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Overview
| Comment: | Add testcase() macros to make sure boundary cases in BEFORE UPDATE triggers are well tested. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
27175caa28919fe145d369f27f52346b |
| User & Date: | drh 2009-12-01 22:09:25 |
Context
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2009-12-02
| ||
| 02:49 | Make sure a variable is cleared before use in the where8.test script. check-in: b3436529 user: drh tags: trunk | |
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2009-12-01
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| 22:09 | Add testcase() macros to make sure boundary cases in BEFORE UPDATE triggers are well tested. check-in: 27175caa user: drh tags: trunk | |
| 18:46 | Fix a faulty function prototype in test_intarray.c. check-in: 110956a6 user: drh tags: trunk | |
Changes
Changes to src/update.c.
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int hasFK; /* True if foreign key processing is required */
#ifndef SQLITE_OMIT_TRIGGER
int isView; /* True when updating a view (INSTEAD OF trigger) */
Trigger *pTrigger; /* List of triggers on pTab, if required */
int tmask; /* Mask of TRIGGER_BEFORE|TRIGGER_AFTER */
#endif
int newmask;
/* Register Allocations */
int regRowCount = 0; /* A count of rows changed */
int regOldRowid; /* The old rowid */
int regNewRowid; /* The new rowid */
int regNew;
int regOld = 0;
................................................................................
sqlite3ExprCode(pParse, pChanges->a[j].pExpr, regNew+i);
}else if( 0==(tmask&TRIGGER_BEFORE) || i>31 || (newmask&(1<<i)) ){
/* This branch loads the value of a column that will not be changed
** into a register. This is done if there are no BEFORE triggers, or
** if there are one or more BEFORE triggers that use this value via
** a new.* reference in a trigger program.
*/
sqlite3VdbeAddOp3(v, OP_Column, iCur, i, regNew+i);
sqlite3ColumnDefault(v, pTab, i, regNew+i);
}
}
}
/* Fire any BEFORE UPDATE triggers. This happens before constraints are
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int hasFK; /* True if foreign key processing is required */ #ifndef SQLITE_OMIT_TRIGGER int isView; /* True when updating a view (INSTEAD OF trigger) */ Trigger *pTrigger; /* List of triggers on pTab, if required */ int tmask; /* Mask of TRIGGER_BEFORE|TRIGGER_AFTER */ #endif int newmask; /* Mask of NEW.* columns accessed by BEFORE triggers */ /* Register Allocations */ int regRowCount = 0; /* A count of rows changed */ int regOldRowid; /* The old rowid */ int regNewRowid; /* The new rowid */ int regNew; int regOld = 0; ................................................................................ sqlite3ExprCode(pParse, pChanges->a[j].pExpr, regNew+i); }else if( 0==(tmask&TRIGGER_BEFORE) || i>31 || (newmask&(1<<i)) ){ /* This branch loads the value of a column that will not be changed ** into a register. This is done if there are no BEFORE triggers, or ** if there are one or more BEFORE triggers that use this value via ** a new.* reference in a trigger program. */ testcase( i==31 ); testcase( i==32 ); sqlite3VdbeAddOp3(v, OP_Column, iCur, i, regNew+i); sqlite3ColumnDefault(v, pTab, i, regNew+i); } } } /* Fire any BEFORE UPDATE triggers. This happens before constraints are |