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Overview
Comment: | Clean up the definitions of the TERM_ constants in the code generator. Formatting only - no logic changes. |
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Timelines: | family | ancestors | descendants | both | trunk |
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SHA3-256: |
af06f80a590e20f64fa2f630e85fa728 |
User & Date: | drh 2020-01-16 11:51:09.331 |
Context
2020-01-16
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12:25 | Fix an SQL syntax error in the comment on the omit-left-join optimization. No changes to code. (check-in: 86b5e5a20e user: drh tags: trunk) | |
11:51 | Clean up the definitions of the TERM_ constants in the code generator. Formatting only - no logic changes. (check-in: af06f80a59 user: drh tags: trunk) | |
2020-01-15
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16:20 | Do not allow the "PRAGMA encoding" statement to change the database encoding if TEMP content exists, or content in any other attached database. Formerly, encoding changes were allowed if just the main database file was empty. Ticket [a08879a4a476eea9]. (check-in: 03b003c988 user: drh tags: trunk) | |
Changes
Changes to src/whereInt.h.
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270 271 272 273 274 275 276 | Bitmask prereqRight; /* Bitmask of tables used by pExpr->pRight */ Bitmask prereqAll; /* Bitmask of tables referenced by pExpr */ }; /* ** Allowed values of WhereTerm.wtFlags */ | | | | | | | | | | | | | | | 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 | Bitmask prereqRight; /* Bitmask of tables used by pExpr->pRight */ Bitmask prereqAll; /* Bitmask of tables referenced by pExpr */ }; /* ** Allowed values of WhereTerm.wtFlags */ #define TERM_DYNAMIC 0x0001 /* Need to call sqlite3ExprDelete(db, pExpr) */ #define TERM_VIRTUAL 0x0002 /* Added by the optimizer. Do not code */ #define TERM_CODED 0x0004 /* This term is already coded */ #define TERM_COPIED 0x0008 /* Has a child */ #define TERM_ORINFO 0x0010 /* Need to free the WhereTerm.u.pOrInfo object */ #define TERM_ANDINFO 0x0020 /* Need to free the WhereTerm.u.pAndInfo obj */ #define TERM_OR_OK 0x0040 /* Used during OR-clause processing */ #ifdef SQLITE_ENABLE_STAT4 # define TERM_VNULL 0x0080 /* Manufactured x>NULL or x<=NULL term */ #else # define TERM_VNULL 0x0000 /* Disabled if not using stat4 */ #endif #define TERM_LIKEOPT 0x0100 /* Virtual terms from the LIKE optimization */ #define TERM_LIKECOND 0x0200 /* Conditionally this LIKE operator term */ #define TERM_LIKE 0x0400 /* The original LIKE operator */ #define TERM_IS 0x0800 /* Term.pExpr is an IS operator */ #define TERM_VARSELECT 0x1000 /* Term.pExpr contains a correlated sub-query */ /* ** An instance of the WhereScan object is used as an iterator for locating ** terms in the WHERE clause that are useful to the query planner. */ struct WhereScan { |
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