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Restore the legacy behavior of enabling double-quoted string literals in

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all contexts.  But also provide a new compile-time option (SQLITE_DQS) to 
change the default to something more restrictive.

FossilOrigin-Name: 97a94446f3941c313c4c3a19d9f89f24d7ef06e842f79d66f0ad88810b872084
This commit is contained in:
drh
2019-07-02 12:23:09 +00:00
parent 00a6153faf
commit 4b50da9c95
5 changed files with 45 additions and 12 deletions
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29
src/main.c
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@@ -3073,8 +3073,35 @@ static int openDatabase(
db->szMmap = sqlite3GlobalConfig.szMmap;
db->nextPagesize = 0;
db->nMaxSorterMmap = 0x7FFFFFFF;
db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger | SQLITE_CacheSpill
db->flags |= SQLITE_ShortColNames
| SQLITE_EnableTrigger
| SQLITE_CacheSpill
/* The SQLITE_DQS compile-time option determines the default settings
** for SQLITE_DBCONFIG_DQS_DDL and SQLITE_DBCONFIG_DQS_DML.
**
** SQLITE_DQS SQLITE_DBCONFIG_DQS_DDL SQLITE_DBCONFIG_DQS_DML
** ---------- ----------------------- -----------------------
** undefined on on
** 3 on on
** 2 on off
** 1 off on
** 0 off off
**
** Legacy behavior is 3 (double-quoted string literals are allowed anywhere)
** and so that is the default. But developers are encouranged to use
** -DSQLITE_DQS=0 (best) or -DSQLITE_DQS=1 (second choice) if possible.
*/
#if !defined(SQLITE_DQS)
# define SQLITE_DQS 3
#endif
#if (SQLITE_DQS&1)==1
| SQLITE_DqsDML
#endif
#if (SQLITE_DQS&2)==2
| SQLITE_DqsDDL
#endif
#if !defined(SQLITE_DEFAULT_AUTOMATIC_INDEX) || SQLITE_DEFAULT_AUTOMATIC_INDEX
| SQLITE_AutoIndex
#endif