E&S CVS Commit: PEAK - Got rid of weird data structure manipulations that were needed for

pje at eby-sarna.com pje at eby-sarna.com
Thu Nov 13 19:15:00 EST 2003

Module Name:	PEAK
Committed By:	pje
Date:		Fri Nov 14 00:14:49 UTC 2003

Modified Files:
	PEAK/src/peak/query: algebra.py interfaces.py
	PEAK/src/peak/query/tests: test_algebra.py

Log Message:
Got rid of weird data structure manipulations that were needed for
parameter support, by converting to stream-oriented SQL generation.  See
'ISQLWriter' and 'ISQLRenderable' for details.  Also, got rid of direct
calls to the 'sql*' methods and isolated them in 'SQLWriter', so that we
can create protocols for different backends that may need to generate
some SQL differently.

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To generate a diff of this commit:
cvs rdiff -r1.24 -r1.25 PEAK/src/peak/query/algebra.py
cvs rdiff -r1.15 -r1.16 PEAK/src/peak/query/interfaces.py
cvs rdiff -r1.23 -r1.24 PEAK/src/peak/query/tests/test_algebra.py

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