| 1 | #include "Database.h"
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| 2 |
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| 3 | #include <regex>
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| 4 |
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| 5 | #include <boost/algorithm/string/join.hpp>
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| 6 | #include <boost/tokenizer.hpp>
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| 7 | #include <boost/algorithm/string.hpp>
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| 8 |
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| 9 | #include "tools.h"
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| 10 | #include "Time.h"
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| 11 | #include "Configuration.h"
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| 12 |
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| 13 | #include <TROOT.h>
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| 14 | #include <TSystem.h>
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| 15 | #include <TFile.h>
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| 16 | #include <TTree.h>
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| 17 |
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| 18 | using namespace std;
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| 19 |
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| 20 | // ------------------------------------------------------------------------
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| 21 |
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| 22 | void SetupConfiguration(Configuration &conf)
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| 23 | {
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| 24 | po::options_description control("Rootify SQL");
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| 25 | control.add_options()
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| 26 | ("uri,u", var<string>()->required(), "Database link as in\n\tuser:password@server[:port]/database.")
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| 27 | ("query,q", var<string>(""), "MySQL query (overwrites --file)")
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| 28 | ("file", var<string>("rootify.sql"), "An ASCII file with the MySQL query (overwrites --query)")
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| 29 | ("ignore-null,i", po_switch(), "Do not skip rows containing any NULL field")
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| 30 | ("out,o", var<string>("rootify.root"), "Output root file name")
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| 31 | ("force,f", po_switch(), "Force overwriting an existing root file ('RECREATE')")
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| 32 | ("update", po_switch(), "Update an existing root file with the new tree ('UPDATE')")
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| 33 | ("compression,c", var<uint16_t>(1), "zlib compression level for the root file")
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| 34 | ("tree,t", var<string>("Result"), "Name of the root tree")
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| 35 | ("ignore", vars<string>(), "Ignore the given columns")
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| 36 | ("display,d", po_switch(), "Displays contents on the screen (most usefull in combination with mysql statements as SHOW or EXPLAIN)")
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| 37 | ("write", var<string>(""), "Write output to an ascii file")
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| 38 | ("null,n", po_switch(), "Redirect the output file to /dev/null (mainly for debugging purposes, e.g. performance studies)")
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| 39 | ("no-fill", po_switch(), "Do not fill events into the root file (mainly for debugging purposes, e.g. performance studies)")
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| 40 | ("delimiter", var<string>(""), "The delimiter used if contents are displayed with --display (default=\\t)")
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| 41 | ("explain", po_switch(), "Requests an EXPLAIN from the server (shows the server optimized query)\nsee also https://dev.mysql.com/doc/refman/explain-output.html")
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| 42 | ("profiling", po_switch(), "Turn on profiling and print profile")
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| 43 | ("var.*", var<string>(), "Predefined SQL user variables (@VAR)")
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| 44 | ("env.*", vars<string>(), "Predefined environment for substitutions in the query ($ENV)")
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| 45 | ("list.*", var<string>(), "Predefined environment for substitutions in the query ($ENV). The list is read from the given file (one list entry per line)")
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| 46 | ("verbose,v", var<uint16_t>(1), "Verbosity (0: quiet, 1: default, 2: more, 3, ...)")
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| 47 | ;
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| 48 |
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| 49 | po::positional_options_description p;
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| 50 | p.add("file", 1); // The 1st positional options (n=1)
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| 51 | p.add("out", 1); // The 2nd positional options (n=1)
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| 52 |
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| 53 | conf.AddOptions(control);
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| 54 | conf.SetArgumentPositions(p);
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| 55 | }
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| 56 |
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| 57 | void PrintUsage()
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| 58 | {
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| 59 | cout <<
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| 60 | "rootifysql - Converts the result of a mysql query into a root file\n"
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| 61 | "\n"
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| 62 | "For convenience, this documentation uses the extended version of the options, "
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| 63 | "refer to the output below to get the abbreviations.\n"
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| 64 | "\n"
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| 65 | "Writes the result of a mysql query into a root file. For each column, a branch is "
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| 66 | "created of type double with the field name as name. This is usually the column name "
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| 67 | "if not specified otherwise by the AS mysql directive.\n"
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| 68 | "\n"
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| 69 | "Columns with CHAR or VARCHAR as field type are ignored. DATETIME, DATE and TIME "
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| 70 | "columns are converted to unix time (time_t). Rows containing any file which is "
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| 71 | "NULL are skipped if not suppressed by the --ignore-null option. Ideally, the query "
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| 72 | "is compiled in a way that no NULL field is returned. With the --display option the "
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| 73 | "result of the request is printed on the screen (NULL skipping still in action). "
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| 74 | "This can be useful to create an ascii file or to show results as 'SHOW DATABASES' "
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| 75 | "or 'EXPLAIN table'. To redirect the contents into an ascii file, the option -v0 "
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| 76 | "is useful. To suppredd writing to an output file --null can be used.\n"
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| 77 | "\n"
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| 78 | "The default is to read the query from a file called rootify.sql. Except if a different "
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| 79 | "filename is specified by the --file option or a query is given with --query.\n"
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| 80 | "\n"
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| 81 | "As a trick, the rootify.sql file can be made excutable (chmod u+x rootify.sql). "
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| 82 | "If the first line contains '#!rootifysql', the script can be executed directly.\n"
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| 83 | "\n"
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| 84 | "Columns whose name start with @ are skipped. If you want them in your output file "
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| 85 | "give them a name using AS, e.g. 'SELECT @A:=5 AS A'.\n"
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| 86 | "\n"
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| 87 | "You can use variables in your sql query like @MyVar and define them on the "
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| 88 | "command line. In this example with --var.MyVar=5\n"
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| 89 | "\n"
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| 90 | "You can use environment definitions for substitutions in your SQL query. "
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| 91 | "For example --env.TEST=5 would replace $TEST or ${TEST} in your query by 5."
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| 92 | "If you specifiy one environmentvariable more than once, a list is created. "
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| 93 | "For example --env.TEST=1 --env.TEST=2 --env.TEST=3 would substitute "
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| 94 | "$TEST or ${TEST} by '1, 2, 3'. This is useful for the SQL `IN` keyword. "
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| 95 | "You can also read the values for an enviroment substitution from a file "
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| 96 | "(one element per line), e.g. --env.TEST=file.txt. Lines starting with a # "
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| 97 | "are skipped.\n"
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| 98 | "\n"
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| 99 | "Comments in the query-file can be placed according to the SQL standard inline "
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| 100 | "/*comment*/ or introduced with # (shell script style) or -- (SQL style).\n"
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| 101 | "\n"
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| 102 | "In case of succes, 0 is returned, a value>0 otherwise.\n"
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| 103 | "\n"
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| 104 | "Usage: rootifysql [rootify.sql [rootify.root]] [-u URI] [-q query|-f file] [-i] [-o out] [-f] [-cN] [-t tree] [-vN]\n"
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| 105 | "\n"
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| 106 | ;
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| 107 | cout << endl;
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| 108 | }
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| 109 |
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| 110 | struct ExplainParser
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| 111 | {
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| 112 | string sql;
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| 113 |
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| 114 | vector<string> vec;
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| 115 |
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| 116 | string substitute(string _str, const regex &expr)
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| 117 | {
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| 118 | smatch match;
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| 119 | while (regex_search(_str, match, expr, regex_constants::format_first_only))
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| 120 | {
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| 121 | const auto &len = match.length(0);
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| 122 | const auto &pos = match.position(0);
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| 123 | const auto &str = match.str(0);
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| 124 |
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| 125 | const auto it = find(vec.cbegin(), vec.cend(), str);
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| 126 | const size_t id = it==vec.cend() ? vec.size() : it-vec.cbegin();
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| 127 |
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| 128 | _str.replace(pos, len, "{"+to_string(id)+"}");
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| 129 |
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| 130 | if (it==vec.cend())
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| 131 | vec.push_back(str);//.substr(1, str.size()-2));
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| 132 | }
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| 133 |
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| 134 | return _str;
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| 135 | }
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| 136 |
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| 137 | string substitute(const string &str, const string &expr)
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| 138 | {
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| 139 | return substitute(str, regex(expr));
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| 140 | }
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| 141 |
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| 142 | vector<string> queries;
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| 143 |
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| 144 | string resub(string str)
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| 145 | {
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| 146 | // search for "KEYWORD expression"
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| 147 | regex reg("\\{[0-9]+\\}");
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| 148 |
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| 149 | //smatch match;
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| 150 | smatch match;
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| 151 | while (regex_search(str, match, reg, regex_constants::format_first_only))
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| 152 | {
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| 153 | const auto &len = match.length(0);
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| 154 | const auto &pos = match.position(0);
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| 155 | const auto &arg = match.str(0); // Argument
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| 156 |
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| 157 | const auto idx = atoi(arg.c_str()+1);
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| 158 |
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| 159 | str.replace(pos, len, resub(vec[idx]));
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| 160 | }
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| 161 |
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| 162 | return str;
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| 163 | }
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| 164 |
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| 165 | void expression(string expr, size_t indent=0)
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| 166 | {
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| 167 | if (expr[0]=='{')
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| 168 | {
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| 169 | const auto idx = atoi(expr.c_str()+1);
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| 170 |
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| 171 | // This is a subquery
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| 172 | if (vec[idx].substr(0,3)=="(/*")
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| 173 | {
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| 174 | cout << setw(indent) << ' ' << "(\n";
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| 175 | find_tokens(vec[idx], indent+4);
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| 176 | cout << setw(indent) << ' ' << ") ";
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| 177 | }
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| 178 | else
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| 179 | // This is just something to substitute back
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| 180 | if (vec[idx].substr(0,2)=="({")
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| 181 | {
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| 182 | cout << setw(indent) << ' ' << "(" << resub(vec[idx]) << ") ";
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| 183 | }
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| 184 | else
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| 185 | {
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| 186 | if (indent>0)
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| 187 | cout << setw(indent) << ' ';
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| 188 | cout << resub(vec[idx]);
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| 189 | }
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| 190 | }
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| 191 | else
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| 192 | {
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| 193 | if (indent>0)
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| 194 | cout << setw(indent) << ' ';
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| 195 | cout << resub(expr);
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| 196 | }
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| 197 | }
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| 198 |
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| 199 | void find_tokens(string str, size_t indent=0)
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| 200 | {
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| 201 | // ( COMMENT )?( TOKEN )?(( {NNN} | NNN )( AS|ON ( {NNN}) ))?(,)?)
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| 202 | //regex reg("(\\/\\*\\ select\\#[0-9]+\\ \\*\\/\\ *)?([a-zA-Z ]+)?((\\{[0-9]+\\}|[0-9]+)(\\ ?([Aa][Ss]|[Oo][Nn])\\ ?(\\{[0-9]+\\}))?(,)?)");
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| 203 |
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| 204 | const string _com = "\\/\\*\\ select\\#[0-9]+\\ \\*\\/\\ *";
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| 205 |
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| 206 | const string _tok = "[a-zA-Z_ ]+";
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| 207 |
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| 208 | const string _nnn = "\\{[0-9]+\\}|[0-9]+";
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| 209 |
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| 210 | const string _as = "\\ ?([Aa][Ss])\\ ?";
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| 211 |
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| 212 | // ( _nnn ) ( _as ( _nnn ))?(,)? // can also match noting in between two {NNN}
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| 213 | const string _exp = "("+_nnn+")" + "("+_as+"("+_nnn+"))?(,)?";
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| 214 |
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| 215 | // Matche: ( _com )? ( ( _tok )? ( _exp ) | ( _tok ) )
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| 216 | regex reg("("+_com+")?" + "(" + "("+_tok+")?"+"("+_exp+")" + "|" + "("+_tok+")" + ")");
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| 217 |
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| 218 | smatch match;
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| 219 | while (regex_search(str, match, reg, regex_constants::format_first_only))
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| 220 | {
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| 221 |
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| 222 | const auto &com = match.str(1); // comment
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| 223 | const auto &tok1 = Tools::Trim(match.str(3)); // token with expression
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| 224 | const auto &arg1 = match.str(5); // argument 1
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| 225 | const auto &as = match.str(7); // as
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| 226 | const auto &arg2 = match.str(8); // argument 2
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| 227 | const auto &comma = match.str(9); // comma
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| 228 | const auto &tok2 = Tools::Trim(match.str(10)); // token without expression
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| 229 |
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| 230 | if (!com.empty())
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| 231 | cout << setw(indent) << ' ' << "\033[34m" << com << "\033[0m" << '\n';
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| 232 |
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| 233 | if (!tok1.empty())
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| 234 | cout << setw(indent) << ' ' << "\033[32m" << tok1 << "\033[0m" << '\n';
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| 235 | if (!tok2.empty())
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| 236 | cout << setw(indent) << ' ' << "\033[32m" << tok2 << "\033[0m" << '\n';
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| 237 |
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| 238 | if (!arg1.empty())
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| 239 | {
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| 240 | expression(arg1, indent+4);
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| 241 |
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| 242 | if (!as.empty())
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| 243 | cout << " \033[33m" << as << "\033[0m ";
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| 244 |
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| 245 | if (!arg2.empty())
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| 246 | expression(arg2);
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| 247 |
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| 248 | if (!comma.empty())
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| 249 | cout << ',';
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| 250 |
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| 251 | cout << '\n';
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| 252 | }
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| 253 |
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| 254 | str = str.substr(match.position(0)+match.length(0));
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| 255 | }
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| 256 | }
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| 257 |
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| 258 |
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| 259 | ExplainParser(const string &_sql) : sql(_sql)
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| 260 | {
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| 261 | // substitute all strings
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| 262 | sql = substitute(sql, "'[^']*'");
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| 263 |
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| 264 | // substitute all escaped sequences (`something`.`something-else`)
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| 265 | sql = substitute(sql, "`[^`]*`(\\.`[^`]*`)*");
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| 266 |
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| 267 | // substitute all paranthesis
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| 268 | sql = substitute(sql, "[a-zA-Z0-9_]*\\([^\\(\\)]*\\)");
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| 269 |
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| 270 | //cout << sql << "\n\n";
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| 271 | find_tokens(sql);
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| 272 | cout << endl;
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| 273 | }
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| 274 | };
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| 275 |
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| 276 | // Remove queries...
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| 277 | void format(string sql)
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| 278 | {
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| 279 | ExplainParser p(sql);
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| 280 |
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| 281 | /*
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| 282 |
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| 283 | SELECT
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| 284 | [ALL | DISTINCT | DISTINCTROW ]
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| 285 | [HIGH_PRIORITY]
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| 286 | [STRAIGHT_JOIN]
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| 287 | [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT]
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| 288 | [SQL_CACHE | SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS]
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| 289 | select_expr [, select_expr ...]
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| 290 | [FROM table_references
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| 291 | [PARTITION partition_list]
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| 292 | [WHERE where_condition]
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| 293 | [GROUP BY {col_name | expr | position}, ... [WITH ROLLUP]]
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| 294 | [HAVING where_condition]
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| 295 | [WINDOW window_name AS (window_spec)
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| 296 | [, window_name AS (window_spec)] ...]
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| 297 | [ORDER BY {col_name | expr | position}
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| 298 | [ASC | DESC], ... [WITH ROLLUP]]
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| 299 | [LIMIT {[offset,] row_count | row_count OFFSET offset}]
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| 300 | [INTO OUTFILE 'file_name'
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| 301 | [CHARACTER SET charset_name]
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| 302 | export_options
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| 303 | | INTO DUMPFILE 'file_name'
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| 304 | | INTO var_name [, var_name]]
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| 305 | [FOR {UPDATE | SHARE} [OF tbl_name [, tbl_name] ...] [NOWAIT | SKIP LOCKED]
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| 306 | | LOCK IN SHARE MODE]]
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| 307 | */
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| 308 |
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| 309 | /*
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| 310 | table_references:
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| 311 | escaped_table_reference [, escaped_table_reference] ...
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| 312 |
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| 313 | escaped_table_reference:
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| 314 | table_reference
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| 315 | | { OJ table_reference }
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| 316 |
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| 317 | table_reference:
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| 318 | table_factor
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| 319 | | join_table
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| 320 |
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| 321 | table_factor:
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| 322 | tbl_name [PARTITION (partition_names)]
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| 323 | [[AS] alias] [index_hint_list]
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| 324 | | table_subquery [AS] alias [(col_list)]
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| 325 | | ( table_references )
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| 326 |
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| 327 | join_table:
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| 328 | table_reference [INNER | CROSS] JOIN table_factor [join_condition]
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| 329 | | table_reference STRAIGHT_JOIN table_factor
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| 330 | | table_reference STRAIGHT_JOIN table_factor ON conditional_expr
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| 331 | | table_reference {LEFT|RIGHT} [OUTER] JOIN table_reference join_condition
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| 332 | | table_reference NATURAL [INNER | {LEFT|RIGHT} [OUTER]] JOIN table_factor
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| 333 |
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| 334 | join_condition:
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| 335 | ON conditional_expr
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| 336 | | USING (column_list)
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| 337 |
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| 338 | index_hint_list:
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| 339 | index_hint [, index_hint] ...
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| 340 |
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| 341 | index_hint:
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| 342 | USE {INDEX|KEY}
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| 343 | [FOR {JOIN|ORDER BY|GROUP BY}] ([index_list])
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| 344 | | IGNORE {INDEX|KEY}
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| 345 | [FOR {JOIN|ORDER BY|GROUP BY}] (index_list)
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| 346 | | FORCE {INDEX|KEY}
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| 347 | [FOR {JOIN|ORDER BY|GROUP BY}] (index_list)
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| 348 |
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| 349 | index_list:
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| 350 | index_name [, index_name] ...
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| 351 | */
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| 352 |
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| 353 | }
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| 354 |
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| 355 | int main(int argc, const char* argv[])
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| 356 | {
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| 357 | Time start;
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| 358 |
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| 359 | gROOT->SetBatch();
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| 360 |
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| 361 | Configuration conf(argv[0]);
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| 362 | conf.SetPrintUsage(PrintUsage);
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| 363 | SetupConfiguration(conf);
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| 364 |
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| 365 | if (!conf.DoParse(argc, argv))
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| 366 | return 127;
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| 367 |
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| 368 | // ----------------------------- Evaluate options --------------------------
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| 369 | const string uri = conf.Get<string>("uri");
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| 370 | const string out = conf.Get<string>("out");
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| 371 | const string file = conf.Get<string>("file");
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| 372 | const string tree = conf.Get<string>("tree");
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| 373 | const bool force = conf.Get<bool>("force");
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| 374 | const bool ignorenull = conf.Get<bool>("ignore-null");
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| 375 | const bool update = conf.Get<bool>("update");
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| 376 | const bool display = conf.Get<bool>("display");
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|---|
| 377 | const string write = conf.Get<string>("write");
|
|---|
| 378 | const bool noout = conf.Get<bool>("null");
|
|---|
| 379 | const bool nofill = conf.Get<bool>("no-fill");
|
|---|
| 380 | const bool explain = conf.Get<bool>("explain");
|
|---|
| 381 | const bool profiling = conf.Get<bool>("profiling");
|
|---|
| 382 | const uint16_t verbose = conf.Get<uint16_t>("verbose");
|
|---|
| 383 | const uint16_t compression = conf.Get<uint16_t>("compression");
|
|---|
| 384 | const string delimiter = conf.Get<string>("delimiter");
|
|---|
| 385 | const vector<string> _ignore = conf.Vec<string>("ignore");
|
|---|
| 386 | //const vector<Map> mymap = conf.Vec<Map>("map");
|
|---|
| 387 |
|
|---|
| 388 | // -------------------------------------------------------------------------
|
|---|
| 389 |
|
|---|
| 390 | const auto vars = conf.GetWildcardOptions("var.*");
|
|---|
| 391 |
|
|---|
| 392 | vector<string> variables;
|
|---|
| 393 | for (const auto &var : vars)
|
|---|
| 394 | variables.emplace_back('@'+var.substr(4)+":="+Tools::Trim(conf.Get<string>(var)));
|
|---|
| 395 |
|
|---|
| 396 | // -------------------------------------------------------------------------
|
|---|
| 397 |
|
|---|
| 398 | if (verbose>0)
|
|---|
| 399 | cout << "\n------------------------ Rootify SQL -------------------------" << endl;
|
|---|
| 400 |
|
|---|
| 401 | string query = conf.Get<string>("query");
|
|---|
| 402 | if (query.empty())
|
|---|
| 403 | {
|
|---|
| 404 | if (verbose>0)
|
|---|
| 405 | cout << "Reading query from file '" << file << "'." << endl;
|
|---|
| 406 |
|
|---|
| 407 | ifstream fin(file);
|
|---|
| 408 | if (!fin)
|
|---|
| 409 | {
|
|---|
| 410 | cerr << "Could not open query in '" << file << "': " << strerror(errno) << endl;
|
|---|
| 411 | return 1;
|
|---|
| 412 | }
|
|---|
| 413 | getline(fin, query, (char)fin.eof());
|
|---|
| 414 | }
|
|---|
| 415 |
|
|---|
| 416 | if (query.empty())
|
|---|
| 417 | {
|
|---|
| 418 | cerr << "No query specified." << endl;
|
|---|
| 419 | return 2;
|
|---|
| 420 | }
|
|---|
| 421 |
|
|---|
| 422 | // -------------------------------------------------------------------------
|
|---|
| 423 |
|
|---|
| 424 | map<string, vector<string>> envs;
|
|---|
| 425 |
|
|---|
| 426 | for (const auto &env : conf.GetWildcardOptions("env.*"))
|
|---|
| 427 | envs[env.substr(4)] = conf.Vec<string>(env);
|
|---|
| 428 |
|
|---|
| 429 | for (const auto &env : conf.GetWildcardOptions("list.*"))
|
|---|
| 430 | {
|
|---|
| 431 | const string fname = conf.Get<string>(env);
|
|---|
| 432 | const string &ident = env.substr(5);
|
|---|
| 433 |
|
|---|
| 434 | ifstream fin(fname);
|
|---|
| 435 | if (!fin)
|
|---|
| 436 | {
|
|---|
| 437 | cerr << "Could not open environment in '" << fname << "' for ${" << ident << "}: " << strerror(errno) << endl;
|
|---|
| 438 | return 3;
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | for (string line; getline(fin, line); )
|
|---|
| 442 | if (Tools::Trim(line)[0]!='#')
|
|---|
| 443 | envs[ident].push_back(line);
|
|---|
| 444 |
|
|---|
| 445 | if (verbose>0)
|
|---|
| 446 | cout << "Found " << envs[ident].size() << " list element(s) for ${" << ident << "}" << endl;
|
|---|
| 447 | }
|
|---|
| 448 |
|
|---|
| 449 | for (const auto &env : envs)
|
|---|
| 450 | {
|
|---|
| 451 | regex rexpr("\\$(\\{"+env.first+"\\}|"+env.first+"\\b)");
|
|---|
| 452 | query = regex_replace(query, rexpr, boost::join(env.second, ", "));
|
|---|
| 453 | }
|
|---|
| 454 |
|
|---|
| 455 | // -------------------------- Check for file permssion ---------------------
|
|---|
| 456 | // Strictly speaking, checking for write permission and existance is not necessary,
|
|---|
| 457 | // but it is convenient that the user does not find out that it failed after
|
|---|
| 458 | // waiting long for the query result
|
|---|
| 459 | //
|
|---|
| 460 | // I am using root here instead of boost to be
|
|---|
| 461 | // consistent with the access pattern by TFile
|
|---|
| 462 | TString path(noout?"/dev/null":out.c_str());
|
|---|
| 463 | gSystem->ExpandPathName(path);
|
|---|
| 464 |
|
|---|
| 465 | if (!noout)
|
|---|
| 466 | {
|
|---|
| 467 | FileStat_t stat;
|
|---|
| 468 | const Int_t exist = !gSystem->GetPathInfo(path, stat);
|
|---|
| 469 | const Bool_t _write = !gSystem->AccessPathName(path, kWritePermission) && R_ISREG(stat.fMode);
|
|---|
| 470 |
|
|---|
| 471 | if ((update && !exist) || (update && exist && !_write) || (force && exist && !_write))
|
|---|
| 472 | {
|
|---|
| 473 | cerr << "File '" << path << "' is not writable." << endl;
|
|---|
| 474 | return 3;
|
|---|
| 475 | }
|
|---|
| 476 |
|
|---|
| 477 | if (!update && !force && exist)
|
|---|
| 478 | {
|
|---|
| 479 | cerr << "File '" << path << "' already exists." << endl;
|
|---|
| 480 | return 4;
|
|---|
| 481 | }
|
|---|
| 482 | }
|
|---|
| 483 |
|
|---|
| 484 | Time start2;
|
|---|
| 485 |
|
|---|
| 486 | // --------------------------- Connect to database -------------------------------------------------
|
|---|
| 487 |
|
|---|
| 488 | if (query.back()!='\n')
|
|---|
| 489 | query += '\n';
|
|---|
| 490 |
|
|---|
| 491 | if (verbose>0)
|
|---|
| 492 | cout << "Connecting to database..." << endl;
|
|---|
| 493 |
|
|---|
| 494 |
|
|---|
| 495 | Database connection(uri); // Keep alive while fetching rows
|
|---|
| 496 |
|
|---|
| 497 | try
|
|---|
| 498 | {
|
|---|
| 499 | if (profiling)
|
|---|
| 500 | connection.query("SET PROFILING=1").execute();
|
|---|
| 501 | }
|
|---|
| 502 | catch (const exception &e)
|
|---|
| 503 | {
|
|---|
| 504 | cerr << "\nSET profiling=1\n\n";
|
|---|
| 505 | cerr << "SQL query failed:\n" << e.what() << endl;
|
|---|
| 506 | return 6;
|
|---|
| 507 | }
|
|---|
| 508 |
|
|---|
| 509 | // -------------------------- Set user defined variables -------------------
|
|---|
| 510 | if (variables.size()>0)
|
|---|
| 511 | {
|
|---|
| 512 | if (verbose>0)
|
|---|
| 513 | cout << "Setting user defined variables..." << endl;
|
|---|
| 514 |
|
|---|
| 515 | const string varset =
|
|---|
| 516 | "SET\n "+boost::algorithm::join(variables, ",\n ");
|
|---|
| 517 |
|
|---|
| 518 | try
|
|---|
| 519 | {
|
|---|
| 520 | connection.query(varset).execute();
|
|---|
| 521 | }
|
|---|
| 522 | catch (const exception &e)
|
|---|
| 523 | {
|
|---|
| 524 | cerr << '\n' << varset << "\n\n";
|
|---|
| 525 | cerr << "SQL query failed:\n" << e.what() << endl;
|
|---|
| 526 | return 7;
|
|---|
| 527 | }
|
|---|
| 528 |
|
|---|
| 529 | if (verbose>2)
|
|---|
| 530 | cout << '\n' << varset << '\n' << endl;
|
|---|
| 531 | }
|
|---|
| 532 |
|
|---|
| 533 | // ------------------------- Explain query if requested --------------------
|
|---|
| 534 |
|
|---|
| 535 | if (explain)
|
|---|
| 536 | {
|
|---|
| 537 | try
|
|---|
| 538 | {
|
|---|
| 539 | const auto res0 =
|
|---|
| 540 | connection.query("EXPLAIN FORMAT=JSON "+query).store();
|
|---|
| 541 |
|
|---|
| 542 | cout << res0[0][0] << endl;
|
|---|
| 543 | cout << endl;
|
|---|
| 544 |
|
|---|
| 545 | const mysqlpp::StoreQueryResult res1 =
|
|---|
| 546 | connection.query("EXPLAIN "+query).store();
|
|---|
| 547 |
|
|---|
| 548 | for (size_t i=0; i<res1.num_rows(); i++)
|
|---|
| 549 | {
|
|---|
| 550 | const mysqlpp::Row &row = res1[i];
|
|---|
| 551 |
|
|---|
| 552 | cout << "\nid : " << row["id"];
|
|---|
| 553 | cout << "\nselect type : " << row["select_type"];
|
|---|
| 554 |
|
|---|
| 555 | if (!row["table"].is_null())
|
|---|
| 556 | cout << "\ntable : " << row["table"];
|
|---|
| 557 |
|
|---|
| 558 | if (!row["partitions"].is_null())
|
|---|
| 559 | cout << "\npartitions : " << row["partitions"];
|
|---|
| 560 |
|
|---|
| 561 | if (!row["key"].is_null())
|
|---|
| 562 | cout << "\nselected key : " << row["key"] << " [len=" << row["key_len"] << "] out of (" << row["possible_keys"] << ")";
|
|---|
| 563 |
|
|---|
| 564 | if (!row["type"].is_null())
|
|---|
| 565 | cout << "\njoin type : " << row["type"];
|
|---|
| 566 |
|
|---|
| 567 | //if (!row["possible_keys"].is_null())
|
|---|
| 568 | // cout << "\npossible_keys: " << row["possible_keys"];
|
|---|
| 569 |
|
|---|
| 570 | //if (!row["key_len"].is_null())
|
|---|
| 571 | // cout << "\nkey_len : " << row["key_len"];
|
|---|
| 572 |
|
|---|
| 573 | if (!row["ref"].is_null())
|
|---|
| 574 | cout << "\nref : (" << row["ref"] << ") compared to the index";
|
|---|
| 575 |
|
|---|
| 576 | if (!row["rows"].is_null())
|
|---|
| 577 | cout << "\nrows : " << row["rows"];
|
|---|
| 578 |
|
|---|
| 579 | if (!row["filtered"].is_null())
|
|---|
| 580 | cout << "\nfiltered : " << row["filtered"];
|
|---|
| 581 |
|
|---|
| 582 | if (!row["extra"].is_null())
|
|---|
| 583 | cout << "\nExtra : " << row["extra"];
|
|---|
| 584 |
|
|---|
| 585 | cout << endl;
|
|---|
| 586 | }
|
|---|
| 587 |
|
|---|
| 588 | cout << endl;
|
|---|
| 589 |
|
|---|
| 590 | const mysqlpp::StoreQueryResult res2 =
|
|---|
| 591 | connection.query("SHOW WARNINGS").store();
|
|---|
| 592 |
|
|---|
| 593 | for (size_t i=0; i<res2.num_rows(); i++)
|
|---|
| 594 | {
|
|---|
| 595 | const mysqlpp::Row &row = res2[i];
|
|---|
| 596 |
|
|---|
| 597 | // 1003 //
|
|---|
| 598 | cout << row["Level"] << '[' << row["Code"] << "]:\n";
|
|---|
| 599 | if (uint32_t(row["Code"])==1003)
|
|---|
| 600 | format(row["Message"].c_str());
|
|---|
| 601 | else
|
|---|
| 602 | cout << row["Message"] << '\n' << endl;
|
|---|
| 603 |
|
|---|
| 604 | }
|
|---|
| 605 |
|
|---|
| 606 | }
|
|---|
| 607 | catch (const exception &e)
|
|---|
| 608 | {
|
|---|
| 609 | cerr << '\n' << query << "\n\n";
|
|---|
| 610 | cerr << "SQL query failed:\n" << e.what() << endl;
|
|---|
| 611 | return 8;
|
|---|
| 612 | }
|
|---|
| 613 |
|
|---|
| 614 | return 0;
|
|---|
| 615 | }
|
|---|
| 616 |
|
|---|
| 617 | // -------------------------- Request data from database -------------------
|
|---|
| 618 | if (verbose>0)
|
|---|
| 619 | cout << "Requesting data..." << endl;
|
|---|
| 620 |
|
|---|
| 621 | if (verbose>2)
|
|---|
| 622 | cout << '\n' << query << endl;
|
|---|
| 623 |
|
|---|
| 624 | const mysqlpp::UseQueryResult res =
|
|---|
| 625 | connection.query(query).use();
|
|---|
| 626 |
|
|---|
| 627 | // -------------------------------------------------------------------------
|
|---|
| 628 |
|
|---|
| 629 | if (verbose>0)
|
|---|
| 630 | cout << "Opening file '" << path << "' [compression=" << compression << "]..." << endl;
|
|---|
| 631 |
|
|---|
| 632 | // ----------------------------- Open output file --------------------------
|
|---|
| 633 | TFile tfile(path, update?"UPDATE":(force?"RECREATE":"CREATE"), "Rootify SQL", compression);
|
|---|
| 634 | if (tfile.IsZombie())
|
|---|
| 635 | return 9;
|
|---|
| 636 |
|
|---|
| 637 | // -------------------------------------------------------------------------
|
|---|
| 638 |
|
|---|
| 639 | // get the first row to get the field description
|
|---|
| 640 | mysqlpp::Row row = res.fetch_row();
|
|---|
| 641 | if (!row)
|
|---|
| 642 | {
|
|---|
| 643 | cerr << "Empty set returned... nothing to write." << endl;
|
|---|
| 644 | return 10;
|
|---|
| 645 | }
|
|---|
| 646 |
|
|---|
| 647 | if (verbose>0)
|
|---|
| 648 | cout << "Trying to setup " << row.size() << " branches..." << endl;
|
|---|
| 649 |
|
|---|
| 650 | if (verbose>1)
|
|---|
| 651 | cout << endl;
|
|---|
| 652 |
|
|---|
| 653 | const mysqlpp::FieldNames &l = *row.field_list().list;
|
|---|
| 654 |
|
|---|
| 655 | vector<double> buf(l.size());
|
|---|
| 656 | vector<uint8_t> typ(l.size(),'n'); // n=number [double], d is used for DateTime
|
|---|
| 657 |
|
|---|
| 658 | UInt_t cols = 0;
|
|---|
| 659 |
|
|---|
| 660 |
|
|---|
| 661 | // -------------------- Configure branches of TTree ------------------------
|
|---|
| 662 | TTree *ttree = new TTree(tree.c_str(), query.c_str());
|
|---|
| 663 |
|
|---|
| 664 | size_t skipat = 0;
|
|---|
| 665 | size_t skipreg = 0;
|
|---|
| 666 | for (size_t i=0; i<l.size(); i++)
|
|---|
| 667 | {
|
|---|
| 668 | const string t = row[i].type().sql_name();
|
|---|
| 669 |
|
|---|
| 670 | if (t.find("DATETIME")!=string::npos)
|
|---|
| 671 | typ[i] = 'd';
|
|---|
| 672 | else
|
|---|
| 673 | if (t.find("DATE")!=string::npos)
|
|---|
| 674 | typ[i] = 'D';
|
|---|
| 675 | else
|
|---|
| 676 | if (t.find("TIME")!=string::npos)
|
|---|
| 677 | typ[i] = 'T';
|
|---|
| 678 | else
|
|---|
| 679 | if (t.find("VARCHAR")!=string::npos)
|
|---|
| 680 | typ[i] = 'V';
|
|---|
| 681 | else
|
|---|
| 682 | if (t.find("CHAR")!=string::npos)
|
|---|
| 683 | typ[i] = 'C';
|
|---|
| 684 |
|
|---|
| 685 | bool found = false;
|
|---|
| 686 | for (const auto &pattern: _ignore)
|
|---|
| 687 | {
|
|---|
| 688 | if (regex_match(l[i], regex(pattern)))
|
|---|
| 689 | {
|
|---|
| 690 | found = true;
|
|---|
| 691 | typ[i] = '-';
|
|---|
| 692 | skipreg++;
|
|---|
| 693 | break;
|
|---|
| 694 | }
|
|---|
| 695 | }
|
|---|
| 696 |
|
|---|
| 697 | if (l[i][0]=='@')
|
|---|
| 698 | {
|
|---|
| 699 | typ[i] = '@';
|
|---|
| 700 | skipat++;
|
|---|
| 701 | }
|
|---|
| 702 |
|
|---|
| 703 | const bool use = l[i][0]!='@' && typ[i]!='V' && typ[i]!='C' && !found;
|
|---|
| 704 |
|
|---|
| 705 | if (verbose>1)
|
|---|
| 706 | cout << (use?" + ":" - ") << l[i].c_str() << " [" << t << "] {" << typ[i] << "}\n";
|
|---|
| 707 |
|
|---|
| 708 | if (use)
|
|---|
| 709 | {
|
|---|
| 710 | // string name = l[i];
|
|---|
| 711 | // for (const auto &m: mymap)
|
|---|
| 712 | // name = boost::regex_replace(l[i], boost::regex(m.first), m.second);
|
|---|
| 713 |
|
|---|
| 714 | ttree->Branch(l[i].c_str(), buf.data()+i);
|
|---|
| 715 | cols++;
|
|---|
| 716 | }
|
|---|
| 717 | }
|
|---|
| 718 | // -------------------------------------------------------------------------
|
|---|
| 719 |
|
|---|
| 720 | if (verbose>1)
|
|---|
| 721 | cout << endl;
|
|---|
| 722 | if (verbose>0)
|
|---|
| 723 | {
|
|---|
| 724 | if (skipreg)
|
|---|
| 725 | cout << skipreg << " branches skipped due to ignore list." << endl;
|
|---|
| 726 | if (skipat)
|
|---|
| 727 | cout << skipat << " branches skipped due to name starting with @." << endl;
|
|---|
| 728 | cout << "Configured " << cols << " branches.\nFilling branches..." << endl;
|
|---|
| 729 | }
|
|---|
| 730 |
|
|---|
| 731 | ofstream fout(write);
|
|---|
| 732 | if (!write.empty() && !fout)
|
|---|
| 733 | cout << "WARNING: Writing to '" << write << "' failed: " << strerror(errno) << endl;
|
|---|
| 734 |
|
|---|
| 735 | if (display)
|
|---|
| 736 | {
|
|---|
| 737 | cout << endl;
|
|---|
| 738 | cout << "#";
|
|---|
| 739 | for (size_t i=0; i<l.size(); i++)
|
|---|
| 740 | cout << ' ' << l[i].c_str();
|
|---|
| 741 | cout << endl;
|
|---|
| 742 | }
|
|---|
| 743 |
|
|---|
| 744 | if (!write.empty())
|
|---|
| 745 | {
|
|---|
| 746 | fout << "#";
|
|---|
| 747 | for (size_t i=0; i<l.size(); i++)
|
|---|
| 748 | fout << ' ' << l[i].c_str();
|
|---|
| 749 | fout << endl;
|
|---|
| 750 | }
|
|---|
| 751 |
|
|---|
| 752 | // ---------------------- Fill TTree with DB data --------------------------
|
|---|
| 753 | size_t count = 0;
|
|---|
| 754 | size_t skip = 0;
|
|---|
| 755 | do
|
|---|
| 756 | {
|
|---|
| 757 | count++;
|
|---|
| 758 |
|
|---|
| 759 | ostringstream sout;
|
|---|
| 760 |
|
|---|
| 761 | size_t idx=0;
|
|---|
| 762 | for (auto col=row.begin(); col!=row.end(); col++, idx++)
|
|---|
| 763 | {
|
|---|
| 764 | if (display || !write.empty())
|
|---|
| 765 | {
|
|---|
| 766 | if (idx>0)
|
|---|
| 767 | sout << (delimiter.empty()?"\t":delimiter);
|
|---|
| 768 | sout << col->c_str();
|
|---|
| 769 | }
|
|---|
| 770 |
|
|---|
| 771 | if (!ignorenull && col->is_null())
|
|---|
| 772 | {
|
|---|
| 773 | skip++;
|
|---|
| 774 | break;
|
|---|
| 775 | }
|
|---|
| 776 |
|
|---|
| 777 | switch (typ[idx])
|
|---|
| 778 | {
|
|---|
| 779 | case 'd':
|
|---|
| 780 | buf[idx] = time_t((mysqlpp::DateTime)(*col));
|
|---|
| 781 | break;
|
|---|
| 782 |
|
|---|
| 783 | case 'D':
|
|---|
| 784 | buf[idx] = time_t((mysqlpp::Date)(*col));
|
|---|
| 785 | break;
|
|---|
| 786 |
|
|---|
| 787 | case 'T':
|
|---|
| 788 | buf[idx] = time_t((mysqlpp::Time)(*col));
|
|---|
| 789 | break;
|
|---|
| 790 |
|
|---|
| 791 | case 'V':
|
|---|
| 792 | case 'C':
|
|---|
| 793 | case '-':
|
|---|
| 794 | case '@':
|
|---|
| 795 | break;
|
|---|
| 796 |
|
|---|
| 797 | default:
|
|---|
| 798 | buf[idx] = atof(col->c_str());
|
|---|
| 799 | }
|
|---|
| 800 | }
|
|---|
| 801 |
|
|---|
| 802 | if (idx==row.size())
|
|---|
| 803 | {
|
|---|
| 804 | if (!nofill)
|
|---|
| 805 | ttree->Fill();
|
|---|
| 806 |
|
|---|
| 807 | if (display)
|
|---|
| 808 | cout << sout.str() << endl;
|
|---|
| 809 | if (!write.empty())
|
|---|
| 810 | fout << sout.str() << '\n';
|
|---|
| 811 | }
|
|---|
| 812 |
|
|---|
| 813 | row = res.fetch_row();
|
|---|
| 814 |
|
|---|
| 815 |
|
|---|
| 816 | } while (row);
|
|---|
| 817 |
|
|---|
| 818 | // -------------------------------------------------------------------------
|
|---|
| 819 |
|
|---|
| 820 | if (display)
|
|---|
| 821 | cout << '\n' << endl;
|
|---|
| 822 |
|
|---|
| 823 | if (verbose>0)
|
|---|
| 824 | {
|
|---|
| 825 | cout << count << " rows fetched." << endl;
|
|---|
| 826 | if (skip>0)
|
|---|
| 827 | cout << skip << " rows skipped due to NULL field." << endl;
|
|---|
| 828 |
|
|---|
| 829 | cout << ttree->GetEntries() << " rows filled into tree." << endl;
|
|---|
| 830 | }
|
|---|
| 831 |
|
|---|
| 832 | ttree->Write();
|
|---|
| 833 | tfile.Close();
|
|---|
| 834 |
|
|---|
| 835 | if (verbose>0)
|
|---|
| 836 | {
|
|---|
| 837 | const auto sec = Time().UnixTime()-start.UnixTime();
|
|---|
| 838 |
|
|---|
| 839 | cout << Tools::Scientific(tfile.GetSize()) << "B written to disk.\n";
|
|---|
| 840 | cout << "File closed.\n";
|
|---|
| 841 | cout << "Execution time: " << sec << "s ";
|
|---|
| 842 | cout << "(" << Tools::Fractional(sec/count) << "s/row)\n";
|
|---|
| 843 | cout << "--------------------------------------------------------------" << endl;
|
|---|
| 844 |
|
|---|
| 845 | try
|
|---|
| 846 | {
|
|---|
| 847 | const auto resw =
|
|---|
| 848 | connection.query("SHOW WARNINGS").store();
|
|---|
| 849 |
|
|---|
| 850 | if (resw.num_rows()>0)
|
|---|
| 851 | cout << "\n" << resw.num_rows() << " Warning(s) issued:\n\n";
|
|---|
| 852 |
|
|---|
| 853 | for (size_t i=0; i<resw.num_rows(); i++)
|
|---|
| 854 | {
|
|---|
| 855 | const mysqlpp::Row &roww = resw[i];
|
|---|
| 856 |
|
|---|
| 857 | cout << roww["Level"] << '[' << roww["Code"] << "]: ";
|
|---|
| 858 | cout << roww["Message"] << '\n';
|
|---|
| 859 | }
|
|---|
| 860 | cout << endl;
|
|---|
| 861 |
|
|---|
| 862 | }
|
|---|
| 863 | catch (const exception &e)
|
|---|
| 864 | {
|
|---|
| 865 | cerr << "\nSHOW WARNINGS\n\n";
|
|---|
| 866 | cerr << "SQL query failed:\n" << e.what() << endl;
|
|---|
| 867 | return 6;
|
|---|
| 868 | }
|
|---|
| 869 | }
|
|---|
| 870 |
|
|---|
| 871 | if (profiling)
|
|---|
| 872 | {
|
|---|
| 873 | try
|
|---|
| 874 | {
|
|---|
| 875 | const auto N =
|
|---|
| 876 | connection.query("SHOW PROFILES").store().num_rows();
|
|---|
| 877 |
|
|---|
| 878 | const auto resp =
|
|---|
| 879 | connection.query("SHOW PROFILE ALL FOR QUERY "+to_string(verbose?N-1:N)).store();
|
|---|
| 880 |
|
|---|
| 881 | cout << '\n';
|
|---|
| 882 | cout << left;
|
|---|
| 883 | cout << setw(26) << "Status" << ' ';
|
|---|
| 884 | cout << right;
|
|---|
| 885 | cout << setw(11) << "Duration" << ' ';
|
|---|
| 886 | cout << setw(11) << "CPU User" << ' ';
|
|---|
| 887 | cout << setw(11) << "CPU System" << '\n';
|
|---|
| 888 | cout << "--------------------------------------------------------------\n";
|
|---|
| 889 | for (size_t i=0; i<resp.num_rows(); i++)
|
|---|
| 890 | {
|
|---|
| 891 | const mysqlpp::Row &rowp = resp[i];
|
|---|
| 892 |
|
|---|
| 893 | cout << left;
|
|---|
| 894 | cout << setw(26) << rowp["Status"] << ' ';
|
|---|
| 895 | cout << right;
|
|---|
| 896 | cout << setw(11) << rowp["Duration"] << ' ';
|
|---|
| 897 | cout << setw(11) << rowp["CPU_user"] << ' ';
|
|---|
| 898 | cout << setw(11) << rowp["CPU_system"] << '\n';
|
|---|
| 899 | }
|
|---|
| 900 | cout << "--------------------------------------------------------------\n";
|
|---|
| 901 | cout << endl;
|
|---|
| 902 | }
|
|---|
| 903 | catch (const exception &e)
|
|---|
| 904 | {
|
|---|
| 905 | cerr << "\nSHOW PROFILE ALL\n\n";
|
|---|
| 906 | cerr << "SQL query failed:\n" << e.what() << '\n' <<endl;
|
|---|
| 907 | return 11;
|
|---|
| 908 | }
|
|---|
| 909 | }
|
|---|
| 910 |
|
|---|
| 911 | return 0;
|
|---|
| 912 | }
|
|---|
