Merge pull request #1147 from naitsirch/master

Extended the docs for mapping attributes precision and scale

docs/en/reference/annotations-reference.rst

@@ -99,10 +99,13 @@ Optional attributes:
    string values for you.
 
 -  **precision**: The precision for a decimal (exact numeric) column
-   (Applies only for decimal column)
+   (applies only for decimal column), which is the maximum number of
+   digits that are stored for the values.
 
--  **scale**: The scale for a decimal (exact numeric) column (Applies
-   only for decimal column)
+-  **scale**: The scale for a decimal (exact numeric) column (applies
+   only for decimal column), which represents the number of digits
+   to the right of the decimal point and must not be greater than
+   *precision*.
 
 -  **unique**: Boolean value to determine if the value of the column
    should be unique across all rows of the underlying entities table.

docs/en/reference/basic-mapping.rst

@@ -199,9 +199,12 @@ list:
 - ``nullable``: (optional, default FALSE) Whether the database
   column is nullable.
 - ``precision``: (optional, default 0) The precision for a decimal
-  (exact numeric) column. (Applies only if a decimal column is used.)
+  (exact numeric) column (applies only for decimal column),
+  which is the maximum number of digits that are stored for the values.
 - ``scale``: (optional, default 0) The scale for a decimal (exact
-  numeric) column. (Applies only if a decimal column is used.)
+  numeric) column (applies only for decimal column), which represents
+  the number of digits to the right of the decimal point and must
+  not be greater than *precision*.
 - ``columnDefinition``: (optional) Allows to define a custom
   DDL snippet that is used to create the column. Warning: This normally
   confuses the SchemaTool to always detect the column as changed.