queryFrom method
Adds a 'FROM' clause to the SQL query.
The table parameter is optional and defaults to an empty string. It should contain the name of the table for the 'FROM' clause.
This method adds a 'FROM' clause to the _select list and then returns the SqlBuilder instance for method chaining.
Usage:
var builder = SqlBuilder();
builder.queryFrom(table: 'tableName');
Implementation
SqlBuilder queryFrom({String table = ''}) {
_select.add('FROM $table ');
return this;
}