fix(SQLParser): move to Data dir; add extradirs, remove vs 140,150 build scripts generation

Data/SQLParser/benchmark/parser_benchmark.cpp

@@ -0,0 +1,87 @@
+
+#include <chrono>
+#include <sstream>
+#include "benchmark/benchmark.h"
+
+#include "SQLParser.h"
+#include "parser/bison_parser.h"
+#include "parser/flex_lexer.h"
+
+#include "benchmark_utils.h"
+
+// Benchmark the influence of increasing size of the query, while
+// the number of tokens remains unchanged.
+static void BM_CharacterCount(benchmark::State& st) {
+  const size_t querySize = st.range(0);
+
+  // Base query has size of 18 characters.
+  std::string query = "SELECT %name% FROM test;";
+
+  const uint pad = querySize - 18;
+  const std::string filler = std::string(pad, 'a');
+  query.replace(7, 6, filler);
+
+  st.counters["num_tokens"] = getNumTokens(query);
+  st.counters["num_chars"] = query.size();
+  while (st.KeepRunning()) {
+    hsql::SQLParserResult result;
+    hsql::SQLParser::parse(query, &result);
+  }
+}
+BENCHMARK(BM_CharacterCount)
+  ->RangeMultiplier(1 << 2)
+  ->Ranges({{1 << 5, 1 << 15},
+            {5, 5}});
+
+// Benchmark the influence of increasing number of tokens, while
+// the number of characters remains unchanged.
+static void BM_ConditionalTokens(benchmark::State& st) {
+  const size_t targetSize = st.range(0);
+  const size_t numTokens = st.range(1);
+
+  // Base query contains 6 tokens.
+  std::string query = "SELECT * FROM test";
+
+  // Create conditional.
+  std::stringstream condStream;
+  size_t missingTokens = numTokens - 4;
+  if (missingTokens > 0) {
+    condStream << " WHERE a";
+    missingTokens -= 2;
+
+    while (missingTokens > 0) {
+      condStream << " AND a";
+      missingTokens -= 2;
+    }
+  }
+
+  query += condStream.str();
+
+  if (targetSize >= query.size()) {
+    const size_t pad = targetSize - query.size();
+    const std::string filler = std::string(pad, 'a');
+    query.replace(7, 1, filler);
+
+  } else {
+    // Query can't be the same length as in the other benchmarks.
+    // Running this will result in unusable data.
+    fprintf(stderr, "Too many tokens. Query too long for benchmark char limit (%lu > %lu).\n",
+      query.size(), targetSize);
+    return;
+  }
+
+  st.counters["num_tokens"] = getNumTokens(query);
+  st.counters["num_chars"] = query.size();
+  while (st.KeepRunning()) {
+    hsql::SQLParserResult result;
+    hsql::SQLParser::parse(query, &result);
+    if (!result.isValid()) st.SkipWithError("Parsing failed!");
+  }
+}
+BENCHMARK(BM_ConditionalTokens)
+  ->RangeMultiplier(1 << 2)
+  ->Ranges({{1 << 14, 1 << 14},
+            {1 << 2, 1 << 11}});
+
+
+