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Improved handling of types in expressions:
- implicit conversions to string / int / number / TVL
- error reporting on conversion errors
- automatic conversion to numeric values for arithmetic operators
- try to use numeric comparison by default, fallback to string comparison
- functions do not need to explicitly care about NULL passed as an argument
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wonder-sk committed Aug 9, 2011
1 parent 98a1c23 commit e4ae11fdbe2f34796b4fc9b5d5af5e78b0d9116b
Showing with 209 additions and 139 deletions.
  1. +192 −137 src/core/qgsexpression.cpp
  2. +17 −2 tests/src/core/testqgsexpression.cpp

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