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empty-table-optimizations
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3 Commits

Author SHA1 Message Date
drh
38dfbdae8a Do not factor out constant functions into the initialization section at the 
end of the prepared statement, be cause if they throw an exception, it will
abort the statement even if the function is never called.  Better to put
constant functions in an OP_Once block.

FossilOrigin-Name: 97a18a5cd701848a9660385e31bffe2c397e3cfe57ccdb876f44d08c00d1d39a
 2020-03-11 17:58:27 +00:00
drh
4a8ee3dfe2 Allow the SQLITE_DETERMINISTIC flag to be ORed into the preferred text encoding 
of application-defined functions, to mark the function as deterministic.

FossilOrigin-Name: 5716fc2341ddd8cf64139e7168597f864da4e10b
 2013-12-14 13:44:22 +00:00
drh
d673cddad6 Do not reuse factored constants that might have had their encodings changed. 
FossilOrigin-Name: 487f20366ce77f0c90865d10d5aaedd95af98694
 2013-11-21 21:23:31 +00:00