Merge pull request #1 from rapidsai/aggregation-operator

Aggregation operator

Author: karthikeyann

ninja

@@ -0,0 +1,57 @@
+# Copyright 2011 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Add the following to your .bashrc to tab-complete ninja targets
+#   . path/to/ninja/misc/bash-completion
+
+_ninja_target() {
+    local cur prev targets dir line targets_command OPTIND
+
+    # When available, use bash_completion to:
+    #   1) Complete words when the cursor is in the middle of the word
+    #   2) Complete paths with files or directories, as appropriate
+    if _get_comp_words_by_ref cur prev &>/dev/null ; then
+        case $prev in
+            -f)
+                _filedir
+                return 0
+                ;;
+            -C)
+                _filedir -d
+                return 0
+                ;;
+        esac
+    else
+        cur="${COMP_WORDS[COMP_CWORD]}"
+    fi
+
+    if [[ "$cur" == "--"* ]]; then
+        # there is currently only one argument that takes --
+	COMPREPLY=($(compgen -P '--' -W 'version' -- "${cur:2}"))
+    else
+	dir="."
+	line=$(echo ${COMP_LINE} | cut -d" " -f 2-)
+        # filter out all non relevant arguments but keep C for dirs
+	while getopts :C:f:j:l:k:nvd:t: opt $line; do
+	    case $opt in
+                # eval for tilde expansion
+		C) eval dir="$OPTARG" ;;
+	    esac
+	done;
+	targets_command="eval ninja -C \"${dir}\" -t targets all 2>/dev/null | cut -d: -f1"
+	COMPREPLY=($(compgen -W '`${targets_command}`' -- "$cur"))
+    fi
+    return
+}
+complete -F _ninja_target ninja

velox/experimental/cudf/exec/CMakeLists.txt

@@ -17,6 +17,7 @@ add_library(
   CudfConversion.cpp
   CudfFilterProject.cpp
   CudfHashJoin.cpp
+  CudfHashAggregation.cpp
   CudfOrderBy.cpp
   ToCudf.cpp
   Utilities.cpp