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Store the collating sequence name for each column of a table as an

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extension to the column name, for an additional savings in the heap space
needed to hold the schema.

FossilOrigin-Name: 832ac4c1ee384be0de72a4bdd55ed87e0f8294e7df5eefcf6b4942db3d85a69e
This commit is contained in:
drh
2021-08-05 15:27:19 +00:00
parent 324f91a591
commit 65b400931d
11 changed files with 81 additions and 33 deletions
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3
src/insert.c
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@@ -2843,7 +2843,8 @@ static int xferOptimization(
if( pDestCol->affinity!=pSrcCol->affinity ){
return 0; /* Affinity must be the same on all columns */
}
if( sqlite3_stricmp(pDestCol->zCnColl, pSrcCol->zCnColl)!=0 ){
if( sqlite3_stricmp(sqlite3ColumnColl(pDestCol),
sqlite3ColumnColl(pSrcCol))!=0 ){
return 0; /* Collating sequence must be the same on all columns */
}
if( pDestCol->notNull && !pSrcCol->notNull ){