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Allow the SQLITE_MAX_ATTACHED compile-time option to be larger than 62. The

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default limit on the number of attached databases remains 10.

FossilOrigin-Name: 1a817ae2f35fa0396148dda2782cd4f919bf5c6f
This commit is contained in:
drh
2014-07-21 15:44:39 +00:00
parent 857745c089
commit a7ab6d8165
7 changed files with 72 additions and 49 deletions
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15
src/sqliteInt.h
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@@ -2392,9 +2392,19 @@ struct TriggerPrg {
** The yDbMask datatype for the bitmask of all attached databases.
*/
#if SQLITE_MAX_ATTACHED>30
typedef sqlite3_uint64 yDbMask;
typedef unsigned char yDbMask[(SQLITE_MAX_ATTACHED+9)/8];
# define DbMaskTest(M,I) (((M)[(I)/8]&(1<<((I)&7)))!=0)
# define DbMaskZero(M) memset((M),0,sizeof(M))
# define DbMaskSet(M,I) (M)[(I)/8]|=(1<<((I)&7))
# define DbMaskAllZero(M) sqlite3DbMaskAllZero(M)
# define DbMaskNonZero(M) (sqlite3DbMaskAllZero(M)==0)
#else
typedef unsigned int yDbMask;
# define DbMaskTest(M,I) (((M)&(((yDbMask)1)<<(I)))!=0)
# define DbMaskZero(M) (M)=0
# define DbMaskSet(M,I) (M)|=(((yDbMask)1)<<(I))
# define DbMaskAllZero(M) (M)==0
# define DbMaskNonZero(M) (M)!=0
#endif
/*
@@ -3067,6 +3077,9 @@ void sqlite3CreateView(Parse*,Token*,Token*,Token*,Select*,int,int);
# define sqlite3ViewGetColumnNames(A,B) 0
#endif
#if SQLITE_MAX_ATTACHED>30
int sqlite3DbMaskAllZero(yDbMask);
#endif
void sqlite3DropTable(Parse*, SrcList*, int, int);
void sqlite3CodeDropTable(Parse*, Table*, int, int);
void sqlite3DeleteTable(sqlite3*, Table*);