made method getAllRecordsOfPage constant
implemented operator base and fullScann op. not test but will work of course as coded in c++ (git add src/operator111)
added factory methods to create VariableTypes. Value now supports add, subtract, multiply, division and equals operations for all VariableTypes except char (add op is broken). Added extensive tests for value operations
fixed relation schema test
added fucking factory functions for valus2
fixed perf leak
using values instead of unique ptr in operators
evaluate returns values
fixed bit bugs in value character
undeleted sql query
added comments and reactored variable type
fixed indemption in value
cleaned up varibale type ctors
moved common to query parser
added chain query optimizer
added ctor for AndOperator which takes 2 Expressions
implemented computeAnd for Value and added tests
PredicateGenerator now creates all predicates in a bulk operation and combines predicates referring to the exact same table set (changed call respectively)
new sql query
refactored query utilite classes into a separate folder and added columnresolver