Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | When extending the size of SrcList objects, do not attempt to use extra space on the end of the allocation, as that provides scarcely any performance benefit but does greatly complicate cross-platform testing. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
3087a0c31e9fbfaedb7cf10a2fda59bc |
User & Date: | drh 2019-02-06 01:18:36.265 |
Context
2019-02-06
| ||
13:41 | Fix a problem preventing testfixture from being built with SQLITE_OMIT_VIRTUALTABLE. (check-in: d2cca36adc user: dan tags: trunk) | |
01:18 | When extending the size of SrcList objects, do not attempt to use extra space on the end of the allocation, as that provides scarcely any performance benefit but does greatly complicate cross-platform testing. (check-in: 3087a0c31e user: drh tags: trunk) | |
00:55 | If the query flattener detects an error, cause the SELECT code generator to abort immediately. (check-in: 3d3b142f10 user: drh tags: trunk) | |
Changes
Changes to src/build.c.
︙ | ︙ | |||
3874 3875 3876 3877 3878 3879 3880 | assert( pSrc!=0 ); assert( iStart<=pSrc->nSrc ); /* Allocate additional space if needed */ if( (u32)pSrc->nSrc+nExtra>pSrc->nAlloc ){ SrcList *pNew; int nAlloc = pSrc->nSrc*2+nExtra; | < < | | 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 | assert( pSrc!=0 ); assert( iStart<=pSrc->nSrc ); /* Allocate additional space if needed */ if( (u32)pSrc->nSrc+nExtra>pSrc->nAlloc ){ SrcList *pNew; int nAlloc = pSrc->nSrc*2+nExtra; sqlite3 *db = pParse->db; if( pSrc->nSrc+nExtra>=SQLITE_MAX_SRCLIST ){ sqlite3ErrorMsg(pParse, "too many FROM clause terms, max: %d", SQLITE_MAX_SRCLIST); return 0; } if( nAlloc>SQLITE_MAX_SRCLIST ) nAlloc = SQLITE_MAX_SRCLIST; pNew = sqlite3DbRealloc(db, pSrc, sizeof(*pSrc) + (nAlloc-1)*sizeof(pSrc->a[0]) ); if( pNew==0 ){ assert( db->mallocFailed ); return 0; } pSrc = pNew; pSrc->nAlloc = nAlloc; } /* Move existing slots that come after the newly inserted slots ** out of the way */ for(i=pSrc->nSrc-1; i>=iStart; i--){ pSrc->a[i+nExtra] = pSrc->a[i]; } |
︙ | ︙ |