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  1. bcfe38b Avoid evaluating special vtab operators (e.g. MATCH) that are part of ON clauses attached to left joins from being evaluated too early. Possible fix for [forum:/forumpost/428ef7c468 | forum post 428ef7c468]. by dan · 7 days ago
  2. aa12f00 Adjustments to test/incrblob4.test so that it works on both Linux and Mac by drh · 11 days ago
  3. a12e92d Remove an ALWAYS() added by [960a8e6fc91f4] that turns out to be false by drh · 2 weeks ago
  4. c525e6e Make handling of LIMIT clauses in correlated sub-queries on virtual tables more efficient. by dan · 2 weeks ago
  5. 110055c Fix a corner-case for [9441fff52cc4e19c]. by drh · 5 weeks ago
  6. 86d9c2d Fix an issue going back to version 3.39.0 with transitive IS constraints by drh · 5 weeks ago
  7. d3a13f7 Improved debugging output for the transitive constraint optimization. by drh · 5 weeks ago
  8. 454a426 Remove an ALWAYS() added by [2567298f4b0fdfeb] because dbsqlfuzz found a way by drh · 6 months ago
  9. 276d213 Tweaks to [4b4f33d791fe4318] to make it easier to test. by drh · 6 months ago
  10. f6ca35d Fix a problem with LIKE and GLOB processing in utf-16be databases in cases where the utf-8 encoding of a character ends with the byte 0xBF. by dan · 6 months ago
  11. 4b0a2e0 Improved handling of unicode characters in the LIKE optimization. by drh · 9 months ago
  12. ce527f2 Fix handling of U+fffd in the LIKE optimization. by drh · 10 months ago
  13. 5648d71 Refactor the SrcItem object to move fields associated with subqueries out by drh · 11 months ago
  14. 781163a When the database encoding is UTF-16LE and the GLOB optimization is used, by drh · 11 months ago
  15. 6ad4e9f Fix for the UTF-16LE problem reporte by by drh · 11 months ago
  16. 1521ca4 Refactor the SrcItem object so that information about subqueries is stored by drh · 11 months ago
  17. b204b6a Give unique names to fields in the SrcItem object, to facilitate analysis of by drh · 11 months ago
  18. 4703b7d Better optimize queries that use parameters in the LIMIT clause. by drh · 1 year, 1 month ago
  19. fd6beda Adjust the parser so that the value of TK_ISNOT is similar to the value of by drh · 1 year, 1 month ago
  20. 48f5e52 Small performance optimization in the operatorMask routine of the WHERE by drh · 1 year, 1 month ago
  21. b458cbb Small performance optimization in the allowedOp() routine of the WHERE by drh · 1 year, 1 month ago
  22. 4c3ab54 Allow virtual table implementations to handle OFFSET but not LIMIT, but not LIMIT but not OFFSET. by dan · 1 year, 3 months ago vtab-limit-fix
  23. 3afd5b6 Fix a problem allowing a LIMIT constraint to be passed to a virtual table in cases where there exist WHERE terms that cannot also be passed. by dan · 1 year, 3 months ago
  24. 99ac232 Fix handling of LIMIT and OFFSET in virtual tables that are part of by drh · 1 year, 3 months ago
  25. f696591 Enhance the sqlite3ExprIsConstant() function so that it recognizes by drh · 1 year, 4 months ago
  26. 5fb718a Do not allow the query planner to be tricked into thinking that an index on a by drh · 1 year, 4 months ago
  27. 56a4107 Address various harmless compiler warnings from by drh · 2 years, 1 month ago
  28. bc91738 Add a C-source spell-checking facility. make misspell (on Nix) by larrybr · 2 years, 1 month ago
  29. c1e40a3 Fix a bug in cursor hints that can cause references to tables that have not by drh · 2 years, 3 months ago
  30. baef844 Further to [46639f682975dac6], the parameters of a table valued function that by drh · 2 years, 5 months ago
  31. d7ddec7 When a table-valued function appears as the right table of a RIGHT JOIN, by drh · 2 years, 5 months ago
  32. b4dc263 Do not allow WHERE clause terms to match constant string index terms, which by drh · 2 years, 5 months ago
  33. 0c69938 Allow vector-IN expressions like "(a, b) IN ( (?,?), (?,?) )" to use an index. by dan · 2 years, 5 months ago
  34. 9e463e8 In the LIKE optimization, do not analyze the new virtual WHERE clause terms by drh · 2 years, 5 months ago
  35. 80e936a Do a better job of detecting when a WHERE clause term might be useful to by drh · 2 years, 5 months ago
  36. 52c08ee Ensure that LIMIT clauses may be passed through to virtual table implementations even if the WHERE clause uses operators that may only be optimized by virtual, not built-in, tables (!=, functions, MATCH etc.). by dan · 2 years, 7 months ago
  37. fb64359 More frequently send the complete SELECT statement into sqlite3WhereBegin() by drh · 2 years, 9 months ago
  38. f55a7da This branch attempts to improve the detection of covering indexes. This by drh · 2 years, 9 months ago
  39. 63b3a64 The generalized indexed expression optimization of [2435112867fbd7b6] makes by drh · 2 years, 9 months ago
  40. 4bc1cc1 This experimental branch attempts to use columns for an index-on-expression by drh · 2 years, 9 months ago
  41. cf5cab0 More comment fixes. No changes to code. by drh · 3 years, 1 month ago
  42. 4af6462 Add an ALWAYS() macro to an always-true branch. by drh · 3 years, 1 month ago
  43. d748040 Do not allow an ON clause to references tables to its right if there is a by drh · 3 years, 1 month ago
  44. bf15436 Avoid a direct use of abort() in debug builds to prevent a compilation issue for Windows CE. by mistachkin · 3 years, 2 months ago
  45. 0f4b534 Candidate fix for the problem with row-value WHERE clause constraints on by drh · 3 years, 2 months ago
  46. 6af03b4 When an ON clause on an INNER JOIN references a table to the right of by drh · 3 years, 2 months ago
  47. a6e8ee1 Redefine the acccess rules for the Expr.w union so that the Expr.w.iJoin by drh · 3 years, 2 months ago
  48. 67a99db Improved names for flags on the Expr object: EP_FromJoin becames by drh · 3 years, 2 months ago
  49. d88fd53 Organize the various flag bits of the ExprList_item object into a substructure by drh · 3 years, 3 months ago
  50. 3a6e4c5 Make a distinction between (1) WHERE clause constraints, (2) ON/USING by drh · 3 years, 3 months ago
  51. 189c065 Merge the Expr.w.iJoin name change from trunk into the right-join branch. by drh · 3 years, 3 months ago
  52. d198526 Rename the Expr.w.iRightJoinTable to just Expr.w.iJoin, so that the words by drh · 3 years, 3 months ago
  53. c187163 Merge the sqlite3WhereMalloc() routine from trunk into the right-join branch. by drh · 3 years, 3 months ago
  54. f8bdcfa The sqlite3WhereMalloc() routine allocates memory that is automatically by drh · 3 years, 3 months ago
  55. a76ac88 Preliminary code to support RIGHT JOIN. Everything seems to work, except that by drh · 3 years, 3 months ago
  56. d44f8b2 Improved technique for parsing the ON and USING clauses of a join is faster by drh · 3 years, 3 months ago
  57. 6e85b27 When create table/view fails due to name taken, say which took it. by larrybr · 3 years, 5 months ago
  58. 51896e6 The sqlite3_vtab_in() interface should return false for a vector IN constraint. by drh · 3 years, 5 months ago
  59. 796588a Record the position of many identifiers in the parse using the new by drh · 3 years, 5 months ago
  60. 02e3e04 For the MULTI-INDEX-OR optimization, when pushing down WHERE clause terms from by drh · 3 years, 6 months ago
  61. 9ede896 Fix a harmless code indentation issue. by drh · 3 years, 6 months ago
  62. ddd166a Remove a faulty NEVER(). Fix for dbsqlfuzz 4678cf825d27f87c9b8343720121e12cf944b71a by drh · 3 years, 6 months ago
  63. f6f7888 Add a NEVER() on an unreachable branch. by drh · 3 years, 6 months ago vtab-limit-offset
  64. cee5cb4 Include hidden columns of table valued functions that are constrained by drh · 3 years, 6 months ago
  65. 0ae56fb Enable SQLITE_INDEX_CONSTRAINT_LIMIT/OFFSET even if there are vector by drh · 3 years, 6 months ago
  66. 8f2c0b5 Query planner always honors the aConstraintUsage[].omit flag for the by drh · 3 years, 6 months ago
  67. 233ba1b Make LIMIT and OFFSET values available to sqlite3_vtab_rhs_value(). by drh · 3 years, 6 months ago
  68. 895bab3 Give the virtual table xBestIndex method access to (some) OFFSET and LIMIT by drh · 3 years, 6 months ago
  69. 8a95d3d Simplify the generation of the sqlite3_index_info object during query planning by drh · 3 years, 7 months ago
  70. 132f96f In the WhereClause object, do not assume that all TERM_VIRTUAL terms appear by drh · 3 years, 7 months ago
  71. 60a8e1b Fix exprAnalyze() after recent performance enhancements so that it is able by drh · 3 years, 8 months ago
  72. 11e4fdb Fix unreachable branches resulting from prior optimizations. by drh · 3 years, 8 months ago
  73. 65a3c85 Optimizations to exprAnalyze() and sqlite3WhereExprUsage() save about 1.5 by drh · 3 years, 8 months ago
  74. cbb7746 Remove an unnecessary branch from exprAnalyze(), resulting in a small by drh · 3 years, 8 months ago
  75. cdd9050 Small performance optimization in sqlite3WhereClauseClear(). by drh · 3 years, 8 months ago
  76. 220f0d6 Protect the WhereTerm.u union using nearby assert()s and/or branches. by drh · 3 years, 9 months ago
  77. 477572b Protect access to the Expr.y union using nearby assert()s and branches. by drh · 3 years, 10 months ago
  78. a4eeccd Protect all accesses to the Expr.x union using nearby assert()s and branches. by drh · 3 years, 10 months ago
  79. f975107 Protect all accesses to the FuncDef.u and Expr.u unions using nearby by drh · 3 years, 10 months ago
  80. eb61630 Fix a potential NULL pointer deference in the LIKE optimization. The by drh · 3 years, 11 months ago
  81. 348e002 One of the optimizations of check-in [de9c86c9e4cdb34f] does not work for by drh · 4 years ago
  82. 10f0827 Ensure that TK_SELECT_COLUMN Expr nodes always have their iTable field set to by drh · 4 years, 1 month ago
  83. 6a9595a Avoid adding superfluous virtual WHERE clause terms that might arise due by drh · 4 years, 2 months ago
  84. 11c8789 Fix an over-length source code comment in whereexpr.c. No logic changes. by drh · 4 years, 2 months ago
  85. 433a3e9 Back out the EXISTS-to-IN optimization. It slows things down rather than by drh · 4 years, 3 months ago
  86. 677e62a Fix a problem with handling expressions like "(col IS NULL AND <expr1>) OR col == NULL" in WHERE clauses. by dan · 4 years, 3 months ago
  87. 28a314e Do not do the EXISTS-to-IN transformation if the sub-select has LIMIT clause. by dan · 4 years, 4 months ago
  88. 2d7a691 Add #ifndef macros so that the build works again with by drh · 4 years, 5 months ago
  89. 15de3ce Fix a segfault that could occur when optimizing a NOT NULL constraint against an IPK column of a sub-query. by dan · 4 years, 5 months ago
  90. 8ddf686 Attempt to optimize "x IS NULL" and "x IS NOT NULL" expressions when x is a column with a NOT NULL constraint. by dan · 4 years, 5 months ago ifnull-opt
  91. 7601294 Rename the "struct SrcList_item" object to the more succinct "SrcItem". by drh · 4 years, 5 months ago
  92. 8729642 Fix harmless compiler warnings. by drh · 4 years, 5 months ago
  93. 71aff85 Performance optimizations in exprAnalyze() by drh · 4 years, 6 months ago
  94. 6cca0aa Always enable the IS NOT NULL optimization, even if STAT4 is not enabled. by drh · 4 years, 6 months ago
  95. 06afa29 More comments on the EXISTS-to-IN optimization logic. by drh · 4 years, 6 months ago exists-to-in
  96. 9fcc8c6 Minor simplification of the EXISTS-to-IN logic. by drh · 4 years, 6 months ago
  97. 9ffa258 Improved handling of vector equalities in the EXISTS-to-IN translator. by drh · 4 years, 6 months ago
  98. 4be8bdc Give the EXISTS-to-IN optimization the ability to handle some cases that by drh · 4 years, 6 months ago
  99. 2a3be74 Add debugging output about the EXISTS-to-IN optimization when by drh · 4 years, 6 months ago
  100. a828d56 Update header comments for routines added by this branch. by dan · 4 years, 6 months ago