Switching to linux for development of pglab.

Switched from qmake to cmake. Code changes to make it compile.

pglab/sqlparser.cpp

@@ -0,0 +1,30 @@
+#include "sqlparser.h"
+
+/** Responsible for splitting the query into logical elements.
+ *
+ * It first uses common seperators to split the input, then it tries
+ * to determine if the fields it gets have a special meaning.
+ *
+ * However because SQL is very forgiving about the use of keywords
+ * as names.
+ *
+ * The lexical analyzer does however distinguish between
+ * - symbols/keywords (symbols might be schema, table, columns, functions etc)
+ * - numbers
+ * - strings
+ * - quoted symbol (a symbol between "" must be the name of something)
+ *
+ * seperators
+ *  whitespace
+ *  special chars ;,.
+ *  operators
+ */
+class LexicalAnalyser {
+public:
+
+};
+
+SqlParser::SqlParser()
+{
+
+}