First, your rows are NOT "all the same size". SQLite uses a compressed format
to store values that, among other things, uses less space for smaller integers.
IIRC your records will be (values before colon are the "manifest", values after
the colon are the "payload" of a record):
(value is 0) (va
No. The schema is required to correctly compile the statement, and if the
schema changes, then the statement needs to be recompiled.
IOW: The schema, in the version as it existed at prepare time, is an integral
part of the prepared statement.
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Von: sqlite-users
I noticed this, IS is not treated like = for optimization:
SQLITE> CREATE TABLE t(f INTEGER);
SQLITE> CREATE INDEX t_f ON t(f) WHERE f IS NOT NULL;
SQLITE> EXPLAIN QUERY PLAN SELECT * FROM t WHERE f = 1;
QUERY PLAN
`--SEARCH TABLE t USING COVERING INDEX t_f (f=?)
SQLITE> EXPLAIN QUERY PLAN SELECT
If SQLITE_DEBUG is not defined, rtree.c found at
https://www.sqlite.org/src/dir?ci=edb095a9a679c8c7&name=ext/rtree fails to
compile.
This is because bCorrupt is declared (at line 132) only if SQLITE_DEBUG is
defined, but is referenced unconditionally at line 980.
Line 980 currently is assert(
Have a fts5 table with 2 indexed columns. Where the idea is to match by
one col and sort using the other one. Something like :
"select id from fts where col1 match '50' order by price "
This is slow. 0.07 seconds. Removing the order by clause - 0.001 seconds.
How do I fix this ? I have a feelin
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