TableFunctions.hpp File Reference

#include "../../QueryEngine/heavydbTypes.h"

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Functions
EXTENSION_NOINLINE int32_t	row_copier (const Column< double > &input_col, int copy_multiplier, Column< double > &output_col)
EXTENSION_NOINLINE_HOST int32_t	row_copier2__cpu__ (const Column< double > &input_col, int copy_multiplier, Column< double > &output_col, Column< double > &output_col2)
EXTENSION_NOINLINE int32_t	row_copier_text (const Column< TextEncodingDict > &input_col, int copy_multiplier, Column< TextEncodingDict > &output_col)
EXTENSION_NOINLINE int32_t	row_adder (const int copy_multiplier, const Column< double > &input_col1, const Column< double > &input_col2, Column< double > &output_col)
EXTENSION_NOINLINE int32_t	row_addsub (const int copy_multiplier, const Column< double > &input_col1, const Column< double > &input_col2, Column< double > &output_col1, Column< double > &output_col2)
EXTENSION_NOINLINE_HOST int32_t	get_max_with_row_offset__cpu_ (const Column< int > &input_col, Column< int > &output_max_col, Column< int > &output_max_row_col)
EXTENSION_NOINLINE_HOST int32_t	column_list_get__cpu_ (const ColumnList< double > &col_list, const int index, const int m, Column< double > &col)
EXTENSION_NOINLINE int32_t	column_list_first_last (const ColumnList< double > &col_list, const int m, Column< double > &col1, Column< double > &col2)
EXTENSION_NOINLINE_HOST int32_t	column_list_row_sum__cpu_ (const ColumnList< int32_t > &input, Column< int32_t > &out)

Function Documentation

EXTENSION_NOINLINE int32_t column_list_first_last	(	const ColumnList< double > &	col_list,
		const int	m,
		Column< double > &	col1,
		Column< double > &	col2
	)

Definition at line 271 of file TableFunctions.hpp.

References ColumnList< T >::numCols(), and Column< T >::size().

                                                                        {
  col1 = col_list[0];
  col2 = col_list[col_list.numCols() - 1];
  return col1.size();
}

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EXTENSION_NOINLINE_HOST int32_t column_list_get__cpu_	(	const ColumnList< double > &	col_list,
		const int	index,
		const int	m,
		Column< double > &	col
	)

Definition at line 255 of file TableFunctions.hpp.

References Column< T >::size().

                                                                           {
  col = col_list[index];  // copy the data of col_list item to output column
  return col.size();
}

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EXTENSION_NOINLINE_HOST int32_t column_list_row_sum__cpu_	(	const ColumnList< int32_t > &	input,
		Column< int32_t > &	out
	)

Definition at line 289 of file TableFunctions.hpp.

References ColumnList< T >::numCols(), and set_output_row_size().

                                                                                  {
  int32_t output_num_rows = input.numCols();
  set_output_row_size(output_num_rows);
  for (int i = 0; i < output_num_rows; i++) {
    auto col = input[i];
    int32_t s = 0;
    for (int j = 0; j < col.size(); j++) {
      s += col[j];
    }
    out[i] = s;
  }
  return output_num_rows;
}

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EXTENSION_NOINLINE_HOST int32_t get_max_with_row_offset__cpu_	(	const Column< int > &	input_col,
		Column< int > &	output_max_col,
		Column< int > &	output_max_row_col
	)

Definition at line 222 of file TableFunctions.hpp.

References Column< T >::size().

                                                               {
  if ((output_max_col.size() != 1) || output_max_row_col.size() != 1) {
    return -1;
  }
  auto start = 0;
  auto stop = input_col.size();
  auto step = 1;

  int curr_max = -2147483648;
  int curr_max_row = -1;
  for (auto i = start; i < stop; i += step) {
    if (input_col[i] > curr_max) {
      curr_max = input_col[i];
      curr_max_row = i;
    }
  }
  output_max_col[0] = curr_max;
  output_max_row_col[0] = curr_max_row;
  return 1;
}

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EXTENSION_NOINLINE int32_t row_adder	(	const int	copy_multiplier,
		const Column< double > &	input_col1,
		const Column< double > &	input_col2,
		Column< double > &	output_col
	)

Definition at line 138 of file TableFunctions.hpp.

References Column< T >::isNull(), Column< T >::setNull(), and Column< T >::size().

                                                                 {
  int32_t output_row_count = copy_multiplier * input_col1.size();
  if (output_row_count > 100) {
    // Test failure propagation.
    return -1;
  }
  if (output_col.size() != output_row_count) {
    return -1;
  }

#ifdef __CUDACC__
  int32_t start = threadIdx.x + blockDim.x * blockIdx.x;
  int32_t stop = static_cast<int32_t>(input_col1.size());
  int32_t step = blockDim.x * gridDim.x;
#else
  auto start = 0;
  auto stop = input_col1.size();
  auto step = 1;
#endif
  auto stride = input_col1.size();
  for (auto i = start; i < stop; i += step) {
    for (int c = 0; c < copy_multiplier; c++) {
      if (input_col1.isNull(i) || input_col2.isNull(i)) {
        output_col.setNull(i + (c * stride));
      } else {
        output_col[i + (c * stride)] = input_col1[i] + input_col2[i];
      }
    }
  }

  return output_row_count;
}

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EXTENSION_NOINLINE int32_t row_addsub	(	const int	copy_multiplier,
		const Column< double > &	input_col1,
		const Column< double > &	input_col2,
		Column< double > &	output_col1,
		Column< double > &	output_col2
	)

Definition at line 179 of file TableFunctions.hpp.

References Column< T >::size().

                                                                   {
  int32_t output_row_count = copy_multiplier * input_col1.size();
  if (output_row_count > 100) {
    // Test failure propagation.
    return -1;
  }
  if ((output_col1.size() != output_row_count) ||
      (output_col2.size() != output_row_count)) {
    return -1;
  }

#ifdef __CUDACC__
  int32_t start = threadIdx.x + blockDim.x * blockIdx.x;
  int32_t stop = static_cast<int32_t>(input_col1.size());
  int32_t step = blockDim.x * gridDim.x;
#else
  auto start = 0;
  auto stop = input_col1.size();
  auto step = 1;
#endif
  auto stride = input_col1.size();
  for (auto i = start; i < stop; i += step) {
    for (int c = 0; c < copy_multiplier; c++) {
      output_col1[i + (c * stride)] = input_col1[i] + input_col2[i];
      output_col2[i + (c * stride)] = input_col1[i] - input_col2[i];
    }
  }
  return output_row_count;
}

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EXTENSION_NOINLINE int32_t row_copier	(	const Column< double > &	input_col,
		int	copy_multiplier,
		Column< double > &	output_col
	)

Definition at line 28 of file TableFunctions.hpp.

References Column< T >::size().

Referenced by row_copier2__cpu__().

                                                                  {
  int32_t output_row_count = copy_multiplier * input_col.size();
  if (output_row_count > 100) {
    // Test failure propagation.
    return -1;
  }
  if (output_col.size() != output_row_count) {
    return -1;
  }

#ifdef __CUDACC__
  int32_t start = threadIdx.x + blockDim.x * blockIdx.x;
  int32_t stop = static_cast<int32_t>(input_col.size());
  int32_t step = blockDim.x * gridDim.x;
#else
  auto start = 0;
  auto stop = input_col.size();
  auto step = 1;
#endif

  for (auto i = start; i < stop; i += step) {
    for (int c = 0; c < copy_multiplier; c++) {
      output_col[i + (c * input_col.size())] = input_col[i];
    }
  }

  return output_row_count;
}

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EXTENSION_NOINLINE_HOST int32_t row_copier2__cpu__	(	const Column< double > &	input_col,
		int	copy_multiplier,
		Column< double > &	output_col,
		Column< double > &	output_col2
	)

Definition at line 61 of file TableFunctions.hpp.

References run_benchmark_import::result, row_copier(), set_output_row_size(), and Column< T >::size().

                                                                                {
  if (copy_multiplier == -1) {
    // Test UDTF return without allocating output columns, expect
    // empty output columns.
    return 0;
  }
  if (copy_multiplier == -2) {
    // Test UDTF return without allocating output columns but
    // returning positive row size, expect runtime error.
    return 1;
  }
#ifndef __CUDACC__
  if (copy_multiplier == -3) {
    // Test UDTF throw before allocating output columns, expect
    // runtime error.
    throw std::runtime_error("row_copier2: throw before calling set_output_row_size");
  }
  if (copy_multiplier == -4) {
    // Test UDTF throw after allocating output columns, expect
    // runtime error.
    set_output_row_size(1);
    throw std::runtime_error("row_copier2: throw after calling set_output_row_size");
  }
#endif
  if (copy_multiplier == -5) {
    // Test UDTF setting negative row size, expect runtime error.
    set_output_row_size(-1);
  }
  int32_t output_row_count = copy_multiplier * input_col.size();
  /* set_output_row_size can be used only when an UDTF is executed on CPU */
  set_output_row_size(output_row_count);
  auto result = row_copier(input_col, copy_multiplier, output_col);
  if (result >= 0) {
    result = row_copier(input_col, copy_multiplier, output_col2);
  }
  return result;
}

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EXTENSION_NOINLINE int32_t row_copier_text	(	const Column< TextEncodingDict > &	input_col,
		int	copy_multiplier,
		Column< TextEncodingDict > &	output_col
	)

Definition at line 104 of file TableFunctions.hpp.

References Column< TextEncodingDict >::size().

                                                                                 {
  int32_t output_row_count = copy_multiplier * input_col.size();
  if (output_row_count > 100) {
    // Test failure propagation.
    return -1;
  }
  if (output_col.size() != output_row_count) {
    return -2;
  }

#ifdef __CUDACC__
  int32_t start = threadIdx.x + blockDim.x * blockIdx.x;
  int32_t stop = static_cast<int32_t>(input_col.size());
  int32_t step = blockDim.x * gridDim.x;
#else
  auto start = 0;
  auto stop = input_col.size();
  auto step = 1;
#endif

  for (auto i = start; i < stop; i += step) {
    for (int c = 0; c < copy_multiplier; c++) {
      output_col[i + (c * input_col.size())] = input_col[i];
    }
  }

  return output_row_count;
}

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