cost of slightly larger parser tables. Add the ability to measure coverage
of the generated state machine when compiling with the -DYYCONVERGE option.
In SQLite, add the SQLITE_TESTCTRL_PARSER_COVERAGE test-control to query the
new parser coverage feature.
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it only checks for coverage of state/lookahead pairs that are valid syntax.
It turns out that some states are unreachable if the lookahead is not valid
syntax, because the states are only reachable through a shift following a
reduce, and the reduce does not happen if the lookahead is a syntax error.
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range check is needed on the lookahead table to verify that the next input
token is valid. This makes the lookahead table slightly larger (about 120
bytes) but helps the parser to run faster.
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so that reduce actions occur last. This means that the most common case
(reduce actions) can be recognized with a single comparison operation, thus
speeding up the main parser loop, slightly.
FossilOrigin-Name: 7bfe7a360261ac7227840db49487c2f0fe338a2f1b868fcaada1e04a8d2b8f7a
result of check-in [6b2ff26c25bb9da3] yesterday. This problem was
discovered by the OSSFuzz.
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fails because the named file exists but is not a valid shared library.
FossilOrigin-Name: 05fee1a21ea398f1e4d6f1cf361657eff25ed6cd8f85ab398262dcfd30da57e9
CREATE TABLE AS. This is a fix for ticket [3b4450072511e62] and a
continuation of check-in [ade7ddf1998190b2b63] that fixes cases of
ticket [de3403bf5ae5f72ed6] that were missed previously.
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a SELECT statement. This helps with debugging for tickets like
[de3403bf5ae5f72e] and [3b4450072511e621].
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pointer to the sqlite3_index_info object passed into xBestIndex rather than
an sqlite3 connection pointer, which the xBestIndex method might not have
access to.
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shell. Implemented using the new SQLITE_DBCONFIG_TRIGGER_EQP control.
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(which we can do without breaking compatibility because the former name has
not yet appeared in an official release) and streamline its implementation.
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to determine the collation sequence that SQLite will use for a comparison. And
the SQLITE_DBCONFIG_FULL_EQP configuration option, which enhances the output
of "EXPLAIN QUERY PLAN" so that it includes statements run by triggers. And
the code for the sqlite3_expert extension and command line application.
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The error message submitted to sqlite3_log() is still correct this way.
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made to write on a database file that is in a read-only directory and hence
the journal file could not be created. This situation formerly returned
SQLITE_CANTOPEN, which less helpful.
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and "LsmPgno". This allows the LSM code to be compiled as a single unit with
sqlite3.c.
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drh