equivalent to IS and IS NOT, respectively, for compatability with PostgreSQL
and hence standard SQL.
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of a RIGHT JOIN, detect that situation early and raise a parsing error.
This is a temporary measure that needs to be fixed.
FossilOrigin-Name: 6d5d6e0403241c99ab4a47d7b6eedcd8ebc615a8ca8d66d7e81171f901b170d7
Expr.w.iOfst field. This is done with the idea of providing offset
results for sqlite3_error_offset() for a more kinds of errors, though that
part is not yet implemented.
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2-argument SQL functions by the same name. Add new "->" and "->>" functions
to the JSON extension that are aliases for json_extract().
FossilOrigin-Name: c4e4e3a3fc5da0381ccb7930706e57d7831d87f9c63bafe49ae64117701e1cfe
allows the C compiler to optimize better, resulting in a slightly smaller
and faster executable.
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TABLE statement to cause the table to (1) allow only a few well-defined
datatypes, (2) rigidly enforce those types, (3) require NOT NULL on PK
columns, (4) always enforce foreign key constraint, and so forth? This
branch seeks to explore that question.
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invalid subquery from causing problems downstream. If an error is found
while analyzing a subquery expression, change the expression to TK_ERROR
so inhibit further processing on that expression.
dbsqlfuzz cf624b8c0484c66e0f552bf6475e3e3f2c22b24e.
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the schema out of an existing database file. Those keywords should never be
there. This change simply adds robustness in case a legacy or damaged database
is seen.
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SELECT. This prevents problems in recursive CTEs with multiple recursive
terms in which there is an ORDER BY or LIMIT clause on the last non-recursive
term.
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to add new kinds of Cte objects (ex: DML statements) and/or MATERIALIZED
keywords in the future. It brings trunk into closer alignment with the
experimental as-materialize branch.
FossilOrigin-Name: f03efe905d7b40fb25f9f78b874bb56c6d6ccacb60f86b3b199d430d5eade8d2
Actually making this work, though, will involve a lot more code which will
likely slow down processing for the common case where there is no
RETURNING clause. Furthermore, RETURNING seems to be of limited usefulness
and it is not standard SQL. So we abandon it here. These experimental
changes are parked in a branch as an historical reference. If circumstances
changes, we might take up the cause again some day.
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very last clause may omit the conflict target, but the conflict target may
now be omitted for the DO UPDATE resolution.
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file, so that the C-file can be stand-alone. (2) If the grammar begins with
a %include {...} directive on line one, make that directive the header for
the generated C file. (3) Enhance the lemon.html documentation.
FossilOrigin-Name: 84d54eb35716174195ee7e5ac846f47308e5dbb0056e8ff568daa133860bab74
-DSQLITE_UDL_CAPABLE_PARSER then it can be compiled with or without
the -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT option and it works either way.
FossilOrigin-Name: 1f96a29dd8654ee30d36982a8bcd3f17a4b9193d3879fdb38fa3f03eeeff3080
if C is a constant. If the RHS is a table column, the complications of
managing affinity and collations become too involved to mess with.
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reduce due to intervention of actions. Use this new capability to designate
the EXPLAIN rule as NEVER-REDUCES.
FossilOrigin-Name: 136cdefb2f7b582ff1771ac7f9e733dc24c357605526cbfb1834937697c8a922
drh