85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
require(__dirname+'/test-helper');
|
|
//http://developer.postgresql.org/pgdocs/postgres/protocol-message-formats.html
|
|
|
|
var buffers = {};
|
|
buffers.readyForQuery = function() {
|
|
return new BufferList()
|
|
.add(Buffer('I'))
|
|
.join(true,'Z');
|
|
};
|
|
|
|
buffers.authenticationOk = function() {
|
|
return new BufferList()
|
|
.addInt32(0)
|
|
.join(true, 'R');
|
|
};
|
|
|
|
buffers.parameterStatus = function(name, value) {
|
|
return new BufferList()
|
|
.addCString(name)
|
|
.addCString(value)
|
|
.join(true, 'S');
|
|
};
|
|
|
|
buffers.backendKeyData = function(processID, secretKey) {
|
|
return new BufferList()
|
|
.addInt32(processID)
|
|
.addInt32(secretKey)
|
|
.join(true, 'K');
|
|
};
|
|
|
|
buffers.commandComplete = function(string) {
|
|
return new BufferList()
|
|
.addCString(string)
|
|
.join(true, 'C');
|
|
};
|
|
|
|
buffers.rowDescription = function(fields) {
|
|
fields = fields || [];
|
|
var buf = new BufferList();
|
|
buf.addInt16(fields.length);
|
|
fields.forEach(function(field) {
|
|
buf.addCString(field.name)
|
|
.addInt32(field.tableID || 0)
|
|
.addInt16(field.attributeNumber || 0)
|
|
.addInt32(field.dataTypeID || 0)
|
|
.addInt16(field.dataTypeSize || 0)
|
|
.addInt32(field.typeModifier || 0)
|
|
.addInt16(field.formatCode || 0)
|
|
});
|
|
return buf.join(true, 'T');
|
|
};
|
|
|
|
buffers.dataRow = function(columns) {
|
|
columns = columns || [];
|
|
var buf = new BufferList();
|
|
buf.addInt16(columns.length);
|
|
columns.forEach(function(col) {
|
|
if(col == null) {
|
|
buf.addInt32(-1);
|
|
} else {
|
|
var strBuf = new Buffer(col, 'utf8');
|
|
buf.addInt32(strBuf.length);
|
|
buf.add(strBuf);
|
|
}
|
|
});
|
|
return buf.join(true, 'D');
|
|
};
|
|
|
|
buffers.error = function(fields) {
|
|
fields = fields || [];
|
|
var buf = new BufferList();
|
|
fields.forEach(function(field) {
|
|
buf.addChar(field.type);
|
|
buf.addCString(field.value);
|
|
});
|
|
buf.add(Buffer([0]));//terminator
|
|
return buf.join(true, 'E');
|
|
};
|
|
|
|
buffers.parseComplete = function() {
|
|
return new BufferList().join(true, '1');
|
|
};
|
|
|
|
module.exports = buffers;
|