f59b12fbc1
Optimizations to the SQL language grammar that result in a small size
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reduction and speed increase.
FossilOrigin-Name: cb5d1f83e0a33d546d4c0cb817ef1f8440d1f738
2014-01-11 03:54:05 +00:00
144ffe7bfb
Remove unused structure definition from parse.y.
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FossilOrigin-Name: 7f1e7ae313c7625ef2623d78883dce776eecca30
2014-01-10 20:51:16 +00:00
75593d96be
Allow a VALUES clause to be used any place that a SELECT statement can be
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used.
FossilOrigin-Name: c9ea7d199f06a7801ab639e7ac98ebeb98706f24
2014-01-10 20:46:55 +00:00
10f468f37a
Remove the obsolete TK_CONST_FUNC token type.
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FossilOrigin-Name: 9b4217f055e9bced186b4c56a5753bd6da7115b5
2013-11-21 14:44:38 +00:00
5969da4a2c
Simplification of the syntax: Merely append "WITHOUT rowid" to the end of
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the table definition.
FossilOrigin-Name: 131cc6e152abe1a2d48e6d8d40d2c2f8dbe723e7
2013-10-21 02:14:45 +00:00
81eba73ebf
Experimental changes toward "index only" tables. Add the ability to specify
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options on CREATE TABLE statements using the WITH clause modeled after
PostgreSQL and SQL Server. Only the "omit_rowid" option is currently
recognized and that option is currently a no-op.
FossilOrigin-Name: 0248ec5e6e3797575388f046d8c27f7445fe2a39
2013-10-19 23:31:56 +00:00
c5cd124900
Increase the number of bits available in Expr.flags. Other tweaks aimed at
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making expression processing more robust.
FossilOrigin-Name: 579a512538528cf4bb4381ba393c5d9e7310086b
2013-09-12 16:50:49 +00:00
d58d3278cb
Performance optimization: Avoid calling convertCompoundSelecctToSubquery()
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on queries that do not use the UNION, EXCEPT, or INTERSECT operators.
FossilOrigin-Name: c589b2fed7beabc2337d701094c22635914d9c23
2013-08-05 22:05:02 +00:00
8a9789b6c1
Test cases and bug fixes for the partial index logic.
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FossilOrigin-Name: 6b73ae7c123801787c8994113cbeb87ee96ba653
2013-08-01 03:36:59 +00:00
1fe0537e51
Here begins an experimental branch for exploring the idea of a partial index.
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This check-in is able to parse a WHERE clause on a CREATE INDEX statement, but
does not actually do anythingn with that WHERE clause yet.
FossilOrigin-Name: 6794b2dcb48b3507caccfc7867fc185818cf8291
2013-07-31 18:12:26 +00:00
f7b5496e8e
Many small harmless comment changes. Removal of obsolete comments and
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fixing misspelled words. No changes to code.
FossilOrigin-Name: a0d5cc9315dc6e9ef7dee4c3dfabf4e562d64376
2013-05-28 12:11:54 +00:00
3c449c6b6b
Make sure extra parentheses around subqueries in the FROM clause are harmless.
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Ticket [28c6e830f239ea5].
FossilOrigin-Name: 1c79569226db3d5a73e65a35877635ea8b478866
2013-04-30 14:06:57 +00:00
832ee3d4cc
Optimize the degenerate case of a FROM clause table name enclosed all by
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itself inside parentheses. Generate code as if the parentheses did not
exist, rather than the old behavior of manifesting the parenthesized table
into a transient table. Also, tag every FROM-clause SELECT subquery that is
generated by a parenthesized FROM-clause expression using the SF_NestedFrom
flag. The new SF_NestedFrom flag is not yet used for anything.
FossilOrigin-Name: 7fecced466d86a66b0b751c5b5608141e134fe2d
2012-12-18 19:36:11 +00:00
e924041846
Remove old commented-out code from parse.y. Fix some over-length source lines
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in parse.y. No logical changes.
FossilOrigin-Name: 7e30c021abe5a559918efaa5fc0b21db8ca782ad
2012-12-18 13:12:03 +00:00
0a8a406e9b
Some errors in veryquick resolved. Many more to go.
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FossilOrigin-Name: 972443b4eb282d45507da06c75e2cd46dd72326b
2012-12-07 18:38:16 +00:00
ab35eaed1f
Parser bug fix: Make sure the table constraints allowed by prior releases
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can still be parsed, even if they are technically not allowed by the
syntax diagram.
FossilOrigin-Name: e536ac041815b118c461ceee798f9b7283269f58
2012-05-12 18:29:53 +00:00
aeb281c2ea
Further changes to constraint parsing to support legacy syntax.
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FossilOrigin-Name: 38bf90af1ede6ee64ef7be66392e895e60c9126e
2012-05-08 11:17:33 +00:00
4dc330dd33
Adjust the parser so that certain legacy schema constructs (that are not
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valid according to the syntax diagram) continue to be accepted, so that
older databases that happen to use those constructs are still readable.
This fixes an issue introduced by check-in [1b75f301affac6]
FossilOrigin-Name: a1c014d8a87c8940b3a037d8d8cc4d5678809802
2012-05-07 19:21:36 +00:00
f68686ae52
When a named CHECK constraint fails, include the name of the constraint
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in the error message.
FossilOrigin-Name: 1b75f301affac654bee24fa247046ea0782d3c4d
2012-03-30 15:48:48 +00:00
f9df449809
Change the name of a local variable from "not" to "bNot" to lessen the
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chances of it colliding with some prior #define in the appliation.
FossilOrigin-Name: cbdd86387630600b309de4aaeaa131ec7b053ce2
2012-03-30 12:10:38 +00:00
2938f924cc
If a CHECK constraint is named, report that name on the error message when
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the constraint fails.
FossilOrigin-Name: 9a0f90d9deb335ac71044b8afa81538d85cc7ccf
2012-03-07 19:13:29 +00:00
76aad0d1df
Disable the ability to have multiple values in the VALUES clause of an
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INSERT statement when SQLITE_OMIT_COMPOUND_SELECT is used.
FossilOrigin-Name: 92131195d0c24c0116992db51ed5d8316626ba57
2012-02-10 17:38:58 +00:00
8395b7b6cb
Remove a couple of unnecessary nonterminals from the grammar.
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FossilOrigin-Name: 2b2a7d8d736d1e72f847f443b9957e41da6149c9
2012-01-28 19:44:22 +00:00
b421b894e0
Add support for IF NOT EXISTS on CREATE VIRTUAL TABLE.
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FossilOrigin-Name: 230983e86a897caa91a487ef2d4c1c7fb7c79f10
2012-01-28 19:41:53 +00:00
7b113bab79
Add support for multiple rows of VALUES in an INSERT statement.
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FossilOrigin-Name: eb3b6a0ceb8bfb9fd59ff5fec420f863a9b5c4e4
2012-01-28 15:22:22 +00:00
7e02e5e6b5
Begin adding the data-structure explaining subsystem. All is contained within
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FossilOrigin-Name: 79ae51c5b1b20ed0a425a87e65a32a096a80b7e1
2011-12-06 19:44:51 +00:00
d4e244ad56
Remove unused fields from the Parse object. Documentation and formatting
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improvements on data structure definitions.
FossilOrigin-Name: 431556cac0b2c86d7f6a60412ff1023feeaafedf
2011-11-29 15:40:32 +00:00
8342e49f62
Enhance the LIKE/GLOB query optimization so that it works as long as there
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is an index with the appropriate collating sequence and even if the default
collating sequence of the column is different.
Ticket [4711020446da7d93d99].
FossilOrigin-Name: 9f932655f9eb9fdab16d7deed98b7cad414e0ca6
2010-07-22 17:49:52 +00:00
1dca1458cc
Fix a parser bug that was causing the relative precedence of LIKE and <
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operators to be incorrect.
FossilOrigin-Name: 3e5975aa3bb9df9e1f954bcce99384e0f13cb453
2010-07-19 02:30:33 +00:00
473c1bf241
Change a comment inside a block of code in parse.y from C++ to C style.
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FossilOrigin-Name: dea7d33b2d7d25280a31a2b9c1573f4292b81187
2010-07-15 11:14:21 +00:00
094430eb71
Make the result of an IN or NOT IN expression with an empty set on the
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right-hand side always either false or true, respectively, even if the
left-hand side is NULL. Ticket [80e031a00f45dc]
FossilOrigin-Name: c288ac644d0bfda2b9bc204dc86df8e74d4f6843
2010-07-14 18:24:06 +00:00
c29c5aa1fd
Restore the incorrect legacy ON INSERT syntax to the parser as a no-op.
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That way, older databases that actually use this meaningless syntax will
still be readable.
FossilOrigin-Name: 54b955c36ba5c139a63c6031855305b764d3fa6c
2009-12-09 21:43:36 +00:00
5e17e8b7dd
Fix a couple of compiler warnings under MSVC.
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FossilOrigin-Name: e3aa0870fce0666bf8c67ad6ec23e135d03b604a
2009-12-03 04:40:47 +00:00
6a51741d46
Suppress excess OP_Null opcodes caused by binary IS or IS NOT operators
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that are converted into unary ISNULL or NOTNULL operators.
FossilOrigin-Name: cff1b36ab2c417611f59e96694005c03762788d2
2009-11-12 03:46:34 +00:00
c81c11f62c
Remove the obsolete "$Id:$" RCS identifier strings from the source code.
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FossilOrigin-Name: f6c045f649036958078cb15cd9d5453680c82b0c
2009-11-10 01:30:52 +00:00
fcf486c3b4
Add evidence marks to parse.y. Fix a broken evidence link in e_fkey.tcl.
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FossilOrigin-Name: 0441d28e84af20e3a98a07a43471784ac09c78db
2009-10-21 13:48:24 +00:00
8099ce6f4a
Add missing comments to fkey.c. Also, change the terminology used for comments and names in fkey.c from "referenced/referencing" to "parent/child". This is arguably less correct, but is easier to follow.
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FossilOrigin-Name: 540c2d18e14c277b55f95729fbafc04ca66466b2
2009-09-23 08:43:35 +00:00
6a2fe09387
Generalize the IS and IS NOT operators so that their right-hand side can be
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an arbitrary expression and not simple the constant NULL. They work like
= and <> except that NULL values compare equal to one another an unequal to
everything else.
FossilOrigin-Name: 98853f6104076c50ea92175e17a3254bfbbd4619
2009-09-23 02:29:36 +00:00
7ba5bc5bf2
Factor the UMINUS and UPLUS tokens out of the parser so that the parser
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tables can go back to using 8-bit values instead of 16-bit values.
FossilOrigin-Name: 3fc938c961fd7810594224b91a2d6e1ac9e48084
2009-09-22 20:08:34 +00:00
9c8abf2b14
The NO ACTION action really should be no-action and not RESTRICT.
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FossilOrigin-Name: 55b263fa2b2fed8c721154e3c48f4226be95065c
2009-09-22 19:53:41 +00:00
75cbd984f7
Fix compilation with OMIT_TRIGGER defined. Ticket [1ff6d29030e9757d052af0f394e56bea96b8b59b|1ff6d29030].
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FossilOrigin-Name: fb6ceed388f6d75bdc2ac2f43e5c98da74e2a448
2009-09-21 16:06:03 +00:00
1da40a381f
Check in implementation of foreign key constraints.
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FossilOrigin-Name: d5d399811876391642937edeb9e8434dd9e356f5
2009-09-19 17:00:31 +00:00
5eff7cf0c9
Removed some warnings from the MSVC compile. (CVS 6965)
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FossilOrigin-Name: ee034cfc71425745dda8d5fee58ae95f937c86cd
2009-08-10 03:57:58 +00:00
b1819a0b95
Make explicit the restrictions on UPDATE, DELETE, and INSERT statement syntax
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within triggers. Ticket #3947 . (CVS 6840)
FossilOrigin-Name: c8bf40df7be728b11bb633516d1988c6064a9d70
2009-07-03 15:37:27 +00:00
9b87d7b904
Do not ignore alias "a" in a query of the form "SELECT ... FROM (...) AS a" Fix for #3935 . Also expand upon (6751) to fix some similar obscure memory leaks. (CVS 6831)
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FossilOrigin-Name: 42f9d1e56483a59353bff57d75f09ed67e1d9c3c
2009-07-01 14:56:39 +00:00
8bfdf72136
Reorganize and cleanup the prepared statement object. Remove code that has
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been commented out for ages and is no longer relevant to anything. (CVS 6786)
FossilOrigin-Name: 37ae5f5e8feb34a8e6e8b34aa18df1e9a1ce55cb
2009-06-19 14:06:03 +00:00
8a415d3743
The lemon parser generator now inserts yytestcase() macros on reduce action
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and on each destructor, to verify that all have been executed. yytestcase()
is a no-op by default but can be set to something more useful inside
of %include. (CVS 6755)
FossilOrigin-Name: fe9c9177340a3dc372ffa1b851030d005e0c46db
2009-06-12 13:53:51 +00:00
994704d1cb
Enable the SQLITE_LIMIT_FUNCTION_ARG limiter. (CVS 6753)
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FossilOrigin-Name: a17e3317176772446abdc8ebe6fb6f0d3b7ac018
2009-06-12 12:04:16 +00:00
13d32d196e
An additional memory leak in the parser fixed. Ticket #3911 . (CVS 6751)
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FossilOrigin-Name: 6197b492714e16396941ae6ba61f90f708d54728
2009-06-12 03:47:36 +00:00
d3ec02d38e
Modifications to the parser to eliminate unreachable code. (CVS 6749)
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FossilOrigin-Name: 457e0b245b1833c0d297bc6f4ff9785e6a2cee02
2009-06-12 02:27:14 +00:00
drh