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keywords.js
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keywords.js
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var gramophone = require('gramophone');
var async = require('async');
var hansard = require('./lib/hansard');
var db = require('./lib/db');
var options = {from: 'html', to: 'keywords', html: true, score: true, stem: true, min: 1};
var offset = 0;
var batch = 1000;
var total;
var sql = "select count(id) from hansards where major is null and minor is null limit 30";
db.query(sql, function(err, result){
total = result.rows[0].count;
async.whilst(
function(){ return offset < total; },
function(cb){
var sql = "select * from hansards where major is null and minor is null order by date limit $2 offset $1";
db.query(sql, [offset, batch], function(err, result){
async.forEach(result.rows, function(row, done){
hansard.extractKeywords(row.id, row.html, row.date, done);
}, function(err){
offset += batch;
console.error('completed ' + offset);
cb(err);
});
});
}, function(err){
db.end();
console.error('ok');
}
);
});