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chromium / external / github.com / sqlite / sqlite / HEAD / src / window.c
  1. ce25007 Detect when a UNIQUE or PRIMARY KEY on a WITHOUT ROWID table would need by drh · 5 months ago
  2. 35d302c Increase the maximum number of arguments on an SQL function to 1000 with the by drh · 7 months ago
  3. c87d7be Fix a problem with window functions min() and max() when used with a FILTER clause. Forum post [forum:/forumpost/e9126d554a | e9126d554a]. by dan · 8 months ago
  4. 1521ca4 Refactor the SrcItem object so that information about subqueries is stored by drh · 11 months ago
  5. b204b6a Give unique names to fields in the SrcItem object, to facilitate analysis of by drh · 11 months ago
  6. 4703b7d Better optimize queries that use parameters in the LIMIT clause. by drh · 1 year, 1 month ago
  7. f696591 Enhance the sqlite3ExprIsConstant() function so that it recognizes by drh · 1 year, 4 months ago
  8. 194b8d5 Omit the new SQLITE_VALUE_SUBTYPE name. Stay with legacy SQLTIE_SUBTYPE. by drh · 1 year, 8 months ago
  9. 243f2ec Make a distinction between functions that consume subtypes and functions by drh · 1 year, 8 months ago
  10. 4e25464 Simplify the Expr compression logic slightly by adding the new EP_FullSize by drh · 1 year, 9 months ago
  11. 55be216 Fix straggler misspellings and tidy the custom dictionary. Also include pickups from [forum:/info/c61fb09afd|forum post c61fb09afd]. by larrybr · 2 years, 1 month ago spell-check
  12. bc91738 Add a C-source spell-checking facility. make misspell (on Nix) by larrybr · 2 years, 1 month ago
  13. 017bdf7 Fix a code-generator issue associated with very unusual use of window by drh · 2 years, 3 months ago
  14. 05a377f Do not assume that sub-queries that contain window functions are uncorrelated. by dan · 2 years, 6 months ago
  15. d2467a8 If OP_Rewind has P2 of zero, that is an assertion that the table is never by drh · 2 years, 6 months ago code-generator-20230111
  16. 5d7aef1 Rename the SELECTTRACE macro to TREETRACE, so that is corresponds to the new by drh · 2 years, 8 months ago
  17. 3b01dd0 Restore a VDBE coverage macro that is mistakenly deleted for by drh · 3 years ago
  18. 058e995 Small performance increase and size reduction by splitting out the by drh · 3 years ago
  19. 825fa17 Omit the EP_MemToken flag that was made obsolete by [e1f1cfe7f4387b60], for by drh · 3 years ago
  20. d88fd53 Organize the various flag bits of the ExprList_item object into a substructure by drh · 3 years, 3 months ago
  21. 41150bf Fix a problem with using multiple SQLITE_SUBTYPE function as window functions in a single query. by dan · 3 years, 3 months ago
  22. fde3043 Stronger defenses against corrupt schemas in the ALTER TABLE logic. by drh · 3 years, 4 months ago
  23. 5e121a5 Prevent a NULL-pointer dereference when trying to parse a illegal by drh · 3 years, 4 months ago
  24. 105dcaa Refactor Window.pFunc into Window.pWFunc to disambiguate from other uses of by drh · 3 years, 4 months ago
  25. 1da88b5 Add ALWAYS() macros. Change some existing ALWAYS() into assert(). Other by drh · 3 years, 6 months ago
  26. 6d64b4a Ensure that the window function rewrite does not leave the parse tree by drh · 3 years, 8 months ago
  27. a4eeccd Protect all accesses to the Expr.x union using nearby assert()s and branches. by drh · 3 years, 10 months ago
  28. f975107 Protect all accesses to the FuncDef.u and Expr.u unions using nearby by drh · 3 years, 10 months ago
  29. 1580d50 Add const to parameters on various internal interfaces. by drh · 3 years, 10 months ago
  30. 82456a6 Add assert() statements to refute by drh · 3 years, 10 months ago
  31. bb30123 Attempt to omit ORDER BY clauses from FROM-clause subqueries if those ORDER BY by drh · 4 years ago
  32. a261c02 Fix a problem handling ORDER BY terms of the form "ORDER BY likely(<integer>)" within window frames. by dan · 4 years, 1 month ago
  33. 14c4d42 Take care that the code is not generated for the same Select object more by drh · 4 years, 2 months ago
  34. 3d691fd Allow aggregate sub-selects within ORDER BY and PARTITION BY clauses of window frame definitions. by dan · 4 years, 2 months ago
  35. 4752bbd Detect misuse of aggregate functions in the ORDER BY clause of a query by drh · 4 years, 2 months ago
  36. 79f313f Adjust a VDBE coverage macros due to the enhancement at [506333742103c1f4]. by drh · 4 years, 3 months ago
  37. 113a33c Make window range queries more robust against corrupt database files. by drh · 4 years, 3 months ago
  38. 5a9fd23 Restructure a loop in window.c to avoid hitting an assert() following an OOM. dbsqlfuzz test case 6ef74a9659de87e9be3d8694ad062c448aa7ef1d. by dan · 4 years, 3 months ago
  39. d22ecfd Earlier detection of OOM errors during window function processing. by drh · 4 years, 4 months ago
  40. 4c4a257 Earlier detection and handling of OOM problems. by drh · 4 years, 4 months ago
  41. 6b6ec40 Do not allow floating point rounding errors to cause a window function xInverse() function to be invoked before the corresponding xStep() call. by dan · 4 years, 4 months ago
  42. 57f9018 Improved robustness to OOM conditions in the window function logic. by drh · 4 years, 4 months ago
  43. b03786a Ensure that negative numbers may not be used in frame offset clauses even if they are initially text value. e.g. (RANGE BETWEEN '-1' PRECEDING ...). by dan · 4 years, 4 months ago
  44. 7f8653a Ensure the correct collation sequence is used for comparisons when delimiting a RANGE window. by dan · 4 years, 5 months ago
  45. 903fdd4 Allow WHERE terms to be pushed down into sub-queries that contain window functions, provided that the WHERE term is made up of entirely of constants and copies of expressions found in the PARTITION BY clauses of all window functions in the sub-query. by dan · 4 years, 5 months ago
  46. 08b9208 Fix harmless compiler warnings that surface in newer versions of GCC. by drh · 5 years ago
  47. 27da907 Fix a problem causing queries containing window functions to ignore collation sequences under some circumstances. by dan · 5 years ago
  48. 6af305d Remove unnecessary code from the window functions implementation. by drh · 5 years ago
  49. 067b92b Extend the refactoring into extensions. Clean up stray newlines. by drh · 5 years ago
  50. 9216de8 Provide the ability to use the SELECTTRACE() debugging macro outside of the by drh · 5 years ago
  51. 8963662 Alternative fix to ticket [c8d3b9f0a750a529]: Prior to deleting or modifying by drh · 5 years ago
  52. c37577b When rewriting a query for window functions, if the rewrite changes the by drh · 5 years ago
  53. efa7888 Fix a problem handling constant integer expressions with collation sequences in PARTITION BY clauses. by dan · 5 years ago
  54. 553948e Fix handling of window functions in aggregate queries that have no GROUP BY clause. Also remove a faulty assert causing the error reported in [618156e3]. by dan · 5 years ago
  55. 0a21ea9 Fix a problem with window functions occuring within sub-selects that are part of an OR term in a WHERE clause of the outer SELECT. by dan · 5 years ago
  56. fbb6e9f Fix an assert() in window.c that could fail with some obscure SELECT statements that use window functions. by dan · 6 years ago
  57. 4ea562e Ensure that when code for a scalar SELECT featuring window functions is generated more than once by the planner, separate ephemeral tables are opened for each instance. by dan · 6 years ago
  58. 4317043 Fix a problem with window functions in aggregate queries that do not have GROUP BY clauses. by dan · 6 years ago
  59. d8d2fb9 Do not mistake constant integers in a PARTITION BY expression for references to ORDER BY style references to values returned by the SELECT statement. by dan · 6 years ago
  60. a9ebfe2 When the sqlite3WindowRewrite() routine detects and error, have it convert by drh · 6 years ago
  61. 8654186 When an error occurs while rewriting the parser tree for window functions by drh · 6 years ago
  62. 75e95e1 When processing constant integer values in ORDER BY clauses of window by drh · 6 years ago
  63. a2f142d Abort the window function tree rewrite early following an OOM. by drh · 6 years ago
  64. 62be2dc Avoid evaluating PARTITION BY or ORDER BY expressions multiple times for window function queries that use multiple window functions with the same window-definition. by dan · 6 years ago
  65. 47bcc34 Fix a potential NULL pointer dereference on a RENAME TABLE that references by drh · 6 years ago
  66. ba01634 Ensure that the same subquery does not go through the window-function rewrite by drh · 6 years ago
  67. b19131a Add a missing VdbeCoverage() macro. by drh · 6 years ago
  68. 2829df0 Remove an unused variable. by drh · 6 years ago
  69. e7579a5 Further simplifications to window-function code. by dan · 6 years ago
  70. c5b35ae Simplifications to the window-function code. by drh · 6 years ago
  71. 37d296a Bug fixes for window frames of the form (... RANGE BETWEEN b PRECEDING AND a PRECEDING) or (... RANGE a FOLLOWING AND b FOLLOWING) where (a > b). by dan · 6 years ago
  72. 5776ee5 Omit the sqlite3IntTokens array constant for a code simplification. by drh · 6 years ago
  73. b42eb35 Fix a problem with processing CTEs that use a WINDOW clause. by dan · 6 years ago
  74. 51a75aa Fix a problem with using json1 window functions with an EXCLUDE clause. by dan · 6 years ago
  75. 01a3b6b Change the meaning of the SQLITE_SUBTYPE flag so that it indicates that the user-defined function cares about the subtypes of its arguments. by dan · 6 years ago window-functions-subtype-fix2
  76. e2ba6df Add the SQLITE_SUBTYPE flag, which can be passed to sqlite3_create_function() and similar to indicate to the core that a user function is likely to use sqlite3_result_subtype(). by dan · 6 years ago
  77. 1a97c41 Fix handling of NULL, text and blob values in window queries that use "RANGE BETWEEN A FOLLOWING AND B FOLLOWING", or "B PRECEDING AND A PRECEDING", where A>B. by dan · 6 years ago
  78. 9889ede Add test case to window8.test. Also fix an error in a comment in window.c. by dan · 6 years ago
  79. db3a32e Back out the change at [47cd634c98b502d4] which was incorrect. Add a test by drh · 6 years ago
  80. 1cac176 Add further comments to window.c. by dan · 6 years ago
  81. 8b47f52 Fix a bug in RANGE window functions that use "ORDER BY <expr> DESC NULLS FIRST" as the window-frame ORDER BY clause. by dan · 6 years ago
  82. f76ccb7 Remove an unreachable branch in the NULLS LAST logic of RANGE window functions. by drh · 6 years ago
  83. f236b21 Add missing VdbeCoverage() macros to new code. by dan · 6 years ago
  84. ae8e45c Fix problems with window frames that use ORDER BY ... NULLS LAST etc. by dan · 6 years ago
  85. 5b32bdf Merge trunk changes into this branch. by dan · 6 years ago
  86. a3fcc00 Ensure that SQLite does not attempt to process incompatible window functions in a single scan. Fix for [256741a1]. by dan · 6 years ago
  87. 6e11892 Experimental implementation of NULLS FIRST/LAST. This branch still has problems - the most significant of which is that ORDER BY clauses with a non-default NULLS FIRST/LAST qualifier can never use an index. by dan · 6 years ago
  88. 0e3c50c Eliminate some more cases of redundant sorting in window-function queries. by dan · 6 years ago
  89. 96fb16e Use 0x40 (ASCII '@') instead of 0x00 to mean "no affinity" so that columns by drh · 6 years ago
  90. 2046a77 Fix the patch on this branch so that it works with sub-queries, as well as views. by dan · 6 years ago
  91. 81506b8 One of two options on how to address ticket [61c853857f40da49]. In this by drh · 6 years ago
  92. e209457 Consolidate the removal of Window objects from the Select.pWin list into by drh · 6 years ago
  93. 75b0821 Remove Window objects from the corresponding Select.pWin list when they are deleted. by dan · 6 years ago winfunc-in-orderby
  94. b555b08 Fix a new problem in the BETWEEN operator when applied to a window function. by drh · 6 years ago
  95. 55f66b3 Add new assert() statements in an attempt to help static analyzers avoid by drh · 6 years ago
  96. 4f9adee Rework the FILTER clause implementation to share more code with window functions. by dan · 6 years ago filter-clause
  97. 648d629 Merge latest trunk changes into this branch. by dan · 6 years ago
  98. 62742fd Ensure collation sequences and affinities work in window function queries. Fix for [9ece23d2]. by dan · 6 years ago
  99. 6ba7ab0 Experimental implementation of FILTER clause for aggregate functions. by dan · 6 years ago
  100. 08f6de7 Treat integer values in window definition ORDER BY clauses as constants, not as references to another expression. by dan · 6 years ago