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Address ccvalid/ccnoinherit in TupleDesc support functions.

equalTupleDescs() neglected both of these ConstrCheck fields, andCreateTupleDescCopyConstr() neglected ccnoinherit. At this time, theonly known behavior defect resulting from these omissions is constraintexclusion disregarding a CHECK constraint validated by an ALTER TABLEVALIDATE CONSTRAINT statement issued earlier in the same transaction.Back-patch to 9.2, where these fields were introduced.

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src/backend/access/common
- tupdesc.c

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`‎src/backend/access/common/tupdesc.c‎`

Lines changed: 4 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -204,6 +204,7 @@ CreateTupleDescCopyConstr(TupleDesc tupdesc)`
`204`	`204`	`if (constr->check[i].ccbin)`
`205`	`205`	`cpy->check[i].ccbin=pstrdup(constr->check[i].ccbin);`
`206`	`206`	`cpy->check[i].ccvalid=constr->check[i].ccvalid;`
	`207`	`+cpy->check[i].ccnoinherit=constr->check[i].ccnoinherit;`
`207`	`208`	`}`
`208`	`209`	`}`
`209`	`210`
`@@ -458,7 +459,9 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)`
`458`	`459`	`for (j=0;j<n;check2++,j++)`
`459`	`460`	`{`
`460`	`461`	`if (strcmp(check1->ccname,check2->ccname)==0&&`
`461`		`-strcmp(check1->ccbin,check2->ccbin)==0)`
	`462`	`+strcmp(check1->ccbin,check2->ccbin)==0&&`
	`463`	`+check1->ccvalid==check2->ccvalid&&`
	`464`	`+check1->ccnoinherit==check2->ccnoinherit)`
`462`	`465`	`break;`
`463`	`466`	`}`
`464`	`467`	`if (j >=n)`

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Commitc31305d

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`‎src/backend/access/common/tupdesc.c‎`

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