Disable the ability to change the schema_version cookie when
SQLITE_DBCONFIG_DEFENSIVE mode is enabled. This is a security
enhancement inspired by the question in
[forum:/forumpost/2b9cc3dae1f1e5f6|

Disable the ability to change the schema_version cookie when
SQLITE_DBCONFIG_DEFENSIVE mode is enabled. This is a security
enhancement inspired by the question in
[forum:/forumpost/2b9cc3dae1f1e5f6|forum post 2b9cc3dae1f1e5f6].

FossilOrigin-Name: 1d81381e8f5db5d7064cc313b8544ca3cb1ca9e8cd61e71368a2d2e598befc9c

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Proposed optimization to the IS NULL and NOT NULL operators that avoids
loading the entire content of larges strings and BLOBs. Response to
[forum:/info/3c08d4715dc05b00|forum post 3c08d4715dc05b00]

Proposed optimization to the IS NULL and NOT NULL operators that avoids
loading the entire content of larges strings and BLOBs. Response to
[forum:/info/3c08d4715dc05b00|forum post 3c08d4715dc05b00].

FossilOrigin-Name: 45f171565442f9fd6574fb93ae7abe83c168b20be68af42531bc55571450d3ab

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Code clean-up for the integrity_check enhancement.

FossilOrigin-Name: a140173102febe9ef8064ee9b95bee489db54caba149e577d69e4d75161bf390

Fix corner-case bugs in the new integrity_check logic. All tests pass now.

FossilOrigin-Name: dbab9d52a842085da67f5d0b8e96c665adc16331accf380b4c234e9b05bdb7fb

An attempt to enhance PRAGMA integrity check so that it does data type
checking on non-STRICT tables. Specifically: (1) Columns with TEXT affinity
should not contain numeric values, and (2) columns

An attempt to enhance PRAGMA integrity check so that it does data type
checking on non-STRICT tables. Specifically: (1) Columns with TEXT affinity
should not contain numeric values, and (2) columns with numeric affinity should
not contain text values that can be converted to numeric.

FossilOrigin-Name: 8b1e7f0524637728cebe81c7d3ff8ad8a5a55782eac6409b425dad538024f596

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Experimental changes to put sqlite3_temp_directory behind a mutex.

FossilOrigin-Name: 5ee3515fbb88bf1ae5f8b507844f82dcc429380b6ebeab9b09b52b25ee60a60d

Enhance the "PRAGMA integrity_check" statement so that it verifies the rows of
a WITHOUT ROWID table are in the correct order.

FossilOrigin-Name: 62f934bff495850d0763e07ffa44a557f066ecba9d039363f322

Enhance the "PRAGMA integrity_check" statement so that it verifies the rows of
a WITHOUT ROWID table are in the correct order.

FossilOrigin-Name: 62f934bff495850d0763e07ffa44a557f066ecba9d039363f32287213cba819f

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Minor code simplification in the code generator for PRAGMA integrity check.

FossilOrigin-Name: a3b9c7a6c9be5c78a93e5125f16237d2d84b977eca81f527af0198e96435a995

Small performance increase and size reduction by splitting out the
sqlite3VdbeGetLastOp() from sqlite3VdbeGetOp().

FossilOrigin-Name: 92ac01d41d46ab73e189b1e5596ea63e5edb5b15639c5d7bdb981b95366c069b

Use unpacked keys for OP_Found in foreign key processing.

FossilOrigin-Name: 328dc76657eb5317f0201859d2b3abe6918103b894f7beaed0aca3058a9f2b64

Avoid a harmless uninitialized variable warning in PRAGMA incremental_vacuum.

FossilOrigin-Name: 6d976f90dfe4886c3f4c062151af5c5ca7454d34b71172401b8c67acd2d663a0

Fix a harmless compiler warning.

FossilOrigin-Name: 6497997aa80419688890ed5dbbb7d6acc26bf3732305ff4a728cba1fe4d1626b

Invoking SQLITE_TESTCTRL_INTERNAL_FUNCTIONS causes the flags field of the
PRAGMA function_list to show all bits, including internal-use-only bits,
rather than just the bits that are part of the API.

Invoking SQLITE_TESTCTRL_INTERNAL_FUNCTIONS causes the flags field of the
PRAGMA function_list to show all bits, including internal-use-only bits,
rather than just the bits that are part of the API.

FossilOrigin-Name: ad1be34828726bfef0dbc0ce16090400cf3530e7b5077849af96774d7428387b

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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

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

FossilOrigin-Name: 9147390d9885a37a62edc1058f313434627f1b59965c890877d2cb119e355c78

Fix an issue in PRAGMA integrity_check associated reporting NULL values in
a NOT NULL column of type ANY in a STRICT table.

FossilOrigin-Name: 5dff1f66731ae35daf9633f8bb3ea942a7c29f4240e57bd2023ee7f

Fix an issue in PRAGMA integrity_check associated reporting NULL values in
a NOT NULL column of type ANY in a STRICT table.

FossilOrigin-Name: 5dff1f66731ae35daf9633f8bb3ea942a7c29f4240e57bd2023ee7fc116e7c92

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Fix the previous check-in so that it works with virtual tables that add new
shadow tables the first time they are referenced.

FossilOrigin-Name: f73b499e539b9551a70deecec4fc10c3a4af3830324977861cd05

Fix the previous check-in so that it works with virtual tables that add new
shadow tables the first time they are referenced.

FossilOrigin-Name: f73b499e539b9551a70deecec4fc10c3a4af3830324977861cd0558f9782a1d3

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Fix the new "table_list" pragma so that it shows the correct number of
columns for views and virtual tables even when the object has not been
previously used.

FossilOrigin-Name: fb0ed8c55f6362d26396

Fix the new "table_list" pragma so that it shows the correct number of
columns for views and virtual tables even when the object has not been
previously used.

FossilOrigin-Name: fb0ed8c55f6362d2639687392a72cc3ed9dc318929e11893edd2a0f023929f7e

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Update requirement marks. No changes to code.

FossilOrigin-Name: 3a6887a543ac348d1a0d4b7f54b13c9dae929c3fa3408c5a44420943ba8c116f

Use the IsOrdinaryTable() macro, not a test of tnum, to distinguish tables
from views and virtual tables.

FossilOrigin-Name: 6189b7809d774bf697d14e27a4bd961df5c318d261dce97db7801ce83f12c59a

Add support for "PRAGMA writable_schema=RESET".

FossilOrigin-Name: a51b305bd068f8d8e85b9fc38d61cdf5957f3a2ad2eb2e77015547910088e681

Fix an incorrect assert() on PRAGMA table_xinfo added by the previous check-in.

FossilOrigin-Name: f85cb287c52baa729aeb223038e979a3b74a1eb3d97bf59c01f5417998204f84

Protect all accesses to the FuncDef.u and Expr.u unions using nearby
assert()s or branches.

FossilOrigin-Name: 9af863f065e0bef491c2ab7525194505f9516f4e6dfc789d2e3a9d2c2438533a

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

FossilOrigin-Name: 50e08338aed7ac0cee600098d2ecd4b3b7bfd31a597bb26773badf3d2e2582c8

Add the "PRAGMA table_list" command with its corresponding eponymous
table-valued function: "pragma_table_list".

FossilOrigin-Name: 2c0e7ae541e9ecb86aa58fa7e7057def8aac1b1af1af1aa80b8bf2d260f9a2f9