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Overview
| Comment: | Simplify the computation of types on columns of a view. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
772b0db1469c9e1c2728cf65dd070e29 |
| User & Date: | drh 2017-10-03 19:53:12 |
Context
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2017-10-04
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| 02:30 | Fix a minor typo in the query flattener header comment. No code changes. (check-in: d050dc60 user: drh tags: trunk) | |
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2017-10-03
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| 19:53 | Simplify the computation of types on columns of a view. (check-in: 772b0db1 user: drh tags: trunk) | |
| 18:35 | Do not enable SELECT tracing with -DSQLITE_DEBUG. Require the -DSQLITE_ENABLE_SELECTTRACE compile-time option to enable SELECT tracing. (check-in: f5c39583 user: drh tags: trunk) | |
Changes
Changes to src/select.c.
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for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
const char *zType;
int n, m;
p = a[i].pExpr;
zType = columnType(&sNC, p, 0, 0, 0);
/* pCol->szEst = ... // Column size est for SELECT tables never used */
pCol->affinity = sqlite3ExprAffinity(p);
if( zType && (m = sqlite3Strlen30(zType))>0 ){
n = sqlite3Strlen30(pCol->zName);
pCol->zName = sqlite3DbReallocOrFree(db, pCol->zName, n+m+2);
if( pCol->zName ){
memcpy(&pCol->zName[n+1], zType, m+1);
pCol->colFlags |= COLFLAG_HASTYPE;
}
}
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> | |
1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 |
for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
const char *zType;
int n, m;
p = a[i].pExpr;
zType = columnType(&sNC, p, 0, 0, 0);
/* pCol->szEst = ... // Column size est for SELECT tables never used */
pCol->affinity = sqlite3ExprAffinity(p);
if( zType ){
m = sqlite3Strlen30(zType);
n = sqlite3Strlen30(pCol->zName);
pCol->zName = sqlite3DbReallocOrFree(db, pCol->zName, n+m+2);
if( pCol->zName ){
memcpy(&pCol->zName[n+1], zType, m+1);
pCol->colFlags |= COLFLAG_HASTYPE;
}
}
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