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Check in implementation of foreign key constraints.

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FossilOrigin-Name: d5d399811876391642937edeb9e8434dd9e356f5
This commit is contained in:
dan
2009-09-19 17:00:31 +00:00
parent 3991bb0dee
commit 1da40a381f
27 changed files with 1698 additions and 182 deletions
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14
src/pragma.c
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@@ -191,6 +191,9 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){
** flag if there are any active statements. */
{ "read_uncommitted", SQLITE_ReadUncommitted },
{ "recursive_triggers", SQLITE_RecTriggers },
/* TODO: Prevent this flag from being set if not in auto-commit mode? */
{ "foreign_keys", SQLITE_ForeignKeys },
};
int i;
const struct sPragmaType *p;
@@ -231,11 +234,12 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){
static const char *actionName(u8 action){
const char *zName;
switch( action ){
case OE_SetNull: zName = "SET NULL"; break;
case OE_SetDflt: zName = "SET DEFAULT"; break;
case OE_Cascade: zName = "CASCADE"; break;
default: zName = "RESTRICT";
assert( action==OE_Restrict ); break;
case OE_SetNull: zName = "SET NULL"; break;
case OE_SetDflt: zName = "SET DEFAULT"; break;
case OE_Cascade: zName = "CASCADE"; break;
case OE_Restrict: zName = "RESTRICT"; break;
default: zName = "NO ACTION";
assert( action==OE_None ); break;
}
return zName;
}