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< > BotCompany Repo | #1000660 // MySQL dump importer

JavaX source code [tags: use-pretranspiled] - run with: x30.jar

Libraryless. Click here for Pure Java version (4181L/29K/76K).

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// todo: hotwire programs only once
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!636
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!sf
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!L<S>
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!cast
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!class _javax 19
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!JavaTok
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main {
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  static new Map<S, List> tables;
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  static new Map<S, List> tableFields;
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  static long totalRows;
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  static Object in;
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  static Class x1000656;
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  static Object releaseNote = new Object() { public void finalize() {
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    System.err.println("Note: MySQL dump importer released.");
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  }};
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  psvm {
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    if (in == null)
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      in = loadSnippet("#3000013"); // mysql dump
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    // load subprograms
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    x1000656 = hotwire("#1000656");
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    L<S> creates = find_create_statements((S) in);
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    print(creates.size() + " creates");
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    for (S create : creates) {
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      String tableName = get_table_name_from_create_statement(create);
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      String[] names = find_field_names(create).split(", ");
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      tableFields.put(tableName, Arrays.asList(names));
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    }
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    L<S> inserts = find_insert_statements((S) in);
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    print(inserts.size() + " inserts");
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    for (S insert : inserts) {
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      String table = get_table_name_from_insert_statement(insert);
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      print("Getting values");
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      List data = parse_mysql_values(insert);
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      print("Got values (" + data.size() + " rows)");
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      addData(table, data);
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      totalRows += data.size();
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    }
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    print("Tables: " + structure(tables.keySet()));
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    print("Fields: " + structure(tableFields));
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    print("Total rows imported: " + totalRows);
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  }
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  static S get_table_name_from_create_statement(S create) {
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    print(create);
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    // Java code taken from ?
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    O in = javaTok(create);
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    in = ((List) in).get(7);
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    return (S) in;
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  }
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  static S get_table_name_from_insert_statement(S insert) {
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    // Java code taken from #1000665
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    O in = javaTok(insert);
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    in = ((List) in).get(7);
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    return (S) in;
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  }
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  static S find_field_names(String create) {
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    return (S) process("#1000648", create);
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  }
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  static L<S> find_create_statements(String mysqlDump) {
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    //return (L<S>) process("#1000642", mysqlDump, "markedStrings");
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    return find_statements(mysqlDump, "create");
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  }
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  static L<S> find_insert_statements(String mysqlDump) {
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    //return (L<S>) process("#1000650", mysqlDump, "markedStrings");
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    return find_statements(mysqlDump, "insert");
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  }
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  static L<S> find_statements(String mysqlDump, String cmd) {
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    new L<S> l;
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    L<S> tok = mysqlTok(mysqlDump);
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    int c = 0;
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    for (int i = 1; i < tok.size(); i += 2) {
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      S t = tok.get(i);
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      if (t.equalsIgnoreCase(cmd)) {
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        print("create at " + i);
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        c = i;
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      }
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      if (t.equals(";")) {
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        //print("; at " + i);
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        if (c != 0) {
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          l.add(JavaTok.join(tok.subList(c, i+1)));
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          c = 0;
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        }
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      }
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    }
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    return l;
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  }
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  static L parse_mysql_values(S insert) {
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    // It prints all the data if we don't silence it...
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    return (L) processSilent(x1000656, insert);
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  }
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  static void addData(S table, List data) {
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    List t = tables.get(table);
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    if (t == null)
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      tables.put(table, t = new List);
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    t.addAll(data);
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  }
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}

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Snippet ID: #1000660
Snippet name: MySQL dump importer
Eternal ID of this version: #1000660/1
Text MD5: e953e86e2dea571509c3639ccfebb4ef
Transpilation MD5: bc4ecea791522991e996e803048d7ddd
Author: stefan
Category:
Type: JavaX source code
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2015-09-15 18:16:18
Source code size: 3147 bytes / 114 lines
Pitched / IR pitched: No / Yes
Views / Downloads: 852 / 1713
Referenced in: [show references]