text: 
  // SQLite3: Column Builder & Compiler
  // -------
  var inherits = require('inherits');
  var SchemaCompiler   = require('../../../schema/compiler');
  
  import {some} from 'lodash'
  
  // Schema Compiler
  // -------
  
  function SchemaCompiler_SQLite3() {
    SchemaCompiler.apply(this, arguments);
  }
  inherits(SchemaCompiler_SQLite3, SchemaCompiler);
  
  // Compile the query to determine if a table exists.
  SchemaCompiler_SQLite3.prototype.hasTable = function(tableName) {
    this.pushQuery({
      sql: "select * from sqlite_master where type = 'table' and name = " + this.formatter.parameter(tableName),
      output: function(resp) {
        return resp.length > 0;
      }
    });
  };
  
  // Compile the query to determine if a column exists.
  SchemaCompiler_SQLite3.prototype.hasColumn = function(tableName, column) {
    this.pushQuery({
      sql: 'PRAGMA table_info(' + this.formatter.wrap(tableName) + ')',
      output: function(resp) {
        return some(resp, {name: column});
      }
    });
  };
  
  // Compile a rename table command.
  SchemaCompiler_SQLite3.prototype.renameTable = function(from, to) {
    this.pushQuery('alter table ' + this.formatter.wrap(from) + ' rename to ' + this.formatter.wrap(to));
  };
  
  module.exports = SchemaCompiler_SQLite3;
  