { allFrom(weight) },
+    )
+
+    compareSchemas(
+        df.select { name and age and city and weight and isHappy },
+        df.select { all() }
+    )
+
+    compareSchemas(
+        df.select { name.firstName and name.lastName },
+        df.select { name.allCols() },
+        df.select { name.allCols().all() },
+    )
+
+    compareSchemas(
+        df.select { weight and isHappy },
+        df.select { all().allAfter(city) },
+//        df.select { all().allAfter { city } },
+    )
+
+    compareSchemas(
+        df.select { age },
+        df.select { colsOf<Int?>().allBefore(weight) },
+        df.select { allBefore(weight).colsOf<Int?>() },
+    )
+
+
+    return "OK"
+}