Minor simplification to ALTER TABLE logic.

FossilOrigin-Name: 01beb0365c529481605f1864b1b6760e2484fad08d56a72e00e34acff37e23f8

Fix another problem with ALTER TABLE and UPDATE...FROM in triggers.

FossilOrigin-Name: 33cf12235e6469ba17cfb72cef0e480dfd0dea81ed412fb1fb24b05dbeb8dc02

Fix further issues with ALTER TABLE and triggers that contain UPDATE..FROM statements.

FossilOrigin-Name: 53fbc269ddbabc4a97d297e881e5f9cd2bfbcd24af4af1b7cf9db412a3a51813

Omit an unnecessary branch.

FossilOrigin-Name: f56473f9cc1b476b3219fe5b70ba2e4b269b20c880b99ba34c744ed893042081

Fix issues with ALTER TABLE and triggers containing "UPDATE...FROM" statements.

FossilOrigin-Name: 2fba0d41b781d226915fa2bf888a7bc640c046ce22670ceb53f62a09f3975259

Organize the various flag bits of the ExprList_item object into a substructure
so that the whole lot can be copied all at once. Faster and smaller code.

FossilOrigin-Name: 5341d4bbe9a943f9cdbbdea82

Organize the various flag bits of the ExprList_item object into a substructure
so that the whole lot can be copied all at once. Faster and smaller code.

FossilOrigin-Name: 5341d4bbe9a943f9cdbbdea829e18f108e98972ebb706396c50fc62fcc6a6328

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Improved technique for parsing the ON and USING clauses of a join is faster
and uses less memory.

FossilOrigin-Name: 158156a3e3d50042cafc75dea3aaaa68b1f2efb9c3d178518ea6e68e32e0d21c

Stronger defenses against corrupt schemas in the ALTER TABLE logic.

FossilOrigin-Name: 13fbde28173332522a7ad307c1aad2b83c9aa1fe737583afa2b29f6da4de6370

Provide sqlite3_error_offset() data for some new errors.

FossilOrigin-Name: 1269206db810460e55a52e178ba3332add42a11f66c5f292f8f0d29ccd61a4b8

With the new ALTER TABLE under PRAGMA writable_schema=ON processing, do not
ignore non-parser errors such as OOMs.

FossilOrigin-Name: 36653ccef68cf61b6001000a713b06e951cb6fddced6b6a906c3b17d70a8af87

Fix a NULL pointer dereference that can occur after OOM. Problem
introduced by check-in [197cbabf1767d060].

FossilOrigin-Name: d4e6b9f0f7567b76760a667a701bca4d6158ade39f9a69d205b583c5a1c0c7f4

One more case of disabling errors for ALTER TABLE RENAME when
writable_schema=ON.

FossilOrigin-Name: c52d0dd8f4f8fab4c3f33cbd26b4012569e76562282e85654018c836dca7b564

Allow ALTER TABLE RENAME COLUMN to proceed even if there are errors in
the schema, as long as PRAGMA writable_schema=ON is active.

FossilOrigin-Name: 197cbabf1767d0603928462fb75cf8100f6999f725e0db60

Allow ALTER TABLE RENAME COLUMN to proceed even if there are errors in
the schema, as long as PRAGMA writable_schema=ON is active.

FossilOrigin-Name: 197cbabf1767d0603928462fb75cf8100f6999f725e0db60d096c7ca20e3da28

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Remove many redundant checks for sqlite3.mallocFailed now that any OOM should
cause Parse.nErr to be non-zero.

FossilOrigin-Name: 1f7fa46126ea33ed30e93186aff3df51068aeb4be6f79a102bfe8c4e44941d71

Make it so that any Parse object is always linked into the database conenction
while it is active. Hence, an OOM will cause Parse.nErr to be set.

FossilOrigin-Name: 6a45d8fe8bfbc11a5b86d25237e1f8bc

Make it so that any Parse object is always linked into the database conenction
while it is active. Hence, an OOM will cause Parse.nErr to be set.

FossilOrigin-Name: 6a45d8fe8bfbc11a5b86d25237e1f8bccfb0f22f3dcaf004ba797aeb57b365ec

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Fix ALTER TABLE DROP COLUMN so that it invokes the authorizer. Fix for
[forum:/forumpost/fd82b85947541dec|forum post fd82b85947541dec].

FossilOrigin-Name: aca6c61d79215519fb006af19d9011029df68f195a4

Fix ALTER TABLE DROP COLUMN so that it invokes the authorizer. Fix for
[forum:/forumpost/fd82b85947541dec|forum post fd82b85947541dec].

FossilOrigin-Name: aca6c61d79215519fb006af19d9011029df68f195a4ce65aff7a1bf4e36efb94

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Fix ALTER TABLE so that it works even when compiled using -DSQLITE_DQS=0.
[forum:/forumpost/3c1a00b66fca81fe|Forum post 3c1a00b66fca81fe].

FossilOrigin-Name: 092ad64faa4ae93b1e09ccd52159621d619e6817

Fix ALTER TABLE so that it works even when compiled using -DSQLITE_DQS=0.
[forum:/forumpost/3c1a00b66fca81fe|Forum post 3c1a00b66fca81fe].

FossilOrigin-Name: 092ad64faa4ae93b1e09ccd52159621d619e6817bcb4573331e9053d97f731fd

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Simplify the sqlite3RunParser() routine by omitting the third parameter.
Results in a binary that is about 100 bytes smaller and 1.4M cycles faster.

FossilOrigin-Name: 6fb2a1bb0280d6e31291e3fd06bbcb

Simplify the sqlite3RunParser() routine by omitting the third parameter.
Results in a binary that is about 100 bytes smaller and 1.4M cycles faster.

FossilOrigin-Name: 6fb2a1bb0280d6e31291e3fd06bbcbbb28ef5fb27d3898e2327a50ac738ae1f3

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Show the preferred schema table names in the output of "PRAGMA table_list".

FossilOrigin-Name: 9147390d9885a37a62edc1058f313434627f1b59965c890877d2cb119e355c78

Improved the error message that results when a schema parse fails after
ALTER TABLE ADD COLUMN.

FossilOrigin-Name: b007a39dd3a46d13fe06f2a1eeb4e3fd4cad1a77892be6d175b31db1edd6f6a8

Ensure that ALTER TABLE RENAME recognizes OOM errors while parsing
dependent triggers and handles them appropriately.
dbsqlfuzz 53e245eee15d3f19639d773048aa955c30708785.

FossilOrigin-Name: 1d9004cd0

Ensure that ALTER TABLE RENAME recognizes OOM errors while parsing
dependent triggers and handles them appropriately.
dbsqlfuzz 53e245eee15d3f19639d773048aa955c30708785.

FossilOrigin-Name: 1d9004cd015073853ce0ca811a68ea5411733eedee993b97a38a42ba139d7590

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Remove an incorrect assert() added 4 days ago by check-in [9e2f06b84f994277].
Replace it with a testcase() macro.

FossilOrigin-Name: 03dff7196bb00f8e32f574f65745ceafb33ee3fdd169263121342859c362eca5

Remove a NEVER() macro in ALTER TABLE due to an
obscure case of a nested CTE inside an UPDATE within a
trigger. dbsqlfuzz e89174cbfad2d904f06b5e24df0a22510b6a1c1e

FossilOrigin-Name: 9e2f06b84f99427

Remove a NEVER() macro in ALTER TABLE due to an
obscure case of a nested CTE inside an UPDATE within a
trigger. dbsqlfuzz e89174cbfad2d904f06b5e24df0a22510b6a1c1e

FossilOrigin-Name: 9e2f06b84f9942772c30bed2ac71b3296c9adf9661dbf8916d56996253ee8d28

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Protect access to the Expr.y union using nearby assert()s and branches.

FossilOrigin-Name: 87e2f5eb436fc448427b0e24fb70f29688796b513b8c7b12f1a21540dae1e56d

Protect every access to the Table.u union using a nearby assert() or branch.

FossilOrigin-Name: 50e08338aed7ac0cee600098d2ecd4b3b7bfd31a597bb26773badf3d2e2582c8