#2 Added a new class with useful sql queries: merge after restriction_to_collection

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tanja wants to merge 8 commits from tanja/sql_queries_class into tanja/master

8 Commits

Author SHA1 Message Date
  tanja 8a4a4e3aff fixed a type in get_field_mapping in ParseMapping 5 years ago
  tanja 97e3e26d61 minor fix in schema dereferencing: solved the problem with ' in schemas 5 years ago
  tanja 2c07703595 added possibility to change source and target names in the get_field_mapping method in ParseMapping 5 years ago
  tanja 7f8ae4956f added SQLQueries class 5 years ago
  tanja 316f568a5c resolved conflicts: added deferenced schema 5 years ago
  tanja a975d9151b change in ParseJsonSchema 5 years ago
  tanja 62e0527dec fixed a typo 5 years ago
  tanja 2d8a0954db added restriction to a mongo collection to a constructor 5 years ago