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authorMike Bayer <mike_mp@zzzcomputing.com>2007-01-06 20:32:47 +0000
committerMike Bayer <mike_mp@zzzcomputing.com>2007-01-06 20:32:47 +0000
commit1a5ba21076650f085b4583b0d9a862e611b69429 (patch)
tree92415ca7cd90da50b163eda775f4e8620842b1a1 /lib/sqlalchemy/databases/mssql.py
parent4add9d3a0d9b660c9a267827ad3dd4ceceb0bfb5 (diff)
downloadsqlalchemy-1a5ba21076650f085b4583b0d9a862e611b69429.tar.gz
- added a mutex to the mapper compilation step. ive been reluctant to add any kind
of threading anything to SA but this is one spot that its its really needed since mappers are typically "global", and while their state does not change during normal operation, the initial compilation step does modify internal state significantly, and this step usually occurs not at module-level initialization time (unless you call compile()) but at first-request time - added "compile_mappers()" function as a shortcut to compiling all mappers
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