-----------------------------------------------------------------------------
-- Hivemall: Hive scalable Machine Learning Library
-----------------------------------------------------------------------------

drop temporary function hivemall_version;
create temporary function hivemall_version as 'hivemall.HivemallVersionUDF';

---------------------------
-- binary classification --
---------------------------

drop temporary function train_perceptron;
create temporary function train_perceptron as 'hivemall.classifier.PerceptronUDTF';

drop temporary function train_pa;
create temporary function train_pa as 'hivemall.classifier.PassiveAggressiveUDTF';

drop temporary function train_pa1;
create temporary function train_pa1 as 'hivemall.classifier.PassiveAggressiveUDTF$PA1';

drop temporary function train_pa2;
create temporary function train_pa2 as 'hivemall.classifier.PassiveAggressiveUDTF$PA2';

drop temporary function train_cw;
create temporary function train_cw as 'hivemall.classifier.ConfidenceWeightedUDTF';

drop temporary function train_arow;
create temporary function train_arow as 'hivemall.classifier.AROWClassifierUDTF';

drop temporary function train_arowh;
create temporary function train_arowh as 'hivemall.classifier.AROWClassifierUDTF$AROWh';

drop temporary function train_scw;
create temporary function train_scw as 'hivemall.classifier.SoftConfideceWeightedUDTF$SCW1';

drop temporary function train_scw2;
create temporary function train_scw2 as 'hivemall.classifier.SoftConfideceWeightedUDTF$SCW2';

drop temporary function train_adagrad_rda;
create temporary function train_adagrad_rda as 'hivemall.classifier.AdaGradRDAUDTF';

--------------------------------
--  Multiclass classification --
--------------------------------

drop temporary function train_multiclass_perceptron;
create temporary function train_multiclass_perceptron as 'hivemall.classifier.multiclass.MulticlassPerceptronUDTF';

drop temporary function train_multiclass_pa;
create temporary function train_multiclass_pa as 'hivemall.classifier.multiclass.MulticlassPassiveAggressiveUDTF';

drop temporary function train_multiclass_pa1;
create temporary function train_multiclass_pa1 as 'hivemall.classifier.multiclass.MulticlassPassiveAggressiveUDTF$PA1';

drop temporary function train_multiclass_pa2;
create temporary function train_multiclass_pa2 as 'hivemall.classifier.multiclass.MulticlassPassiveAggressiveUDTF$PA2';

drop temporary function train_multiclass_cw;
create temporary function train_multiclass_cw as 'hivemall.classifier.multiclass.MulticlassConfidenceWeightedUDTF';

drop temporary function train_multiclass_arow;
create temporary function train_multiclass_arow as 'hivemall.classifier.multiclass.MulticlassAROWClassifierUDTF';

drop temporary function train_multiclass_arowh;
create temporary function train_multiclass_arowh as 'hivemall.classifier.multiclass.MulticlassAROWClassifierUDTF$AROWh';

drop temporary function train_multiclass_scw;
create temporary function train_multiclass_scw as 'hivemall.classifier.multiclass.MulticlassSoftConfidenceWeightedUDTF$SCW1';

drop temporary function train_multiclass_scw2;
create temporary function train_multiclass_scw2 as 'hivemall.classifier.multiclass.MulticlassSoftConfidenceWeightedUDTF$SCW2';

--------------------------
-- similarity functions --
--------------------------

drop temporary function cosine_similarity;
create temporary function cosine_similarity as 'hivemall.knn.similarity.CosineSimilarityUDF';

drop temporary function jaccard_similarity;
create temporary function jaccard_similarity as 'hivemall.knn.similarity.JaccardIndexUDF';

drop temporary function angular_similarity;
create temporary function angular_similarity as 'hivemall.knn.similarity.AngularSimilarityUDF';

drop temporary function euclid_similarity;
create temporary function euclid_similarity as 'hivemall.knn.similarity.EuclidSimilarity';

drop temporary function distance2similarity;
create temporary function distance2similarity as 'hivemall.knn.similarity.Distance2SimilarityUDF';

------------------------
-- distance functions --
------------------------

drop temporary function popcnt;
create temporary function popcnt as 'hivemall.knn.distance.PopcountUDF';

drop temporary function kld;
create temporary function kld as 'hivemall.knn.distance.KLDivergenceUDF';

drop temporary function hamming_distance;
create temporary function hamming_distance as 'hivemall.knn.distance.HammingDistanceUDF';

drop temporary function euclid_distance;
create temporary function euclid_distance as 'hivemall.knn.distance.EuclidDistanceUDF';

drop temporary function cosine_distance;
create temporary function cosine_distance as 'hivemall.knn.distance.CosineDistanceUDF';

drop temporary function angular_distance;
create temporary function angular_distance as 'hivemall.knn.distance.AngularDistanceUDF';

drop temporary function jaccard_distance;
create temporary function jaccard_distance as 'hivemall.knn.distance.JaccardDistanceUDF';

drop temporary function manhattan_distance;
create temporary function manhattan_distance as 'hivemall.knn.distance.ManhattanDistanceUDF';

drop temporary function minkowski_distance;
create temporary function minkowski_distance as 'hivemall.knn.distance.MinkowskiDistanceUDF';

-------------------
-- LSH functions --
-------------------

drop temporary function minhashes;
create temporary function minhashes as 'hivemall.knn.lsh.MinHashesUDF';

drop temporary function minhash;
create temporary function minhash as 'hivemall.knn.lsh.MinHashUDTF';

drop temporary function bbit_minhash;
create temporary function bbit_minhash as 'hivemall.knn.lsh.bBitMinHashUDF';

----------------------
-- voting functions --
----------------------

drop temporary function voted_avg;
create temporary function voted_avg as 'hivemall.ensemble.bagging.VotedAvgUDAF';

drop temporary function weight_voted_avg;
create temporary function weight_voted_avg as 'hivemall.ensemble.bagging.WeightVotedAvgUDAF';

--------------------
-- misc functions --
--------------------

drop temporary function max_label;
create temporary function max_label as 'hivemall.ensemble.MaxValueLabelUDAF';

drop temporary function maxrow;
create temporary function maxrow as 'hivemall.ensemble.MaxRowUDAF';

drop temporary function argmin_kld;
create temporary function argmin_kld as 'hivemall.ensemble.ArgminKLDistanceUDAF';

-----------------------
-- hashing functions --
-----------------------

drop temporary function mhash;
create temporary function mhash as 'hivemall.ftvec.hashing.MurmurHash3UDF';

drop temporary function sha1;
create temporary function sha1 as 'hivemall.ftvec.hashing.Sha1UDF';

drop temporary function array_hash_values;
create temporary function array_hash_values as 'hivemall.ftvec.hashing.ArrayHashValuesUDF';

drop temporary function prefixed_hash_values;
create temporary function prefixed_hash_values as 'hivemall.ftvec.hashing.ArrayPrefixedHashValuesUDF';

drop temporary function feature_hashing;
create temporary function feature_hashing as 'hivemall.ftvec.hashing.FeatureHashingUDF';

-----------------------
-- pairing functions --
-----------------------

drop temporary function polynomial_features;
create temporary function polynomial_features as 'hivemall.ftvec.pairing.PolynomialFeaturesUDF';

drop temporary function powered_features;
create temporary function powered_features as 'hivemall.ftvec.pairing.PoweredFeaturesUDF';

-----------------------
-- scaling functions --
-----------------------

drop temporary function rescale;
create temporary function rescale as 'hivemall.ftvec.scaling.RescaleUDF';

drop temporary function zscore;
create temporary function zscore as 'hivemall.ftvec.scaling.ZScoreUDF';

drop temporary function l2_normalize;
create temporary function l2_normalize as 'hivemall.ftvec.scaling.L2NormalizationUDF';

-----------------------------------
-- Feature engineering functions --
-----------------------------------

drop temporary function amplify;
create temporary function amplify as 'hivemall.ftvec.amplify.AmplifierUDTF';

drop temporary function rand_amplify;
create temporary function rand_amplify as 'hivemall.ftvec.amplify.RandomAmplifierUDTF';

drop temporary function add_bias;
create temporary function add_bias as 'hivemall.ftvec.AddBiasUDF';

drop temporary function sort_by_feature;
create temporary function sort_by_feature as 'hivemall.ftvec.SortByFeatureUDF';

drop temporary function extract_feature;
create temporary function extract_feature as 'hivemall.ftvec.ExtractFeatureUDF';

drop temporary function extract_weight;
create temporary function extract_weight as 'hivemall.ftvec.ExtractWeightUDF';

drop temporary function add_feature_index;
create temporary function add_feature_index as 'hivemall.ftvec.AddFeatureIndexUDF';

drop temporary function feature;
create temporary function feature as 'hivemall.ftvec.FeatureUDF';

drop temporary function feature_index;
create temporary function feature_index as 'hivemall.ftvec.FeatureIndexUDF';

----------------------------------
-- feature converting functions --
----------------------------------

drop temporary function conv2dense;
create temporary function conv2dense as 'hivemall.ftvec.conv.ConvertToDenseModelUDAF';

drop temporary function to_dense_features;
create temporary function to_dense_features as 'hivemall.ftvec.conv.ToDenseFeaturesUDF';

-- alias
drop temporary function to_dense;
create temporary function to_dense as 'hivemall.ftvec.conv.ToDenseFeaturesUDF';

drop temporary function to_sparse_features;
create temporary function to_sparse_features as 'hivemall.ftvec.conv.ToSparseFeaturesUDF';

-- alias
drop temporary function to_sparse;
create temporary function to_sparse as 'hivemall.ftvec.conv.ToSparseFeaturesUDF';

drop temporary function quantify;
create temporary function quantify as 'hivemall.ftvec.conv.QuantifyColumnsUDTF';

--------------------------
-- feature transformers --
--------------------------

drop temporary function vectorize_features;
create temporary function vectorize_features as 'hivemall.ftvec.trans.VectorizeFeaturesUDF';

drop temporary function categorical_features;
create temporary function categorical_features as 'hivemall.ftvec.trans.CategoricalFeaturesUDF';

drop temporary function ffm_features;
create temporary function ffm_features as 'hivemall.ftvec.trans.FFMFeaturesUDF';

drop temporary function indexed_features;
create temporary function indexed_features as 'hivemall.ftvec.trans.IndexedFeatures';

drop temporary function quantified_features;
create temporary function quantified_features as 'hivemall.ftvec.trans.QuantifiedFeaturesUDTF';

drop temporary function quantitative_features;
create temporary function quantitative_features as 'hivemall.ftvec.trans.QuantitativeFeaturesUDF';

drop temporary function binarize_label;
create temporary function binarize_label as 'hivemall.ftvec.trans.BinarizeLabelUDTF';

------------------------------
-- ranking helper functions --
------------------------------

drop temporary function bpr_sampling;
create temporary function bpr_sampling as 'hivemall.ftvec.ranking.BprSamplingUDTF';

drop temporary function item_pairs_sampling;
create temporary function item_pairs_sampling as 'hivemall.ftvec.ranking.ItemPairsSamplingUDTF';

drop temporary function populate_not_in;
create temporary function populate_not_in as 'hivemall.ftvec.ranking.PopulateNotInUDTF';

--------------------------
-- ftvec/text functions --
--------------------------

drop temporary function tf;
create temporary function tf as 'hivemall.ftvec.text.TermFrequencyUDAF';

--------------------------
-- Regression functions --
--------------------------

drop temporary function logress;
create temporary function logress as 'hivemall.regression.LogressUDTF';

drop temporary function train_logistic_regr;
create temporary function train_logistic_regr as 'hivemall.regression.LogressUDTF';

drop temporary function train_pa1_regr;
create temporary function train_pa1_regr as 'hivemall.regression.PassiveAggressiveRegressionUDTF';

drop temporary function train_pa1a_regr;
create temporary function train_pa1a_regr as 'hivemall.regression.PassiveAggressiveRegressionUDTF$PA1a';

drop temporary function train_pa2_regr;
create temporary function train_pa2_regr as 'hivemall.regression.PassiveAggressiveRegressionUDTF$PA2';

drop temporary function train_pa2a_regr;
create temporary function train_pa2a_regr as 'hivemall.regression.PassiveAggressiveRegressionUDTF$PA2a';

drop temporary function train_arow_regr;
create temporary function train_arow_regr as 'hivemall.regression.AROWRegressionUDTF';

drop temporary function train_arowe_regr;
create temporary function train_arowe_regr as 'hivemall.regression.AROWRegressionUDTF$AROWe';

drop temporary function train_arowe2_regr;
create temporary function train_arowe2_regr as 'hivemall.regression.AROWRegressionUDTF$AROWe2';

drop temporary function train_adagrad_regr;
create temporary function train_adagrad_regr as 'hivemall.regression.AdaGradUDTF';

drop temporary function train_adadelta_regr;
create temporary function train_adadelta_regr as 'hivemall.regression.AdaDeltaUDTF';

---------------------
-- array functions --
---------------------

drop temporary function float_array;
create temporary function float_array as 'hivemall.tools.array.AllocFloatArrayUDF';

drop temporary function array_remove;
create temporary function array_remove as 'hivemall.tools.array.ArrayRemoveUDF';

drop temporary function sort_and_uniq_array;
create temporary function sort_and_uniq_array as 'hivemall.tools.array.SortAndUniqArrayUDF';

drop temporary function subarray_endwith;
create temporary function subarray_endwith as 'hivemall.tools.array.SubarrayEndWithUDF';

drop temporary function subarray_startwith;
create temporary function subarray_startwith as 'hivemall.tools.array.SubarrayStartWithUDF';

drop temporary function array_concat;
create temporary function array_concat as 'hivemall.tools.array.ArrayConcatUDF';

-- alias for backward compatibility
drop temporary function concat_array;
create temporary function concat_array as 'hivemall.tools.array.ArrayConcatUDF';

drop temporary function subarray;
create temporary function subarray as 'hivemall.tools.array.SubarrayUDF';

drop temporary function array_avg;
create temporary function array_avg as 'hivemall.tools.array.ArrayAvgGenericUDAF';

drop temporary function array_sum;
create temporary function array_sum as 'hivemall.tools.array.ArraySumUDAF';

drop temporary function to_string_array;
create temporary function to_string_array as 'hivemall.tools.array.ToStringArrayUDF';

drop temporary function array_intersect;
create temporary function array_intersect as 'hivemall.tools.array.ArrayIntersectUDF';

-----------------------------
-- bit operation functions --
-----------------------------

drop temporary function bits_collect;
create temporary function bits_collect as 'hivemall.tools.bits.BitsCollectUDAF';

drop temporary function to_bits;
create temporary function to_bits as 'hivemall.tools.bits.ToBitsUDF';

drop temporary function unbits;
create temporary function unbits as 'hivemall.tools.bits.UnBitsUDF';

drop temporary function bits_or;
create temporary function bits_or as 'hivemall.tools.bits.BitsORUDF';

---------------------------
-- compression functions --
---------------------------

drop temporary function inflate;
create temporary function inflate as 'hivemall.tools.compress.InflateUDF';

drop temporary function deflate;
create temporary function deflate as 'hivemall.tools.compress.DeflateUDF';

---------------------
-- map functions --
---------------------

drop temporary function map_get_sum;
create temporary function map_get_sum as 'hivemall.tools.map.MapGetSumUDF';

drop temporary function map_tail_n;
create temporary function map_tail_n as 'hivemall.tools.map.MapTailNUDF';

drop temporary function to_map;
create temporary function to_map as 'hivemall.tools.map.UDAFToMap';

drop temporary function to_ordered_map;
create temporary function to_ordered_map as 'hivemall.tools.map.UDAFToOrderedMap';

---------------------
-- list functions --
---------------------

drop temporary function if exists to_ordered_list;
create temporary function to_ordered_list as 'hivemall.tools.list.UDAFToOrderedList';

---------------------
-- Math functions --
---------------------

drop temporary function sigmoid;
create temporary function sigmoid as 'hivemall.tools.math.SigmoidGenericUDF';

----------------------
-- mapred functions --
----------------------

drop temporary function taskid;
create temporary function taskid as 'hivemall.tools.mapred.TaskIdUDF';

drop temporary function jobid;
create temporary function jobid as 'hivemall.tools.mapred.JobIdUDF';

drop temporary function rowid;
create temporary function rowid as 'hivemall.tools.mapred.RowIdUDF';

drop temporary function distcache_gets;
create temporary function distcache_gets as 'hivemall.tools.mapred.DistributedCacheLookupUDF';

drop temporary function jobconf_gets;
create temporary function jobconf_gets as 'hivemall.tools.mapred.JobConfGetsUDF';

--------------------
-- misc functions --
--------------------

drop temporary function generate_series;
create temporary function generate_series as 'hivemall.tools.GenerateSeriesUDTF';

drop temporary function convert_label;
create temporary function convert_label as 'hivemall.tools.ConvertLabelUDF';

drop temporary function x_rank;
create temporary function x_rank as 'hivemall.tools.RankSequenceUDF';

drop temporary function each_top_k;
create temporary function each_top_k as 'hivemall.tools.EachTopKUDTF';

-------------------------------
-- Text processing functions --
-------------------------------

drop temporary function tokenize;
create temporary function tokenize as 'hivemall.tools.text.TokenizeUDF';

drop temporary function is_stopword;
create temporary function is_stopword as 'hivemall.tools.text.StopwordUDF';

drop temporary function if exists singularize;
create temporary function singularize as 'hivemall.tools.text.SingularizeUDF';

drop temporary function split_words;
create temporary function split_words as 'hivemall.tools.text.SplitWordsUDF';

drop temporary function normalize_unicode;
create temporary function normalize_unicode as 'hivemall.tools.text.NormalizeUnicodeUDF';

drop temporary function base91;
create temporary function base91 as 'hivemall.tools.text.Base91UDF';

drop temporary function unbase91;
create temporary function unbase91 as 'hivemall.tools.text.Unbase91UDF';

---------------------------------
-- Dataset generator functions --
---------------------------------

drop temporary function lr_datagen;
create temporary function lr_datagen as 'hivemall.dataset.LogisticRegressionDataGeneratorUDTF';

--------------------------
-- Evaluating functions --
--------------------------

drop temporary function f1score;
create temporary function f1score as 'hivemall.evaluation.FMeasureUDAF';

drop temporary function mae;
create temporary function mae as 'hivemall.evaluation.MeanAbsoluteErrorUDAF';

drop temporary function mse;
create temporary function mse as 'hivemall.evaluation.MeanSquaredErrorUDAF';

drop temporary function rmse;
create temporary function rmse as 'hivemall.evaluation.RootMeanSquaredErrorUDAF';

drop temporary function r2;
create temporary function r2 as 'hivemall.evaluation.R2UDAF';

drop temporary function ndcg;
create temporary function ndcg as 'hivemall.evaluation.NDCGUDAF';

drop temporary function logloss;
create temporary function logloss as 'hivemall.evaluation.LogarithmicLossUDAF';

drop temporary function if exists auc;
create temporary function auc as 'hivemall.evaluation.AUCUDAF';

--------------------------
-- Matrix Factorization --
--------------------------

drop temporary function mf_predict;
create temporary function mf_predict as 'hivemall.mf.MFPredictionUDF';

drop temporary function train_mf_sgd;
create temporary function train_mf_sgd as 'hivemall.mf.MatrixFactorizationSGDUDTF';

drop temporary function train_mf_adagrad;
create temporary function train_mf_adagrad as 'hivemall.mf.MatrixFactorizationAdaGradUDTF';

drop temporary function train_bprmf;
create temporary function train_bprmf as 'hivemall.mf.BPRMatrixFactorizationUDTF';

drop temporary function bprmf_predict;
create temporary function bprmf_predict as 'hivemall.mf.BPRMFPredictionUDF';

---------------------------
-- Factorization Machine --
---------------------------

drop temporary function fm_predict;
create temporary function fm_predict as 'hivemall.fm.FMPredictGenericUDAF';

drop temporary function train_fm;
create temporary function train_fm as 'hivemall.fm.FactorizationMachineUDTF';

drop temporary function train_ffm;
create temporary function train_ffm as 'hivemall.fm.FieldAwareFactorizationMachineUDTF';

drop temporary function ffm_predict;
create temporary function ffm_predict as 'hivemall.fm.FFMPredictUDF';

---------------------------
-- Geo-Spatial functions --
---------------------------

drop temporary function if exists tile;
create temporary function tile as 'hivemall.geospatial.TileUDF';

drop temporary function if exists map_url;
create temporary function map_url as 'hivemall.geospatial.MapURLUDF';

drop temporary function if exists lat2tiley;
create temporary function lat2tiley as 'hivemall.geospatial.Lat2TileYUDF';

drop temporary function if exists lon2tilex;
create temporary function lon2tilex as 'hivemall.geospatial.Lon2TileXUDF';

drop temporary function if exists tilex2lon;
create temporary function tilex2lon as 'hivemall.geospatial.TileX2LonUDF';

drop temporary function if exists tiley2lat;
create temporary function tiley2lat as 'hivemall.geospatial.TileY2LatUDF';

drop temporary function if exists haversine_distance;
create temporary function haversine_distance as 'hivemall.geospatial.HaversineDistanceUDF';

----------------------------
-- Smile related features --
----------------------------

drop temporary function train_randomforest_classifier;
create temporary function train_randomforest_classifier as 'hivemall.smile.classification.RandomForestClassifierUDTF';

drop temporary function train_randomforest_regressor;
create temporary function train_randomforest_regressor as 'hivemall.smile.regression.RandomForestRegressionUDTF';

drop temporary function train_randomforest_regr;
create temporary function train_randomforest_regr as 'hivemall.smile.regression.RandomForestRegressionUDTF';

drop temporary function tree_predict;
create temporary function tree_predict as 'hivemall.smile.tools.TreePredictUDF';

drop temporary function rf_ensemble;
create temporary function rf_ensemble as 'hivemall.smile.tools.RandomForestEnsembleUDAF';

drop temporary function guess_attribute_types;
create temporary function guess_attribute_types as 'hivemall.smile.tools.GuessAttributesUDF';

--------------------------------------------------------------------------------------------------
-- macros available from hive 0.12.0
-- see https://issues.apache.org/jira/browse/HIVE-2655

--------------------
-- General Macros --
--------------------

create temporary macro java_min(x DOUBLE, y DOUBLE)
reflect("java.lang.Math", "min", x, y);

create temporary macro max2(x DOUBLE, y DOUBLE)
if(x>y,x,y);

create temporary macro min2(x DOUBLE, y DOUBLE)
if(x<y,x,y);

create temporary macro rand_gid(k INT)
floor(rand()*k);

create temporary macro rand_gid2(k INT, seed INT)
floor(rand(seed)*k);

--------------------------
-- Statistics functions --
--------------------------

create temporary macro idf(df_t DOUBLE, n_docs DOUBLE)
log(10, n_docs / max2(1,df_t)) + 1.0;

create temporary macro tfidf(tf FLOAT, df_t DOUBLE, n_docs DOUBLE)
tf * (log(10, n_docs / max2(1,df_t)) + 1.0);