node-postgres/benchmark/prepared-statement-parsing.js

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2013-04-05 00:40:37 +08:00
var Client = require(__dirname + '/../lib/client');
var buffers = require(__dirname + '/../test/test-buffers');
require(__dirname + '/../test/unit/test-helper');
var stream = new MemoryStream();
stream.readyState = 'open';
var client = new Client({
stream: stream
});
var rowDescription = new buffers.rowDescription([{
name: 'id',
tableID: 1,
attributeNumber: 1,
dataTypeID: 23, //int4
typeModifer: 0,
formatCode: 0
},{
name: 'name',
tableID: 1,
attributeNumber: 2,
dataTypeID: 25, //text
typeModifer: 0,
formatCode: 0 //text format
}, {
name: 'comment',
tableID: 1,
attributeNumber: 3,
dataTypeID: 25, //text
typeModifer: 0,
formatCode: 0 //text format
}]);
var row1 = buffers.dataRow(['1', 'Brian', 'Something groovy']);
var row2 = buffers.dataRow(['2', 'Bob', 'Testint test']);
var row3 = buffers.dataRow(['3', 'The amazing power of the everlasting gobstopper', 'okay now']);
var parseCompleteBuffer = buffers.parseComplete();
var bindCompleteBuffer = buffers.bindComplete();
var portalSuspendedBuffer = buffers.portalSuspended();
var complete = buffers.commandComplete('SELECT 3');
var ready = buffers.readyForQuery();
var buffer = Buffer.concat([parseCompleteBuffer,
bindCompleteBuffer,
rowDescription,
row1,
row2,
row3,
portalSuspendedBuffer,
row1,
row2,
row3,
portalSuspendedBuffer,
row1,
row2,
row3,
portalSuspendedBuffer,
complete, ready]);
var bufferSlice = require('buffer-slice');
var buffers = bufferSlice(10, buffer);
client.connect(assert.calls(function() {
client.connection.emit('readyForQuery');
module.exports = function() {
return function(done) {
client.query('SELECT * FROM whatever WHERE this = "doesnt even matter"', ['whatever'], function(err, res) {
assert.equal(res.rows.length, 9);
done();
});
buffers.forEach(stream.emit.bind(stream, 'data'));
};
};
}));
client.connection.emit('readyForQuery');