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Overview
Comment: | Enhance the comment on the sqlite3_index_constraint.iColumn field to help bring attention to the fact that it can be negative for a rowid column. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
be35c1ae8eff7940de37725bdda3bbad |
User & Date: | drh 2016-02-02 02:05:07.812 |
Context
2016-02-02
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03:15 | Update the change log. (check-in: 430d0b230f user: drh tags: trunk) | |
02:05 | Enhance the comment on the sqlite3_index_constraint.iColumn field to help bring attention to the fact that it can be negative for a rowid column. (check-in: be35c1ae8e user: drh tags: trunk) | |
2016-01-26
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15:04 | Update the file format document to indicate that the number of rows in an index in sqlite_stat1 can be less than the number of table rows in the case of a partial index. (check-in: 42f14ae85f user: drh tags: trunk) | |
Changes
Changes to pages/vtab.in.
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578 579 580 581 582 583 584 | forms the reply. The [sqlite3_index_info] structure looks like this: <blockquote><pre> struct sqlite3_index_info { /* Inputs */ const int nConstraint; /* Number of entries in aConstraint */ const struct sqlite3_index_constraint { | | | 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 | forms the reply. The [sqlite3_index_info] structure looks like this: <blockquote><pre> struct sqlite3_index_info { /* Inputs */ const int nConstraint; /* Number of entries in aConstraint */ const struct sqlite3_index_constraint { int iColumn; /* Column constrained. -1 for ROWID */ unsigned char op; /* Constraint operator */ unsigned char usable; /* True if this constraint is usable */ int iTermOffset; /* Used internally - xBestIndex should ignore */ } *const aConstraint; /* Table of WHERE clause constraints */ const int nOrderBy; /* Number of terms in the ORDER BY clause */ const struct sqlite3_index_orderby { int iColumn; /* Column number */ |
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