From c1a83db1d526bdfba8d086864f89871bbb876c06 Mon Sep 17 00:00:00 2001 From: Hossein Moein Date: Wed, 5 Jun 2024 10:28:16 -0400 Subject: [PATCH] Starting to allow container columns in binary format --- data/AAPL_10dBucketWithMaps.csv | 91 ++++++- docs/HTML/DateTime.html | 1 - .../DataFrame/Internals/DataFrame_misc.tcc | 19 ++ .../DataFrame/Internals/DataFrame_read.tcc | 70 ++--- .../Internals/DataFrame_standalone.tcc | 240 +++++++++++++++++- test/dataframe_tester_3.cc | 16 +- 6 files changed, 378 insertions(+), 59 deletions(-) diff --git a/data/AAPL_10dBucketWithMaps.csv b/data/AAPL_10dBucketWithMaps.csv index 6fb8c053..52e936ab 100644 --- a/data/AAPL_10dBucketWithMaps.csv +++ b/data/AAPL_10dBucketWithMaps.csv @@ -1,5 +1,94 @@ -INDEX:4:,Open:4:,High:4:,Low:4:,Close:4:,Mean:4:,Median:4:,25% Quantile:4:,Std:4:,MAD:4:,Map 1:4:,Unordered Map:4:,Str Vec:4:,Double Set:4:,Str Set:4:,Volume:4: +INDEX:93:,Open:93:,High:93:,Low:93:,Close:93:,Mean:93:,Median:93:,25% 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00:00:00.000,0.999442,0.999442,0.77846,0.896763,0.8819754,0.8805805,0.8560265,0.060093197,0.0436942,3{label one 1:123.0|label one 2:-782.5|label one 3:444.44},3{Key one 1:123.0|Key one 2:-782.5|Key one 3:444.44},4[bbb|aaa|zzz|ddd],3[123.0|-782.5|444.44],3[123.0|-782.5|444.44],6400945600 +01/14/2000 00:00:00.000,0.999442,0.999442,0.77846,0.896763,0.8819754,0.8805805,0.8560265,0.060093197,0.0436942,3{label one 1:123.0|label one 2:-782.5|label one 3:444.44},3{Key one 1:123.0|Key one 2:-782.5|Key one 3:444.44},4[bbb|aaa|zzz|ddd],3[123.0|-782.5|444.44],3[123.0|-782.5|444.44],6400945600 +01/14/2000 00:00:00.000,0.999442,0.999442,0.77846,0.896763,0.8819754,0.8805805,0.8560265,0.060093197,0.0436942,3{label one 1:123.0|label one 2:-782.5|label one 3:444.44},3{Key one 1:123.0|Key one 2:-782.5|Key one 3:444.44},4[bbb|aaa|zzz|ddd],3[123.0|-782.5|444.44],3[123.0|-782.5|444.44],6400945600 +01/14/2000 00:00:00.000,0.999442,0.999442,0.77846,0.896763,0.8819754,0.8805805,0.8560265,0.060093197,0.0436942,3{label one 1:123.0|label one 2:-782.5|label one 3:444.44},3{Key one 1:123.0|Key one 2:-782.5|Key one 3:444.44},4[bbb|aaa|zzz|ddd],3[123.0|-782.5|444.44],3[123.0|-782.5|444.44],6400945600 +01/14/2000 00:00:00.000,0.999442,0.999442,0.77846,0.896763,0.8819754,0.8805805,0.8560265,0.060093197,0.0436942,3{label one 1:123.0|label one 2:-782.5|label one 3:444.44},3{Key one 1:123.0|Key one 2:-782.5|Key one 3:444.44},4[bbb|aaa|zzz|ddd],3[123.0|-782.5|444.44],3[123.0|-782.5|444.44],6400945600 +01/14/2000 00:00:00.000,0.999442,0.999442,0.77846,0.896763,0.8819754,0.8805805,0.8560265,0.060093197,0.0436942,3{label one 1:123.0|label one 2:-782.5|label one 3:444.44},3{Key one 1:123.0|Key one 2:-782.5|Key one 3:444.44},4[bbb|aaa|zzz|ddd],3[123.0|-782.5|444.44],3[123.0|-782.5|444.44],6400945600 diff --git a/docs/HTML/DateTime.html b/docs/HTML/DateTime.html index b04c41fa..7a29ec6d 100644 --- a/docs/HTML/DateTime.html +++ b/docs/HTML/DateTime.html @@ -356,7 +356,6 @@

Member Functions

void add_months(long months) noexcept; void add_years(long years) noexcept; - 
    // These methods format the date/time into a string based on the format parameter
     //
diff --git a/include/DataFrame/Internals/DataFrame_misc.tcc b/include/DataFrame/Internals/DataFrame_misc.tcc
index 17dcd3fa..8b24e337 100644
--- a/include/DataFrame/Internals/DataFrame_misc.tcc
+++ b/include/DataFrame/Internals/DataFrame_misc.tcc
@@ -230,6 +230,25 @@ DataFrame::print_binary_functor_::operator() (const T &vec)  {
         _write_binary_string_(os, vec, start_row, end_row);
     else if constexpr (std::is_same_v)
         _write_binary_datetime_(os, vec, start_row, end_row);
+    else if constexpr (std::is_same_v>)
+        _write_binary_dbl_vec_(os, vec, start_row, end_row);
+    else if constexpr (std::is_same_v> ||
+                       std::is_same_v>)
+        _write_binary_str_vec_(os, vec, start_row, end_row);
+    else if constexpr (std::is_same_v> ||
+                       std::is_same_v>)
+        _write_binary_dbl_set_(os, vec, start_row, end_row);
+    else if constexpr (std::is_same_v> ||
+                       std::is_same_v> ||
+                       std::is_same_v> ||
+                       std::is_same_v>)
+        _write_binary_str_set_(os, vec, start_row, end_row);
+    else if constexpr (
+        std::is_same_v> ||
+        std::is_same_v> ||
+        std::is_same_v> ||
+        std::is_same_v>)
+        _write_binary_str_dbl_map(os, vec, start_row, end_row);
     else
         _write_binary_data_(os, vec, start_row, end_row);
 
diff --git a/include/DataFrame/Internals/DataFrame_read.tcc b/include/DataFrame/Internals/DataFrame_read.tcc
index f121672c..20942e87 100644
--- a/include/DataFrame/Internals/DataFrame_read.tcc
+++ b/include/DataFrame/Internals/DataFrame_read.tcc
@@ -1316,53 +1316,9 @@ read_binary_(std::istream &stream,
         else if constexpr (std::is_same_v)
             _read_binary_datetime_(stream, idx_vec, needs_flipping,
                                    starting_row, num_rows);
-        else if constexpr (std::is_same_v)
+        else
             _read_binary_data_(stream, idx_vec, needs_flipping,
                                starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else if constexpr (std::is_same_v)
-            _read_binary_data_(stream, idx_vec, needs_flipping,
-                               starting_row, num_rows);
-        else  {
-            String1K    err;
-
-            err.printf(
-                "read_binary_(): ERROR: Type '%s' is not supported for index",
-                col_type);
-            throw DataFrameError(err.c_str());
-        }
         load_index(std::move(idx_vec));
     }
 
@@ -1490,6 +1446,30 @@ read_binary_(std::istream &stream,
             load_column(col_name, std::move(vec),
                         nan_policy::dont_pad_with_nans);
         }
+        else if ( ! std::strcmp(col_type, "dbl_vec"))  {
+            ColumnVecType>    vec;
+
+        }
+        else if ( ! std::strcmp(col_type, "str_vec"))  {
+            ColumnVecType>   vec;
+
+        }
+        else if ( ! std::strcmp(col_type, "dbl_set"))  {
+            ColumnVecType>    vec;
+
+        }
+        else if ( ! std::strcmp(col_type, "str_set"))  {
+            ColumnVecType>   vec;
+
+        }
+        else if ( ! std::strcmp(col_type, "str_dbl_map"))  {
+            ColumnVecType>   vec;
+
+        }
+        else if ( ! std::strcmp(col_type, "str_dbl_unomap"))  {
+            ColumnVecType>  vec;
+
+        }
         else  {
             String1K    err;
 
diff --git a/include/DataFrame/Internals/DataFrame_standalone.tcc b/include/DataFrame/Internals/DataFrame_standalone.tcc
index a7614f6b..c7457f88 100644
--- a/include/DataFrame/Internals/DataFrame_standalone.tcc
+++ b/include/DataFrame/Internals/DataFrame_standalone.tcc
@@ -58,13 +58,16 @@ using _TypeInfoRef_ = std::reference_wrapper;
 struct  _TypeinfoHasher_  {
 
     std::size_t
-    operator()(_TypeInfoRef_ item) const  { return (item.get().hash_code()); }
+    operator()(const _TypeInfoRef_ item) const  {
+
+        return (item.get().hash_code());
+    }
 };
 
 struct  _TypeinfoEqualTo_  {
 
     bool
-    operator()(_TypeInfoRef_ lhs, _TypeInfoRef_ rhs) const {
+    operator()(const _TypeInfoRef_ lhs, const _TypeInfoRef_ rhs) const {
 
         return (lhs.get() == rhs.get());
     }
@@ -74,7 +77,8 @@ static const
 std::unordered_map<_TypeInfoRef_,
                    const char *const,
                    _TypeinfoHasher_,
-                   _TypeinfoEqualTo_>   _typeinfo_name_  {
+                   _TypeinfoEqualTo_>
+_typeinfo_name_  {
     { typeid(float), "float" },
     { typeid(double), "double" },
     { typeid(long double), "longdouble" },
@@ -990,6 +994,122 @@ _write_binary_datetime_(STRM &strm, const V &dt_vec,
 
 // ----------------------------------------------------------------------------
 
+// Vector of double vectors
+//
+template
+inline static STRM &
+_write_binary_dbl_vec_(STRM &strm, const V &vecs,
+                       std::size_t start_row, std::size_t end_row)  {
+
+    _write_binary_common_(strm, vecs, start_row, end_row);
+
+    for (uint64_t i = start_row; i < end_row; ++i)
+        _write_binary_data_(strm, vecs[i], 0, vecs[i].size());
+
+    return (strm);
+}
+
+// ----------------------------------------------------------------------------
+
+// Vector of string vectors
+//
+template
+inline static STRM &
+_write_binary_str_vec_(STRM &strm, const V &vecs,
+                       std::size_t start_row, std::size_t end_row)  {
+
+    _write_binary_common_(strm, vecs, start_row, end_row);
+
+    for (uint64_t i = start_row; i < end_row; ++i)
+        _write_binary_string_(strm, vecs[i], 0, vecs[i].size());
+
+    return (strm);
+}
+
+// ----------------------------------------------------------------------------
+
+// Vector of double sets
+//
+template
+inline static STRM &
+_write_binary_dbl_set_(STRM &strm, const S &dbl_sets,
+                       std::size_t start_row, std::size_t end_row)  {
+
+    _write_binary_common_(strm, dbl_sets, start_row, end_row);
+
+    for (uint64_t i = start_row; i < end_row; ++i)  {
+        const uint64_t  sz = dbl_sets.size();
+
+        strm.write(reinterpret_cast(&sz), sizeof(sz));
+        for (const double val : dbl_sets[i])
+            strm.write(reinterpret_cast(&val), sizeof(val));
+    }
+
+    return (strm);
+}
+
+// ----------------------------------------------------------------------------
+
+// Vector of string sets
+//
+template
+inline static STRM &
+_write_binary_str_set_(STRM &strm, const S &str_sets,
+                       std::size_t start_row, std::size_t end_row)  {
+
+    _write_binary_common_(strm, str_sets, start_row, end_row);
+
+    for (uint64_t i = start_row; i < end_row; ++i)  {
+        const uint64_t  sz = str_sets.size();
+
+        strm.write(reinterpret_cast(&sz), sizeof(sz));
+        for (const auto &str : str_sets[i])  {
+            const uint16_t  str_sz = static_cast(str.size());
+
+            strm.write(reinterpret_cast(&str_sz),
+                       sizeof(str_sz));
+        }
+
+        for (const auto &str : str_sets[i])
+            strm.write(str.data(), str.size() * sizeof(char));
+    }
+
+    return (strm);
+}
+
+// ----------------------------------------------------------------------------
+
+// Vector of string to double [unordered] maps
+//
+template
+inline static STRM &
+_write_binary_str_dbl_map(STRM &strm, const M &sd_maps,
+                          std::size_t start_row, std::size_t end_row)  {
+
+    _write_binary_common_(strm, sd_maps, start_row, end_row);
+
+    for (uint64_t i = start_row; i < end_row; ++i)  {
+        const uint64_t  sz = sd_maps.size();
+
+        strm.write(reinterpret_cast(&sz), sizeof(sz));
+        for (const auto &[str, dbl] : sd_maps[i])  {
+            const uint16_t  str_sz = static_cast(str.size());
+
+            strm.write(reinterpret_cast(&str_sz),
+                       sizeof(str_sz));
+        }
+
+        for (const auto &[str, dbl] : sd_maps[i])  {
+            strm.write(str.data(), str.size() * sizeof(char));
+            strm.write(reinterpret_cast(&dbl), sizeof(dbl));
+        }
+    }
+
+    return (strm);
+}
+
+// ----------------------------------------------------------------------------
+
 template
 inline static uint64_t
 _read_binary_common_(STRM &strm, bool needs_flipping, std::size_t start_row)  {
@@ -1136,6 +1256,120 @@ _read_binary_datetime_(STRM &strm, V &dt_vec, bool needs_flipping,
 }
 
 // ----------------------------------------------------------------------------
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+// Vector of double vectors
+//
+template
+inline static STRM &
+_read_binary_dbl_vec(STRM &strm, V &vec, bool needs_flipping,
+                     std::size_t start_row, std::size_t num_rows)  {
+
+    using VecType = typename std::remove_reference::type;
+    using ValueType = typename VecType::value_type;
+
+    const uint64_t  vec_size =
+        _read_binary_common_(strm, needs_flipping, start_row);
+    const uint64_t  read_end =
+        (num_rows == std::numeric_limits::max() ||
+         (start_row + num_rows) > vec_size)
+            ? vec_size : uint64_t(start_row + num_rows);
+
+    vec.reserve(read_end - start_row);
+    for (uint64_t i = 0; i < vec_size; ++i)  {
+        // Skip type name
+        //
+        strm.seekg(32 * sizeof(char), std::ios_base::cur);
+
+        if (i >= start_row && i < read_end) [[likely]]  {
+            ValueType   dbl_vec;
+
+            _read_binary_data_(strm, dbl_vec, needs_flipping,
+                               0, std::numeric_limits::max());
+            vec.push_back(std::move(dbl_vec));
+        }
+        else  {  // Skip the data
+            const uint64_t  inner_vec_size =
+                _read_binary_common_(strm, needs_flipping, 0);
+
+            strm.seekg(inner_vec_size * sizeof(double), std::ios_base::cur);
+        }
+    }
+    return (strm);
+}
+
+// ----------------------------------------------------------------------------
+
+// Vector of string vectors
+//
+template
+inline static STRM &
+_read_binary_str_vec(STRM &strm, V &vec, bool needs_flipping,
+                     std::size_t start_row, std::size_t num_rows)  {
+
+    using VecType = typename std::remove_reference::type;
+    using ValueType = typename VecType::value_type;
+
+    const uint64_t  vec_size =
+        _read_binary_common_(strm, needs_flipping, start_row);
+    const uint64_t  read_end =
+        (num_rows == std::numeric_limits::max() ||
+         (start_row + num_rows) > vec_size)
+            ? vec_size : uint64_t(start_row + num_rows);
+    ValueType       str_vec;
+
+    vec.reserve(read_end - start_row);
+    for (uint64_t i = 0; i < vec_size; ++i)  {
+        // Skip type name
+        //
+        strm.seekg(32 * sizeof(char), std::ios_base::cur);
+
+        str_vec.clear();
+        _read_binary_string_(strm, str_vec, needs_flipping,
+                             0, std::numeric_limits::max());
+        if (i >= start_row && i < read_end) [[likely]]
+            vec.push_back(std::move(str_vec));
+    }
+    return (strm);
+}
+
+// ----------------------------------------------------------------------------
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 //
 // Specializing std::hash for tuples
diff --git a/test/dataframe_tester_3.cc b/test/dataframe_tester_3.cc
index 0e984bb7..122d62f4 100644
--- a/test/dataframe_tester_3.cc
+++ b/test/dataframe_tester_3.cc
@@ -2206,37 +2206,35 @@ static void test_read_csv_with_maps()  {
     try  {
         df.read("AAPL_10dBucketWithMaps.csv", io_format::csv2);
 
-        // df.write
-        //     (std::cout, io_format::csv2);
-        assert(df.get_index().size() == 4);
+        assert(df.get_index().size() == 93);
         assert((std::fabs(df.get_column("Close")[3] - 1.0234) <
                               0.0001));
         assert((df.get_column("Volume")[3] == 3605190400));
 
         assert((std::fabs(
-            df.get_column("Map 1")[3]["label four 2"] - -782.5) <
-                0.001));
+            df.get_column
+                ("Map 1")[3]["label four 2"] - -782.5) < 0.001));
         assert((std::fabs(
             df.get_column("Map 1")[0]["label one 1"] - 123.0) < 0.001));
         assert((std::fabs(
             df.get_column
-            ("Unordered Map")[3]["Key four 3"] - 444.44) < 0.001));
+                ("Unordered Map")[3]["Key four 3"] - 444.44) < 0.001));
         assert((std::fabs(
             df.get_column
                 ("Unordered Map")[0]["Key one 2"] - -782.5) < 0.001));
 
-        assert((df.get_column("Str Vec").size() == 4));
+        assert((df.get_column("Str Vec").size() == 93));
         assert((df.get_column("Str Vec")[1].size() == 4));
         assert((df.get_column("Str Vec")[3].size() == 3));
         assert((df.get_column("Str Vec")[2][2] == "345"));
 
-        assert((df.get_column("Double Set").size() == 4));
+        assert((df.get_column("Double Set").size() == 93));
         assert((df.get_column("Double Set")[1].size() == 3));
         assert((df.get_column("Double Set")[3].size() == 4));
         assert((*(df.get_column("Double Set")[2].find(444.44)) ==
                    444.44));
 
-        assert((df.get_column("Str Set").size() == 4));
+        assert((df.get_column("Str Set").size() == 93));
         assert((df.get_column("Str Set")[1].size() == 3));
         assert((df.get_column("Str Set")[3].size() == 4));
         assert((*(df.get_column("Str Set")[0].find("123.0")) ==